Middle Backend Developer (Node.js)

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 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 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!