Fullstack Engineer (Backend leaning)

Fullstack Engineer (Backend leaning) LocationLondonEmployment TypeFull timeLocation TypeHybridDepartmentEngineeringOur MissionWe're not your average benefits platform; we're the unordinary force that uplifts people's lives. Our technology is the link that connects the entire benefits ecosystem, creating better outcomes for employers, employees, brokers, and providers.Our mission is clear: we're here to create a world where everything operates at its very best, ensuring that every employee receives the support they need to live life to the fullest, both at work and beyond.Your MissionAs a backend leaning Full-stack Engineer at Ben, you’ll help build and scale the features that power our platform from benefits browsing and payments to provider integrations and smart admin tooling.You’ll take features from idea to production: understanding the problem, scoping solutions, building, shipping, and making sure what you deliver truly solves the need. You won’t just be handed tickets, you'll contribute to shaping why we build things, how we build them, and what the future of our product looks like.You’ll collaborate across product, design, and engineering to make decisions that matter: data models, integration patterns, API design, scalability choices, and how we support a system used by hundreds of thousands of people. At Ben, everything is connected so what you build helps power payroll workflows, provider integrations, notifications, and everything in between.And you’ll do all this as part of a fun, fast-moving startup, spending 2 days a week with the team in our Barbican office.Things you will be working on…Build and ship backend-leaning fullstack features across the product (APIs, services, integrations, and React frontend)Are pragmatic and can balance shipping fast with thoughtful engineeringWork closely with product managers to understand context and shape solutions earlyCollaborate with designers to create polished, intuitive experiencesContribute to technical discovery, architecture thinking, and implementation planningAsk product and UX questions when something doesn't quite add upDesign with scale, reliability, and enterprise readiness in mind (security, compliance, flexibility)Own your work from idea to production and care about the impact once it’s liveHelp improve developer experience, tooling, and internal standardsEnsure security best practices (OWASP, AWS Well-Architected, etc.) are embedded in how we ship softwareYou will thrive in this role if you…Have strong experience building modern web apps, especially backend systemsAre comfortable in Python and TypeScript (or excited to learn quickly)Care about solving real user problems, not just closing tasksEnjoy collaborating directly with PMs and designers without needing perfect specsLike figuring out the how with autonomy and the why with curiosityKnow what it means to build for enterprise scaleAre pragmatic able to balance scrappy shipping with thoughtful engineeringCommunicate clearly and enjoy working with friendly, ambitious peopleNice-to-haves, but not deal-breakers:Experience with financial platforms, HR tech, or B2B SaaSExperience building reliable workflows with tools like TemporalYou will not love this role if you…Prefer a slow or highly predictable pace we move quickly and value actionFeel uncomfortable owning projects end-to-end and being accountable for outcomesPrefer maintaining the status quo we challenge assumptions and improve constantlyWant a heavily structured environment we’re still building processes as we growStruggle with ambiguity or prefer prescriptive direction you’ll get context, but you’ll need to figure things outWait for others to take initiative this is a proactive, high-performance teamNot sure if you meet 100% of the requirements?That’s okay, careers aren’t linear. If you have a strong technical foundation, solid backend experience, and enthusiasm for fullstack engineering in a fast-moving startup, we’d love to hear from you. Just make...