Top Software Engineer Jobs in London

Design and develop software solutions from scratch, collaborating on government projects, and participating in the software development lifecycle.

As a Senior Software Engineer, you'll lead backend and edge/IoT engineering, implement scalable solutions, mentor peers, and collaborate with teams to deliver impactful AI solutions.

Lead Software Engineer responsible for backend and edge/IoT engineering, mentoring teams, designing scalable solutions, and implementing CI/CD processes.

Own and improve Langfuse SDKs (Python and TypeScript), ensuring reliability, performance, API design, integrations with AI frameworks, OpenTelemetry support, documentation, and developer experience.

Enhance and maintain the Agave client and Solana infrastructure by debugging, designing adversarial test frameworks, profiling performance, benchmarking solutions, collaborating across teams, and producing documentation to ensure reliability, security, and scalability.

The Staff Software Engineer will lead projects, enhance tooling, collaborate with teams and clients, and uphold technical standards within a hybrid work environment.

As a Software Engineer, you'll transform systems, design high-performance distributed systems, and contribute to engineering growth and success.

Design, develop, and maintain shared microservices and core platform infrastructure. Own full service lifecycle (architecture, implementation, deployment, monitoring, and operational support). Ensure solutions are secure, scalable, performant, and adoptable; collaborate across teams, mentor colleagues, and drive engineering best practices.

Design, develop, and maintain shared microservices and core platform infrastructure. Own full service lifecycle including architecture, implementation, deployment, monitoring, and operational support. Collaborate with product and engineering teams, ensure security, performance, and reliability, and mentor colleagues while driving engineering best practices and continuous improvement.

As a Staff Software Engineer, you will focus on operational excellence by promoting strong DevOps/SRE practices, leading system reliability, and guiding teams in building scalable cloud systems. You'll influence product direction and documentation, and work on performance testing tools with a global impact.

As a Senior Software Engineer, you'll develop high-quality software solutions, mentor junior members, apply best practices in design and build, and contribute to technical decisions in a collaborative environment.

Design, develop, and maintain shared microservices and core platform infrastructure with full lifecycle ownership (architecture, implementation, deployment, monitoring, and operational support). Ensure solutions are secure, performant, scalable, and easy for teams to adopt. Collaborate across engineering, product, and business teams, and mentor colleagues to raise engineering standards.

The Principal Software Engineer will lead the development of the DeepEditor product, mentor engineers, and ensure high-quality technical solutions while collaborating across teams.

The role involves leading a team to build and enhance the demand system for a B2B marketplace, integrating AI technology, and driving growth through full-stack development and collaboration with cross-functional teams.

As a Senior Machine Learning Engineer, you will design, develop, and optimize ML solutions for enterprise customers, focusing on generative AI for improved content management. Collaborate with teams to ensure high-quality outputs and lead ML education efforts.

The Senior Software Engineer will design and maintain backend services, enhance CI/CD systems, and develop scalable AWS infrastructure, while contributing to architectural decisions and ensuring system security and observability.

Join Rothesay as a Quantitative Engineer to build functionalities on a new platform using Rust and Python, focusing on financial analytics.

As a Senior Software Engineer, you will develop and maintain Alpaca's platform services, including event streaming infrastructure and authentication systems, while ensuring software quality and reliability.

As a Senior Software Engineer, you will design and implement distributed storage components for streaming tables, improve performance and reliability, and contribute to the Apache Fluss project.

The Senior Staff Software Engineer will lead the architecture of the agentic platform, define shared service designs, partner with teams for reusable capabilities, provide technical leadership, and implement cost-management and evaluation pipelines.

As a Staff Software Engineer, you will develop backend services for the agentic platform, integrating AI capabilities and ensuring system reliability, security, and developer usability.

The Sr. Software Engineer (FE) will lead the development of scalable frontend applications using React. Responsibilities include systems design, testing strategy, performance optimization, AI integration, and mentoring.

Join a product-minded engineering team at Omnea, focusing on developing cloud-native software solutions with full-stack responsibilities using Typescript, AWS, and various modern technologies, driving growth and scalability.

The role involves building and maintaining critical systems for AI inference, optimizing compute efficiency, and supporting research and deployment of AI models.

Design, ship, and maintain telecommunication capture services in a multi-cloud environment. Modernise and operate resilient audio/video capture platforms, support production systems, and collaborate with product and customer teams to deliver robust VoIP solutions.