Senior 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.

Salary: PLN 18.000 - 24.000 + VAT (B2B)
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Required skills: 4+ years of commercial experience in Node.js, SQL and NoSQL DBs, knowledge of backend frameworks (e.g Express.js, NestJS), experience in TypeScript, SOLID and KISS, knowledge about: design and architecture patterns, basic usage AWS services, basic dev-ops skills (Docker, GitHub Actions)

Offer: B2B, 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:  Budgets for self-development, integrations, healthcare & sport activities, Mentoring Program, Individual Career Path, Paid Time Off, Paid Health Break & more

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

Your future tasks and duties:
Writing readable, scalable and easy-to-maintain JS/TS code with OOP flavor

Writing clear documentation for delivered code and technical decisions

Being responsible for designing and modifying DB structures, including assessing long-term impact and trade-offs

Clearly communicating feasible technical solutions and proposing alternative approaches when needed

Supporting architecture decisions and the long-term technical direction of the project

Proactively identifying technical and product risks, scope changes and possible blockers

Maintaining continuous contact with the client and fostering a good relationship

Providing the client with possible options and solutions, along with necessary context in difficult or unclear situations

Being a natural leader in Backend - staying on top of trends/news, sharing them, teaching others and aiming for best quality solutions

Providing thoughtful peer code review and raising engineering standards across the team

About you - Tech skills & Experience:
4+ years of commercial experience in Node.js

Have deep knowledge of at least one Node.js backend framework (e.g. Express.js, NestJS, Fastify, etc.) - know APIs/functions/features and have used them in advanced, production-grade solutions

Proficient in designing, developing and maintaining high-performance, scalable and secure REST APIs, as well as familiar with GraphQL

Have usage experience with Docker - know how to prepare, debug and connect local environments

Worked within AWS stack - used S3, Cognito, SNS, SQS and other cloud services in production or production-like systems

Worked with SQL/NoSQL databases, both integration and design-wise, using ORM or query builder tools (e.g. Prisma, Knex)

Experienced with TypeScript

Experienced in designing and building AI-powered applications or features using existing AI/LLM tools, APIs, embeddings, vector search or prompt/context optimization

Use AI tools in daily engineering work to improve delivery, research, debugging, code quality and technical decision-making while understanding their limitations and risks

Able to connect technical decisions with product and business goals, proactively identify risks and propose scalable, maintainable solutions

About you - Soft Skills:
English level B2/C1 - to cooperate with American clients

Polish level C1 - to communicate easily within the team

Open-minded to new challenges (different frameworks, etc)

Understand the significance of MVP and prioritize the pursuit of excellence and high-quality outcomes, even amid tight project timelines.

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

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

Build and nurture strong client relationships.

Share your expertise with other team members.

Ability to adapt to various situations and requirements

Nice to have:
Knowledge of Scrum and Agile methodologies, open-source contributions, Serverless experience, experience in various BE frameworks

Worked in the very beginning of the product development/creation stage

Experience in designing application architecture and documenting it with Architectural Decision Record (ADR)

\n18,000 zł - 24,000 zł a month
Salary: PLN 18.000 - 24.000 + VAT (B2B)
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Meaningful projects, top-notch experts and value-driven workplace

Sound good?

Apply now!