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Senior Software Engineer II - Account Integrity

Wise is hiring a Senior Software Engineer II - Account Integrity to join its team in London on a full-time and on-site basis. This high-impact position…

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London, United Kingdom
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Employment type
Full-time
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Added to Jobsiz1h agoEmployer posted Oct 20, 2026
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About This Role

Wise is hiring a Senior Software Engineer II - Account Integrity to join its team in London on a full-time and on-site basis. This high-impact position centers on protecting the global customer base of Wise by tackling complex financial crime problems. The Account Integrity team focuses on safeguarding the platform using real-time transaction monitoring, advanced data analysis, and machine learning to construct scalable fraud prevention engines, prevent scams, and stop…

Job Description

Wise is hiring a Senior Software Engineer II - Account Integrity to join its team in London on a full-time and on-site basis. This high-impact position centers on protecting the global customer base of Wise by tackling complex financial crime problems. The Account Integrity team focuses on safeguarding the platform using real-time transaction monitoring, advanced data analysis, and machine learning to construct scalable fraud prevention engines, prevent scams, and stop account takeovers.

This role suits an experienced engineer with a product-focused mindset who wants to deliver tangible security solutions. The job involves spending roughly 80 percent of the time on backend tasks and 20 percent on frontend work, taking end-to-end ownership of projects that improve financial crime prevention infrastructure. Wise operates as an international organization committed to building money without borders, valuing diversity, equity, and inclusion across its workforce.

Responsibilities

  • Continuously improve financial crime prevention infrastructure and systems
  • Build and refine critical controls to protect customer accounts from takeovers
  • Drive backend and frontend development for crime prevention and detection systems
  • Take end-to-end ownership of security and product growth projects

Requirements

  • Professional experience with Java or other JVM-based languages including the Spring framework
  • Proven experience designing and operating distributed systems, concurrent systems, and CI/CD pipelines
  • Demonstrated product mindset with accountability and the ability to drive projects independently
  • Experience with relational and non-relational databases, query optimization, and schema design
  • Strong problem-solving ability with a commitment to Test Driven Development and coding best practices
  • Communication skills to articulate technical concepts across product, data science, and investigation teams

Qualifications

  • Familiarity with the machine learning lifecycle including data pipelines, feature engineering, and deploying ML systems into production

Core Skills

Frequently Asked Questions

Answers are based only on the employer’s listing; where it doesn’t say, neither do we.

What is the location and remote status for this role?

This position is located in London and is on-site.

What is the employment type?

The position is full-time.

What programming languages are required?

Applicants need professional experience with Java or other JVM-based languages, including the Spring framework.

What is the salary for this position?

The posting does not specify the salary.

Sample Interview Questions

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Posted by Wise

Source: Wise

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Posted by employer: Oct 20, 2026

Added to Jobsiz: Oct 20, 2026

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