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About the Role

Join Flock as a Fullstack Engineer within our Expansion Team, where you'll play a pivotal role in building the platform that brings new fleets, new brokers, and entirely new sectors onto Flock. AI tools and coding agents are part of how we build here, and you'll use them daily.

Responsibilities

• Drive consistency across systems by diving deep into complex backend architectures and understanding core principles.
• Master and enforce architectural patterns to shape the stability and scalability of how vehicles are quoted and brought on cover.
• Partner closely with underwriters, pricing engineers and product managers to transform complex submission data and rating logic into intuitive, performant interfaces.
• Build scalable, event-driven systems that power our quote-to-bind pipeline using AWS services.
• Own the delivery of features from ideation to deployment, impacting how Flock wins new business and how brokers experience the platform.
• Help shape how the team applies AI coding tools and agents as new sectors and products are brought onto the platform.
• Own problems end to end, from design and build to deployment and measuring impact.
• Build and evolve services in a TypeScript monorepo organised around CQRS and Hexagonal architecture.
• Design commands, events, and projections for asynchronous and decoupled service communication.
• Work across domains including pricing, underwriting, brokers, customers, vehicles, invoices, and finance.
• Develop and extend the internal Product Config UI in React (TypeScript) for defining new products and onboarding customers.
• Turn complex, schema-driven configuration into user-friendly interfaces for underwriters and product managers.
• Build and run event-driven services using AWS experience (Lambda, API Gateway, S3, EventBridge, SQS, CloudWatch).
• Ensure observability, idempotency, and graceful failure in distributed, asynchronous systems.
• Use AI coding tools and agents through the development lifecycle, owning the quality of shipped code.
• Bring clarity to complex problems and help define sharply scoped, impactful deliverables with the product manager.

Requirements

• Expert proficiency in TypeScript, comfortable working in a large monorepo and across multiple services.
• Expert-level experience in designing and operating event-driven backend systems on AWS (e.g. Lambda, EventBridge, SQS, API Gateway), including thinking through eventual consistency, retries, and idempotency.
• Proven hands-on experience with CQRS, event sourcing, projections, and Hexagonal / Clean Architecture style codebases.
• Exposure to a modern frontend framework like React.
• Day-to-day experience with AI coding tools, and good judgement about when to lean on them and when not to.
• Experience working with React, with the ability to build and extend internal-facing UIs that sit on top of complex domain models.
• Experience modelling complex business domains where rules and configuration evolve frequently.
• Familiarity with CI/CD workflows (GitHub Actions) and automated testing across unit, integration, and end-to-end layers.
• Exposure to monitoring and observability tooling such as DataDog.
• Prior exposure to insurance, fintech, or other regulated, transactional domains is welcome but not required.

Skills

• TypeScript
• AWS (Lambda, API Gateway, EventBridge, SQS, CloudWatch, S3)
• CQRS
• Event Sourcing
• Hexagonal Architecture
• Clean Architecture
• React
• AI coding tools
• CI/CD (GitHub Actions)
• Automated testing
• Monitoring and observability tooling (DataDog)

Location

• Central London

Work Type

• Hybrid

Experience Level

• Senior

Benefits

• 25 days of holiday (+ Bank Holidays)
• Share Incentive Plan
• Workplace Pension
• Private Medical Insurance (including Optical & Mental Health support options)
• Various Salary Sacrifice Schemes (Workplace Nursery, Holiday Purchase, Tech, Gym, Cycle to Work, Electric Vehicle, Private Medical Insurance for families)
• Enhanced Parental Leave and Pay
• £1000 toward relevant professional qualifications
• £500 per annum towards learning and development
• 3 days paid leave for L&D purposes

About the Company

• At Flock we do insurance very differently, using a real-time, data-driven approach to price connected vehicle insurance and assess risk.
• We insure hundreds of fleets in the UK, including Amazon, DPD, Uber and Bolt.
• We've raised over £50M and aim to become the leading insurance company for connected and autonomous vehicles.
• We're an AI-first business, seeking people who use AI by default to work faster and think bigger.

Equal Opportunity

• Authenticity is important to us. We value the unique qualities and experiences you bring. So if you apply, just be your genuine self. It's who we want!