Junior Backend Developer (Node.js)

Remote
Remote

Software Engineering · Full-time, Contractor

Posted on Nov 6, 2026

We are looking for a skillful Backend 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.

Contract summary:

  • Rate: PLN 6.000 - 10.000 + VAT (B2B); PLN 6.000 - 8.300 brutto (UZL)

  • Contract: B2B/UZL, paid days off, 100% remote (or hybrid/onsite - as you prefer), Polish time zone, Europe-based, flexible hours, full-time position, long-term contract, Scrum Teams and more

  • Perks and Benefits: 3,000 PLN annual training budget, Multisport, Luxmed, Cafeteria Platform, Tech-talks, Learning sessions, and more

  • Tools you’ll use: Apple MacBook Pro, Slack, GSuite, GitHub, Jira, Coda, FigJam, Claude Code

Your future tasks:

  • Writing personal-best possible JS/TS code with OOP flavour

  • Technical involvement in the product - finding ways to improve it

  • Writing documentation for delivered code

  • Peer code review

  • Reuse and improve the company knowledge base

  • Communicate with the team to efficiently translate business complexity (user stories/tasks) into solutions (end results/estimations)

  • Learning, learning and learning ;)

About you - Tech skills & Experience:

  • At least 6-12 months of commercial experience with Node.js

  • Understand basic JS concepts (ES 2018+), use Classes, and follow recent additions/functionalities

  • Basic experience with at least one Node.js backend framework (e.g. Express.js, NestJS, Fastify, etc) - know basic APIs/features, worked on at least 1 project involving such technologies, would be great to have commercial experience in it

  • Know what OOP is, understand basic good practices and data structures, want to have a SOLID and DRY code with the use of design patterns

  • Have worked with SQL database (integration wise) with ORM or query builder tool (ie. Prisma, Knex)

  • Know how to use AI, but understands the consequences of its use and can independently write code without its support

About you - Soft Skills:

  • English level B2/C1 to cooperate with American clients

  • Polish level C1 to communicate easily within the team

  • Knowledge-hungry, positive attitude

  • Effective communication - crucial for seeking feedback and understanding others' perspectives

  • Open-minded to new ideas, perspectives, and feedback from experienced colleagues

  • Being open to change and adapting to different situations

  • Being aware of your strengths, weaknesses, and areas for improvements

  • Enthusiastic for learning and taking on challenges

  • Actively seeking solutions and trying to figure things out on your own, but not being afraid to ask for help when needed

Nice to have:

  • Open-source contributions

  • Experience in TypeScript and various BE frameworks

  • Understand what Agile/Scrum is and want to work as a team towards one goal

  • Understand the significance of MVP and aim to deliver top-notch results, even amid tight project timelines

  • Know what AWS is and gets why is it used

  • Serverless experience

  • Know how to run Docker images and how to use them

Recruitment Process:

  • CV Review

  • Phone call with our Recruiter (15min)

  • Technical task (3h)

  • Soft-skills interview with our Recruiter (30min)

  • Technical interview with our Specialist (1,5h)

  • Decision and feedback 🥳