Top Software Engineer Jobs in London

As a Software Engineer at Canonical, you will collaborate globally to shape open-source software operations, focusing on Python and Golang development, enhance DevOps workflows, and improve infrastructure operations for cloud computing solutions.

The role involves designing and delivering open source software operations code in Python, ensuring system reliability, and collaborating with teams across the Linux stack.

The Software Engineer will design, develop, and install software solutions, focusing on web applications using PHP and ensuring coding standards and technical design compliance.

The Sr. Software Engineer will design, develop, and maintain public APIs and integrations, ensuring high scalability and performance while improving code quality using AI tools.

The Software Engineer in Product will design and implement user-facing systems for Boltz Lab, focusing on usability and integration of complex machine-learning and molecular modeling features.

As a Software Engineer in Infrastructure, you will design, implement, and maintain backend systems for Boltz Lab, ensuring reliable and scalable molecular modeling workflows.

The role involves designing and developing scalable software components for a Generative Physics platform, integrating AI and simulation tools, leading technical discussions, and mentoring other engineers.

The Software Engineer will develop software for autonomous systems, collaborate with users to refine features, and build user interfaces. Responsibilities include coding, testing, and interfacing with robotic systems while fostering a culture of excellence.

Design and develop software solutions in C++. Collaborate with customers for requirements, maintain existing systems, and troubleshoot issues.

As a Software Engineering Intern, you will contribute to building features for user-facing products, APIs, and scalable services for machine learning. Responsibilities include crafting code, designing data pipelines, implementing tools, and enhancing technical documentation.

As a Software Engineer on the Storage Infrastructure team, you will design, build, and operate systems for managing large-scale research data securely and reliably across multiple regions.

Design and develop a scalable trade processing and reporting platform while working with cross-functional teams. Requires advanced experience in Java and cloud technologies.

As a Senior Software Engineer, you'll solve financial problems through coding, develop distributed systems, and work collaboratively in a fast-paced environment.

Design and evolve core banking services, ensuring scalability, resilience, and security while influencing technical direction and mentoring team members.

Software Engineers at Zopa focus on building scalable microservices and solving financial problems, working collaboratively with various teams.

Design, implement, and optimize a low-latency high-frequency trading platform for cryptocurrency markets; collect market data, disseminate orders, analyze throughput/latency, build performance tools, and develop access to historical data and simulation systems.

As a Software Engineer, you'll develop low-latency trading applications and infrastructure, focusing on optimization and system performance in a fast-paced environment.

Design, build, test, and maintain backend services, distributed systems, APIs, and frontend integrations for a last-mile delivery platform. The role requires strong ownership, architectural judgment, correctness, maintainability, and clear technical communication. Responsibilities include working with C#/.NET, event-driven systems, caching, Azure storage, RESTful APIs, webhooks, real-time integrations, and SPA frameworks while using AI-assisted development responsibly.

Develop performant, reliable, and well-tested software across backend, frontend, distributed systems, blockchain integrations, and cloud-based applications. The role emphasizes core Java, pair programming, continuous integration, automated testing, knowledge sharing, team rotations, and regular personal development. Developers work collaboratively across a broad technology stack while contributing to a high-performance financial exchange and improving developer experience and technical debt.

Design, build, deploy, monitor, and support backend systems and services using Python and AWS. Own the full software development lifecycle, including requirements, architecture, implementation, testing, production operations, debugging, and continuous improvement. Collaborate with engineering, product, and data science teams to deliver reliable APIs, integrations, reporting, and data-focused capabilities. Communicate technical decisions clearly and practice frequent, high-quality delivery through automated testing and collaborative development.

Build and maintain integrations for North's agentic platform, own the end-to-end integration pipeline, create evals and tests to ensure reliability, tune tool descriptions, and help other engineers add and maintain integrations while using AI responsibly to improve performance and quality.

Design, build, and maintain Aalyria’s cloud-native Spacetime platform for 5G non-terrestrial networks and Direct-to-Cell services. Develop distributed backend systems using C++, Golang, Java, gRPC, Protocol Buffers, and Kubernetes. Translate 3GPP and O-RAN specifications into tested software, build orchestration and federation APIs, integrate platform components, document implementations, and troubleshoot production issues.

Lead an agile engineering team to design, develop, review, and maintain secure, high-quality production code. Provide technical guidance, drive product and architecture decisions, champion AI-assisted development practices, ensure SDLC automation and validation, and promote reuse and operational stability across engineering teams.

Lead design and delivery of metadata, meta-modelling, and distributed systems. Build secure, high-quality production code, drive adoption of AI-assisted engineering, improve SDLC automation and cloud-native delivery, set validation and governance standards, mentor engineers, and influence product and technical decisions.

Summer software development internship building low-latency trading applications and tools. Deliver self-contained features within an existing production codebase, use AI coding tools responsibly, and collaborate with development and trading teams to improve performance-sensitive systems.