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Junior Backend Developer (Node.js)

Company:
MasterBorn
Location:
Wroclaw, Lower Silesian Voivodeship, Poland
Posted:
October 03, 2025
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Description:

We are looking for skillful Backend Developers 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 - 10.000 + VAT (B2B); PLN 6.000 - 8.300 brutto (UZL)

Offer

Required skills: At least 1 year of commercial experience with Node.js, knowledge-hungry, understand basic JS concepts (ES 2018+), basic experience with at least one Node.js backend framework (e.g Express.js, NestJS), understaning of SOLID & DRY, English B2, Polish C1

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: budget for health insurance and sports, Mentoring Program, individual Career Path, and more

Tools you’ll use: Apple MacBook Pro, Slack, GSuite, GitHub, Jira, Coda, Miro

Your future tasks and duties:

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 1 year 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

Know the basics of building AI applications (RAG, Agents, etc.)

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

Full-Time

Meaningful projects, top-notch experts and value-driven workplace Sound good? Apply now!

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