Top Backend Developer Jobs in London

As a Senior Software Engineer, develop systems and APIs, ensure scalable features, and lead engineering efforts in a fast-paced environment.

As a Principal Backend Engineer, you will build scalable backend services with Java, design APIs, implement microservices, and work with AWS cloud technologies.

As a Senior Software Engineer, you will enhance the account details platform, focusing on backend development to support cross-border payments and improve customer onboarding.

Lead and develop a high-performing engineering team, drive technical leadership, and evolve architecture and processes to enhance product scalability and data capacity.

As a Senior Backend Engineer, you will enhance accounting integrations and reporting, improve workflows, localize offerings, and build an extensible platform.

The role involves designing and building cloud-native applications using Java and Spring Boot, focusing on scalable microservices for financial institutions while leading agile practices.

The Senior Software Engineer will enhance the Acquiring Platform by expanding payment methods, optimizing APIs, and working on global ecommerce integrations while mentoring fellow engineers.

Responsible for setting technical strategy, collaborating across teams on backend systems, ensuring operational reliability, fostering team culture, and developing team talent.

Lead development projects focusing on customer experiences and operational management. Mentor other engineers, make strategic tech decisions, and solve complex challenges while contributing high-quality code.

The Senior Backend Software Engineer will develop and maintain a cloud-based video surveillance system, focusing on backend development, feature enhancement, and system scalability in a collaborative agile team environment.

Join Wise's Consumer Onboarding team as a Senior Software Engineer to build scalable onboarding systems and enhance customer experience.

Join a collaborative team to build and optimize the AI infrastructure. You'll work on various projects with end-to-end ownership and make significant impacts. Engage in problem-solving and contribute to enhancing products using modern technologies.

The Back End Engineer role involves maintaining and improving Perl-based systems, developing features, ensuring operational stability, and collaborating on system improvements with a proactive approach to incident response and reliability.

As a Senior Software Engineer, you'll innovate and maintain content storage infrastructure, collaborate on scaling services, and anticipate operational risks.

The Senior Software Engineer will design and build backend services for health data, improve reliability, and deliver robust solutions to enhance patient care.

The Senior Backend Engineer will develop backend features for an AI product in healthcare, focusing on systems architecture, data storage, and API integration, while ensuring code quality and scalability.

The Senior Backend Engineer will design and build scalable backend systems, manage projects from design to deployment, write clean code, and collaborate with product teams to address customer problems.

As a Staff Engineer at LemFi, you'll drive technical strategies for the Remittance Platform, ensuring scalable systems and mentoring engineers. You will shape the architectural decisions and improve engineering standards to enhance productivity across teams.

The Backend Engineer will build backend systems for personalized content delivery, collaborate with ML teams, and ensure production reliability for Spotify's services, focusing on user engagement and A/B testing.

As a Staff Software Engineer, you will design and deliver backend services and APIs, lead cross-team initiatives, support production services, and mentor junior engineers in a DevOps-oriented environment.

Join as the second backend engineer to build scalable infrastructure for real-time voice interpretation, owning the core API platform, and architecting systems for high concurrency.

Lead the architecture and development of backend services and APIs for e-commerce platforms, ensuring scalability and security while collaborating across teams.

As a Senior Back-end Engineer, lead development of scalable microservices and RESTful APIs for a fintech B2B SaaS platform, with a focus on integration and performance.

Join Userled.io as a Senior Product Engineer, where you'll design backend systems, develop REST APIs, and collaborate on strategic decisions in a PM-free environment.

Design and scale backend systems for an AI-native fashion marketplace, integrating complex payment workflows and mentoring junior engineers.