Junior Node.js Backend Developer Role

last updated April 9, 2026 15:57 UTC

MasterBorn

HQ: Hybrid

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We are seeking talented Backend Developers to join one of our teams collaborating with US-based clients—referrals from the top tier of the American IT market.
Our tech stack centers on React, Node.js, and TypeScript. We work with both established companies and early‑stage startups (MVPs), offering a diverse range of exciting challenges while delivering cutting‑edge solutions.

Enjoy the flexibility of working in the Polish time zone while partnering with clients across various industries, including FinTech, SportsTech, MedTech, and more.

Salary: PLN 6,000–10,000 + VAT (B2B); PLN 6,000–8,300 gross (UZL)

Required skills: 6–12 months of commercial Node.js experience, strong desire to learn, understanding of core JavaScript concepts (ES 2018+), basic experience with at least one Node.js backend framework (such as Express.js or NestJS), familiarity with SOLID and DRY principles, English at B2 level, Polish at C1 level
Offer: B2B/UZL, paid time off, fully remote or optional hybrid/onsite work, Polish time zone, flexible hours, full-time, long-term contract, Scrum teams
Benefits: health and sports budget, mentoring program, personalized career path, and more
Tools: MacBook Pro, Slack, GSuite, GitHub, Jira, Coda, Miro

Your responsibilities:
• Write high‑quality JS/TS code with an OOP approach
• Participate in product development and propose improvements
• Create documentation for completed work
• Conduct peer code reviews
• Reuse and enhance internal knowledge resources
• Collaborate with the team to translate business requirements into effective solutions and estimates
• Keep learning continuously

Your tech profile:
• 6–12 months of commercial Node.js experience
• Understanding of modern JavaScript (ES 2018+), including classes and new features
• Basic familiarity with a Node.js backend framework (Express.js, NestJS, Fastify, etc.) and experience in at least one project using it
• Knowledge of OOP, good practices, data structures, and design patterns, aiming for SOLID and DRY code
• Experience integrating SQL databases using ORM or query builders (Prisma, Knex)
• Ability to use AI responsibly, while still being capable of writing code independently

Your soft skills:
• English B2/C1 for working with US clients
• Polish C1 for internal communication
• Curiosity and a positive mindset
• Strong communication skills and openness to feedback
• Receptiveness to new ideas and perspectives
• Adaptability and willingness to adjust to changing situations
• Self-awareness regarding strengths and areas for growth
• Motivation to learn and take on challenges
• Proactive problem-solving and willingness to ask for help when needed

Nice to have:
• Open-source contributions
• Experience with TypeScript and multiple backend frameworks
• Understanding of Agile/Scrum and desire to work collaboratively
• Understanding of MVP principles and commitment to delivering high‑quality results under tight deadlines
• Basic knowledge of AWS
• Serverless experience
• Ability to run and work with Docker images

Salary: PLN 6,000–10,000 per month
B2B: PLN 6,000–10,000 + VAT
UZL: PLN 6,000–8,300 gross

Recruitment process:
1. CV screening by HR
2. HR phone call (15 minutes)
3. Recruitment task (3 hours)
4. Soft‑skills interview with HR (1 hour)
5. Technical interview with specialists (2 hours)
6. Final decision and feedback

Meaningful projects, top experts, and a value‑driven workplace.
Sound interesting?
Apply now!

Apply info ->

To find out more about this job, please visit this link

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