Full Stack Engineer

Fullstack Engineer / Golang / ) — 3-Month Contract | Onsite in Paris

Duration: 3 months (with possible extension)

Location:

Onsite – Paris, France

Rate:

Up to €400 per day (depending on experience)

Start Date:

Immediate

We've partnered with a fast-growing European tech company based in Paris, developing cutting-edge infrastructure for secure, large-scale digital communications and user verification.

They're looking for a Fullstack Engineer to join their team onsite in Paris for an initial 3-month contract (RENEWABLE) , contributing to a high-impact platform used by millions globally.

Role OverviewAs a Fullstack Engineer, you'll work across both frontend and backend systems — designing, building, and optimizing user experiences and core services.

You'll collaborate with a talented product and engineering team to deliver high-quality, scalable features in a fast-moving environment.

Key Responsibilities

Build and maintain fullstack applications using , Golang, , and TypeScript.

Develop clean, modular, and testable code following best practices.

Collaborate with designers and backend engineers to implement seamless user interfaces and robust APIs.

Ensure high performance and responsiveness of web applications through efficient CSS and front-end architecture.

Participate in technical discussions, peer reviews, and sprint planning to ensure quality delivery.

Troubleshoot, debug, and optimize performance across the stack.

Tech Stack

Frontend:

, TypeScript, CSS3

Backend:

Golang,

Tools:

Git / GitHub, Docker, RESTful APIs, CI/CD pipelines

Methodology:

Agile / Scrum environment

Requirements

3–5+ years' experience as a Fullstack Engineer or similar role.

Strong experience with and TypeScript on the frontend.

Solid backend development skills in Golang and

Knowledge of CSS frameworks or custom styling.

Comfortable working in a fast-paced, collaborative setting.

Fluent English (French a plus).

Must be available onsite in Paris for the duration of the contract.