Senior backend-leaning full-stack engineer with strong experience in Python, TypeScript, APIs, distributed systems, and cloud infrastructure. I build scalable backend ser...
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Senior backend-leaning full-stack engineer with strong experience in Python, TypeScript, APIs, distributed systems, and cloud infrastructure. I build scalable backend ser...
See MoreI'm a software engineer with 17+ years of experience, specialized in backend systems. I get inspired from Clean Architecture and CQRS concepts, and of course SOLID/DRY/KI...
See MoreI'm Alexander Suhhin, a Senior Fullstack Engineer with 20+ years of experience building secure, high-performance backend systems and cloud-native platforms. I design robu...
See MoreI have over ten years of experience on different software projects, programming languages, frameworks and technologies. While I avoid relying on AI tools to write code fo...
See MorePassionate and results-driven game developer with a knack for crafting fun, highly replayable experiences. I specialize in multiplayer titles, with a proven track record ...
See MoreI’m Maria Filippova, a Flutter and Front-End Developer based in Tallinn, Estonia. I recently earned a Bachelor’s degree in Information Technology & Design, where I focuse...
See Morehello i'm passionate frontend developer on react.js i'd be glad to be a part of your team
See MoreI'm Oliver Soop, a Senior Software Engineer at Blue Jay, currently part of a team delivering healthcare CHRS systems and medication/ordering modules built on Smile CDR FH...
See MoreI'm a passionate Software Quality Engineering Expert with a decade of experience, specializing in Test Automation and recognized as a Cypress Ambassador. I build robust a...
See MoreI’m Mario, a telecommunications engineer turned frontend developer with 13 years of hands-on experience crafting robust, user-friendly web interfaces. I enjoy turning com...
See MoreI’m a passionate software developer with hands-on experience in commercial development and a focus on building scalable, user-friendly products. I’ve contributed to cross...
See MoreI'm Lauri Hanstin, a Full-Stack Developer based in Tallinn, with 2 years of training in Java (Spring Boot), JavaScript (Node.js), TypeScript and React. I have 9 years of ...
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

Clients Rate Twine App Developers 4.97 / 5.0
on average across 917 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
€2,400 – €6,500
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 a skilled professional who specializes in creating software applications for mobile devices and computers. They are responsible for designing, coding, testing, and maintaining applications that meet user needs. App Developers collaborate with clients and project managers to gather requirements and determine the best approach for app functionality and design. They stay updated on the latest technologies and programming languages to implement features that enhance user experience. Additionally, App Developers troubleshoot issues and optimize performance, ensuring the app runs smoothly across various platforms and devices.
Exceptional App Developers possess a unique blend of technical skills, creativity, and strong communication abilities. They are proficient in multiple programming languages and frameworks, enabling them to develop versatile applications. These developers excel in problem-solving, quickly identifying and resolving issues that arise during development. A keen eye for detail ensures their code is clean and efficient. Additionally, they are adaptable, staying updated with industry trends and technologies. Strong interpersonal skills enable them to collaborate effectively with clients and team members, ensuring projects align with user expectations.
Typical day rates for App Developers in Estonia 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.
To recognize the perfect App Developer for your needs, begin by reviewing their portfolio to evaluate their previous work and relevant experience. Assess their technical skills through specific questions or coding challenges related to your project. Communication style is also crucial; ensure the developer can clearly articulate ideas and understand your requirements. Look for positive client testimonials or reviews that highlight their professionalism and reliability. Finally, gauge their passion for technology and willingness to adapt, as these traits often indicate a commitment to delivering high-quality work.
When interviewing an App Developer, consider asking the following key questions:
Hiring an App Developer in Estonia involves a few strategic steps. First, clearly define your project requirements, including the scope, timeline, and budget. Next, utilize platforms like Twine to post your job and attract qualified candidates. Review applicants' profiles, focusing on their experience, technical skills, and portfolio. Conduct interviews to assess their problem-solving abilities and communication skills. Finally, ensure you discuss contract terms, including payment structure and deadlines, to align expectations before making a hire.
Hiring a freelance App Developer offers flexibility and often lower costs compared to working with an agency. Freelancers typically provide personalized attention and may adapt quickly to changes in project scope. However, agencies often have a broader skill set, providing a team of professionals with diverse expertise, which can be beneficial for larger projects. Agencies usually have established processes and project management systems in place, ensuring consistent communication and delivery. Ultimately, the choice depends on your project's size, complexity, and your preference for hands-on management versus a structured approach.
A comprehensive App Developer project brief should include the following elements:
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