You can check my website here: https://hana-dev.vercel.app/ Hi, I'm Hana, a mid-level app developer with 3+ years of experience in mobile and cross-platform development,...
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You can check my website here: https://hana-dev.vercel.app/ Hi, I'm Hana, a mid-level app developer with 3+ years of experience in mobile and cross-platform development,...
See MoreHi, I'm Filip Simić, a full-stack developer based in Maribor, Slovenia. I design and build robust web applications using Angular, NestJS, Node.js, and cloud services (AWS...
See MoreI’m a developer specializing in Flutter development for cross-platform mobile and web applications. Based in Slovenia, I have a strong background in creating efficient, s...
See MoreI'm Mehmet Ali Sezgin, a 6-year IT professional specializing in AI testing and test automation. I have a strong foundation in SDLC and STLC and a passion for AI-driven te...
See MoreI am a Senior Frontend Developer with a passion for creating user-centric interfaces. My experience spans across designing and building scalable web applications. I thriv...
See MoreSoftware Developer in R&D and PhD researcher in Computer and Information Science, with a strong focus on distributed and privacy-preserving edge intelligence for smart en...
See MoreI am a full-stack developer with 10+ years of experience delivering web and mobile applications as a freelancer and in teams. I am committed to best practices but pragmat...
See MoreHello! I'm Nikola Glavonjic, a Front-End Developer with 6+ years of commercial experience specializing in React, Next.js and TypeScript. I enjoy crafting clean, fast and ...
See MoreHi, I'm Adam Maran, a software developer specializing in cross-platform mobile and web apps with Flutter and Dart. I enjoy taking ideas from concept to production, coveri...
See MoreI am a game developer at a public institute with extensive experience in XR (Extended Reality) technologies. I have developed a variety of XR applications independently a...
See MoreHi, I’m Amadej Jerlah, a Slovenian software developer who mostly works with Flutter. I usually lead the projects I’m on, from setting them up to shipping, often working s...
See MoreHi, I’m Sreedev. I’m a motivated and adaptable postgraduate student currently pursuing a Master’s in Cybersecurity in Novo mesto, Slovenia. I come from India with a backg...
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
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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.
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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.
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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
€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 designs, creates, and maintains applications for various platforms, including mobile devices and desktops. They are responsible for writing code, debugging, and ensuring the functionality and performance of the application. App Developers collaborate with designers, product managers, and stakeholders to understand user requirements and translate them into technical specifications. Their work involves using programming languages like Swift, Java, or Kotlin, and they often focus on user experience (UX) and user interface (UI) to create intuitive applications. Additionally, they may conduct testing and troubleshooting to ensure a seamless experience for users.
Exceptional App Developers possess a unique blend of technical skills and soft skills that set them apart. Key qualities include:
These qualities not only enhance their technical capabilities but also contribute to successful project outcomes.
Typical day rates for App Developers in Slovenia 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 in Slovenia, start by assessing their portfolio for relevant experience and successful projects similar to yours. Look for developers with a strong understanding of your industry and a track record of meeting deadlines. During interviews, ask about their approach to problem-solving and project management. Additionally, consider their communication style and responsiveness, as these factors can significantly impact collaboration. Request references or testimonials from previous clients to gauge their reliability and work ethic. Ultimately, choose a developer who demonstrates both technical expertise and a genuine interest in your project's success.
When interviewing App Developers, consider asking the following key questions:
These questions will help you understand their technical skills, problem-solving abilities, and overall approach to app development.
Hiring an App Developer in Slovenia involves several steps to ensure you find the right fit for your project. Start by defining your project requirements, including the app's purpose, features, and target audience. Next, create a detailed job posting that outlines these requirements, along with your budget and timeline. Utilize talent marketplaces like Twine to access a wide pool of vetted App Developers. Review portfolios and profiles, focusing on experience and specialization relevant to your project. Finally, conduct interviews to assess technical skills, communication abilities, and cultural fit before making your final decision.
Hiring a freelance App Developer versus working with an agency in Slovenia offers distinct advantages and disadvantages. Freelancers often provide more flexibility and lower costs, allowing for personalized attention and direct communication. They can be ideal for smaller projects or specific tasks. Conversely, agencies typically have a team of professionals with diverse skill sets, enabling them to handle larger, more complex projects efficiently. Agencies also offer more structured processes and support, which can be beneficial for ongoing projects. Ultimately, the choice depends on your project's scope, budget, and specific needs.
An effective project brief for hiring an App Developer should include the following elements:
Providing comprehensive details in your brief will help you attract qualified candidates who understand your vision.
Hiring on Twine is simple.
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