C# Developer w Kraków, Polska

Expected, C#, .NET, Python, Git, SQL

Operating system, Linux

About the project, 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, , Team & Collaboration, •5 (Montrose) + around 30 on the client’s side, including developers, QAs, Business Analysts, and Project Managers, , Regular meetings:, •3 short standups per week (Montrose team), •1 weekly standup (all team), •1 weekly project status meeting (all team), , •Communication via email and Webex chat, •Working hours: usually 9:00–17:00 CET

This is how we work, at the client's site, agile, scrum

Team members, backend developer, frontend developer

Your responsibilities, Taking care of existing C#/.NET applications and developing new backend services, APIs, and integrations, Design, develop, and enhance pricing and risk analytics systems (batch and real-time), Work with large datasets and optimize data processing performance (SQL, in-memory, parallel processing), Collaborate with front office and risk teams to translate business requirements into technical solutions, Troubleshoot and resolve complex production issues in critical systems, Improve system scalability, performance, and reliability, Contribute to system design and modernization of legacy platforms, Write clean, maintainable, and efficient code following best practices, Collaborating with developers across Poland and Canada, Participating in code reviews, discussing technical improvements, and sharing best practices, Using GitHub, Jira, and Jenkins for CI/CD and task management

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

Optional, Healthcare or other regulated-industry experience, Familiarity with medical imaging

What we offer, Top-quality equipment to support your work, Flexible working hours, Remote work option, Exciting and challenging projects with international teams, English lessons with a native speaker, Dedicated training budget for personal and professional growth, Private medical insurance, Multisport card, Air-conditioned workspace, Showers available at the office, Lunches from Kraków’s top restaurants delivered to the office or a refund of the budget allocated for it, Fully stocked kitchen with drinks, fruit, and snacks, No dress code — dress comfortably, Chillout area with bean bags, therapy balls, PlayStation 4, Nintendo Switch 2 + games, stretching area, and pull-up bar, Regular team events, Additional Perks, Indoor bicycle parking

This is how we work on a project, code quality measures, design patterns, architect / technical leader support, Continuous Deployment, Continuous Integration, team-level deployment, documentation, issue tracking tools, testing environments

Benefits, sharing the costs of sports activities, private medical care, sharing the costs of foreign language classes, sharing the costs of professional training & courses, remote work opportunities, flexible working time, fruits, integration events, corporate sports team, no dress code, video games at work, coffee / tea, drinks, parking space for employees, leisure zone, birthday celebration, employee referral program, charity initiatives, family picnics

Recruitment stages, Technical screening call via Google Meets (~ 30 minutes), Technical interview via Google Meets (~ 2 hours), Non-technical conversation (~ 45 minutes), Client interview (30–90 minutes)

Montrose Software (Polska) Sp. z o.o., Montrose Software is a software consultancy based in New Jersey (USA), with our primary development center in Kraków. We develop mobile apps, web applications and enterprise systems for a wide variety of clients. If you want to work on dynamic projects for world class clients in a fun workplace, do not hesitate to apply.