Jobs › Companies › Masterborn › Middle Backend Developer (Node.js)

Über diese Middle Backend Developer (Node.js) Stelle bei Masterborn

Masterborn · Remote · Wrocław
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 10.000 - 18.000 + VAT (B2B)
  • 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, 
  • 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 readable, testable and easy-to-maintain JS/TS code with OOP flavor
  • Taking ownership of backend features from understanding requirements through implementation, testing and deployment
  • Writing documentation for delivered code and technical decisions
  • Code review of other developers in the team, including constructive feedback and knowledge sharing
  • Direct involvement with the design and modification of basic DB structures and API contracts
  • Propose pragmatic improvements and proactive ideas/solutions to enhance the product and team’s work processes
  • Share insights with the team to diagnose issues, communicate risks and focus on solutions
  • Actively participate in project discussions, refinements and technical decision-making
  • Listen to the client's needs and, after consulting the team, suggest practical solutions
  • Support less experienced team members through code review, explanations and pair programming
    Use AI tools responsibly in daily work, verifying and adapting results to production standards
  • About you - Tech skills & Experience:

  • 2+ years of commercial experience in Node.js
  • Good experience with at least one Node.js backend framework (e.g. Express.js, NestJS, Fastify, etc) - you know most of its basic APIs/features, worked on at least 1-2 projects involving such technologies
  • Strong proficiency in TypeScript. You have practical experience with static typing, advanced types, and configuring TS compilers, treating it as your primary language to build robust and type-safe backend applications
  • Potentially worked with NoSQL databases and/or in-memory databases and utilized them as a data store
  • Worked with SQL databases (integration-wise and as a basic design skill) with ORM or query builder tool (ie. Prisma, Knex)
  • Understands how AI/LLMs work in practice (context, prompts, limitations) and has hands-on experience contributing to AI-powered backend features (e.g. integrating LLM APIs, basic RAG flows, or simple agent-style workflows)
  • Integrates AI seamlessly into daily development workflow - uses it for prototyping, boilerplate, and tests, while always verifying and adapting output to production-quality standards
  • About you - Soft Skills:

  • English level B2 to cooperate with American clients
  • Polish level C1 to communicate easily within the team
  • Open-minded to new challenges (e.g. different frameworks)
  • Understand the significance of MVP and prioritize the pursuit of excellence and high-quality outcomes, even amid tight project timelines.
  • Communicate with the team to efficiently translate business complexities (user stories/tasks) into solutions (results/estimations)
  • Staying on top with trends/news, sharing them, teaching others and aiming for the best quality solutions
  • Strong problem-solving abilities to diagnose issues, suggest solutions, and make decisions based on project requirements.
  • Nice to have:

  • Worked in Agile/Scrum on a daily basis consisting of people with similar skills and monitoring code quality on a daily basis
  • Basic experience with AWS - used some services in specific cases
  • Basic experience with Docker - know how to prepare and debug the environment and connect things up to work locally
  • Worked in the very beginning of the product development/creation stage
  • Understand the significance of MVP and aim to deliver top-notch results, even amid tight project timelines
  • Recruitment Process:

  • CV Review
  • Phone call with our Recruiter (15min)
  • Soft-skills interview with our Recruiter (45 min)
  • Technical interview with our Senior Specialists (1,5h)
  • Decision and feedback 🥳

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