Senior Software Engineer Fraud Squad Account Integrity; Java)

About the role:

Join us as a Software Engineer in our critical Scam Prevention team. This is a high-impact engineering role with a strong product focus dedicated to solving complex real-world adversarial problems to directly protect our global customer base.

How we work:

The Scam Prevention Team

The Scam Prevention team is on the front lines dedicated to safeguarding our platform against sophisticated financial crime. We leverage cutting-edge machine learning real-time transaction monitoring and advanced data analysis to create robust controls and detection capabilities. Our vision is to build a globally scalable fraud prevention engine that protects customer accounts prevents scams and consistently surpasses regulatory expectations.

What will you be working on

This defining role involves continuously improving our financial crime prevention infrastructure and systems. You will deliver a direct measurable impact on customer security by taking end-to-end ownership of projects focused on:

• Building and refining critical controls to prevent Wise customers from scams.

• Drive Backend and Frontend for our scam prevention and detection systems - You will be working 80% of the time on a backend and 20% on the frontend

• You will be delivering a tangible real-world impact by securing customers money accelerating product growth by raising automation levels and helping us engineer a world-class money transfer product.

What do you need

• Engineering Expertise:
  Professional experience with Java or other JVM-based languages including the Spring framework. Experience building and designing scalable web applications that handle large amounts of traffic - ideally using React based frontend applications Java script / Typescript.

• System Design & Operation:
  Proven experience designing and operating CI/CD pipelines Distributed and Concurrent Systems.

• Product Ownership: A strong product mindset accountability and the ability to drive projects independently making data-driven decisions with the customer in mind.

• Data Proficiency:
  Experience with relational and non-relational databases including query optimisation and designing resilient schemas.

• Code Quality:
  Exceptional fundamentals sharp problem-solving ability and a commitment to Test Driven Development and best coding practices.

• Collaboration:
  
  Excellent communication skills to articulate complex technical concepts across teams (Product Data Science Investigations).

Nice to Have:

• Familiarity with the machine learning lifecycle (data pipelines feature engineering and deploying ML systems into production).

Interested Find out more:

• How we work a practical guide

• DEI @ Wise

• Wise Tech Stack (2025 update)

• See what its like to work at Wise London!

• Our Engineering career map

• Wise Engineering do we offer:

  • Starting salary: 111000 - 145000

  • Wise Benefits

  Additional Information :

  For everyone everywhere. Were people building money without borders without judgement or prejudice too. We believe teams are strongest when they are diverse equitable and inclusive.

  Were proud to have a truly international team and we celebrate our differences.
  Inclusive teams help us live our values and make sure every Wiser feels respected empowered to contribute towards our mission and able to progress in their careers.

  If you want to find out more about what its like to work at Wise visit .

  Keep up to date with life at Wise by following us on Linked In and Instagram.

  Remote Work :

  No

  Employment Type :

  Full-time

  Experience: years
  Vacancy: 1