
Junior Frontend Developer (React.js)
Primary stack
Nice to have's
Job description
About the Position
Junior Frontend Developer (React.js)
Wrocław or remotely
We are looking for a skillful Web Frontend Developer to join one of our teams working with US clients - referrals from the high-end American IT market.
Our tech stack is built around React, Node.js, and TypeScript. We are working with well-established companies and sometimes startups in their early stages (MVPs), which makes the job full of diversity and exciting challenges while crafting cutting-edge solutions.
Enjoy the flexibility of working within the Polish time zone and collaborate with clients from diverse industries such as FinTech, SportsTech, MedTech, and many others.
Salary: PLN 6.000 - 9.000 + VAT (B2B); PLN 6.000 - 7.400 brutto (UZL)
Responsibilities
- Develop and maintain React.js applications
- Implement responsive interfaces with attention to design details and user experience
- Write clean, maintainable code following team standards
- Participate in code reviews - giving and receiving feedback constructively
- Expand beyond frontend into backend work - in the AI era, we're growing frontend engineers into full-stack generalists
- Collaborate with designers, developers, QA, and product owners to deliver features
- Document your work and contribute to team knowledge base
- Continuously expand technical skills with mentor support
Requirements
-
Required skills:
- 1 year of commercial experience within web development
- Strong JavaScript fundamentals and TypeScript knowledge
- Hands-on experience with React.js ecosystem (hooks, state management)
- REST API integration and basic build tools configuration
- Uses AI coding assistants for learning, exploration, and productivity while critically evaluating outputs
-
Soft skills:
- Genuine interest in understanding user needs and the business value of your work
- Proactive in communication - shares progress and asks for help when needed
- Embraces feedback as learning opportunities and comfortable admitting knowledge gaps
- Open-minded about learning new frameworks and technologies
- Interest in backend technologies and aspiration towards fullstack development
- Comfortable working in Agile/Scrum environments
- English B2+ for international collaboration
- Polish C1 for daily team communication
- Ready to work closely with mentors while gradually building independence
Nice to Have
- Modern meta-frameworks (for example: TanStack Start, Next.js, Remix, SvelteKit)
- Cloud services understanding (AWS, serverless)
- Docker basics, CI/CD pipelines
- Testing frameworks (Jest, React Testing Library)
We Offer
- B2B/UZL
- Paid days off
- 100% remote (or hybrid/onsite - as you prefer)
- Polish time zone
- Flexible hours
- Full-time position
- Long-term contract
- Scrum Teams
- Perks and Benefits: Multisport, Luxmed, Learning Sessions, Education Budget & more
About the Company
Recruitment Process:
- CV Review
- Phone call with our Recruiter (15min)
- Technical task (4h)
- Soft-skills interview with our Recruiter (1h)
- Technical interview with our Specialists (2h)
- Decision and feedback 🥳
Meaningful projects, top-notch experts and value-driven workplace
Sound good?
Apply now!
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
© MasterBorn. This job description was sourced from the employer's public career page. TheJob is not the employer — we index the posting and route candidates to the source. All content rights and hiring decisions belong to the employer.
We bring speed and scale to fast growing teams.Our teams of top software engineers augment existing dev teams or take on fully contained projects.We offer world-class Backend (node.js), Frontend (React) and DevOps support for growing businesses.We are committed to top quality work and demand the cleanest possible code. Companies in the U.S. trust us to deliver high quality work.
More at MasterBorn
All 11 roles
Junior QA Specialist
MasterBorn · Wrocław

Intern Integration Consultant
MasterBorn · Wrocław

Middle Backend Developer (Node.js)
MasterBorn · Wrocław

Junior Product Owner
MasterBorn · Wrocław