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Middle Frontend Developer (React.js)



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 2 years of commercial experience with React.js, a good understanding of modern JS, and easily adapts to new technologies (tools and libraries)
    • Nice to have: experience with Next.js framework and TypeScript, knowledge of Scrum and Agile methodologies, open-source contributions
    • Perks and Benefits: +6 000 PLN / year training budget, + 1500 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

Tools you’ll use:

  • Slack, GSuite
  • GitHub
  • Jira, Confluence, Miro
  • Apple MacBook Pro, Kindle 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 sharing his knowledge and suggesting better solutions

We'll be happy to see that you:

  • Have a good understanding of modern JavaScript, know about its pros and flaws, and follow best practices
  • Have a vast experience with React, and have used it to build complex dashboards, or custom solutions in the past
  • Have used and configured Webpack, Babel or similar tools
  • Have experience in testing React applications
  • Know how to work with REST APIs using modern tools (e.g. React Query)
  • Want to expand your knowledge, experience and is willingly discovering and testing new front-end libraries and tools
  • Like to work in small Agile scrum teams (3-5 developers)
  • Speaks fluent English (B2+) to communicate with the team and understand clients

Great to have:

  • Experience with Next.js framework, TypeScript and Docker Containers
  • Understanding of what an MVP is and what to focus on when building it.
Middle Frontend Developer (React.js)



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

Sound good?
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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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