Top Backend Developer Jobs in London

As a Backend Engineer at Teya, you will develop and maintain backend systems, contribute to feature development, collaborate with cross-functional teams, and focus on improving code quality and efficiency.

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.

As a Backend Engineer, you'll enhance accounting integrations, improve workflows, expand global offerings, and build a scalable platform architecture.

The Senior Software Engineer will enhance the Acquiring Platform by designing and implementing payment methods, APIs, and managing stakeholder relationships. Responsibilities include building scalable infrastructure for merchant payment systems and optimizing distributed architectures.

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.

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

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

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 Back End Engineer, you will build scalable services, integrate data sources, and contribute to the development lifecycle, ensuring code quality and supporting the product. You will collaborate with cross-functional teams to enhance customer insights and experience.

As a Staff Backend Engineer, you'll lead the technical vision for Payments and Fulfilment systems, mentor engineers, and ensure scalability and security.

The role involves developing and maintaining back-end systems for e-commerce platforms using .Net technologies, ensuring data delivery and optimizing application logic. Responsible for integrating API services and enhancing application performance.

Lead assessment and redesign of backend architecture to improve reliability, scalability, multi-tenancy, and security. Design core abstractions and pipelines with platform/infrastructure teams, set technical direction for scaling to thousands of customers and tens of millions of documents, raise engineering standards, and ship production-grade systems while remaining hands-on.

The Senior Back-End Software Engineer will implement features, improve logic, write integrations with APIs, and contribute to design discussions within a startup environment.

Back-end engineer to build and scale NLPatent's AI-first patent research platform. Work with CTO and senior engineers to develop Python/Django services, containerized deployments, and relational database-backed features. Collaborate on integrating NLP/LLM capabilities and ensure production-ready systems. Hybrid role requiring three days onsite weekly.

As a Senior Product Engineer, you'll build AI-powered workflows, enhance billing infrastructure, and ensure the reliability of production backend systems while collaborating with a small cross-functional team in a fast-paced environment.

Build and maintain backend services for client CI infrastructure, drive migrations from Python to Java, improve local testing and observability, implement monitoring and logging, document services, and collaborate to enhance developer CI experience and automation.

The Back End Engineer will develop scalable solutions, manage API integrations, and contribute to complex projects while collaborating closely with the Finance Technology team.

As a Backend Engineer, you'll enhance Spotify's perimeter infrastructure, ensuring stability, security, and high performance while collaborating with various engineering teams.

The Backend Engineer will improve Spotify's core infrastructure systems, focusing on reliability and scalability for content delivery management and central services.

Develop robust .NET backend applications and APIs, integrating with SQL Server and external APIs, while optimizing data access and workflows.

The Backend Developer will design and deliver backend services using Kotlin/Java, contribute to architectural decisions, ensure code quality and technical documentation, and collaborate with stakeholders in a healthcare SaaS environment.

As a Backend/Fullstack Engineer at Hook, you'll design and build product features, manage architecture, review code, and improve processes, focusing on both frontend and backend development using Python and React.

As a Product Engineer at V7, you'll develop APIs, scale multi-modal data handling, manage infrastructure, and enhance AI model applications.

As a Backend Engineer at Uphold, you'll build and enhance APIs and microservices with a focus on maintainability, performance, and security while collaborating across teams.