Backend Software Engineer (H/F) – Luxembourg

At WinMatch, we believe that successful recruitment is built on strong human values: transparency, honesty, and long-term partnerships.

Today, we are supporting a growing Luxembourg-based technology company in the recruitment of a Backend Software Engineer to strengthen its engineering team.

About the Company

Our client operates at the crossroads of advanced engineering and scientific computing.

The company develops high-performance, tailor-made systems for demanding environments where precision, scalability, and reliability are essential.

This is a specialist position — not a full-stack generalist role.

They are looking for a true backend engineer who enjoys working deeply on architecture, performance, and clean code.

Backend Software Engineer – Your Responsibilities

Reporting directly to the technical leadership, you will:

• Translate user needs into clear and structured technical specifications
• Design, develop, and test high-performance backend applications
• Work primarily with Python and Julia (Bash as complementary tool)
• Optimize applications for speed, scalability, and robustness
• Write clean, maintainable, and well-documented code
• Participate in code reviews and maintain high engineering standards
• Troubleshoot complex technical issues and propose innovative solutions
• Ensure reproducibility using modern development practices (Git, containers, structured environments)

Backend Software Engineer – Your Profile

• Proven experience as a backend software developer
• Strong proficiency in Python (experience with Julia is a strong asset)
• Solid debugging and classical coding skills
• Experience integrating APIs into applications
• Strong analytical mindset and structured problem-solving approach
• Ability to work independently while contributing to a collaborative team
• Professional proficiency in English

Important Requirements

• Legal right to work within the European Union
• No sponsorship available

Backend Software Engineer – The Offer

• Open-ended contract with 6-month trial period
• Competitive salary depending on experience
• Technically challenging projects with real impact
• Modern and collaborative work environment in Luxembourg
• Opportunity to join a growing and ambitious engineering team

At WinMatch, every candidate benefits from a professional and confidential approach, ensuring that each opportunity aligns with their experience and long-term career ambitions.

Confidentiality guaranteed.