Senior Software Engineer, Account Integrity & Fraud Prevention

Wise; City Of London; Hybrid; GBP 88,000 - 111,000; Full time

Benefits offered by this job

Wise Benefits

Job summary

Wise in London is seeking a Senior Software Engineer for the Account Integrity team. This high‑impact role focuses on solving adversarial problems to protect our global customer base, combining backend and frontend work to strengthen fraud prevention and secure money transfers.

You’ll own projects end‑to‑end, design scalable systems, collaborate across Product, Data Science and Investigations, and contribute to a world‑class money transfer product. Hybrid work and Wise benefits are offered.

Qualifications

• Professional experience with Java or JVM languages including Spring.
• Experience building scalable web apps handling high traffic.
• Backend/Frontend balance with React, JavaScript or TypeScript.
• Designing and operating CI/CD pipelines, distributed and concurrent systems.
• Strong product mindset and ability to drive data-driven decisions.
• Experience with relational and non-relational databases and queries.
• Commitment to Test Driven Development and coding best practices.
• Excellent cross-team communication with Product, Data Science and Investigations.

Responsibilities

• Build and refine controls to protect Wise customers’ accounts from takeovers.
• Drive backend and frontend for crime prevention and detection systems (80/20 split).
• Deliver tangible security impact while enabling product growth and automation.

Skills

Java

Spring

React

JavaScript/TypeScript

CI/CD

Distributed Systems

Product Ownership

Databases

Test Driven Development

Collaboration

Job description

Wise in London is seeking a Senior Software Engineer for the Account Integrity team. This high‑impact role focuses on solving adversarial problems to protect our global customer base, combining backend and frontend work to strengthen fraud prevention and secure money transfers.

You’ll own projects end‑to‑end, design scalable systems, collaborate across Product, Data Science and Investigations, and contribute to a world‑class money transfer product. Hybrid work and Wise benefits are offered.