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Senior React Native Developer



We are looking for skillful Web Frontend Developers to join one of our polish teams working for US-based clients.

You will work (in the Polish time zone!) for one of our projects: Payments.ai, TrueWill, or Tentacle.

Our stack includes, first and foremost, React, Next.js, and sometimes TypeScript. We specialize in startups at their beginnings (MVP), which makes the job very diverse and challenging.

    • Required skills: at least 4 years of commercial experience in mobile app development of commercial experience in developing applications with React Native, JavaScript/TypeScript expert with extensive knowledge and expertise in modern frameworks and libraries, Skilled in and enthusiastic about React.js and React Native
    • Nice to have: web development experience, experience with Next.js, knowledge of Scrum and Agile methodologies, open-source contributions
    • Perks and Benefits: +6 000 PLN / year training budget, + 900 PLN / quarter for health insurance and sports, Mentoring Program, work on-site, hybrid or fully remote
    • B2B: + paid days off

About the role - Technical:

  • Is independent and responsible for their own code
  • Makes sure their code is written with best practices in mind and is clean and understandable for other developers
  • Is in direct connection with a designer to discuss implementation details
  • Is involved in the technical part of the product design, suggesting improvements
  • Takes ownership and leadership over driven solutions

Tools you’ll use:

  • Slack, GSuite
  • GitHub
  • Jira, Confluence, Miro
  • Apple MacBook Pro and... Nivona (best coffee machine ever!)

About the role - Non-Technical:

  • Cares about understanding the business domain of a product
  • Regularly communicates with the team to translate user stories into technical solutions and estimate them
  • Helps other developers in the company by sharing his knowledge and suggesting better solutions

We'll be happy to see that you:

  • Skilled in and enthusiastic about React.js and React Native
  • Experienced in mobile app development (4+ years)
  • Expert in state/data management libraries/tools (e.g., ContextAPI, Hookstate, others)
  • Have a good understanding of modern JavaScript and TypeScript, know about its pros and flaws, and follow best practices
  • Knowledge of testing frameworks (Jest/Testing Library/Detox/other)
  • Familiarity with debugging tools
  • Ability to work with Apple Developer Center and Google Play Store
  • Familiarity with iOS and Android capabilities and platforms' basic features, such as location services, push notifications, etc.
  • Experience in 3rd party services integration
  • Experience with Continuous Integration tools like Bitrise, GitHub Actions, or others
  • Experience in integrating Swift/Objective-C/Java/Kotlin libraries with React Native
  • Know how to work with REST APIs using modern tools (e.g., TanStack)
  • Want to expand your knowledge and experience and are willingly discovering and testing new libraries and tools
  • Like to work in small Agile scrum teams (2-6 developers). Speaks fluent English (B2+) to communicate with the team and understand clients

Great to have:

  • Experience in web development
  • Experience in Expo
  • Experience with the Next.js framework
  • Experience with Node.js and AWS cloud provider
  • Understanding what an MVP is and what to focus on when building it
  • Experience in mentoring younger developers or leading a technical team
Senior React Native Developer



Meaningful projects, top-notch experts and value-driven workplace

Sound good?
All positions

What's coming up next?


Step 1

Phone Screening
5-minutes organizational call

Step 2

Soft-skills interview with HR and polish-based COO
We will talk about MasterBorn, our Team, your experience and history :)

Step 3

Recruitment task (optional)
Complete a task so you can see a part of our work - live coding

Step 4

Technical interview with Senior Specialist
A technical conversation to get to know your skills better and learn about the scope of duties

Step 5

Feedback and quick decision
Decision and our feedback

Our offices are waiting for you in:

Wrocław, PL (HQ)

ul. Krupnicza 13, 50-075 Wrocław

Szczecin, PL

ul. Wielka Odrzańska 26, 70-535 Szczecin

Kielce, PL

ul. Gabrieli Zapolskiej 45B, 25-435 Kielce

Austin, U.S.

Austin, TX United States

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