Work on performance-critical systems that process and aggregate millions of records in real time.
Work mostly on backend in C#, with some frontend in React.
Contribute to the design and optimization of proprietary formula and query engine.
Tackle scalability and performance challenges across high-volume, real-time datasets.
Collaborate closely with frontend engineers and product managers to deliver impactful features.
Build and maintain backend services using modern technologies like .NET Core, PostgreSQL, React, and GCP.
Influence architecture decisions, test new ideas, and continuously improve performance and reliability.

Requirements

Proven experience designing object oriented software with languages such as C#, Java, C++, Golang, Rust, Python or Ruby (this list is not exhaustive).
Proven experience with JavaScript, CSS and JavaScript libraries or frameworks such as React, Vue.js or Angular.
Great team spirit with a problem-solving attitude.
A good dose of humility and the willingness to grow (no matter your seniority!).
A fluent level in English (French is not a must).

Benefits

Competitive salary
Equity
The best health insurance with Alan Blue entirely free for you and your family 💙
Trust and flexible working hours
Brand new offices in the heart of Paris, London, New-York and Toronto

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

C#JavaC++GolangRustPythonJavaScriptCSSReact.NET CorePostgreSQL

Soft Skills

team spiritproblem-solvinghumilitywillingness to grow