Senior Platform Engineer

Identify, prioritize, and implement solutions for impactful cross‑cutting concerns such as reliability, scalability, security, developer experience, and customer experience.
Strengthen shared platform components and libraries in a mature codebase, balancing pragmatic improvements with long-term architectural evolution in close collaboration with product engineers.
Improve testing practices and quality assurance across the platform—whether through better test frameworks and data management, contract testing for service boundaries, or strategies that make legacy code more testable without requiring full rewrites.
Modernize deployment practices and infrastructure as the platform migrates from Service Fabric to AKS, improving reliability and release velocity for a production system serving millions of invoices.
Raise engineering quality through pair programming, thoughtful code reviews, and clear technical communication.
Collaborate closely with engineers across the team to promote best practices, knowledge sharing, and consistent architectural patterns.

Experience as a senior engineer working in cloud‑native Azure and .NET environments.
Proven track record of improving engineering effectiveness in areas such as throughput, stability, observability, and developer experience.
Strong proficiency in C#, .NET, and Azure services
Ability to analyse systemic problems and design robust abstractions rather than localized fixes.
Strong collaborative mindset, with experience in pair programming, mentoring, and driving technical alignment.
Excellent communication skills and fluency in English for effective cross‑team collaboration.

International environment with Swedish working culture
Spacious office near Rondo Grzegórzeckie in a unique building (no open spaces)
Equipped kitchen with all things that help (tea, coffee, milk, Nutella, etc.)
Support for professional development through a variety of initiatives to foster growth and clear career progression within a dynamic global culture
Additional 1 day off for your birthday (B-Day)
Multikafeteria program, private healthcare (LuxMed), life insurance
Integration Parties (Summer Party, Xmas Party, Game Board Party, and other spontaneous events)
Team building budget
Hybrid working model

Connect: We believe in the power of people, both individually and collectively. Our success is driven by respect and understanding, with a shared commitment to empowering finance teams of the future.
Question: We embrace challenges and value diverse perspectives. By questioning and collaborating, we unlock better solutions and continuously innovate.
Own: We are proactive, decisive, and committed to delivering results. We anticipate customer needs and follow through, earning their trust to focus on what they do best.

Hexjobs Insights