Senior Backend Developer

TL;DR

Senior Backend Developer: Building and optimizing mission-critical backend systems for a rapidly scaling technology platform with an accent on software engineering fundamentals, clean code, and pragmatic design. Focus on owning features end-to-end, contributing to architectural decisions, and ensuring system reliability in a fast-paced, product-focused environment.

Location: Must be based in or able to commute to London (Hybrid - 1 day per month in the office)

Salary: £90,000–£100,000 per annum

Company

A fast-growing, well-funded technology business scaling its engineering teams to build impactful, customer-facing products.

What you will do

• Design, build, and maintain scalable backend services and distributed systems.
• Own features end-to-end, from technical design to implementation and delivery.
• Contribute to architectural decisions and technical direction as the platform evolves.
• Collaborate closely with product and design teams to ensure high-quality user impact.
• Participate in code reviews and promote strong testing practices.
• Solve complex technical challenges through pragmatic debugging and refactoring.

Requirements

• Must be based in the UK or able to commute to London for hybrid work.
• Strong experience building backend services using Python or other modern languages.
• Solid grounding in software engineering fundamentals, including data structures, algorithms, and object-oriented design.
• Experience working with APIs, databases, and distributed systems.
• Product-minded approach with the ability to understand real user impact.
• Collaborative communication skills and experience in fast-paced environments.

Culture & Benefits

• Basic salary up to £100k plus bonus and share options.
• Flexible hybrid working model with minimal office attendance.
• Private medical insurance and strong wellbeing benefits.
• Generous holiday allowance.
• Dedicated learning and development budget.