Software Engineer developing backend services for Trustpilot's fraud detection systems. Building scalable enforcement pipelines and maintaining internal tools in a hybrid work environment.
About the role
- Software Engineer building backend services for Trustpilot's fraud detection systems. Responsible for integrating models and maintaining internal tools while collaborating with a new team.
Responsibilities
- Building and maintaining backend services that process high volumes of event-driven data for fraud and misuse detection (SNS, SQS, Lambda)
- Integrating detection models produced by our Data Science team into scalable enforcement pipelines
- Maintaining and improving internal React frontends used by our investigations team
- Contributing to infrastructure decisions using Terraform and AWS CloudFormation
- Participating in incident response, performance debugging, and database query optimisation (PostgreSQL, DynamoDB)
Requirements
- TypeScript/JavaScript and Node.js backend development — not just familiarity, but services you've owned end-to-end
- Relational and non-relational databases (SQL concepts, query optimisation, understanding of when to use each)
- Asynchronous, event-driven systems — you've worked with message queues or async processing patterns, and understand why they matter at scale
- Cloud infrastructure (AWS preferred) — you've deployed and operated services, not just provisioned a free-tier bucket
- React — enough to be productive on an internal tooling frontend
- Experience with fraud detection, trust & safety, or high-volume data processing (Nice to have)
- Familiarity with Infrastructure as Code (Terraform, CloudFormation) (Nice to have)
- Interest in how ML models integrate into backend systems (Nice to have)
- Comfort working in an environment where the team structure is still being established — you see that as opportunity, not uncertainty (Nice to have)
Benefits
- A range of flexible working options to dedicate time to what matters to you
- Competitive compensation package + bonus
- 25 days holiday per year, with an extra 5 days holiday allocated after your 1 year anniversary (prorated)
- Two (paid) volunteering days a year to spend your time giving back to the causes that matter to you and your community
- Rich learning and development opportunities are supported through the Trustpilot Academy and Blinkist
- Comprehensive health package, pension, and full access to Headspace, a popular mindfulness app to promote positive mental health
- Paid parental leave
- Central office with a laid-back vibe and constant buzz of different languages being spoken everywhere you go It’s complete with a coffee bar, canteen, and table tennis and has a wide variety of refreshments available - you can opt-in for breakfast and lunch at an affordable price
- Regular opportunities to connect and get to know your fellow Trusties, including company-wide celebrations and events, ERG activities, and team socials
- Opportunity to join the Trustpilot Social Club for a small monthly fee and attend regular social and leisure activities like go-karting, cooking classes, and escape rooms
- Employee discounts to restaurants and shops
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
No Education Requirement
Tech skills
Location requirements
Software Engineer I at Trustpilot working on backend services for fraud detection systems. Integrating detection models and maintaining internal tools within a hybrid team.
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