Senior Software Engineer - Cards API Team

About the role

Wise is looking for a Senior Software Engineer to join its fast-growing Platform Issuance team in Singapore. The Cards API powers programmatic digital and physical card issuance for global fintech partners such as Nubank, Tiger Brokers and XP, along with management tools for spending controls and limits. You will drive features that solve partners' challenges, including accelerating onboarding, optimizing liquidity, combating fraud and delivering card analytics.

Key responsibilities

• Drive features that solve partners' challenges, from onboarding and liquidity to fraud prevention and card analytics.
• Work in an autonomous, cross-functional team with Product Managers, analysts and engineers to decide what to build, not just how.
• Own projects end to end, from understanding the problem and shaping the solution through delivery, rollout, measurement and roadmap planning.
• Ensure APIs are simple to consume and well documented, with a focus on the partner experience.
• Be accountable for the availability, reliability and security of the systems you and your team build.

Required profile

• Strong product mindset, connecting engineering decisions to customer outcomes.
• End-to-end ownership of impactful projects, with a self-starting, collaborative approach and confidence to work independently.
• Clear communication, able to explain complex technical concepts to different audiences and collaborate across functions.

Required skills

• Microservices and event-driven architectures
• Relational databases and well-designed APIs
• Resilient, scalable systems
• Maintainable, well-tested software, effective observability and proactive technical debt management
• Nice to have: Java, Spring Boot and Kafka; finance API experience; card payments experience as issuer or acquirer