Senior Software Engineer II - Account Integrity

In this Senior Software Engineer role, you join Wise’s Account Integrity team to build a globally scalable fraud prevention engine and protect customer accounts from financial crime. You’ll own end-to-end projects, improving controls and automation to secure money transfers while accelerating product growth. The role blends backend work (80%) with frontend efforts (20%), applying ML and data analysis to detect and prevent scams. You will collaborate across Product, Data Science, and Investigations to deliver measurable security impact. This is a high-impact position shaping Wise’s money-move platform.

• Build and refine critical controls to protect customer accounts from takeovers
• Develop backend and frontend for crime prevention and detection systems (80% backend, 20% frontend)
• Own end-to-end delivery of projects with data-driven decision-making
• Increase automation to reduce risk and support product growth
• Contribute to securing customers’ money and delivering a world-class money transfer product
• Collaborate across Product, Data Science, and Investigations to communicate complex technical concepts

• Java or other JVM-based languages with Spring
• Experience designing and operating CI/CD pipelines, distributed and concurrent systems
• Strong product mindset with accountability and customer-centric decision making
• Experience with relational and non-relational databases, including schema design and query optimisation
• Commitment to Test Driven Development and best coding practices
• Excellent collaboration and communication across teams

• strong communication
• data-driven decision making
• customer focus
• Java/Spring
• CI/CD pipelines
• Distributed systems