Top Kotlin Developers
Kotlin has become the preferred language for Android development and is rapidly expanding into backend services and multiplatform applications. Its concise syntax, null safety, and full interoperability with Java make it a practical choice for teams modernizing existing codebases or building new products from scratch.
Kotlin developers on Clutch are vetted through a verified review process, so you can compare firms based on real client outcomes — not just self-reported credentials. These companies build native Android applications, server-side systems using Ktor or Spring Boot, and cross-platform solutions with Kotlin Multiplatform (KMP). Related directories: Android app development companies, mobile app development companies, and the full Kotlin developers directory.
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$5,000+< $25 / hr10 - 49Ahmedabad, India
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See all 29 projectsNIVIDATA CONSULTANCY is a bespoke software development firm that specializes in custom software creation, tailored to meet diverse client needs with a focus on software engineering and full-stack software development. The company consistently receives positive feedback, with over 90% of reviewers praising their proactive communication, flexibility, and high-quality deliverables, while no significant areas for improvement were noted.
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UndisclosedUndisclosed250 - 999New York, NY
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See all 15 projectsOxagile is a distinguished company specializing in Custom Software Development, providing tailored and end-to-end software engineering services. Reviews indicate a high level of customer satisfaction, with approximately 90% of feedback being positive. Clients frequently commend their budget-friendly pricing, skilled engineering talent, and responsive project management, highlighting their ability to deliver quality results on time and within budget.
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$10,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 30 projectsIMG Global Infotech Pvt. Ltd specializes in custom software development, providing tailored software development services for web and mobile applications, as well as backend infrastructure. Positive feedback from clients highlights their exceptional project management, cost-effectiveness, and collaborative approach, with over 90% of reviewers impressed by their flexibility and responsiveness. Clients consistently report satisfaction with their communication and timely delivery of projects.
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$10,000+$25 - $49 / hr10 - 49Los Angeles, CA
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See all 22 projectsCloudFlex is a custom software development company specializing in tailored and end-to-end software solutions. Based on their reviews, CloudFlex is commended for its expertise in AI and full-stack development, consistently receiving positive feedback about their professionalism and adaptability, with a 100% satisfaction rate. Their ability to deliver high-quality, solution-oriented results on time is frequently highlighted by clients.
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$25,000+$50 - $99 / hr50 - 249St. Petersburg, FL
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See all 5 projectsHeyInnovations specializes in Custom App Development and Tailored Software Solutions, delivering comprehensive services from concept to deployment. Their clients commend their professionalism, timely delivery, and attention to detail, which have led to significant business growth. HeyInnovations is recognized for their proactive approach and ability to suggest innovative strategies beyond the immediate project scope.
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UndisclosedUndisclosed50 - 249Da Nang, Vietnam
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See all 5 projectsSupremeTech Co., Ltd. is a custom software development company known for its tailored, end-to-end software development services. Client reviews highlight their impressive project management, with 100% satisfaction reported in timely delivery and communication. Notably, 75% of reviewers commend their proactive approach in challenging assumptions and proposing improvements. The company excels in aligning with client values and providing value for cost.
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$50,000+$100 - $149 / hr50 - 249Iași, Romania
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See all 6 projectsThinslices Development is a bespoke software development company specializing in end-to-end software engineering solutions. The reviews highlight their strong project management, responsiveness, and ability to deliver on time and within budget. Approximately 100% of reviewers commend their communication skills and strategic insights, with a notable emphasis on their alignment with client values and high-quality results.
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$10,000+Undisclosed250 - 999Hampshire, England
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See all 66 projectsCommunication Crafts is a bespoke software development company highly regarded for its custom software creation and full-stack development services. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their project management skills, timely delivery, and effective communication. Clients frequently highlight their ability to provide tailored solutions and value for money, making them a reliable choice for end-to-end software development projects.
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$10,000+$25 - $49 / hr50 - 249Coral Springs, FL
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See all 37 projectsAgile Infoways LLC is a custom software development company specializing in tailored software development, full-stack software development, and bespoke software creation. Reviews reveal a 100% satisfaction rate, highlighting their professionalism, timely delivery, and excellent communication. Clients commend their project management skills, with 80% mentioning their ability to meet deadlines and adapt to specific client needs.
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$10,000+$50 - $99 / hr50 - 249San José, Costa Rica
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See all 13 projectsDNAMIC | Databricks Data Solutions is a Custom Software Development company specializing in tailored software creation and software engineering. Reviewers consistently highlight the company's excellent project management, responsiveness, and seamless communication, with 100% of feedback being positive. Many clients (over 80%) commend DNAMIC for their culture fit and alignment with company values, while 60% appreciate their proactive approach and innovation during projects.
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$10,000+$25 - $49 / hr50 - 249Zagreb, Croatia
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See all 15 projectsPontis Technology d.o.o. is a bespoke software development company highly praised for its commitment to custom software creation and its ability to align with client values. Approximately 100% of reviewers highlight their impressive project management and professional delivery, emphasizing their expertise in enhancing user value and communication systems. Clients appreciate their flexibility and passion, often noting them as excellent partners for tailored software development projects.
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$25,000+$50 - $99 / hr50 - 249London, England
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See all 17 projectsApplifting is a custom software development company known for providing tailored software solutions and end-to-end software development services. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their project management, timely delivery, and cultural alignment. A notable 70% of reviewers highlight their creativity and efficiency in delivering bespoke software development projects. Applifting's dedication to quality and partnership is frequently mentioned, making them a highly recommended choice for software engineering needs.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 33 projectsiRonin.IT is a custom software development company that excels in tailored and full-stack software engineering services. Across multiple reviews, clients commend their technical expertise, efficiency, and seamless project management, with a 100% satisfaction rate regarding timeliness and delivery. Approximately 85% of reviewers highlight their proficiency in achieving project milestones and 70% praise their communication and flexibility.
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$10,000+$50 - $99 / hr2 - 9Warszawa, Poland
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See all 2 projectsKosmosKod specializes in Custom Software Development, focusing on bespoke and tailored software solutions. With a 100% positive feedback rate, clients commend their professional project management and close communication, particularly emphasizing the value of their small team size for direct developer interaction. However, their limited capacity can hinder accessibility for new projects.
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$10,000+$25 - $49 / hr10 - 49Tallinn, Estonia
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See all 17 projectsDeviark is a custom software development company specializing in tailored software solutions and full-stack software development. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their communication skills, project management, and timely delivery. Deviark's ability to provide valuable improvements beyond the scope of work is frequently highlighted by clients.
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$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 35 projectsEscola, a company specializing in Custom Software Creation and Full Stack Software Development, has received overwhelmingly positive feedback from clients, with approximately 90% of reviews highlighting their expertise and professionalism. Clients commend their efficient project management, timely delivery, and deep understanding of complex integrations and business goals, leading to successful, high-quality solutions tailored to specific needs.
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$10,000+$50 - $99 / hr50 - 249London, England
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See all 11 projectsLimeup is a UX/UI design company that specializes in creating intuitive and user-friendly digital platforms and applications. Reviewers consistently praise Limeup for their professionalism and methodical approach, noting their ability to understand client needs and deliver on promises with strong communication and transparency. Approximately 100% of the reviews highlight Limeup's expertise in simplifying complex user flows, while some suggest that project costs could be lower.
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$5,000+$25 - $49 / hr10 - 49Bengaluru, India
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See all 10 projectsTailwebs Technology Pvt Ltd. is a custom software development firm known for its bespoke software creation and full-stack software development services. The company excels in delivering projects on time, with 100% of reviewers praising their commitment and effective communication. Clients appreciate the company's culture fit and alignment with their values, though some suggest the organization should scale to accommodate more projects.
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$10,000+$100 - $149 / hr10 - 49Częstochowa, Poland
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See all 16 projectsBrival, a bespoke software development company, consistently delivers comprehensive software engineering solutions across various domains, including mobile app development and web platforms. With 100% positive feedback from clients, Brival is praised for its project management, adherence to timelines, and client-focused approach. Approximately 80% of reviewers commend Brival's ability to efficiently manage project scopes and deliver tailored software development solutions on budget.
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 20 projectsIntent Solutions is a custom software development company specializing in tailored software creation and full-stack development. The reviews are overwhelmingly positive, with over 90% highlighting their excellent project management, technical expertise, and ability to deliver scalable solutions tailored to client needs. Clients commend their responsiveness and commitment to delivering value, making them a reliable partner for bespoke software development projects.
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$1,000+$50 - $99 / hr2 - 9Orem, UT
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See all 11 projectsBusy Human is a Custom Software Development firm specializing in bespoke software creation and end-to-end software development. With 100% positive feedback, clients highlight their effective communication, timely delivery, and ease of collaboration. The company excels in turning complex requirements into functional web and mobile applications, significantly enhancing business operations for diverse industries.
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$10,000+$50 - $99 / hr250 - 999Medellín, Colombia
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See all 10 projectsCeiba Software is a Custom Software Development company specializing in tailored software solutions and agile methodologies. Clients consistently praise their cultural fit, transparency, and effective project management. Approximately 90% of reviews highlight their flexibility and ability to work as a seamless part of the client's team, contributing to successful project outcomes and client satisfaction.
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$10,000+$100 - $149 / hr10 - 49
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See all 6 projectsAugmented is a software development company specializing in bespoke software development and custom software creation. Across their reviews, clients consistently praise their project management skills, communication, and ability to deliver high-quality, tailored solutions. Notably, 100% of reviewers highlight their impressive problem-solving capabilities and dedication, with no negative feedback reported. Overall, Augmented is recognized for their innovative approach and commitment to exceeding client expectations.
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$50,000+$50 - $99 / hr10 - 49Wrocław, Poland
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See all 2 projectsMe & My Friends is a professional software development company known for creating mobile applications and digital platforms. Their clients highlight the team's impressive project management skills, timely delivery, and excellent communication. Approximately 90% of the feedback is positive, with clients praising their innovative solutions and user-friendly designs. The firm has demonstrated success across diverse industries, from restaurant loyalty apps to football law applications.
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$1,000+$100 - $149 / hr2 - 9Painesville, OH
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See all 2 projectsSoftware Prophets is a bespoke software development company known for its expertise in modernizing outdated technology systems with custom software creation. Reviews highlight a 100% positive feedback rate, praising their dedication, industry knowledge, and the ability to mentor and improve internal teams.
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$10,000+Undisclosed10 - 49Poznań, Poland
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See all 7 projectsAppTailors is a bespoke software development company specializing in custom software creation and end-to-end software development services. The reviews highlight their effective project management and transparent communication, with 100% of clients appreciating these attributes. While there was initial feedback on slow design work, it was promptly addressed. Their ability to deliver timely solutions, as noted by 100% of reviewers, underscores their reliability and professionalism.
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$10,000+$50 - $99 / hr50 - 249Los Angeles, CA
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See all 46 projectsDevTeamSpace is a bespoke software development company specializing in end-to-end software engineering solutions. Their services receive overwhelmingly positive feedback, with approximately 90% of reviews highlighting their adaptability, high responsiveness, and strong project management. Clients frequently commend them for their innovative approaches and ability to align with client goals, although some mention minor delays in feature release timing.
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$10,000+$50 - $99 / hr10 - 49دبي, United Arab Emirates
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See all 19 projectsGameIN is a custom software development company specializing in bespoke software creation, including full stack and end-to-end software development services. Their reviews indicate high client satisfaction, with 100% positive feedback focusing on their ability to deliver tailored solutions on time and their strong project management skills. Notably, 80% of reviewers highlight the company’s alignment with client values and needs.
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$50,000+$100 - $149 / hr50 - 249München, Germany
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See all 10 projectsCOBE is a company specializing in bespoke software development, offering full-stack and end-to-end solutions. Clients consistently highlight their high-quality work, responsiveness, and effective project management. Approximately 90% of reviewers praise their ability to meet deadlines, adapt to technology needs, and deliver customer-focused solutions. While they are highly recommended, some note challenges in scaling their team quickly.
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$5,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 13 projectsInnvonix Tech Solutions Private Limited is a reputable company specializing in full stack software development, including custom ERP systems and eCommerce solutions. The company consistently receives positive feedback, with nearly 100% of clients praising their project management, efficiency, and ability to deliver tailored software on time. Clients particularly commend their responsive support and the ability to translate complex requirements into user-friendly solutions.
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$5,000+$25 - $49 / hr10 - 49Hermosillo, Mexico
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See all 21 projectsINOWU is a Custom Software Development company specializing in tailored software solutions and end-to-end software development. Their reviews indicate a 100% positive feedback rate, highlighting their exceptional project management, timely delivery, and ability to enhance client projects. Clients commend their effective communication and proactive approach, with 67% specifically praising their innovative solutions and team talent.
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$10,000+$150 - $199 / hr10 - 49Santa Monica, CA
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See all 20 projectsFullsend Solutions Inc. is a custom software development company specializing in bespoke software creation and full-stack software development. Overall, 100% of reviewers praised their ability to deliver projects on time and within budget. Clients frequently noted their exceptional project management, with approximately 80% highlighting the team's flexibility, responsiveness, and strong cultural fit.
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$5,000+< $25 / hr250 - 999London, England
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See all 11 projectsCoders.Dev is a bespoke software development company specializing in custom software creation and tailored software development solutions. Across reviews, clients highly praise their project management, effective communication, and problem-solving capabilities. Approximately 100% of reviewers express satisfaction, noting the company's alignment with client values and budget. Their commitment to delivering high-quality and timely solutions is consistently recognized by clients.
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$5,000+$25 - $49 / hr10 - 49Toronto, Canada
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See all 8 projectsCanadian Software Agency Inc specializes in custom software creation and end-to-end software development. Across their reviews, clients consistently praise their attention to detail, technical expertise, and commitment to delivering tailored solutions. With 100% positive feedback, clients highlight their professionalism, timely delivery, and effective project management, with no areas for improvement noted. Their services enhance communication, collaboration, and customer satisfaction.
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$5,000+$25 - $49 / hr2 - 9
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See all 12 projectsAppy Days is a highly-regarded firm specializing in Custom Software Creation and app design and development. With 100% satisfaction across reviews, clients frequently commend their effective project management, timely delivery, and robust communication skills. Appy Days' pricing and team efficiency are also highlighted as providing excellent value, with 100% of reviewers noting their satisfaction with these aspects.
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$25,000+$100 - $149 / hr10 - 49Rezzato, Italy
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See all 4 projectsDuckMa is a bespoke software development company specializing in custom software creation and end-to-end software development solutions. Overall feedback is highly positive, with clients appreciating their effective project management and unique methodology, which enhances communication and minimizes errors. Approximately 90% of reviews highlight their organizational skills and alignment with client needs.
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$50,000+$50 - $99 / hr50 - 249London, England
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See all 18 projectsMad Devs is a bespoke software development company specializing in end-to-end software engineering solutions, particularly in the decentralized finance and blockchain sectors. Over 90% of reviews highlight their exceptional project management and technical expertise, with clients praising their proactive communication, resourcefulness in complex scenarios, and the ability to deliver high-quality results consistently.
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$100,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 29 projectsStepwise is a custom software development company specializing in tailored software development and end-to-end software engineering. The company consistently receives positive feedback, with clients praising its technical expertise, professional project management, and effective communication. Around 90% of reviewers highlight their seamless integration and ability to deliver innovative solutions, while some suggest a need for slight improvements in speed and functional understanding.
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$10,000+$25 - $49 / hr10 - 49Poznań, Poland
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See all 25 projectsVAO is a custom software development company excelling in full stack and bespoke software development, as evidenced by their ability to create tailored solutions for diverse industries. Reviews highlight a 95% satisfaction rate, with clients praising their technical expertise and project management skills, despite occasional communication delays. Approximately 80% of reviewers commend VAO for delivering on time and within budget.
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$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 12 projectsHoulak is a custom software development company specializing in tailored software development and end-to-end software engineering. Reviewers have praised their technical proficiency and collaborative nature, with 100% expressing satisfaction with their skills and delivery timelines. Clients appreciate Houlak's responsiveness and value, although some note their services can be relatively pricey.
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$25,000+$50 - $99 / hr10 - 49Nova Vodolaha, Ukraine
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See all 27 projects7Devs is a tailored software development company specializing in custom software creation for diverse industries. Client feedback highlights their excellent project management skills and technical expertise, with 100% of reviews praising their flexibility and responsiveness. Despite some minor delivery speed issues, 7Devs consistently delivers high-quality, scalable solutions, earning positive feedback for their proactive ownership and strategic consulting in end-to-end software development projects.
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$1,000+< $25 / hr10 - 49Rajkot, India
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See all 12 projectsINFIBRAIN TECHNOLOGIES LLP offers bespoke software development and custom app development services, delivering tailored software solutions with professionalism. The company is praised for its effective project management, timely delivery, and strong communication skills, making them a reliable partner for custom software development needs. The positive feedback highlights their commitment to value and client satisfaction.
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$10,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 10 projectsN7 Mobile is a bespoke software development company known for its expertise in custom software creation and end-to-end software development solutions. Across reviews, clients consistently praised their clear communication, reliability, and agile project management. Notably, 100% of reviewers highlighted their ability to meet complex project requirements while exceeding expectations through innovative and tailored software engineering solutions.
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$10,000+$25 - $49 / hr10 - 49
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See all 26 projectsProArea is a versatile software development company specializing in mobile and web development, UI/UX design, and integration solutions. Across various projects, clients praised ProArea for technical expertise, effective communication, and commitment to project timelines, with approximately 90% of reviews highlighting their professionalism and collaboration. Additionally, clients appreciated ProArea's ability to align with company values and maintain a proactive approach, although some suggested improvements in strategic market guidance and quicker allocation changes.
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$1,000+< $25 / hr10 - 49Pelham, NH
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See all 10 projectsOnDemandStartups (AiForMVP) is a custom software development company specializing in tailored software solutions, including digital ecosystems and mobile app development. Reviews highlight their high-quality code and efficient project execution, with over 90% positive feedback. Clients value their technical expertise, commitment to deadlines, and responsive communication, resulting in increased efficiency and rapid time-to-market for projects.
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$25,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 8 projectsAppentus is a versatile app and web development company known for delivering high-quality projects in a timely manner. The company excels in technical support and project management, with 100% of reviewers noting their professionalism and effective communication. However, 20% mention minor issues with communication and progress sharing. Overall, Appentus is highly recommended for their proactive approach and commitment to client satisfaction.
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$50,000+$150 - $199 / hr10 - 49Hamburg, Germany
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See all 2 projectsSpaceteams GmbH is a bespoke software development company renowned for its tailored software solutions, excelling in managed and end-to-end software development. With 100% positive feedback, clients highlight their professionalism, rapid understanding of complex challenges, and ability to deliver scalable solutions efficiently. Approximately 90% of reviewers emphasize their commendable communication and project management skills.
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$5,000+$25 - $49 / hr50 - 249
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See all 7 projectsOrbixCode is a custom software creation company specializing in web application development, with expertise in using technologies such as Node.js, React, and PHP. Feedback from clients is overwhelmingly positive, highlighting their responsibility, innovation, and effective project management. Approximately 100% of reviewers commend OrbixCode for delivering projects on time and meeting client requirements meticulously.
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$10,000+$25 - $49 / hr10 - 49St. Petersburg, FL
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See all 2 projectsCyfrania is a custom software development company specializing in tailored and full-stack software development solutions. The company has received 100% positive feedback, with clients praising their professionalism, responsiveness, and proactive approach to improving applications. Cyfrania's ability to adapt to clients' budgets and address complex challenges efficiently is frequently highlighted.
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$50,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 2 projectsHuskyJam is a web development company renowned for its efficiency and experience, providing services that include building promotional websites under tight deadlines. Feedback is overwhelmingly positive, with 100% of reviewers highlighting their effective communication and swift project management, contributing to successful KPI achievements.
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List of the Top 15 Kotlin Development Services
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$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
35% Custom Software Development25% Kotlin5% Web Development40% Mobile App Development20% Other -
$10,000+$50 - $99 / hr50 - 249Brno, Czech Republic
Ability to deliver
38.7/40.019.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
15% Web Development75% Mobile App Development10% Other -
$25,000+$25 - $49 / hr250 - 999Warszawa, Poland
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Custom Software Development20% Kotlin10% Web Development20% Mobile App Development30% Other -
$10,000+$25 - $49 / hr50 - 249Limassol, Cyprus
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Custom Software Development30% Kotlin50% Mobile App Development10% Other -
$75,000+$50 - $99 / hr50 - 249Wrocław, Poland
Ability to deliver
38.4/40.018.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Custom Software Development40% Kotlin80% Mobile App Development10% Other -
$25,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
39.6/40.019.6/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development40% Mobile App Development20% Other -
$10,000+$25 - $49 / hr50 - 249Khmel'nyts'kyi, Ukraine
Ability to deliver
36.9/40.017/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
30% Custom Software Development50% Kotlin40% Mobile App Development30% Other -
$25,000+$50 - $99 / hr50 - 249Hollywood, FL
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
10% Custom Software Development30% Kotlin10% Web Development60% Mobile App Development20% Other -
$25,000+$50 - $99 / hr50 - 249Wrocław, Poland
Ability to deliver
36.7/40.017/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Custom Software Development50% Kotlin45% Mobile App Development10% AR/VR Development25% Other -
$100,000+$50 - $99 / hr250 - 999San Francisco, CA
Ability to deliver
37.8/40.017.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Web Development20% Mobile App Development70% Other -
$25,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
37.6/40.018/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
50% Custom Software Development40% Kotlin50% Mobile App Development -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
38.9/40.019.4/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
35% Web Development35% Mobile App Development30% Other -
$25,000+$50 - $99 / hr50 - 249Karlín, Czech Republic
Ability to deliver
38.2/40.018.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
30% Web Development60% Mobile App Development10% Other -
$10,000+< $25 / hr50 - 249New Delhi, India
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
25% Custom Software Development23% Kotlin15% Web Development25% Mobile App Development35% Other -
$5,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development60% Mobile App Development30% Other -
$25,000+$25 - $49 / hr250 - 999Lakeville, MN
Ability to deliver
36.6/40.016.8/20 Reviews9.9/10 Clients & Experience9.9/10 Market PresenceService focus
15% Custom Software Development30% Kotlin10% Web Development10% Mobile App Development15% Enterprise App Modernization50% Other -
$50,000+$100 - $149 / hr50 - 249Los Angeles, CA
Ability to deliver
36/40.016.4/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Custom Software Development55% Kotlin40% Mobile App Development30% AR/VR Development10% Other -
$25,000+$100 - $149 / hr10 - 49Montréal, Canada
Ability to deliver
36.9/40.017.4/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Custom Software Development50% Kotlin20% Web Development40% Mobile App Development20% Other -
$5,000+$25 - $49 / hr50 - 249Cluj-Napoca, Romania
Ability to deliver
39/40.019.4/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development50% Mobile App Development30% Other -
$10,000+$50 - $99 / hr50 - 249Cluj-Napoca, Romania
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
45% Web Development45% Mobile App Development10% Other -
$25,000+$25 - $49 / hr50 - 249Vinnytsia, Ukraine
Ability to deliver
38.2/40.018.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
30% Web Development70% Mobile App Development -
$25,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Custom Software Development20% Kotlin20% Mobile App Development10% Application Management & Support20% Enterprise App Modernization30% Other -
$50,000+$150 - $199 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Custom Software Development10% Kotlin20% Web Development20% Mobile App Development40% Other -
$5,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
38.9/40.020/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
60% Custom Software Development15% Kotlin40% Other -
$25,000+$25 - $49 / hr50 - 249Agoura Hills, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% Custom Software Development15% Kotlin50% Mobile App Development20% Enterprise App Modernization20% Other -
$50,000+$50 - $99 / hr250 - 999Tallinn, Estonia
Ability to deliver
38.9/40.020/20 Reviews9.1/10 Clients & Experience9.8/10 Market PresenceService focus
70% Custom Software Development15% Kotlin10% Mobile App Development20% Other -
$5,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Custom Software Development30% Kotlin10% Web Development60% Mobile App Development20% Other -
$10,000+$50 - $99 / hr50 - 249Denver, CO
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Custom Software Development15% Kotlin10% Web Development50% Mobile App Development30% Other -
$50,000+$25 - $49 / hr250 - 999Schaumburg, IL
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Custom Software Development11% Kotlin10% Mobile App Development60% Other -
$25,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
15% Custom Software Development15% Kotlin80% Mobile App Development5% Other
Latest Kotlin Articles
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UI Specifications: How to Create a UI Spec Document
A UI specifications document defines how every screen in your product looks, behaves, and responds to user input. Here's how to write one that developers...
Kotlin Development FAQs
Clutch features companies that build modern Android and cross-platform applications using the Kotlin programming language quarterly based on a proprietary methodology. The top Kotlin development companies for 2026 include:
Kotlin developers write applications using JetBrains' Kotlin programming language. On the Android side, they build native mobile applications using Jetpack Compose, Android SDK APIs, and modern architecture patterns like MVVM or MVI.
On the backend, Kotlin developers build server-side APIs and microservices using Ktor or Spring Boot. Furthermore, an emerging specialty is Kotlin Multiplatform (KMP), where developers write shared business logic that compiles to both Android and iOS.
Clutch’s verified pricing data shows that a focused Android app build typically ranges from $25,000 – $150,000, depending on factors like its complexity, features, and backend requirements.
Meanwhile, hourly rates for Kotlin development firms range from $25 – $149 per hour, with firms in Eastern Europe and Latin America often on the lower end and North American or Western European firms on the higher end.
Dedicated Kotlin shops maintain deeper expertise than generalist firms that work across many languages. They stay current with JetBrains' release cycle, know which libraries are production-stable versus experimental, and have established patterns for common challenges like coroutine exception handling or Compose state management. This depth typically translates to faster delivery, cleaner architecture, and lower long-term maintenance costs.
Start by outlining your project’s specific requirements and assessing their technical fit; confirm the firm has production Kotlin experience rather than Java teams that have adopted Kotlin syntax superficially.
Then, ask to see Kotlin-specific code samples or open-source contributions, and inquire about their familiarity with Kotlin coroutines, Flow, and Kotlin Multiplatform if relevant. Take a moment to thoroughly review their Clutch profiles and client ratings for projects similar to yours in complexity and industry.
Be cautious of firms that list Kotlin as a skill but whose case studies reference only Java or legacy Android development. Other red flags to watch out for include no mention of testing practices, an inability to discuss architectural patterns like Clean Architecture or MVI, and vague answers about how they handle Kotlin version migrations and library compatibility.