Senior .NET Developer with Fintech EXP

Margo Group; Łódź; Hybrid; PLN 180,000 - 260,000; Full time

Job summary

Margo Group is seeking a Senior .NET Developer to join a leading international financial institution in Łódź, Poland. You will design, develop, and maintain backend solutions and contribute architectural input in a secure, large-scale enterprise environment.

This role offers a modern hybrid work model requiring only 2 days per month in the office, with a targeted start date of 15 June 2026.

Qualifications

• Extensive backend experience in .NET
• Proven ability to design and maintain critical financial systems
• Experience in large-scale enterprise environments

Skills

Senior .NET

Backend development

Software architecture

Job description

Are you a seasoned software engineer looking to drive impactful backend solutions within a secure, large-scale enterprise environment? A leading international financial institution is seeking a Senior .NET Developer to join a highly specialized engineering team. In this role, you will play a pivotal part in designing, developing, and maintaining critical applications that support sophisticated financial operations. This is an exceptional opportunity for a senior professional who thrives on technical autonomy, values robust engineering practices, and is looking for a stable yet modern environment where their architectural input truly matters.

Join the Team

This position is based out of our modern office space in Łódź, Poland, and offers an excellent work-life balance through a highly flexible hybrid work model requiring only 2 days per month in the office.

The targeted start date for this vacancy is 15 June 2026.