Senior Software Engineer

Senior Software EngineerHigh-Growth FinTech Central London - HybridUp to £120,000 + Equity We're working a well-backed, product-led fintech that's scaling fast and building genuinely disruptive technology in a market ripe for change. With strong technical foundations, a high bar for engineering quality, and a product that solves a real problem at real scale - they're looking to add a backend centric Senior Software Engineer to their growing function. You'll be a key contributor across backend systems - owning design, architecture, and delivery of core infrastructure. You'll collaborate closely with product, mentor other engineers, and be trusted to make autonomous calls on complex, ambiguous problems.What we need to see from a Senior Software Engineer:Experience with payments systems & high-volume transaction environments: Ideally within fintech or financial services, though strong eCommerce/Consumer/Gaming payments infrastructure experience will also be consideredStrong Typescript & Node.js experience - this is the core of how the team buildsAWS cloud infrastructure, containerised deployments (Kubernetes), and Infrastructure as Code (Terraform)Event-driven, distributed architecture and publicly accessible REST APIsSystem design, scalable architecture, and product problem-solvingTesting philosophy, quality standards, and security within distributed systemsAI tool fluency - this is an active part of how the team worksContinuous delivery and fully automated deployment pipelinesThe Package: Salary up to £120,000Equity Competitive Holidays & BenefitsFlexible Hybrid Set-Up - 1-2 days per week onsiteCentral London office If you're a Senior Software Engineer ready to take your next step with an up and coming fintech making real waves in the payments space - we'd love to hear from you. ** Unfortunately due to a high number of applications, not all applicants will receive feedback.