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.
Ready to explore? Check out these helpful resources:
• Kotlin Developers in New York
758 Companies
List of the Top United States Kotlin Development Services
Sponsored
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$50,000+$50 - $99 / hr50 - 249Austin, TX
Services provided
30% Custom Software Development20% AI Development15% IT Strategy Consulting +410% Cloud Consulting & SI10% Low/No Code Development10% Web Design5% AR/VR DevelopmentFocus Areas
10% Kotlin5% ASP5% ASP.NET +165% C5% C#5% C++5% Ember.js5% Go5% Java5% JavaScript5% Objective C5% PHP5% Python5% Redux5% Ruby5% SQL5% Scala5% Swift5% TypescriptSee all 16 projectsAgiliway is a bespoke software development firm providing comprehensive software engineering solutions, including front-end, back-end, CRM development, and automated testing. Reviews highlight their high talent level, adaptability, and competitive pricing, with 100% positive feedback on innovation and quality. Notably, 50% of reviewers commend their responsiveness and exceptional project management, underscoring their capability to deliver end-to-end software development successfully.
Reviews mention Proactive
Clients express a highly positive sentiment regarding Agiliway's proactive approach. The Project Manager from the Running Industry Association noted their team's ability to address potential challenges before they arose, demonstrating flexibility and timely delivery. Clients appreciate Agiliway's strong technical expertise coupled with a keen understanding of client needs, which fosters a trusting partnership. Overall, the feedback highlights a consistent commitment to client satisfaction and continual improvement.-
Branded Mobile App Dev for Nonprofit Organization
5.0 Oct 27, 2025Agiliway has consistently delivered work on time and demonstrated flexibility in adapting to changing requirements. Their team communicates clearly, responds quickly to requests, and takes a proactive approach to addressing potential challenges before they become issues.
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1 of 1 reviews is 5 starsUnknown avg. project costRead 1 Recent ReviewReviewed 1 time in the past 6 months
Recent reviews highlight Agiliway's strong technical expertise and effective communication, with clients praising their ability to deliver projects on time and adapt to changing requirements. One client noted significant improvements in member engagement and event participation due to a mobile app developed by Agiliway. The company is recognized for providing valuable recommendations and maintaining a high-quality product, establishing them as a trusted partner. Overall sentiment is highly positive, with minimal suggestions for improvement.Was this helpful?
2 of 4 Custom Software Development reviews are 5 stars$200,000 – $999,999 avg. project costRead 4 ReviewsCustom Software Development PROJECT HIGHLIGHT
Custom Software Dev for Healthcare Firm
5.0 — A healthcare firm tapped Agiliway as a partner in developing a custom software. They utilize software languages such as Clozure, Go, and others for the ongoing project. Read moreWas this helpful?
Industry Experience
Agiliway has demonstrated strong expertise across various industries, notably in Healthcare, IT Services, Nonprofit, Automotive, and Human Resources. In Healthcare, they excel in developing AI-driven telemedicine platforms, receiving praise for their innovative solutions and responsiveness. Their IT Services projects highlight effective project management and flexibility. Feedback from Nonprofit clients emphasizes their adaptability and customer-oriented approach. Overall, sentiment is highly positive, particularly in Healthcare and IT sectors, suggesting Agiliway is an excellent match for clients in these fields.
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IT Services Healthcare Human Resources Information technology Arts, entertainment & music Automotive NonprofitWas this helpful?
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Undisclosed< $25 / hr250 - 999Dover, DE
Services provided
24% Custom Software Development40% IT Staff Augmentation10% Back Office Outsourcing +310% Web Design8% Call Center Services8% Digital StrategyFocus Areas
10% Kotlin10% ASP.NET10% Java +810% Objective C10% PHP10% Python10% SQL10% Swift10% Visual Basic5% HTML55% JavaScriptEstablished in 2018, YellowStone Xperiences is a midsize Dubai, United Arab Emirates-based IT staff augmentation company. Their team focuses on IT staff augmentation and Custom Software Development.
Read moreSee All Locations (6)Dover, DE
South DuPont Highway Suite 102, Dover-19901, Delaware, United States America
Dover, DE 199012 - 5
+1 (604)3493946
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$5,000+$25 - $49 / hr50 - 249Mayfield Heights, OH
Services provided
15% Custom Software Development20% AI Development15% Cloud Consulting & SI +510% AI Consulting10% Generative AI10% IT Staff Augmentation10% Mobile App Development10% Web DevelopmentFocus Areas
10% Kotlin20% Go20% JavaScript +320% Redux20% Typescript10% SwiftSee all 24 projectsWednesday Solutions is a bespoke software development company, excelling in full-stack and custom software creation. The feedback from clients is overwhelmingly positive, with 100% of reviewers praising their exceptional project management and communication skills. Clients commend their ability to integrate seamlessly with teams, delivering high-quality, stable, and scalable solutions while adapting flexibly to changing priorities.
Reviews mention Detail-oriented
Clients consistently highlight Wednesday Solutions' detail-oriented approach, noting their exemplary project management and responsiveness. One client emphasized their meticulous attention to detail, stating that every aspect of the project was handled with 'precision and care.' Another praised their ability to meet deadlines even under complex conditions, reflecting a commitment to quality. Overall, feedback indicates a strong sentiment of satisfaction with their thoroughness and dedication, contributing significantly to clients' project successes.-
Mobile App Development for Sports Betting Platform
5.0 Jun 18, 2024Their project management was exemplary and a crucial element of our collaboration. As a first-time tech startup founder with limited technical experience, having reliable and efficient project management was vital for our success. Wednesday Solutions delivered every item on time, consistently meeting or exceeding deadlines. Despite the complexity of our project and the involvement of multiple project managers, they ensured seamless transitions, and we never experienced any lag or downside. Their highly responsive approach to our needs, addressing concerns or requests promptly and efficiently, was particularly reassuring. Their proactive communication and thorough attention to detail ensured that every aspect of the project was handled with precision and care. This level of dedication and excellence in project management filled one of my biggest gaps, providing the critical support we needed and greatly contributing to the overall success of our partnership.
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5 of 6 Custom Software Development reviews are 5 stars$50,000 – $199,999 avg. project costRead 6 ReviewsCustom Software Development PROJECT HIGHLIGHT
AWS Consulting & Data Transfer for Stockbroker
5.0 — Wednesday Solutions provided AWS consulting for a stockbroker. The team supported the client with data transfer from on-premises to various systems. The team also created an API and a data mart on Read moreWas this helpful?
More responsive than most other service providers
Get in TouchWednesday Solutions is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.Was this helpful?
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$25,000+$25 - $49 / hr50 - 249Austin, TX
Services provided
30% Custom Software Development30% Mobile App Development20% IT Staff Augmentation +45% Digital Strategy5% E-Commerce Development5% UX/UI Design5% Wearable App DevelopmentFocus Areas
10% Kotlin10% AJAX10% C# +710% HTML510% Java10% JavaScript10% Objective C10% PHP10% SQL10% SwiftSee all 2 projectsMyTeams is a comprehensive app development company specializing in scalable Web3 streaming solutions. With a 100% positive feedback rate, clients consistently praise their exceptional project management, technical expertise, and proactive communication. Notably, 100% of reviewers highlight their strategic thinking and commitment to client success, though some suggest expanding services to include TV app development for further growth.
Industry Experience
MyTeams has received positive feedback primarily from the media industry, showcasing their expertise in developing Web3-based streaming applications. Clients commend their comprehensive approach, which combines technical development, marketing strategies, and brand management, leading to significant growth and user engagement. Overall sentiment is highly favorable, highlighting MyTeams' proactive project management and adaptability. Potential clients in the media sector, particularly in streaming services, would benefit from their strong technical capabilities and commitment to project success.
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MediaWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently praise MyTeams for their competitive pricing and strong value for money. One reviewer noted that MyTeams was chosen primarily due to their pricing being a good fit for their budget and the overall value they provided. The project management was highlighted as exceptional, with timely deliveries and effective budget handling, contributing to the client's successful outcomes. Overall, the sentiment reflects satisfaction with the cost-effectiveness and quality of services received.Was this helpful?
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$10,000+$25 - $49 / hr50 - 249Las Vegas, NV
Services provided
10% Custom Software Development10% AI Agents10% AI Development +710% AR/VR Development10% Cloud Consulting & SI10% Generative AI10% IT Staff Augmentation10% IoT Development10% Mobile App Development10% Web DevelopmentFocus Areas
10% Kotlin20% ASP.NET20% Java +510% C#10% JavaScript10% PHP10% Python10% SwiftSee all 129 projectsTrigma is a custom software development company that excels in delivering tailored software solutions, particularly in AI integration and bespoke software creation. Across their reviews, 100% of clients praised their technical expertise and project management, highlighting their ability to deliver on time and meet specific client needs. Impressively, 70% of reviewers commended their innovative approaches and comprehensive understanding of diverse industry requirements.
Reviews mention Accessible
Clients have consistently praised Trigma for their accessibility and approachability. One client highlighted the team's ease of communication, noting, 'The team is easily approachable and that is really impressive.' Another client emphasized the availability of their project manager, stating, 'He was always available with new ideas and different options for the same requirement.' Overall, the sentiment regarding accessibility is highly positive, with clients commending Trigma's responsiveness and readiness to assist.-
Website Migration for Software Company
5.0 Nov 24, 2020The team is easily approachable and that is really impressive.
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E-commerce Site for Packaged Food Company
5.0 Apr 1, 2020The project manager Vijaypal Singh was always available with the new ideas and he helps me a lot in providing different options for the same requirement. He was always available whenever it is required.
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Industry Experience
Trigma has demonstrated strong expertise across various industries, including IT Services, Manufacturing, Healthcare, and Financial Services. Clients praised their innovative AI solutions that enhance operational efficiency and data management. In IT Services, they were commended for their technical skills and timely delivery. In Manufacturing, their AI-driven ERP solutions significantly improved operational processes. Overall, feedback reflects a positive sentiment, indicating Trigma's capability to deliver tailored solutions and exceptional support across diverse sectors.
Read All ReviewsSelect Industry to see insights
Media Advertising & marketing Information technology Nonprofit Utilities Other Industry Real estate Software Financial services IT Services Healthcare Business services Food & Beverages Sports Automotive Retail Arts, entertainment & music Education Government Publishing Consumer Products Hospitality & leisure ManufacturingWas this helpful?
$4,000 For startups building core software $8,000 For growing businesses scaling apps $12,000 For enterprises building AI-ready appsView PackagesCustom Software Development Packages
Our Custom Software Development packages deliver end-to-end web and app solutions with scalable architecture, modern UX/UI, and reliable testing. Medium and Large tiers include AI integration, cloud setup, and enhanced security for smarter, future-ready products.Was this helpful?
See All Locations (4)Las Vegas, NV
10001 W Park Run Dr #115
Las Vegas, NV 891452 - 5
+17027603099
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UndisclosedUndisclosed50 - 249Boston, MA
Services provided
10% AR/VR Development10% Application Testing10% Blockchain +710% Content Marketing10% IoT Development10% Mobile App Development10% Search Engine Optimization10% Social Media Marketing10% UX/UI Design10% Web DevelopmentFocus Areas
25% Kotlin25% Java25% Objective C +125% SwiftRockville Technologies is a social media marketing agency. They are in Boston, Massachusetts and Islamabad, Pakistan. Their team focuses on Social Media Marketing and Content Marketing.
Read more -
$5,000+$25 - $49 / hr1,000 - 9,999Emeryville, CA
Services provided
20% Custom Software Development20% Mobile App Development20% Web Development +410% AI Development10% IT Managed Services10% Low/No Code Development10% UX/UI DesignFocus Areas
10% Kotlin10% AJAX10% ASP.NET +710% Java10% JavaScript10% PHP10% Python10% Ruby10% SQL10% SwiftSee all 25 projectsSeasia Infotech is a leading provider of Custom Software Development services, known for their tailored and bespoke software solutions. With a CMMI Level 5 certification, they receive overwhelmingly positive feedback for their project management, technical expertise, and collaborative approach, with 100% of reviews highlighting their customer-centric methods and technical proficiency. Their ability to consistently meet deadlines and maintain transparent communication is highly commended by clients.
Reviews mention Exceeds expectations
Clients have reported that Seasia Infotech consistently exceeds expectations, particularly in project delivery and support. One director noted that the team's professionalism and timely execution led to outstanding results, while a CEO highlighted the smooth communication and impressive response rate. Both clients emphasized the high skill level of team members and the effective management of their projects, affirming that their experiences surpassed their initial expectations.-
Mobile App Development for E-Gift App
5.0 May 10, 2022It was a nice experience to work with the Seasia team, they are very professional and delivered the project on time. Everything exceeded our expectations, like UX/UI, QA, and on-time deliveries. All team members were very supportive and skilled.
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Platform Dev for Hotel Room Searching App
5.0 Jul 28, 2021This company has a good response rate. They understood my requirements well and, yes, sometimes exceed my expectations.
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Industry Experience
Seasia Infotech has received predominantly positive feedback across various industries, including Information Technology, Automotive, Consulting, Healthcare, and Retail. Clients praise their expertise in mobile app development, UI/UX design, and project management. The company is noted for its strong commitment to quality, responsiveness, and effective communication. However, some reviews highlight concerns about meeting deadlines and UI detail. Overall, they are well-regarded in tech, consulting, and healthcare sectors, making them a suitable choice for clients in these fields.
Read All ReviewsSelect Industry to see insights
Consumer Products Information technology Software Automotive Consulting Other Industry Arts, entertainment & music Gaming Retail Advertising & marketing IT Services Healthcare Business servicesWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Seasia Infotech is often praised for its competitive pricing and overall value for money. Clients noted that the company's cost structure aligns well with project budgets, as highlighted by a CEO who appreciated the 'good value for cost.' However, a contrasting review criticized their management and delivery timelines, indicating a lack of professionalism that undermined perceived value. Overall, sentiment leans towards satisfaction with cost-effectiveness, yet concerns about project execution and communication persist.Was this helpful?
More responsive than most other service providers
Get in TouchSeasia Infotech is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.Was this helpful?
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UndisclosedUndisclosed50 - 249New York, NY
Services provided
30% Mobile App Development20% Application Testing20% Enterprise App Modernization +220% Web Development10% Application Management & SupportFocus Areas
10% Kotlin10% ASP.NET10% C# +710% C++10% Java10% JavaScript10% Objective C10% Other programming & scripting languages10% SQL10% SwiftFounded in 2010, Veridic Technologies Pvt Ltd is an application development company. The midsize team specializes in Mobile App Development and Enterprise App Modernization.
Read moreSee All Locations (3)New York, NY
555 Madison Avenue,
New York, NY 10022+1 (585)-268-3184
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List of the Top 15 United States Kotlin Development Services
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$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 - 999Irving, TX
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% Web Development30% Mobile App Development60% 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 -
$10,000+$50 - $99 / hr250 - 999Greenville, SC
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
25% Custom Software Development10% Kotlin60% Mobile App Development15% 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 -
$75,000+Undisclosed250 - 999Charlotte, NC
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Custom Software Development10% Kotlin20% Web Development10% Mobile App Development40% Other -
$25,000+Undisclosed10 - 49Rockville, MD
Ability to deliver
39.1/40.019.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Web Development40% Mobile App Development10% Application Management & Support20% Other -
$25,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
38.1/40.018.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Custom Software Development25% Kotlin20% Web Development40% Mobile App Development20% Other -
$50,000+$100 - $149 / hr50 - 249Newport Beach, CA
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Custom Software Development10% Kotlin10% Web Development10% Mobile App Development30% AR/VR Development10% Other -
$10,000+$100 - $149 / hr50 - 249Costa Mesa, CA
Ability to deliver
37.9/40.018.4/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Web Development50% Mobile App Development30% Other -
Undisclosed$25 - $49 / hr250 - 999Salt Lake City, UT
Ability to deliver
38.1/40.018.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Custom Software Development10% Kotlin10% Web Development40% Mobile App Development10% AR/VR Development30% Other -
$50,000+$25 - $49 / hr1,000 - 9,999Houston, TX
Ability to deliver
35.8/40.017.8/20 Reviews8.4/10 Clients & Experience9.6/10 Market PresenceService focus
10% Custom Software Development15% Kotlin10% Web Development10% Mobile App Development10% Application Management & Support60% Other -
$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 -
$25,000+$100 - $149 / hr10 - 49Denver, CO
Ability to deliver
37.4/40.017.8/20 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 / hr50 - 249Wilmington, DE
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
80% Mobile App Development20% Other -
$10,000+$25 - $49 / hr50 - 249Greenwood, IN
Ability to deliver
37.7/40.018.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
10% Custom Software Development10% Kotlin35% Web Development55% Mobile App Development -
$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 -
$25,000+$50 - $99 / hr250 - 999Austin, TX
Ability to deliver
36.2/40.016.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Custom Software Development11% Kotlin20% Mobile App Development60% 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 -
$25,000+$100 - $149 / hr10 - 49Arlington, VA
Ability to deliver
36.7/40.017.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
20% Custom Software Development15% Kotlin20% Web Development35% Mobile App Development25% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
45% Custom Software Development10% Kotlin30% Web Development25% Mobile App Development -
$10,000+$25 - $49 / hr250 - 999Nashua, NH
Ability to deliver
36.1/40.016.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Custom Software Development10% Kotlin15% Web Development40% Mobile App Development10% AR/VR Development20% Other -
$25,000+$25 - $49 / hr50 - 249Dallas, TX
Ability to deliver
35.3/40.015.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Custom Software Development20% Kotlin40% Mobile App Development10% Enterprise App Modernization20% Other -
$50,000+$150 - $199 / hr50 - 249Herndon, VA
Ability to deliver
35.3/40.017.2/20 Reviews8.8/10 Clients & Experience9.4/10 Market PresenceService focus
15% Web Development40% Mobile App Development45% Other -
$5,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
35.8/40.017/20 Reviews9/10 Clients & Experience9.8/10 Market PresenceService focus
20% Custom Software Development10% Kotlin30% Web Development10% Mobile App Development10% Enterprise App Modernization30% Other -
$50,000+$150 - $199 / hr10 - 49Chicago, IL
Ability to deliver
36.7/40.017.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
20% Web Development60% Mobile App Development10% Application Management & Support10% Other -
$25,000+$150 - $199 / hr10 - 49Ada, MI
Ability to deliver
36.7/40.017.8/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
20% Custom Software Development10% Kotlin10% Web Development20% Mobile App Development10% AR/VR Development40% Other -
$10,000+$25 - $49 / hr250 - 999Lauderdale-by-the-Sea, FL
Ability to deliver
36.4/40.019.4/20 Reviews10/10 Clients & Experience7/10 Market PresenceService focus
5% Web Development20% Mobile App Development5% AR/VR Development70% Other -
$5,000+$100 - $149 / hr50 - 249Plano, TX
Ability to deliver
37.1/40.017.6/20 Reviews9.5/10 Clients & Experience10/10 Market PresenceService focus
15% Custom Software Development10% Kotlin10% Web Development20% Mobile App Development55% Other -
$10,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
36.3/40.016.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Custom Software Development10% Kotlin15% Web Development10% 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.
Get personalized agency matches based on your project goals.