Middle Backend Developer (Node.js)

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 10.000 - 16.000 + VAT (B2B)

Writing readable and easy-to-maintain JS/TS code with OOP flavor

Writing documentation for delivered code

Code review of other developers in the team

Direct involvement with the design and modification of basic DB structures

Propose improvements and share proactive ideas/solutions with the team to enhance the team's work processes

Share insights with the team to diagnose issues and focus on solutions
Actively participate in project discussions

Listen to the client's needs and, after consulting the team, suggest solutions

Support less experienced team members

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)

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

Use AI effectively in their work

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.