Senior / Architect Node.js Developer (AWS) @ RemoDevs

RemoDevs; Warszawa; Remote; PLN 180,000 - 240,000; Full time

Job summary

A fitness software startup in Warszawa is seeking a Senior / Architect Node.js Developer to lead backend development. You will work with APIs and scalable systems, ensuring code quality and mentoring other developers. Ideal candidates have over 7 years of backend experience, expertise in Node.js and AWS, and are fluent in English. The role offers a remote work setup and a collaborative startup culture.

Benefits

Private medical care

Sports card

Supportive startup culture

Qualifications

• 7+ years of backend development experience.
• Expert knowledge Node.js + TypeScript.
• Expert knowledge of AWS for backend development.

Responsibilities

• Lead the design and implementation of server-side logic and APIs.
• Guide integration with gym management systems.
• Ensure clean, tested, and reliable code across the platform.

Skills

Backend development

Node.js

TypeScript

AWS

SQL databases

English fluency

Job description

Senior / Architect Node.js Developer (AWS) @ RemoDevs
Warszawa
Warsaw, Masovian Voivodeship, Polska

We are a growing fitness startup building sales software for gyms. Our mission is to help gyms increase revenue by making it easier for staff to connect with their customers.

About the Role

You will lead the backend development from the ground up, working with APIs, integrations, and scalable systems. This role includes close collaboration with clients and the team to ensure the product is reliable, maintainable, and high-performing.

What You’ll Do

• Lead the design and implementation of server‑side logic and APIs.
• Guide integration with gym management systems.
• Ensure clean, tested, and reliable code across the platform.
• Mentor developers and share best practices for architecture and coding.
• Collaborate with the team to build responsive, cost‑effective solutions.
• Occasionally travel in Europe to learn from gym staff workflows.

What We’re Looking For

• 7+ years of backend development experience
• Expert knowledge Node.js + TypeScript
• Expert knowledge of AWS for backend development
• Strong experience with SQL databases (ideally PostgreSQL + Prisma)
• Proven ability to design scalable, maintainable backend systems
• Strong testing and code quality mindset
• Fluent English

Nice to Have

• Serverless architecture experience
• GraphQL APIs
• Passion for fitness or regular sports practice

Why Join Us

• Remote work setup
• Private medical care
• Sports card
• Supportive, collaborative startup culture