Salary: £80,000 - 120,000 per year Requirements: Proven ability to define and deliver long-term technical direction in ambiguous environments Full-stack development experience, with ownership of technical decisions and outcomes Experience designing and deploying scalable, observable, and maintainable systems Familiarity with microservices architecture (synchronous and asynchronous) Strong experience with NodeJS, TypeScript/JavaScript, and React Good understanding of cloud platforms (AWS, GCP, Azure) Solid grasp of database technologies and trade-offs Experience with automated testing and web security best practices Background in SaaS, ideally B2B2C or consumer-facing tech (Desirable) React Native best practices (Desirable) Native app development (iOS, Android), Expo (Desirable) Event-driven systems and distributed architecture (Desirable) Technologies such as GCP (GKE, PubSub, BigQuery), Temporal, Postgres, CircleCI, ArgoCD, Kubernetes, Helm, Docker, Terraform (Desirable) Experience in zero-to-one product development or highly innovative domains Responsibilities: Design, build, release, and monitor software systems end-to-end Collaborate with product, design, and data teams to deliver user-focused features Provide technical leadership and mentorship to other engineers Use data to inform decisions and prioritise development efforts Work flexibly across the stack, with opportunities to specialise or broaden your scope Technologies: AWS Android ArgoCD Azure BigQuery Cloud Docker GCP Helm JavaScript Kubernetes NodeJS React React Native Security Terraform TypeScript Web iOS microservices DevOps Fullstack More: We are looking for a skilled and experienced Senior Software Engineer to join our fast-paced, product-focused team building innovative technology that delivers real impact. You will work across the full development lifecycle—from design and implementation to deployment and monitoring—taking ownership of your work and contributing to a collaborative engineering culture. We offer a competitive salary, 25 days of annual leave plus bank holidays, private healthcare and life assurance, dedicated Learning & Innovation time every second Friday, hybrid working with flexible hours, and free drinks and snacks in our London office. last updated 5 week of 2026