Senior Fullstack Engineer

Senior Fullstack Developer (TypeScript / Node.js / React)

Location : Warsaw, Poland (Hybrid)

Type : Full-time

We are looking for a skilled Senior Fullstack Developer to join a high-performing and growing engineering team working on greenfield products in a modern, cloud-based environment. You will play a critical role in designing scalable systems, collaborating across products and engineering, and delivering impactful solutions that serve thousands of users globally.

This is an opportunity to work in a collaborative, fast-moving setup where your voice matters and your code shapes the future of next-generation digital products.

What You’ll Do

Design, develop, and deliver end-to-end solutions using modern technologies (TypeScript, Node.js, React).

Collaborate with cross-functional teams including product managers, architects, and other developers.

Participate in architectural discussions, design reviews, and code reviews.

Work on greenfield projects from the ground up, contributing to both frontend and backend logic.

Ensure code quality through testing (unit / integration / E2E), CI / CD practices, and peer reviews.

Contribute to a positive engineering culture, bringing curiosity and a growth mindset to the table.

Tech Stack

Languages : TypeScript, JavaScript

Frameworks & Tools : Node.js, React, Next.js, NestJS

Databases : PostgreSQL, SQL, NoSQL (nice to have)

DevOps & Cloud : Docker, CI / CD (GitHub Actions, GitLab CI), Kubernetes (optional), GCP

Testing : Cypress, Jest, or similar tools

Architecture : Microservices, REST APIs, GraphQL

What We’re Looking For

7+ years of professional experience in fullstack development with recent backend focus.

Strong command of TypeScript, Node.js, React, and relational databases like PostgreSQL.

Hands-on experience with cloud-native applications and CI / CD pipelines.

Ability to work independently and collaboratively in agile teams.

Experience in building scalable systems, preferably from scratch.

Excellent problem-solving skills and clear, structured communication.

A proactive mindset — someone who thrives in a dynamic, ownership-driven environment.

Nice to Have

Experience with Google Cloud Platform (GCP).

Familiarity with containerization and orchestration (Docker, Kubernetes).

Exposure to AI APIs (OpenAI, LangChain) or interest in integrating smart systems.