Software Engineer I at Trustpilot working on backend services for fraud detection systems. Integrating detection models and maintaining internal tools within a hybrid team.
About the role
- Software Engineer developing backend services for Trustpilot's fraud detection systems. Building scalable enforcement pipelines and maintaining internal tools in a hybrid work environment.
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
- shipped backend services to real users in a production environment — whether through employment or a demonstrable portfolio with genuine complexity and traffic.
- experience with 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
Benefits
- A range of flexible working options to dedicate time to what matters to you
- Competitive compensation package + bonus
- 25 days holiday per year, increasing to 28 days after 2 years of employment
- 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
- Pension and life insurance
- Health cash plan, online GP, 24/7, Employee Assistance Plan
- Full access to Headspace, a popular mindfulness app to promote positive mental health
- Paid parental leave
- Season ticket loan and a cycle-to-work scheme
- Central office location complete with table tennis, a gaming corner, coffee bars and all the snacks and refreshments you can ask for
- Regular opportunities to connect and get to know your fellow Trusties, including company-wide celebrations and events, ERG activities, and team socials.
- Access to over 4,000 deals and discounts on things like travel, electronics, fashion, fitness, cinema discounts, and more.
- Independent financial advice and free standard professional mortgage broker advice
- Talent acceleration programs: Fast-track your career with our tailored development programs designed to support growth at whatever stage of your career
Job title
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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.
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