Wise Logo

Wise

Sr Software Engineer I - Fincrime - Scam Prevention

Posted 3 Hours Ago
Be an Early Applicant
Hybrid
London, England, GBR
Senior level
Hybrid
London, England, GBR
Senior level
Join the Scam Prevention team to design, build, and operate backend (80%) and frontend (20%) systems that prevent scams. Deliver scalable controls, CI/CD pipelines, resilient data schemas, and production-quality code while collaborating with Product, Data Science, and Investigations to protect customers and automate fraud detection.
The summary above was generated by AI
Company Description

Wise is a global technology company, building the best way to move and manage the world’s money.
Min fees. Max ease. Full speed.

Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.

As part of our team, you will be helping us create an entirely new network for the world's money.
For everyone, everywhere.

More about our mission and what we offer.

Job Description

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, Javascript / 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 it's like to work at Wise London!

  • Our Engineering career map

  • Wise Engineering – https://medium.com/wise-engineering

What do we offer: 

  • Starting salary: £87,000 - £111,000

  • Wise Benefits

 

Additional Information

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

We're 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 it's like to work at Wise visit Wise.Jobs.

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

Wise London, England Office

Wise London Office

Our central London office at Worship Square in Shoreditch is a dynamic, full-stack hub. Teams across Engineering, Product, and Operations work side by side to design, build, and ship products globally. Wise offers a rare level of trust and ownership, accelerating your career impact.

Similar Jobs at Wise

5 Hours Ago
Hybrid
London, Greater London, England, GBR
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
Lead design, deployment and ongoing optimisation of global KYC controls across product teams. Drive control automation, data-led testing, remediation projects, regulatory reviews, and risk assessments to balance customer experience with compliance.
5 Hours Ago
Hybrid
London, England, GBR
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
Lead a global People Technology Growth engineering team to own the end-to-end employee journey layer. Drive technical roadmap, improve reliability and scalability, contribute to delivery, manage incidents, implement engineering rituals, coach and hire engineers, and collaborate with Product and Design to improve internal customer experience and tool adoption.
Top Skills: APIsAutomated WorkflowsData MappingHrisJira Product DiscoveryJira SoftwareOnboarding SystemsRecruitment ToolsSaaS
5 Hours Ago
Hybrid
London, Greater London, England, GBR
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
Lead backend engineer for the Business Pricing team building scalable pricing plans and account plans. Own end-to-end feature development in Java/Kotlin using Spring, relational databases and Kafka. Collaborate with product managers, data analysts, designers and other engineers, write testable code, employ testing strategies, improve team culture and processes, and monitor feature adoption.
Top Skills: Integration TestingJavaJvmKafkaKotlinRelational DatabasesSpringUnit Testing

What you need to know about the London Tech Scene

London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account