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Senior Software Engineer at Flock

As a Senior Software Engineer on the Retain team, you'll build the full-stack services that power daily workflows for massive clients like Amazon and Uber. With a high-growth environment, a £1,500 L&D budget, and a modern AWS serverless stack, this is your chance to own critical architecture and drive safety outcomes for hundreds of fleets across the UK.

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Flock

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Location

London, United Kingdom

Compensation

£70k-£90k

Company

Flock

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Role overview

As a Senior Software Engineer on the Retain team, you will lead the design and operation of full-stack services that embed Flock into the daily workflows of fleet owners. You’ll own critical features end-to-end, leveraging a modern AWS serverless stack to build scalable products that improve safety and profitability for hundreds of commercial vehicle fleets.

Insurance / Insurtech

Flock is a UK-based insurtech company specializing in connected insurance solutions for commercial motor and drone fleets. Founded in 2015, Flock uses real-time data to dynamically price insurance based on exposure and risk, incentivising and rewarding safer driving with premium rebates. Their platform serves a wide range of fleets including couriers, rental cars, delivery vans, and taxis, providing real-time risk insights and efficient claim handling processes. Flock’s mission is to make the world quantifiably safer by reducing accidents and insurance costs for safer fleets, and it has won industry awards for innovation and underwriting excellence. The company is headquartered in London and has expanded operations to multiple European countries.

What you will do

  • Lead the architecture and delivery of backend services using TypeScript, Node.js, and PostgreSQL, ensuring high performance and schema reliability.
  • Design and scale distributed systems on AWS utilizing Lambda, SQS, and EventBridge, managing infrastructure-as-code through Terraform or CDK.
  • Collaborate with product and data teams to translate complex fleet management needs into technical scope and measurable customer-focused outcomes.

Who this is a fit for

  • At least 6 years of professional software experience, including 1-2 years operating at a Senior level with full-stack TypeScript proficiency.
  • Proven track record of shipping and maintaining production-grade serverless applications within the AWS ecosystem and managing complex PostgreSQL databases.
  • Strong product mindset with the ability to mentor junior engineers, lead technical design discussions, and drive engineering best practices across the team.

Why this role is remarkable

  • Work at the intersection of IoT and fintech for a Series B scale-up that has raised over £50M to disrupt the global fleet insurance market.
  • High-impact ownership where you’ll build features used daily by household names like Amazon, DPD, and Uber to manage their commercial operations.
  • Join a mature engineering culture that prioritizes technical quality, providing a £1,500 annual L&D budget and dedicated time for professional growth.

How Jack & Jill work together

Jack
I get to know what you’re great at, then find roles you’d never find yourself.
Jill
I recruit from Jack’s network and make the intro when I spot a great match.
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Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.

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What happens next?

Jack’s an AI agent for job searching and career coaching. He works for you.

Jill is the AI recruiter working for the company. She recruits from Jack’s network.

If your profile’s a match and Flock wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.

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