Senior Software Engineer, Account Integrity

• Join Wise’s Account Integrity team as a Senior Software Engineer, based in London. • Protect Wise’s global customers against sophisticated financial crime. • Build controls that stop account takeovers and prevent scams. • Work on a fraud prevention engine powered by machine learning and real-time transaction monitoring. • Own projects end to end, spending about 80% of your time on backend and 20% on frontend. • Earn £87,500–£111,000 plus RSUs.

• Bring professional experience with Java or another JVM language, including Spring. • Show experience building scalable, high-traffic web applications. • Bring experience with React, JavaScript or TypeScript frontends. • Show proven experience designing and running CI/CD pipelines and distributed, concurrent systems. • Bring a strong product mindset and drive projects independently with data. • Work with relational and non-relational databases, including query optimisation and schema design. • Follow test-driven development and strong coding practices. • Explain complex technical concepts across Product, Data Science and Investigations teams.

• Know the machine learning lifecycle, including data pipelines, feature engineering and deploying ML to production. • Bring experience building fraud, financial crime or security systems. • Show experience with real-time transaction monitoring. • Bring experience in fintech or payments.

• Build and refine controls that protect customer accounts from takeovers. • Develop backend and frontend features for crime prevention and detection systems. • Improve Wise’s financial crime prevention infrastructure. • Raise automation levels to speed up product growth. • Take end-to-end ownership of projects with measurable customer impact. • Collaborate with Product, Data Science and Investigations teams.

We have been Wise customers for years and have always had a great experience. We love their transparent approach in everything they do, from showing the correct exchange rates to disclosing all their fees, and even being honest about how they work. Founded in 2010 in London, Wise is now a publicly traded company operating in over 160 countries, generating 1.2+ billion pounds in revenue (2025) and is highly profitable. What we especially love at Wise is their work from anywhere policy after 6 months: Basically you can remotely work from (almost) anywhere in the world for up to 90 days a year. As they are solving a massive problem and are strongly mission-driven, we are sure that any individual passionate about working on complex, impactful problems in sending money globally efficiently, while continuing to work on the much-loved Wise solutions, will love working there.

• Earn a starting salary of £87,500–£111,000 plus RSUs. • Work on high-impact systems that protect customers’ money. • Join a world-class engineering team building a global money transfer product. • Receive Wise’s standard benefits package. • Join a truly international, inclusive team.

Wise is a global technology company building the best way to move and manage the world’s money, with minimal fees and maximum ease. It helps people and businesses send money abroad, spend overseas and make and receive international payments. Its Account Integrity team safeguards the platform against financial crime using machine learning and real-time monitoring.