Top Kotlin Developers in the United States
Kotlin has become the go-to language for modern Android apps, JVM back ends, and multiplatform projects. From Silicon Valley product studios to boutique dev shops in Austin and New York, U.S. teams are pushing the limits of what Kotlin can do.
On Clutch, every provider is ranked using client interviews, detailed case studies, and our proprietary verification process, so you can quickly shortlist partners you trust. Use the filters to narrow by hourly rate, project size, industry focus, or city, then dive into each profile to see code samples and real-world results.
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• Kotlin Developers in New York
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$1,000+$50 - $99 / hr50 - 249San Jose, CA
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See all 7 projectsGummicube, Inc. is a specialized app store optimization (ASO) company offering services such as metadata optimization, keyword research, and app store imagery design. Reviewers consistently highlight their professionalism, organization, and effectiveness, with approximately 90% of feedback being positive. Clients often commend Gummicube, Inc. for their data-driven approach and expert communication, though some note that services can be costly.
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$50,000+$200 - $300 / hr10 - 49San Francisco, CA
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See all 32 projectsImpekable is a distinguished Custom Software Development company known for delivering tailored software solutions, including telephony features, SDKs, and full-stack development, often leveraging Twilio's API. Reviews indicate a strong emphasis on project management, timely delivery, and customer collaboration, with over 90% of clients praising Impekable's competence and responsiveness. However, some suggest room for improvement in industry-specific knowledge and communication models.
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$5,000+$50 - $99 / hr2 - 9St. Louis, MO
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See all 6 projectsDigital Radium is a custom software development company known for its expertise in tailored software development and bespoke software solutions. The overall feedback is overwhelmingly positive, with clients praising their professional service, flexibility, and ability to exceed expectations. Approximately 100% of the reviews highlight their effective communication and timely delivery, making them a reliable choice for software engineering needs.
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$25,000+$50 - $99 / hr10 - 49New York, NY
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See all 9 projectsBlueprint: Hire Devs is a Custom Software Creation company that excels in innovative and bespoke software development, particularly in transforming complex, novel concepts into reality. With 100% positive feedback, clients commend their technical creativity, excellent communication, and ability to deliver projects within budget and time constraints. Approximately 80% of reviewers highlight their inventive problem-solving skills and effective communication.
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$10,000+$50 - $99 / hr10 - 49Clarkston, WA
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See all 2 projectsIntegrated IT Solutions is a bespoke software development company excelling in full stack and end-to-end software development services. They have consistently delivered quality solutions, resulting in a 40% user engagement increase and 99% system uptime. Reviews highlight their professionalism, coding quality, and effective project management, with 100% positive feedback and no areas identified for improvement.
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$100,000+Undisclosed10 - 49West Palm Beach, FL
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See all 4 projectsTapforce is a Custom Software Development company specializing in tailored and full-stack software development, demonstrating expertise in iOS, Android, and web app creation. They receive overwhelmingly positive feedback, with 100% of clients praising their reliability, proactive communication, and ability to exceed expectations. Notably, 75% of reviewers highlight their exceptional project management and client-centric approach.
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$1,000+$150 - $199 / hr2 - 9Phoenix, AZ
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See all 14 projectsAvenue 25, a company specializing in Custom Software Creation and SEO, supports businesses with website development and maintenance, enhancing backend functionality and boosting search rankings. The feedback is overwhelmingly positive, highlighting their thoroughness, project management, and productivity, with no areas for improvement noted by clients. This client-centric approach has resulted in significant improvements in lead quality and sales.
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$5,000+$50 - $99 / hr250 - 999Naperville, IL
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See all 8 projectsBlitz Mobile Apps offers bespoke software development, tailored software solutions, and custom app development. Overall feedback highlights their timely project completion, budget-friendly pricing, and strong alignment with client values. Clients praise their hardworking and smart-thinking team, ensuring successful project outcomes.
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$5,000+$50 - $99 / hr10 - 49Herriman, UT
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Lambdo is a custom software development firm. Their small team of employees is headquartered in Herriman, Utah. Their team focuses on Custom Software Development and Web Development.
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$10,000+$50 - $99 / hr10 - 49New York, NY
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See all 12 projectsScalability is a Custom Software Creation company specializing in bespoke and full-stack software development solutions. They have received overwhelmingly positive feedback, with 100% of reviews highlighting their proactive communication and efficiency. Their expertise in CRM setup and backend development has significantly improved operational frameworks for clients, showcasing their managed software development capabilities.
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$5,000+$50 - $99 / hr10 - 49Queens, NY
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See all 2 projectsHorizon Plus, a Custom Software Development company, excels in delivering tailored software solutions with an emphasis on strategic thinking and technical execution. Garnering 100% positive feedback, clients commend their ability to understand business models and build scalable platforms. Approximately 95% of reviewers highlight their proactive communication and commitment to delivering superior user experiences.
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$25,000+$25 - $49 / hr50 - 249Alexandria, VA
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See all 55 projectsPlavno is a comprehensive software development company specializing in tailored software development, end-to-end software development, and bespoke software creation. Their clients consistently praise their technical expertise, particularly in AI and full stack software development, alongside their strong project management skills and responsive communication. Over 90% of reviews highlight their efficiency and reliability in delivering high-quality, custom solutions on time and within budget.
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$5,000+$25 - $49 / hr10 - 49Wilmington, DE
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See all 2 projectsDid you know that 68% of MVPs fail within months of launch? According to IssueWire, most teams are not focused on building a single service in MVP. Budgets blow up. Deadlines slip. Sound
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$10,000+$50 - $99 / hr50 - 249Santa Monica, CA
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See all 20 projectsPremiersoft is a Custom Software Creation company specializing in tailored software development and end-to-end software engineering solutions. The overall feedback from clients is overwhelmingly positive, with 100% of reviews highlighting their timely project completion, efficient communication, and strong cultural alignment with partners. Approximately 67% of reviewers emphasize their impressive project management and adherence to deadlines.
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$5,000+$25 - $49 / hr50 - 249Wilmington, DE
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See all 42 projectsDigiTrends is a software development company specializing in tailored software solutions, particularly in the healthcare and pharmaceutical sectors. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their expertise in custom software creation and effective project management. Common themes in reviews highlight their strong communication skills and domain knowledge, leading to successful project implementations.
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$5,000+$25 - $49 / hr10 - 49San Francisco, CA
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See all 10 projectsEvolveDash Inc is a versatile company specializing in web development and SEO services. Reviews highlight their technical expertise and commitment to client satisfaction, with 100% of feedback emphasizing responsiveness and project timeliness. Despite some QA limitations, 80% of reviews commend their adaptability and ability to deliver impressive results, such as improved site performance and effective HARO services.
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$10,000+$25 - $49 / hr50 - 249Coconut Creek, FL
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See all 4 projectsAppstract is a custom software development company known for its strong emphasis on tailored and end-to-end software solutions. Reviews highlight their consistent project delivery on time, seamless integration with clients' teams, and a professional, adaptive approach to addressing client needs. Approximately 100% of reviewers commend their professionalism and cultural fit, making them a highly recommended partner in software engineering.
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$10,000+$25 - $49 / hr50 - 249New York, NY
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See all 5 projectsDestm Technologies is a web development company specializing in creating and enhancing e-commerce platforms, with a strong emphasis on Shopify and custom solutions. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their technical expertise, timely delivery, and reasonable pricing. Clients consistently commend Destm Technologies for their professionalism, flexibility, and dedication to project success.
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$10,000+$50 - $99 / hr50 - 249New York, NY
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See all 27 projectsSEVEN is a versatile custom software development company, specializing in end-to-end and tailored software solutions. Reviews indicate a high level of client satisfaction, with approximately 90% positive feedback highlighting their project management, communication, and ability to deliver complex projects on time and within budget. Noteworthy mentions include their expertise in full stack software development and their commitment to client-driven solutions, as emphasized by 75% of reviewers.
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$25,000+$25 - $49 / hr250 - 999New York, NY
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See all 121 projectsSuffescom Solutions Inc is a renowned company specializing in Custom Software Development and Full Stack Software Development services. Their clients commend their ability to deliver projects on time and highlight their technical expertise and consistent communication. Over 90% of feedback praises their end-to-end software development capabilities and tailored software solutions, ensuring high user satisfaction and significant business growth for their clients.
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$25,000+$25 - $49 / hr250 - 999Lakeville, MN
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See all 63 projectsExcellent Webworld is a Custom Software Creation company renowned for Full Stack Software Development services, including mobile and web applications. Collectively, reviews highlight their exceptional project management, timely delivery, and innovative solutions, with 100% of reviewers praising their communication skills and customer satisfaction. Their adeptness in tailoring software solutions and responsiveness to client needs are consistently commended.
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$50,000+$100 - $149 / hr50 - 249Los Angeles, CA
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See all 36 projectsCitrusBits is a bespoke software development company specializing in tailored software solutions, including custom software creation and full-stack software development. Client reviews highlight their responsiveness and expertise, with a 100% satisfaction rate and commendations for their ability to deliver user-friendly, high-quality software on time and within budget. Approximately 75% of reviewers emphasize their impressive project management and communication skills.
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$5,000+$25 - $49 / hr250 - 999New York, NY
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See all 70 projectsUplineSoft is a bespoke software development company specializing in tailored solutions across various industries, including finance, healthcare, and telecommunications. Their reviews indicate a 100% positive feedback rate, highlighting their effective project management, technical expertise, and ability to meet client-specific needs. Approximately 90% of reviewers commend their understanding of industry-specific challenges and innovative solutions, such as real-time fraud protection and automated billing systems.
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$25,000+$50 - $99 / hr250 - 999Austin, TX
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See all 35 projectsMMC Global specializes in Custom Software Creation, offering tailored solutions for diverse industries such as retail, healthcare, and business training. With a focus on practical and scalable software engineering, 100% of reviews highlight their professional project management and ability to deliver dependable, efficient software solutions. Clients praise their strategic development process, underscoring their expertise in addressing operational challenges and improving efficiency.
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Undisclosed$25 - $49 / hr250 - 999Salt Lake City, UT
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See all 30 projectsTrango Tech is a custom software creation company that excels in developing tailored software solutions. With a focus on accommodating client needs and aligning with company values, they receive positive feedback for their timely project delivery and effective communication. Of the reviews provided, 100% praised the flexibility and professionalism of project manager Jane M.
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$25,000+$50 - $99 / hr250 - 999Austin, TX
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See all 8 projectsX-Team is a Custom Software Development company specializing in providing tailored software engineering resources and services. Reviewers consistently praise X-Team for delivering high-quality engineers and seamless team integration, resulting in successful project outcomes. Over 90% of feedback highlights their expertise in managing software development projects and effective communication, although some suggest improved visibility into available talent.
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$10,000+$50 - $99 / hr10 - 49Atlanta, GA
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See all 23 projectsAppZoro Technologies, Inc. is a full stack software development company specializing in bespoke software creation, excelling in mobile and web-based solutions. Reviewers consistently praise their project management, timely delivery, and responsive communication. With over 80% of reviews highlighting their effective collaboration and customer-first approach, AppZoro stands out for its dedication to understanding client needs and delivering tailored solutions.
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$25,000+$50 - $99 / hr50 - 249Wilmington, DE
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See all 43 projectsSurf is a bespoke software development company specializing in custom software creation and full-stack software development. They are commended for their proactive approach, professionalism, and timely delivery, with 100% positive feedback emphasizing their expertise and effectiveness in managing complex projects. Reviewers consistently highlight Surf's collaborative spirit and innovative problem-solving capabilities.
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$25,000+$150 - $199 / hr50 - 249Austin, TX
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See all 15 projectsMutual Mobile (A Grid Dynamics Company) is a custom software development firm specializing in tailored software creation and end-to-end software development. Clients frequently praise their adaptability and strong project management, noting their ability to deliver smooth, well-designed technology. While communication and timeline management can occasionally be challenging, 90% of feedback highlights their commitment to understanding client needs and delivering innovative solutions.
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$50,000+$150 - $199 / hr250 - 999Irvine, CA
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See all 34 projectsVincit is a full stack software development company known for delivering tailored software solutions across various industries. With a 100% positive feedback rate, clients consistently praise Vincit for their exceptional project management, transparent communication, and ability to meet deadlines and adapt to changing project scopes. Approximately 60% of reviewers highlight their technical expertise and innovative approach to custom software development.
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$25,000+$150 - $199 / hr10 - 49Ada, MI
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See all 13 projectsCalder Solutions is a bespoke software development firm specializing in tailored and full-stack software development services. The company consistently receives positive feedback for its exceptional project management, swift turnaround times, and high-quality deliverables. Approximately 100% of reviews highlight their ability to meet project objectives effectively, while 80% emphasize their excellent communication and collaboration skills.
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$10,000+$50 - $99 / hr250 - 999Seattle, WA
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See all 36 projects9series Inc is a custom software development firm known for its tailored software creation and full stack software development services. Reviews highlight their strong project management, flexibility, and commitment, with over 80% of feedback being positive. Clients commend their agile methodologies and communication, though some suggest improvements in design expertise and geographical presence.
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$25,000+$100 - $149 / hr10 - 49Arlington, VA
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See all 23 projects3Advance is a bespoke software development company specializing in tailored app and platform creation. Reviews reflect a high level of professionalism and dedication, with 100% of clients noting their exceptional project management and responsiveness. Clients appreciate their smooth design process and ability to integrate seamlessly with client needs, resulting in successful project outcomes.
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$50,000+$150 - $199 / hr250 - 999New York, NY
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See all 18 projectsMethod is a bespoke software development company specializing in tailored software creation and full-stack development services. Overall, their reviews reflect a high level of client satisfaction, with 100% of feedback emphasizing their effective communication and commitment to projects. Clients appreciate Method's ability to integrate seamlessly into existing teams, demonstrating expertise and investment, which enhances project outcomes.
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$5,000+$100 - $149 / hr50 - 249New York, NY
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See all 12 projectsRapptr Labs is a custom software development company specializing in tailored software creation and full-stack development. With a 100% positive feedback rate, clients praise their exceptional project management, strategic feature development, and effective communication. Approximately 90% of reviews highlight Rapptr Labs' ability to partner closely with clients, ensuring alignment with project goals and budget constraints.
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$5,000+$50 - $99 / hr10 - 49Seattle, WA
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See all 19 projectsSlashdev is a bespoke software development firm specializing in tailored software creation, with a focus on full-stack software development and custom solutions. The company has received overwhelmingly positive feedback, with reviewers praising its quick responsiveness, flexibility, and cost-effective pricing. Approximately 100% of the feedback highlights their ability to deliver skilled developers promptly, emphasizing their impressive project turnaround and attention to detail.
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$10,000+$50 - $99 / hr50 - 249San Francisco, CA
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See all 13 projectsSF AppWorks is a custom software development company specializing in bespoke software creation and end-to-end software development. With a strong emphasis on technical expertise and responsiveness, they consistently receive positive feedback, highlighted by their adaptability and client-focused approach. Approximately 90% of reviewers commend their project management and timely delivery, with many noting their strategic guidance and flexibility in aligning with client needs.
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$100,000+$100 - $149 / hr10 - 49New York, NY
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See all 15 projectsSmall Planet is a bespoke software development company specializing in tailored and full-stack software engineering solutions. Garnering positive feedback, their adaptability and strategic partnership are praised, with 100% of reviews highlighting these strengths. While they excel in managing complex projects, attention to detail was noted as an area for improvement by 33% of reviewers.
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$5,000+$25 - $49 / hr250 - 999New York, NY
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See all 21 projectsClarion Technologies is a bespoke software development company offering managed software development services across various domains. The overall feedback from their clients is overwhelmingly positive, with approximately 95% of reviewers praising their technical capabilities, integrity, and partner-oriented approach. Clients consistently highlight their full-stack software development expertise and commitment to on-time delivery. A notable 80% of reviews emphasize their proactive communication and ability to understand client needs effectively.
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$10,000+$50 - $99 / hr10 - 49New York, NY
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See all 29 projectsHubSpire is a highly-regarded custom software development company specializing in bespoke software development, web design, mobile applications, and technical support. Their reviews reflect an overall positive sentiment, with clients commending their proactive project management and commitment to aligning with client needs. Impressively, 100% of reviewers highlight HubSpire's effective communication and dedication, often likening the team to an extension of their own family.
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$100,000+$150 - $199 / hr10 - 49Mason, OH
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See all 10 projectsAtomic Robot is a mobile app development company specializing in iOS and Android solutions, often praised for their expertise in transforming and enhancing mobile applications. Reviews consistently highlight their professionalism and seamless integration with client teams, with over 90% emphasizing their proactivity and quality of work. Clients also commend their ability to deliver projects on-time and within budget, though some mention initial challenges in detailed project management.
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$10,000+< $25 / hr50 - 249Coral Gables, FL
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See all 4 projectsRocket Code is a Custom Software Development company renowned for delivering tailored software solutions across various industries, particularly fintech. Their services include end-to-end software development with a strong emphasis on cybersecurity and innovative tech stacks. Approximately 90% of their feedback highlights their effective project management and dedication to client goals, underscoring their expertise in full stack software development and bespoke software engineering.
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$50,000+$150 - $199 / hr10 - 49Long Beach, CA
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See all 8 projectsJLOOP is a Custom Software Development company noted for its ability to deliver tailored software solutions and full-stack development. Reviews highlight a 100% positive experience, emphasizing their expertise in software engineering and adaptability across time zones and cultural differences. Over 70% of reviewers commend their professional project management and strong relationship-building culture.
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$50,000+$100 - $149 / hr10 - 49Paradise Valley, AZ
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See all 6 projectsAllied Code, a Custom Software Development company, consistently receives glowing reviews for its software engineering expertise, with a 100% positive feedback rate. Clients commend their tailored software development approach, exceptional project management, and clear communication. Allied Code is praised for delivering seamless, high-functioning bespoke software solutions, making them a preferred partner for complex software projects and end-to-end software development.
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$5,000+$50 - $99 / hr10 - 49Boston, MA
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See all 24 projectsAras Digital Products is a bespoke software development company known for its tailored software development services. They have received overwhelmingly positive feedback, with 100% of reviews highlighting their ability to integrate seamlessly into existing teams and manage complex projects efficiently. Clients particularly appreciate their strategic insights and commitment to delivering high-quality, on-time solutions.
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$5,000+$50 - $99 / hr10 - 49Wilmington, DE
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See all 26 projectsCadabra Studio is a bespoke software development company specializing in custom software creation and end-to-end software development. Their reviews highlight exceptional communication skills, flexibility, and strong project management; 100% of reviewers noted their proactive approach and attention to detail. Customers appreciate their ability to adapt to complex requirements and provide tailored solutions, despite minor language barriers.
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$25,000+$150 - $199 / hr50 - 249Dallas, TX
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See all 5 projectsBottle Rocket is a custom software creation company known for its strategic approach to software development, particularly in modernizing loyalty programs. The overall feedback is overwhelmingly positive, with clients like Kimberly-Clark praising their commitment to innovation, technical expertise, and adherence to timelines. They are recognized for their thorough understanding of client needs and effective partner collaboration.
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Undisclosed$150 - $199 / hr10 - 49Minneapolis, MN
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See all 17 projectsThe Jed Mahonis Group is a Custom Software Creation firm known for its expertise in full-stack software development, particularly with mobile applications. They are praised for their professionalism, responsiveness, and cost-effectiveness, with approximately 100% of reviews highlighting their flexibility and quick turnaround. While their iOS development is strong, clients note room for improvement in Android development.
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$25,000+$150 - $199 / hr10 - 49Atlanta, GA
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See all 8 projectsBlueFletch is a bespoke software development company specializing in custom software creation and mobile applications. Reviews highlight a strong emphasis on project management and technical expertise, with approximately 85% of feedback being positive. Clients repeatedly commend their capability to handle complex software engineering tasks and their responsiveness in addressing concerns. Notably, 60% of reviewers mention their exceptional adaptability and commitment to delivering high-quality solutions on time.
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$10,000+$150 - $199 / hr10 - 49Forest Hills, MI
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See all 9 projectsMichigan Software Labs is a custom software development company specializing in bespoke software creation and full-stack software development. The company has received overwhelmingly positive feedback, with clients praising their project management skills, responsiveness, and ability to capture user stories effectively. While 100% of reviewers appreciate their collaborative approach, one suggests increased transparency regarding pricing. Overall, Michigan Software Labs is recommended for their professionalism and alignment with client values.
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List of the Top 15 United States Kotlin Development Services
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$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 -
$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+$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 -
$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 -
$5,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
10% Custom Software Development30% Kotlin10% Web Development60% Mobile App Development20% Other -
$25,000+$100 - $149 / hr50 - 249Plano, TX
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
35% Custom Software Development10% Kotlin10% Web Development30% Mobile App Development25% Other -
$50,000+$150 - $199 / hr50 - 249Los Angeles, CA
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Custom Software Development10% Kotlin10% Web Development50% Mobile App Development20% Other -
$10,000+$50 - $99 / hr50 - 249Greenville, SC
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
30% Custom Software Development10% Kotlin50% Mobile App Development20% Other -
$50,000+$100 - $149 / hr50 - 249Irvine, CA
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Custom Software Development10% Kotlin10% Web Development10% Mobile App Development30% AR/VR Development10% Other -
$75,000+Undisclosed250 - 999Charlotte, NC
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
15% Custom Software Development10% Kotlin5% Web Development5% Mobile App Development5% Application Management & Support70% Other -
$25,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
37.5/40.017.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Custom Software Development25% Kotlin20% Web Development40% Mobile App Development20% Other -
$25,000+$50 - $99 / hr50 - 249Costa Mesa, CA
Ability to deliver
38.1/40.019.2/20 Reviews9.6/10 Clients & Experience9.3/10 Market PresenceService focus
20% Web Development50% Mobile App Development30% Other -
$10,000+Undisclosed10 - 49Rockville, MD
Ability to deliver
37.7/40.018/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Web Development40% Mobile App Development10% Application Management & Support20% Other -
$25,000+$50 - $99 / hr250 - 999Austin, TX
Ability to deliver
37.6/40.018/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Custom Software Development11% Kotlin20% Mobile App Development60% Other -
$25,000+$25 - $49 / hr50 - 249Dallas, TX
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Custom Software Development20% Kotlin40% Mobile App Development10% Enterprise App Modernization20% Other -
$50,000+$25 - $49 / hr1,000 - 9,999Houston, TX
Ability to deliver
35.4/40.017.4/20 Reviews8.4/10 Clients & Experience9.6/10 Market PresenceService focus
10% Custom Software Development15% Kotlin10% Web Development10% Mobile App Development10% Application Management & Support60% Other -
Undisclosed$25 - $49 / hr250 - 999Salt Lake City, UT
Ability to deliver
37.3/40.017.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Custom Software Development10% Kotlin10% Web Development40% Mobile App Development10% AR/VR Development30% Other -
$25,000+$100 - $149 / hr10 - 49Denver, CO
Ability to deliver
37.6/40.018/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
30% Custom Software Development15% Kotlin50% Mobile App Development5% Application Management & Support5% Enterprise App Modernization10% Other -
$25,000+$50 - $99 / hr250 - 999Austin, TX
Ability to deliver
36.2/40.016.4/20 Reviews9.9/10 Clients & Experience9.9/10 Market PresenceService focus
30% Custom Software Development15% Kotlin10% Web Development10% Mobile App Development50% Other -
$5,000+$25 - $49 / hr50 - 249Fort Wayne, IN
Ability to deliver
35.7/40.018.4/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
15% Custom Software Development25% Kotlin5% Web Development40% Mobile App Development15% Application Management & Support25% Other -
$10,000+$50 - $99 / hr10 - 49Atlanta, GA
Ability to deliver
35.6/40.016/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Custom Software Development30% Kotlin10% Web Development53% Mobile App Development27% Other -
$75,000+$150 - $199 / hr250 - 999New York, NY
Ability to deliver
36.8/40.016.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development55% Mobile App Development30% Other -
$25,000+$50 - $99 / hr50 - 249Wilmington, DE
Ability to deliver
36/40.016.4/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
80% Mobile App Development20% Other -
$10,000+$25 - $49 / hr250 - 999Lauderdale-by-the-Sea, FL
Ability to deliver
37.1/40.020/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
5% Web Development20% Mobile App Development5% AR/VR Development70% Other -
Undisclosed$50 - $99 / hr1,000 - 9,999Tampa, FL
Ability to deliver
35.8/40.019.2/20 Reviews6.9/10 Clients & Experience9.7/10 Market PresenceService focus
25% Custom Software Development10% Kotlin75% Other -
$50,000+$50 - $99 / hr50 - 249Dallas, TX
Ability to deliver
38.4/40.018.6/20 Reviews9.8/10 Clients & Experience10/10 Market PresenceService focus
10% Custom Software Development20% Kotlin10% Web Development10% Mobile App Development70% Other -
$25,000+$150 - $199 / hr50 - 249Austin, TX
Ability to deliver
35.6/40.015.6/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Custom Software Development21% Kotlin10% Web Development35% Mobile App Development10% AR/VR Development10% Enterprise App Modernization25% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.1/40.016.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Custom Software Development10% Kotlin30% Web Development25% Mobile App Development -
$50,000+$150 - $199 / hr50 - 249Herndon, VA
Ability to deliver
35.2/40.017/20 Reviews8.8/10 Clients & Experience9.5/10 Market PresenceService focus
15% Web Development40% Mobile App Development45% Other
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United States Kotlin Development FAQs
Working with a domestic Kotlin development team can streamline collaboration, especially when projects require daily stand-ups, rapid iteration, or compliance with U.S. data laws such as HIPAA or CCPA.
A local partner typically shares your time zone, business culture, and QA standards, reducing miscommunication and speeding up feedback loops. Plus, many U.S. agencies have direct ties to tech hubs—think Bay Area VC networks or enterprise clients in New York—that can open doors for future growth.
U.S. Kotlin development specialists work across a broad spectrum of verticals, including:
- Fintech and digital banking
- Health tech and HIPAA-compliant apps
- E-commerce and retail (Shopify, Magento back ends)
- Transportation and logistics (real-time tracking)
- Media streaming and entertainment
Mixed-platform skill sets (Kotlin Multiplatform Mobile, Compose for Desktop) let them support both consumer and enterprise projects.
- Audit their code—Ask for GitHub samples or walkthroughs to verify clean, idiomatic Kotlin.
- Match architecture styles—If you need MVVM with Coroutines and Flow, ensure the team has that stack on past projects.
- Check domain experience—Fintech apps benefit from partners who’ve passed SOC 2 or PCI audits.
- Assess collaboration tools—Look for agencies proficient in Jira, Slack, and automated CI/CD (e.g., GitHub Actions).
- Review Clutch feedback—Client quotes on timelines, bug rates, and post-launch support reveal real performance.
It’s vital to be thorough when assessing potential partners. Clutch prepared vetted directories of proven developers ready for your project. Find the ideal team by leveraging the resources and filters available on the platform.
• Java-only portfolios with minimal Kotlin samples
• Low senior-level ratio; a team of mostly juniors can slow delivery
• Vague estimates without sprint breakdowns or acceptance criteria
• No automated testing (unit, UI, or integration) in their process
• Ownership concerns—agencies that retain source-code rights or charge release fees
Development cycles require close collaboration and good project management. Keep a close eye out for these warning signs to ensure your project’s smooth progress.
Most U.S. Kotlin agencies charge $100 – $200 per hour according to recent Clutch pricing data. Typical project ranges:
- MVP or feature add-ons: $25,000 – $60,000
- Full-scale Android or KMP app: $75,000 – $200,000+
- Long-term team augmentation: $15,000 – $40,000 per developer, per month
Factors that influence cost include team seniority, project complexity (e.g., reactive programming, microservices), and whether design or product strategy is bundled in.