Top Backend Developer Jobs in London

As a Staff Backend Engineer, you'll architect scalable backend systems, oversee technical decisions, mentor engineers, and optimize for performance and reliability.

As a Senior Backend Engineer, you will design and build resilient backend systems and APIs, own critical data pipelines, and prepare systems for future data growth while focusing on impact and customer outcomes.

Design, build, and operate backend services and APIs with a focus on data pipelines and system reliability within a small engineering team.

As a Backend Engineer, you will build payment infrastructure, tax engines, and systems for international commerce while collaborating with a team of experienced engineers.

As a Product Engineer focused on Backend, you'll enhance backend infrastructure, design APIs, improve reliability, and support innovative features at Granola.

As a Backend Software Engineer, you will build scalable backend applications, influence product decisions, and work with cross-functional teams to achieve impactful results on Encord's AI platform.

The Software Engineer will develop AI-based capabilities, maintain software stacks, mentor others, and tackle engineering challenges across various technical fields.

Design and develop scalable server-side components, integrate APIs, automate workflows, and collaborate with teams on financial solutions.

Join Databricks as a Staff Software Engineer focusing on backend development, responsible for building reliable, high-performance services and features for data platforms, tackling challenges in distributed systems and service architecture.

The Back-end Developer will lead the architectural rebuild in Java Spring Boot, optimize connectors, migrate business logic, and ensure system reliability.

Build and ship backend features for a multi-tenant travel commerce platform, architect scalable systems, orchestrate AI agents and feedback loops, own end-to-end features, collaborate with PMs and senior engineers, and improve codebase productivity for humans and AI.

The Senior Backend Engineer will develop features, improve code quality, mentor others, and manage the development lifecycle while focusing on customer priorities and technical decisions.

Build and maintain production Golang backend services and data pipelines for an AI-driven investment platform. Design APIs, improve performance, reliability, and observability, debug production issues, and collaborate with AI and product teams to ship scalable, low-latency systems.

Design, build and operate backend services in C#/.NET; own full development lifecycle, mentor teammates, improve reliability, observability, CI/CD, and scale microservices across AWS.

Design, run and own search and retrieval systems for a high-traffic consumer portal. Build and maintain OpenSearch/Elasticsearch indexing, query design, relevance tuning, and performant APIs/data pipelines using Python, TypeScript, SQL/NoSQL, and AWS. Collaborate with Product and Design to deliver production features at scale.

Design, implement and maintain scalable, performant backend microservices for Thought Machine's Vault. Write automated unit and integration tests, debug deployments from testing to production, collaborate with other engineering teams, and translate customer requirements into deliverable tickets.

Lead Backend Developer provides technical leadership across squads, defines architecture and engineering standards, translates business priorities into technical roadmaps, manages delivery expectations, and mentors teams to deliver scalable cloud-native back-end solutions, particularly on Azure.

Design, build, and scale backend APIs and microservices using Django, Django REST Framework, FastAPI and Pydantic. Integrate financial, climate, and ESG data, collaborate with climate risk modeling teams, apply engineering best practices, perform code reviews, and deploy systems on AWS using containerization and CI/CD pipelines.

Lead technical strategy and architecture for backend systems across multiple squads. Design and scale cloud-native, microservices, and database solutions (SQL), advise clients, mentor senior engineers, define technical standards, and champion pragmatic, secure, high-performance delivery while promoting knowledge sharing and engineering community development.

Build and scale backend systems for a managed cloud platform: design APIs, database schemas, optimize queries, ensure reliability, security, observability, and contribute to architecture and developer SDKs. Work with open source community, write docs, and participate in product-led growth activities.

Design, build, operate, and maintain scalable alerting backend systems. Drive features end-to-end, contribute to open-source, participate in on-call rotations, mentor teammates, and collaborate remotely to improve reliability, performance, and alert evaluation at scale.

The Senior Software Engineer will focus on backend development, designing and maintaining APIs and services, collaborating on features, and enhancing integrations at Motion.

A mid-level C# .Net Back End Software Engineer responsible for the software development lifecycle, collaborating with teams, and maintaining software applications with a focus on Azure cloud services.

As a Senior Software Engineer, you will build scalable distributed systems, improve developer experience, mentor peers, and lead incident responses.

As a Senior Back End Engineer at Kyra, you will develop and manage backend services, handle infrastructure deployments, and maintain CI/CD pipelines while collaborating with cross-functional teams on product features.