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Hire expert App Developers in Poland

Post a project and get matched with App Developers in Poland. Matched in 24 hours. No agency fees.

1
Post your project
Takes 3 minutes
2
Meet your expert
Within 24 hours
3
Launch your project
Flexible payment options
+14k more App Developers on Twine
ANDRIY H.
App Developer
★★★★★ 5.0
SolisByte
App Developer
★★★★★ 5.0
Jakub S.
App Developer
★★★★★ 5.0

Trusted by 10,000+ companies of all sizes

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Meet the experts behind high growth companies.

Every App Developer's portfolio and application is manually reviewed by our Customer Success team. You only see vetted matches.

Available
App Developer

Hi there! I'm Vadzim Tsupryk, a frontend and Shopify-focused developer with 11+ years of professional experience. I specialize in building robust, scalable web apps and S...

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Available
App Developer

Currently working as a WordPress Developer, collaborating with a broad spectrum of clients to create high-performing websites and e-commerce platforms. Core competencies ...

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Available
App Developer

Senior Full-Stack Developer with 10+ years of experience building scalable web applications and backend APIs using React, Next.js, TypeScript, and Node.js. I specialize i...

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Available
App Developer

I am an Android Developer with experience building and maintaining Kotlin-based applications that boast 1M+ installs in production. I prioritize Clean Architecture and MV...

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Available
App Developer

Computer Science graduate and software development intern with experience across QA testing, web development (React/Node/Django), and Python automation. I enjoy building ...

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Available
App Developer

Branding, Leadership, SEO Copywriting

An aviation graduate with a strong background in digital marketing and project management. I have practical skills in creating digital products (my own JUTRAVEL app) and ...

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Available
App Developer

Hi, I'm Michał Bartnik, a Flutter-focused mobile software developer with a strong background in cross-platform applications (Android and iOS). I enjoy building scalable, ...

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Available
App Developer

Senior Flutter developer with 7+ years of experience building fast, scalable, and user-friendly mobile applications for Android and iOS. I specialize in enterprise-grade ...

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Available
App Developer

API, App Design, iOS

I'm an experienced App Developer based in Warsaw, Poland. I specialise in API, App Design, and iOS and enjoy helping teams turn ideas into polished work.

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We have over 14,500 App Developers who've worked in many different industries and cover various styles and skillsets.

Start your search

What companies hire App Developers for

Projects that brands and startups post most often.

MVP build

End-to-end build of a v1 product: front-end, back-end, and deployment.

Build your MVP

AI feature integration

Add LLM-powered features to your product, copilots, semantic search, or summarisation.

Integrate AI

Mobile app

React Native or Flutter app for iOS and Android from your existing spec.

Build your app

Browse related App Developer roles in Poland

Development specialisms and the cross-functional roles you'll often hire alongside.

Choose your city

See which of Twine's top rated App Developers are near you

Or widen your search to global App Developers

Reviews

Trusted by companies around the world

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

5 star reviews

Clients Rate Twine App Developers 4.97 / 5.0

on average across 917 reviews

How it works

  1. 1

    Post your project

    3–5 minutes. Tell us about your project, your timeline, and how you want experts to contact you.

  2. 2

    Meet your expert

    Within 24 hours, you'll see a shortlist of vetted App Developers matched to your project.

  3. 3

    Launch your project

    Flexible payments on your terms, bill experts directly or use the Twine vault for added security.

How pricing works on Twine

Transparent rates, no hidden markup, and a payment path for every need.

The quote is the number.Nothing added on top.

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.

No hidden markup

Pay direct.0% commission.

Prefer your own payment flow? Pay your expert outside Twine, incurring no commission fees. Most useful for ongoing or trusted relationships.

0% off-platform payments

Pay via Vault.Your money is protected.

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.

10% up to $10k · 5% over $10k

Estimate your budget

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.

Your project

Mid-level (3–5 yrs)
2–4 weeks

Estimates only. Actual budget is set by you and agreed with your expert before any work begins.

ESTIMATED RANGE

zł10,500 zł28,000

How we got here

  • Mid-level day rate: ~zł1,025–zł1,390/day
  • 2–4 weeks = 10–20 working days
  • Range: zł10,500–zł28,000

Twine vs. the alternatives

Frequently asked questions

Common questions answered before you post a project.

An App Developer is a professional responsible for designing, coding, and maintaining applications for mobile devices and computers. They typically work with various programming languages such as Swift, Java, and Kotlin to create user-friendly interfaces and robust functionality. App Developers collaborate with designers, product managers, and other stakeholders to ensure that the final product meets user needs and business objectives. They also conduct testing and debugging to resolve any issues, ensuring a seamless user experience. Additionally, App Developers stay updated with industry trends and emerging technologies to enhance their skills and adapt applications to new platforms and devices.

Hiring an App Developer in Poland involves several key steps. Start by defining your project requirements, including the app’s purpose, target audience, and desired features. Next, create a detailed job description outlining these requirements and the necessary skills. You can post this job on various platforms, including Twine, which specializes in connecting clients with freelancers. Additionally, networking within the tech community in Poland or using specialized recruitment agencies can help you find suitable candidates. Review portfolios and conduct interviews to assess their skills, experience, and cultural fit before making your decision.

The cost to hire an App Developer in Poland varies based on experience levels. Here’s a breakdown of expected rates:

  • Beginner: 50 - 75 PLN per hour
  • Junior: 75 - 150 PLN per hour
  • Mid-level (Industry Average): 150 - 250 PLN per hour
  • Senior: 250 - 400 PLN per hour
  • Expert: 400 - 600 PLN per hour

These rates can fluctuate based on the complexity of the project and the developer's expertise.

Exceptional App Developers possess a combination of technical skills, creativity, and effective communication abilities. They are proficient in various programming languages and frameworks, enabling them to create innovative solutions. Strong problem-solving skills are essential, as they must troubleshoot issues efficiently. Additionally, great App Developers are detail-oriented, ensuring that their code is clean and maintainable. They also demonstrate adaptability, staying current with industry trends and technologies. Beyond technical skills, effective communication is crucial for understanding client needs and collaborating with team members, making them valuable assets to any project.

To recognize the perfect App Developer for your needs in Poland, start by reviewing their portfolio. Look for projects that align with your requirements and industry. Evaluate their technical skills through coding tests or technical interviews to ensure proficiency in relevant languages and frameworks. Consider their experience level and background, paying attention to any specific expertise in mobile or web applications. Additionally, assess their communication style and cultural fit by conducting interviews, as these factors influence collaboration. Finally, check references or client reviews to gain insights into their work ethic and reliability.

When interviewing an App Developer, ask key questions to assess their skills and fit. Consider the following:

  • What programming languages and frameworks are you proficient in?
  • Can you describe your experience with similar projects?
  • How do you approach troubleshooting and debugging?
  • What is your process for ensuring quality in your code?
  • How do you stay updated with industry trends and technologies?
  • Can you provide examples of how you've collaborated with teams or clients?

These questions will help you gauge their technical expertise, problem-solving abilities, and communication skills.

Hiring a freelance App Developer typically offers more flexibility and potentially lower costs compared to working with an agency. Freelancers often have specific expertise and can be more responsive to individual project needs. However, agencies provide a broader range of services, including project management and access to a team of developers with diverse skills. This can be beneficial for larger projects requiring varied expertise. Additionally, agencies usually have established processes and quality controls in place, providing a more structured approach. Ultimately, the choice depends on your project's scope, budget, and desired level of involvement.

An effective project brief or job description for an App Developer should include several key components:

  • Project Overview: A brief description of the app's purpose and target audience.
  • Key Features: Highlight essential functionalities and any unique aspects.
  • Technical Requirements: Specify programming languages, frameworks, and platforms.
  • Timeline: Outline project milestones and deadlines.
  • Budget: Provide an estimated budget for the project.
  • Qualifications: List required skills and experience levels.
  • Application Process: Explain how candidates should apply and any materials needed.

Including these elements ensures clarity and helps attract suitable candidates.

Hiring on Twine is simple.

  1. Post a job with your project details, timeline, and budget.
  2. Browse portfolios of vetted App Developers and invite those who match your needs.
  3. Receive proposals and compare experience, pricing, and reviews.
  4. Communicate expectations, set milestones, and finalize the hire.
  5. Securely pay through Twine, ensuring protection for both parties. Twine connects you with top freelance App Developers, making it easy to find the perfect creative professional for your project.

Ready to hire your next App Developer?

Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.

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