Senior Fullstack Developer (Next.js / TypeScript)

Role Description

Senior Fullstack Developer (Next.js / TypeScript) will join an in-house engineering team to shape and deliver scalable web applications. You will own end-to-end development tasks, from designing API routes and server components to integrating data through REST and GraphQL endpoints. This position demands a seasoned engineer who thrives on solving complex backend and frontend challenges using Next.js, Node.js and serverless architectures on Vercel.

Your key responsibilities include:
* Architecting and implementing Next.js applications with API Routes, Server Components and Server Actions;
* Developing and maintaining serverless functions using Node.js, optimizing response times and scalability;
* Integrating third-party services via REST and GraphQL APIs, ensuring secure and efficient data exchange;
* Setting up CI/CD pipelines and automating deployment workflows in Vercel;
* Containerizing microservices and supporting Docker environments for consistent development and production stages;
* Collaborating closely with cross-functional teams—UI/UX designers, QA engineers and product managers—to deliver high-quality features;
* Conducting code reviews, mentoring juniors, and driving best practices in TypeScript and modern web development.

Why This Opportunity

Joining this role, you gain direct influence on product architecture and technical decisions. We offer:
* Work in a modern in-house environment focused on innovation and scalability;
* Exposure to cutting-edge technologies: serverless architectures, CI/CD, containerization;
* Clear career progression and mentorship from experienced tech leads;
* A collaborative international team with English as a working language (B2+);
* Competitive compensation up to 8 000 EUR monthly and benefits package.

About the Company

Our client is a fast-growing B2B SaaS provider in Europe, delivering cloud-native solutions to enterprise customers. The company values transparency, continuous learning and open communication. As part of the team, you will participate in technology conferences, gain certifications and have freedom to propose innovations. Senior Fullstack Developer with Next.js and TypeScript expertise will play a pivotal role in moving the company’s platform to the next level.