Senior Backend Developer London (Hybrid - 1 day per month in the office) Basic salary £90k to £100k strong package An exciting opportunity for a Senior Backend Developer to join a fast-growing, well-funded technology business that's scaling rapidly and investing heavily in its engineering teams. This is a role for someone who enjoys building reliable, well-designed backend systems and wants to stay close to real product impact as the platform grows. The Senior Backend Developer will be part of a product-focused engineering team working on customer-facing, mission-critical systems at scale. The emphasis is on strong software engineering fundamentals rather than framework-driven development - clean code, thoughtful design, and pragmatic problem-solving matter far more than ticking boxes on a tech stack. As a Senior Backend Developer, you'll be working in an environment that is collaborative, fast-moving, and delivery-focused where engineers are trusted to own features end-to-end, contribute to technical direction, and make sensible architectural decisions as the platform evolves. There's a genuine balance between autonomy and teamwork, with space to experiment, learn, and continuously improve how things are built. Senior Backend Developer - Key Requirements: Strong experience building backend services using Python (or another modern backend language) Solid grounding in software engineering fundamentals, including data structures, algorithms, and object-oriented design Experience designing, building, and maintaining scalable backend systems Comfortable working with APIs, databases, and distributed systems Strong problem-solving skills and a pragmatic approach to debugging and refactoring Experience working with version control, testing practices, and code reviews Product-minded - able to think beyond the code and understand real user impact Experience working in fast-paced environments with evolving requirements Collaborative communicator who enjoys working closely with engineers, product, and design Senior Backend Developer - Salary & Benefits: Basic salary up to £100k Bonus and/or share options Private medical insurance Generous holiday allowance Flexible hybrid working model Learning & development budget Strong wellbeing benefits and additional perks If you're a Senior Backend Developer looking for a role where you can focus on fundamentals, build meaningful products, and grow alongside a scaling tech business with serious investment behind it, this is a strong opportunity. We are an equal opportunities employer and welcome applications from all suitably qualified candidates, regardless of race, sex, disability, religion/belief, sexual orientation, or age.