Junior Frontend Developer (React.js)

MasterBorn; Wrocław; Hybrid; PLN 67,000 - 100,000; Full time

Benefits offered by this job

Multisport

Luxmed

Learning Sessions

Education Budget

Job summary

MasterBorn is seeking a Web Frontend Developer to join our React/TypeScript team working with US clients. You’ll build responsive UI, collaborate in Scrum, and expand toward full-stack skills.

The role offers 100% remote (or hybrid/onsite), Polish time zone, flexible hours, and long-term contract on B2B or UZL terms. Requires 1 year of web dev experience and a strong JS/TS foundation.

Qualifications

• 1 year of commercial experience in 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

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 - grow into full-stack generalist
• 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

Skills

JavaScript fundamentals

TypeScript

React.js

REST API

Build tools

AI coding assistants

Tools

GitHub

Jira

Slack

GSuite

Coda

FigJam

Job description

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)

Offer summary:

• Required skills: 1 year of commercial experience within web development, understanding of basic JS concepts, TypeScript, basic experience with React.js, knowledge hungry
• 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
• Tools you’ll use: Apple MacBook Pro, Slack, GSuite, GitHub, Jira, Coda, FigJam

Your future tasks:

• 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

About you - Tech skills & Experience:

• 1 year of commercial experience in 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

About you - 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)

6,000 zł - 9,000 zł a month

Salary: PLN 6.000 - 9.000 + VAT (B2B); PLN 6.000 - 7.400 brutto (UZL)

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?