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A BIT ABOUT FLOCK
At Flock we do insurance very differently. We're nearing 1 billion connected, insured miles.
Meaning our real-time, data-driven approach enables us to price connected vehicle insurance and assess risk better than ever before, giving fleet owners the insights they need to improve safety. We don’t just pay claims; we help our customers prevent them. We now insure hundreds of fleets in the UK, including the likes of Amazon, DPD, Uber and Bolt.
We've now raised over £50M and our goal is to become the leading insurance company for connected and autonomous vehicles, and we're building a world-class team to help us get there.
We're an AI-first business, so whatever the role, we want people who reach for AI by default, stay curious about what it can do, and use it to work faster and think bigger.
THE ROLE
Join Flock as a Senior Software Engineer on our Retain team, where you'll play a pivotal role in building and developing the services that help our fleet customers see the value of Flock, embed us into their daily workflow, and operate safer, more profitable fleets. You'll use AI tools and coding agents as a normal part of how the team designs, builds and operates.
WHAT WE THINK IS MOST EXCITING ABOUT THE ROLE:
- Senior ownership of core services and systems
- Lead design, build and operation of critical backend services for the Retain team.
- Write high-quality, well-tested TypeScript, shape PostgreSQL schemas and own delivery to production.
- Shape architecture for scale, reliability and cost
- Drive architecture and platform decisions for scalable, reliable and cost-effective AWS services.
- Make pragmatic trade-offs and introduce patterns that improve maintainability and operability.
- Partner across product and the business to deliver impact
- Work closely with product, data and commercial teams to translate needs into technical scope, define success metrics and guide trade-offs to deliver measurable, customer-focused outcomes.
- Raise engineering quality and capability
- Lead by example through code and design discussions, mentoring and pairing.
- Encourage practical testing, CI/CD, type-safe APIs and pragmatic functional patterns to raise standards and shape long-term direction.
- Use AI coding tools and agents in your daily work, and help shape how we apply AI across the telemetry pipeline, from data quality checks to the insights we surface to fleets.
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A LITTLE MORE ON WHAT YOU’LL BE DOING:
As a Senior Engineer at Flock you will own problems end to end, from design and build to deployment and measuring impact, working with engineers to keep our codebase clean and maintainable.
- API-Driven Development
- Integrate with and contribute to the development of RESTful APIs exposed via API Gateway.
- Collaborate with backend engineers to shape APIs that efficiently serve data-intensive views.
- Serverless & Cloud Infrastructure
- Use your AWS experience (SQS, Lambda, API Gateway, S3, EventBridge, CloudWatch) to support and extend the telemetry data ingestion and delivery pipeline.
- Work with infrastructure-as-code tools like Terraform or CDK for provisioning long-lived resources.
- Collaboration & Agile Delivery
- Work closely with product managers and engineers to scope, deliver, and test features.
- Participate in daily standups, sprint planning, and retrospectives in our Agile process.
- Code Quality & Mentorship
- Deliver high-quality, well-tested code and raise the team’s standards by contributing to and leading code reviews, pairing sessions and design discussions — mentoring and supporting other engineers through practical, technical feedback.
- Share your knowledge and support the growth of engineers across the team, act as a force-multiplier by driving best practices and shaping long-term technical decisions for our engineering community.
- Use AI tools and agents across the lifecycle, from design exploration to testing and operational tooling, while owning the reliability of everything you ship.
Working hand-in-hand with your product manager, you’ll bring clarity to complex problems and help define sharply scoped, impactful deliverables. Your success won’t be measured by output alone, but by the lasting impact you make on our customers and on the team around you.
Curious how we build the future of fleet insurance? Dive into our Product & Engineering Blog, packed with technical deep-dives, behind-the-scenes stories, and real insights from the team you'd be joining.
WHAT YOU’ll BRING TO FLOCK:
ESSENTIAL
- Constructive and thoughtful; contribute ideas, be receptive to feedback and proactively improve code and team processes through CI/CD, tooling and code reviews.
- Hands-on production experience building services in TypeScript; write typed, maintainable code and own delivery. Strong PostgreSQL skills: schema, SQL, indexing, performance and migrations.
- Experience designing and operating distributed services in AWS, making pragmatic scalability, observability, reliability and cost trade-offs.
- Thoughtful approach to testing and the full development lifecycle; shape code, deployment, maintenance and operational runbooks, with serverless experience.
- Comfortable collaborating with product and business stakeholders to translate needs into technical scope and deliver owned features.
- Define and track success metrics for product outcomes; navigate complex, ambiguous problems while keeping high standards, bias for action and customer focus.
- Hands-on use of AI coding tools in your daily workflow, and clear judgement about where they help and where they don't.
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PREFERABLE
- Awareness of various architectural approaches, especially within serverless environments and the benefits and limitations of Layered Architecture
- Understanding of how infrastructure and application layers work together to optimise your solutions.
- Knowledge of functional programming concepts
- SQS and EventBridge as transport services with an interest in stream processing and queue optimisation.
WHAT WE OFFER (in addition to a competitive salary)
- 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 🌻
At Flock, we typically follow a hybrid working model involving a minimum of 3 days per week spent in the office, which is based in Central London, a few minutes walk from Moorgate and Liverpool Street. Please note if your role involves visit to client sites and broker offices, then this can be substituted for office days.
ONE LAST THING..
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!
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Jessica, London
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