Principal Software Engineer
Mastercard Sweden Services AB Stockholm
Responsibilities
- Lead and deliver complex, cross-cutting initiatives spanning multiple services and programs, driving alignment and resolution across teams
- Partner with business and product stakeholders to architect and deliver new services, products, and bundled offerings
- Own and drive end-to-end architectural design, including service boundaries, interactions, dependencies, and policies
- Take ownership of customer experience across a group of services or productized applications, ensuring reliability, scalability, and usability
- Simplify systems and improve cost/benefit trade-offs of architectures and services; act as the technical owner of key vendors (e.g., Redis)
- Apply strong engineering judgment to balance trade-offs between performance, scalability, speed, and business impact
- Operate beyond defined domains, taking on challenges across multiple areas of software engineering|
- Act as a consultative leader across teams and organizational boundaries to identify synergies, eliminate duplication, and drive reuse
- Participate in and influence Principal-level architecture reviews, driving solutions to enterprise-wide challenges and regulatory requirements
- Contribute to organizational excellence by writing objective promotion recommendations based on measurable impact and achievements
- Lead technical interviews and hiring processes, helping raise the engineering bar across the organization
- Identify and challenge siloed behaviors, promoting collaboration, transparency, and shared ownership
- 10+ years of experience in software engineering, with a significant portion in large-scale, distributed systems
- Proven track record of leading enterprise-wide architecture and cross-team initiatives
- Deep expertise in system design, scalability, and service-oriented architectures
- Strong ability to influence without authority and drive alignment across multiple stakeholders
- Experience working closely with product and business teams to deliver customer-facing solutions
- Demonstrated ability to simplify complex systems and optimize cost, performance, and maintainability
- Experience working with and managing third-party technologies and vendors (e.g., Redis or similar infrastructure components)
- Excellent communication skills, with the ability to articulate complex technical concepts to diverse audiences
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service — we’re reimagining how financial products should work for people, not just institutions. As part of our ambitious, innovative and curious team, you’ll help shape the future of investing in Sweden and beyond.
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