Available
I'm an App Developer working from Boston, United States. My focus is .NET, 3D Animation, and 3D Design, and I'm always keen to jump into a well-scoped brief.
See MorePost a project and get matched with App Developers in Boston, United States. Matched in 24 hours. No agency fees.
Trusted by 10,000+ companies of all sizes
Available now
Every App Developer's portfolio and application is manually reviewed by our Customer Success team. You only see vetted matches.
I'm an App Developer working from Boston, United States. My focus is .NET, 3D Animation, and 3D Design, and I'm always keen to jump into a well-scoped brief.
See MoreI’m a detail-oriented Software Engineer with hands-on experience in JavaScript, React, TypeScript, and Python, building responsive web and mobile applications that priori...
See MoreCS @ Berkeley 4 years in the mobile space, doing the following: -testing -automation -release -development Specializing in iOS Development, esp. with SwiftUI. ...
See More
I've launched five apps to production over the past 3 years. Three of the applications simultaneously released on the Apple App Store and the Google Play store with unifi...
See More
Results-oriented Senior Full Stack Developer and BI Engineer with over 7 years of experience architecting scalable, data-driven solutions within the healthcare and techni...
See MoreI am a Senior Java engineer with 6+ years building high-throughput distributed systems and event-driven microservices in fintech and financial services. I thrive on solvi...
See More
I'm Sunil Mishra, a Lead Mobile Engineer with over a decade of experience architecting and delivering scalable, high-performance mobile solutions across native and cross-...
See More
I am a seasoned Senior Full Stack Engineer with over 10 years of experience designing and developing full-stack applications across diverse industries like e-commerce, he...
See More
I am a Senior iOS Software Engineer with 5+ years of experience delivering high-quality iOS applications for large user bases. I specialize in Swift and Objective-C, with...
See MoreFull Stack Developer with 2+ years’ experience building scalable web apps and APIs using Java, Python, Node.js, Spring Boot, Flask, and React.js. Skilled in RESTful and ...
See More
I am a Full-Stack AI Engineer who builds end-to-end products from React frontends to LLM-backed services and AWS cloud infrastructure. I enjoy turning ideas into scalable...
See MoreI'm an experienced App Developer based in Boston, United States. I specialise in AWS, Bash, and Django and enjoy helping teams turn ideas into polished work.
See MoreWe have over 14,500 App Developers who've worked in many different industries and cover various styles and skillsets.
Start your searchProjects that brands and startups post most often.
End-to-end build of a v1 product: front-end, back-end, and deployment.
Build your MVPShort engagement to clear a backlog of bugs and stabilise a release.
Stabilise your releaseAdd LLM-powered features to your product, copilots, semantic search, or summarisation.
Integrate AIReact Native or Flutter app for iOS and Android from your existing spec.
Build your appDevelopment specialisms and the cross-functional roles you'll often hire alongside.
We've got more than App Developers in Boston, United States
or widen your search to App Developers in United States
Reviews
“Ritik has done a good job in developing and publishing mobile app and his production support after deployment is helping me to manage app better.”
Abhijeet @ Yoday
Jul 27, 2026
“We had a great experience working with Nitin Jha. He is a skilled Flutter Developer who quickly understood our requirements and delivered a high-quality, user-friendly mobile application on time. His professionalism, technical expertise, and responsiveness throughout the project were outstanding. We highly recommend Nitin...”
sapna @ jemini
Jul 26, 2026
“Mark Scicluna is a great developer. I confidently endorse Mark’s capabilities and character.”
Theodore @ Rhizomenet Pty. Ltd.
Jul 24, 2026
“*"Working with Piyush was a smooth experience. He delivered a clean, professional website on time and was responsive throughout the project. Highly recommended for anyone looking for quality web development services."*.”
shraddha @ swastik clinic
Jul 23, 2026
“Jaskaran singh built my website from start to finish, and the entire process was smooth and professional. He understood exactly what I needed, delivered on time, and the final result exceeded my expectations. The site looks clean, works flawlessly, and was exactly what my business needed. I highly recommend him to anyone...”
tirath @ tirath electronics
Jul 15, 2026
“Omais is a highly skilled and reliable freelancer who did a fantastic job on my Web App project. I trusted him with complex technical tasks, including working directly within a Windows Server VPS environment, and he handled everything seamlessly. He is professional, efficient, and delivers great results. I highly recommend...”
Julio @ Two Brothers Flooring, LLC
Jul 13, 2026
Clients Rate Twine App Developers 4.97 / 5.0
on average across 917917 reviews
3–5 minutes. Tell us about your project, your timeline, and how you want experts to contact you.
Within 24 hours, you'll see a shortlist of vetted App Developers matched to your project.
Flexible payments on your terms, bill experts directly or use the Twine vault for added security.
Transparent rates, no hidden markup, and a payment path for every need.
Agencies bury a 20–40% markup inside the retainer, you never see it. On Twine, you set the price and you see the platform fee as a separate, explicit line. No surprises at checkout.
Prefer your own payment flow? Pay your expert outside Twine, incurring no commission fees. Most useful for ongoing or trusted relationships.
Funds are held in escrow and only released when you approve the deliverables. If the work isn't right, your money doesn't move. 10% commission on payments up to $10,000, just 5% on anything above.
Pick the role, the experience level and how long you need. We’ll show you what similar projects have cost on Twine. It’s a guide, not a quote.
Estimates only. Actual budget is set by you and agreed with your expert before any work begins.
ESTIMATED RANGE
$5,500 – $15,000
Full possible range for a mid-level App Developer over 2–4 weeks
Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.
