I am looking for a project (API / feature development / maintenance) with a highly structured approach: • Clear task breakdown • Fast delivery • Clean and maintainable...
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I am looking for a project (API / feature development / maintenance) with a highly structured approach: • Clear task breakdown • Fast delivery • Clean and maintainable...
See MoreHi, I’m Nathanaël Godard, a passionate full-stack developer and co-founder who loves turning ambitious ideas into tangible digital products. I thrive in fast-paced, found...
See MoreI'm a master's degree graduate in CS and especially in 3D modeling and manipulation. I've previously worked on a Unity project for co-op surgical preparation for thermo-a...
See MoreI am Full Stack Developer, hire me!
See MoreiOS consultant and developer with 14+ years of experience, from the first mockup to launch on the App Store. I design and build mobile apps end to end: I define maintaina...
See MoreHi, I’m Fred Klein. I’m a full-stack software developer with 30 years of experience, focused on frontend technologies and UI/UX, passionate about building scalable SaaS p...
See MoreFrench software engineer based in Lyon, specialised in mobile technologies. For the last 13 years I shared my creativity, perfection and experiences with local compan...
See MoreI am a creative and passionate digital creator with over 20 years of experience across 3D production, sound design, interactive development, and multimedia. I’ve always b...
See MoreHello! I'm Yaroslav Kyzyk, a Unity-focused game developer with over four years of hands-on experience building mobile games and interactive experiences. I enjoy turning c...
See MoreBased in Lyon, France, I'm an App Developer expert focused on Email Design, Pitch Deck, and Presentation Design. I take a clear, collaborative approach to every project.
See MoreI’m Olivier Colonna, a Staff Platform / Full-Stack TypeScript Engineer based in France with 15+ years of building production web products across frontend, backend, platfo...
See MoreAfter a PhD in computer science and few years of R&D, I switched to web development which I've been doing for 5 years. I offer my help, expertise and problem solving skil...
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.
See which of Twine's top rated App Developers are near you
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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
€4,300 – €11,500
Full possible range for a mid-level App Developer over 2–4 weeks
Common questions answered before you post a project.
An App Developer is responsible for designing, coding, testing, and maintaining applications for mobile devices and other platforms. They translate user requirements into functional software, ensuring that the app performs well and provides a seamless user experience. App Developers work with various programming languages and frameworks, such as Swift, Kotlin, or React Native, depending on the platform they are developing for. Their role also includes collaborating with designers, project managers, and other stakeholders to deliver high-quality applications that meet business objectives and user needs.
Exceptional App Developers possess a combination of technical skills and soft skills that set them apart. Key qualities include:
These qualities enable them to deliver innovative and user-friendly applications.
Typical day rates for App Developers in France vary by experience level:
These are indicative ranges based on Twine project data. Final budgets depend on project scope and are agreed directly with your freelancer.
Recognizing the perfect App Developer in France involves evaluating their technical expertise and cultural fit. Start by reviewing their portfolio to assess the quality of their previous work and relevance to your project. Look for developers who demonstrate a strong understanding of user experience and design principles. Conduct interviews to gauge their communication skills and problem-solving approach. Additionally, check client testimonials and reviews for insights into their reliability and work ethic. Assess their willingness to adapt to your project's specific needs and their ability to meet deadlines effectively.
When interviewing an App Developer, consider asking the following key questions:
These questions help gauge their expertise and fit for your project.
To hire an App Developer in France, begin by defining your project requirements and budget. Utilize platforms like Twine to access a pool of skilled freelancers. Post a detailed job listing that outlines your expectations, including the type of app you want, desired features, and any technical specifications. Ensure to evaluate candidates based on their portfolios, experience, and reviews. Conduct interviews to assess their communication skills and cultural fit. Finally, finalize the agreement and establish clear expectations for deliverables and timelines to ensure a successful collaboration.
The primary difference between hiring a freelance App Developer and working with an agency in France lies in the structure and resources available. Freelancers typically offer personalized services and flexibility, allowing for direct communication and often lower costs. However, they may have limitations in terms of availability and skill diversity. In contrast, agencies have a team of professionals with various expertise, ensuring a more comprehensive approach to your project. They can manage larger projects and provide ongoing support but may come at a higher price point. Choose based on your project's scope and budget.
An effective project brief or job description for an App Developer should include:
This clarity helps attract suitable candidates and sets the foundation for successful collaboration.
Hiring on Twine is simple.
Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.