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I am a creative, young and skilled engineer with a passion for building awesome stuff. I like my code accessible and clean—just like my computer desk. I’m focused on grow...
See MorePost a project and get matched with App Developers in Gdansk, Poland. Matched in 24 hours. No agency fees.
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I am a creative, young and skilled engineer with a passion for building awesome stuff. I like my code accessible and clean—just like my computer desk. I’m focused on grow...
See MoreI'm Oleh Pihnastyi, a Senior Software Engineer based in Gdańsk, Poland. I bring 10+ years of experience designing, developing, and optimizing enterprise-grade software so...
See MoreExperienced full-stack web developer with over 13 years in building complex backend systems and e-commerce platforms. Expert in the Laravel ecosystem — including Livewir...
See MoreHi, I’m Jan Duchnowski, a Flutter and mobile-focused developer with 4+ years of experience delivering scalable apps built on clean architecture and SOLID principles. I en...
See MoreHello! I'm Mariia Putkova, a Frontend Developer with 2 years of experience building responsive, high-performance Vue 3 and React applications in Agile teams. I focus on p...
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I have strong experience creating mobile apps (mostly iOS), for various companies across US & UK. Both B2B and B2C apps for iPads and iPhones. I am taking care for gath...
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.
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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
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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
zł10,500 – zł28,000
Full possible range for a mid-level App Developer over 2–4 weeks
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