Senior Backend Engineer

We're building the Experience Platform that powers everything at Lemonade - the backbone that lets our teams ship fast, scale seamlessly, and focus on creating incredible experiences for millions of customers. As a Senior Backend Engineer, you'll architect solutions that make other developers' lives easier while pushing platform boundaries. You'll own our chat service that handles onboarding flows for every Lemonade customer.

In this role you'll:

Own platform services that let product teams ship features in days, not weeks

Build TypeScript/NestJS microservices that handle millions of customer interactions on Kubernetes

Partner with product teams to deliver the infrastructure they need to move fast

Level up our development experience using autonomous tools that handle everything from environment setup to production deploys

Lead architectural decisions that impact how we build, deploy, and scale products company-wide

Collaborate across product, design, and data teams to bring complex features from concept to launch

Drive platform reliability improvements that directly impact customer experience

What you'll need:

5+ years building backend systems that other engineers depend on daily

Deep understanding of modern backend architecture, microservices, and distributed systems

Experience leading technical projects and mentoring other engineers

Strong foundation in computer science fundamentals (degree or equivalent experience)

TypeScript and NestJS experience strongly preferred

Ability to work in an office environment a minimum of 3 days a week

Enthusiasm about learning and adapting to the exciting world of AI – a commitment to exploring this field is a fundamental part of our culture