Mid C# Developer

Montrose Software; Kraków; On-site; PLN 120,000 - 180,000; Full time

Job summary

Montrose Software is seeking a strong Software Developer to join our Cash Analytics team in Kraków, offering hybrid and remote options from Poland. You will build and support high-performance pricing and risk analytics platforms for cash products, collaborating with front office, risk and engineering teams.

The role emphasizes data-intensive systems, scalable design, and efficient batch processing in a complex production environment.

Qualifications

• Strong knowledge of C# and .NET.
• Good understanding of data structures, system design, and performance optimization.
• Good knowledge of Python.
• Solid experience with SQL, including performance tuning and working with large datasets.
• Knowledge of Git and collaborative development workflows.
• Proven ability to debug and resolve issues in complex production environments.
• Experience working in Linux environments.

Skills

C#

.NET

Python

SQL

Performance optimization

Linux

Troubleshooting

Tools

Git

Job description

Join our ongoing collaboration with one of the largest North American banks – serving over 17 million clients worldwide. We are seeking a strong Software Developer to join the Cash Analytics team, responsible for building and supporting core pricing and risk analytics platforms for cash products. This role focuses on developing high-performance, data-intensive systems used for pricing, risk calculation, and large-scale batch processing. The candidate will work closely with front office, risk, and engineering teams to deliver scalable, reliable, and efficient solutions in a complex production environment. Industry: Finance Location: Kraków / Hybrid/ Remote from Poland

Qualifications

• Strong knowledge of C# and .NET
• Good understanding of data structures, system design, and performance optimization
• Good knowledge of Python
• Solid experience with SQL, including performance tuning and working with large datasets
• Knowledge of Git and collaborative development workflows
• Proven ability to debug and resolve issues in complex production environments
• Experience working in Linux environments