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April 24, 2026

Senior FullStack Developer

Senior • Remote

16,000 - 24,000 PLN

Krakow, Poland

Montrose Software supports one of the largest North American banks in enhancing and maintaining its financial libraries and applications. The bank serves over 17 million clients worldwide, employs more than 86,000 people, and offers a broad range of services including personal and commercial banking, wealth management, insurance, investor services, and capital markets products.

Within this engagement, we are part of the structured rates products team, responsible for developing analytics services that support the pricing and initial valuation of financial instruments used across the bank’s systems and web-based applications. The solution is built using a microservices architecture, with communication handled via the Solace messaging system (pub/sub architecture). All microservices are deployed on the bank’s own Kubernetes cluster and are used by traders for the initial valuation of financial products before they are traded.

Industry: Finance

Location: Kraków / Hybrid/ Remote from Poland

Your daily work will include:

  • Develop and maintain backend functionality and integrate it with the frontend.

  • Implement new features, optimize existing functionality, and fix bugs.

  • Work together with other developers to deliver high-quality results

Team & Collaboration

  • > 20 people, and 7 from Montrose

  • Regular meetings:

    • Daily at 15:30 CET and weekly retrospective

  • Communication: Chat, emails, ad hoc call

  • Working hours: usually 9:00–17:00 CET 

Qualifications:

  • Excellent knowledge of Python

  • Knowledge of event-driven architecture

  • Python FastAPI framework

  • Good understanding of programming design pattern

  • Large codebases, with hands on experience

  • Ability to use Git version control system

  • Unit testing skills

  • Knowledge of Javascript / React

  • Knowledge of software architecture and design principles

  • Fluent in spoken and written English

Nice to have:

  • Familiarity with C++

  • Experience in a quantitative finance environment

  • Docker / Kubernetes / ansible knowledge

  • Experience in Linux/Windows management

Perks, Snacks & Everything Nice :)

Work Environment & Flexibility

  • Top-quality equipment to support your work

  • Flexible working hours

  • Remote work option

  • Exciting and challenging projects with international teams

Learning & Development

  • English lessons with a native speaker

  • Dedicated training budget for personal and professional growth

Health & Well-being

  • Private medical insurance

  • Multisport card 

  • Air-conditioned workspace

  • Showers available at the office

Food & Comfort

  • 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

Lifestyle & Fun

  • 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 parkingm