Top Backend Developer Jobs in London

As a Senior Backend Developer at Awarri, you'll build and maintain backend systems for AI platforms, focusing on scalable architectures, data integration, and real-time communication.

As a Backend Engineer at Trust Wallet, you'll develop backend features for multiple platforms, maintain infrastructure, ensure system monitoring, and foster team growth.

Lead design and implementation of high-performance agent runtimes, backend services, and self-hosted model/agent infrastructure. Build low-latency execution systems, real-time data pipelines, telemetry loops, CI/CD for zero-downtime deployments, and ensure fleet reliability on AWS/EKS.

The Senior Backend Engineer will enhance back-end development with Python/Django, implement new features, and improve architecture while collaborating with an Agile team.

The Senior Staff Backend Engineer will lead technical direction for systems, manage engineering standards, mentor teams, and ensure alignment with broader company goals. Responsibilities include hands-on coding, architecture, and partnership with product teams to maximize impact.

As a Senior Backend Engineer, you will collaborate with cross-functional teams to build resilient software and support various banking operations using technologies like Go and Kubernetes.

As a Staff Backend Engineer, you will collaborate across teams to build and improve backend systems using various technologies, focusing on customer-centric solutions and resilient software.

The Backend Developer will manage and evolve microservices, implement features, maintain database scripts, debug issues, and ensure service reliability in a cloud-native environment.

Design and develop cloud services using JVM technologies, focusing on high availability and scalability while implementing automated delivery with CI/CD pipelines.

The Senior Backend Engineer will design and build scalable systems, mentor junior engineers, identify process efficiencies, and communicate technical challenges effectively.

The Expert Backend Engineer will develop and maintain large-scale components for cloud security, emphasizing clean, efficient code and collaboration with teams.

The role involves leading backend-focused engineering initiatives, evaluating project impacts, and ensuring effective team collaboration within a high-performance engineering culture.

Design and build scalable, reliable backend services and APIs; own architecture through production; collaborate cross-functionally; drive technical decisions; build secure, observable distributed systems; mentor engineers and resolve production/performance issues at scale.

The role involves diagnosing and resolving production incidents, developing fixes in Java, collaborating with teams, and improving system reliability while managing documentation and monitoring performance.

Lead architecture and implementation of large-scale, distributed backend systems. Design databases, processing systems, APIs, and protocols; drive major migrations and re-architectures. Own reliability, monitoring, and production operations while mentoring engineers and driving cross-team technical alignment.

Lead technical direction across multiple squads; design, build, and scale backend systems (Python/Django), data pipelines, and third-party integrations; drive complex initiatives end-to-end; mentor engineers, run architectural reviews, and improve reliability, observability, and performance; partner with PMs and leadership on roadmaps and trade-offs; participate in on-call rotation.

Nango is hiring Senior and Staff Backend Engineers to design, build, and optimize backend systems and APIs, collaborating with customers and driving product strategy.

Take end-to-end ownership of backend features and SaaS services in a microservices architecture. Design, implement, deploy, and operate scalable, reliable Node.js services. Work with Redis Streams, MongoDB, Kubernetes, and ensure test coverage, performance tuning, and collaboration with cross-functional teams.

The Software Engineer (Python) role involves developing and maintaining an AI platform, building scalable APIs, and collaborating with cross-functional teams to enhance AI workflows for financial firms.

As a Software Engineer, you'll design and build backend systems, develop APIs and microservices, and ensure system reliability while collaborating with cross-functional teams.

Design, build and maintain backend .NET services for high-volume transactional rail booking systems. Deliver features, ensure quality and observability, own deployments and monitoring, mentor teammates, and drive technical decisions within an Agile team.

Build and operate backend services for a high-volume crypto trading platform, including order management, market data processing, REST APIs and WebSocket streams. Collaborate with product, frontend, and trading teams to ensure low-latency, scalable, and highly available systems.

As a Senior Backend Software Engineer, you will develop and maintain the SaaS platform, focusing on user-centric design and implementation using a variety of technologies. Your role involves collaborating with teams to meet customer needs and enhance the product.

Lead development of ICE's copyright product: design and implement scalable AWS-based microservices, collaborate with product teams, conduct code reviews, own technical decisions, mentor engineers, champion quality and testing, and explore AI-assisted engineering to improve productivity.

The Backend Engineer III will collaborate with cross-functional teams to design and build parts of Monzo's banking platform using technologies like Go and Kubernetes, focusing on customer outcomes and resilient software.