Full-Stack Engineer, Fraud Investigation Tools

Mixpeek; United Kingdom; Remote; GBP 90,000 - 150,000; Full time

Benefits offered by this job

Generous cash and equity compensation

Remote-first culture

MacBook Pro on arrival

Home office setup stipend

Meal stipend

Learning stipend

Flexible paid time off

Job summary

Sardine is hiring a Full Stack Engineer to bridge complex backends and user-friendly interfaces. You will own features end-to-end, transforming data-heavy processes into intuitive tools that help analysts detect fraud faster.

You’ll build graph systems to reveal fraud rings and collaborate across Design, Data, Product, and Account Management to align engineering with business needs. We operate a remote-first, UK-focused model with a culture that values outcomes over hours worked.

Qualifications

• Experience building production-ready web applications with modern JS/TS stacks.
• Strong understanding of scalable data-driven systems.
• Experience delivering features end-to-end in a fast-paced environment.

Responsibilities

• Own features end-to-end from problem framing to UX, modeling, and iteration.
• Translate complex backend capabilities into intuitive user interfaces.
• Develop graph-based tools to visualize relationships and detect patterns.
• Collaborate with Design, Data, Product, and Account teams to align outcomes.
• Diagnose issues, optimize performance, and ensure system reliability.

Skills

TypeScript

Node.js

React

Go

Job description

Sardine is hiring a Full Stack Engineer to bridge complex backends and user-friendly interfaces. You will own features end-to-end, transforming data-heavy processes into intuitive tools that help analysts detect fraud faster.

You’ll build graph systems to reveal fraud rings and collaborate across Design, Data, Product, and Account Management to align engineering with business needs. We operate a remote-first, UK-focused model with a culture that values outcomes over hours worked.