Top Software Engineer Jobs in London

Design and implement AI infrastructure for cross-border e-commerce: optimize GPU scheduling on Kubernetes or Ray, improve cluster high-availability and fault tolerance, build efficiency evaluation models, and introduce cutting-edge AI infra technologies.

Design, develop, test, and deliver features for Webex real-time media services. Participate in DevOps, microservices operations, and on-call rotations. Build automated tests, investigate issues, apply AI tools to workflows, and grow through mentorship and training.

As a Senior Software Engineer, you will design and build Palantir's managed Kubernetes products, automating operations across diverse environments. You'll ensure scale, stability, and security while contributing to CNCF tools and improving infrastructure standards.

Build and maintain full-stack features for customer and internal web apps, design backend APIs for onboarding and transactions, integrate third-party services, implement OAuth2 authentication, operate in a microservices AWS environment, ensure security, performance, observability, participate in code reviews and architecture, and write technical documentation.

Design, develop, and maintain web applications, Python middleware, and automation for BEAR research computing. Deploy and operate services on Linux/BEAR Cloud, improve CI/CD and testing, integrate systems (e.g., GitLab, ServiceNow), support users, participate in triage/housekeeping rotas, and collaborate on technical design and engineering practices to improve reliability and scalability.

Build and maintain the Internal Engineering Platform and CI/CD systems to help internal teams release software reliably. Automate build/release/deploy processes, manage artifact and configuration tooling, integrate observability, operate platform services (on-call), and collaborate with security and application teams to drive developer productivity.

Design, build, test and maintain motorsport applications (C++). Fix bugs, support the support team, produce documentation and tests, and deliver features on short timelines while learning and improving.

The Software Engineer will shape AI governance in developer tooling, build product features, collaborate with teams, support users, and innovate rapidly.

Lead the design and implementation of core authentication infrastructure at Phantom, focusing on secure authentication systems, secrets management, and API integrations.

As a Software Engineer, you'll develop trading APIs and systems, enhance user experiences, and lead initiatives for blockchain support and new products.

As a Software Engineer - L3 Support, you will resolve complex Ubuntu-related issues, collaborate with teams, and participate in upstream communities to drive bug fixes and improvements.

As a Software Engineer, you will resolve complex customer issues related to Ubuntu and open source software, participate in upstream communities, and develop and review code across multiple layers of the software stack.

Develop and enhance Neo4j's core network server modules and drivers, design and implement features for the Bolt and HTTP protocols, collaborate with product managers and stakeholders on protocol direction, and contribute to community outreach such as blog posts and training.

As a Senior Software Engineer, you'll shape product features, write backend and frontend code, improve infrastructure, and support integrations in a collaborative environment.

Develop and maintain enterprise applications using Camunda BPMN, Java and Spring Boot. Implement front-end features with Angular/Vue/React, integrate microservices, use source control and IDEs, write documented and tested code, and work independently in cloud-based environments. Containerization and orchestration (Docker/Kubernetes) are advantageous.

As Software Architect, you will shape OLIX's technical vision in hyperscale AI infrastructure, define architectural standards, and mentor senior engineers across the organization.

As a Software Engineer on the Agent Engineering team, you'll design and build AI agents to enhance customer interactions, collaborating with various industries and addressing complex challenges.

As a Software Engineer in Infrastructure Reliability, you'll design and build resilient systems, optimize performance, improve automation, and collaborate with teams to enhance infrastructure reliability.

As a Software Engineer, you'll develop and enhance core analytics libraries using C++ and Python, collaborate with quants and traders, and ensure high-quality software delivery.

The Helix Software Engineer will manage the ISAM Helix Trading System, improve trade execution, onboard new brokers, and enhance system architecture while supporting production.

The Platform Engineer will enhance and scale Lovable's developer experience, focusing on improving engineering workflows, building application frameworks, and maintaining observability across teams.

The Fullstack Growth Engineer will build user engagement and monetization systems, focusing on growth, ecosystem features, and collaboration across functions to enhance user success and revenue generation.

Develop and maintain security-focused cloud services and infrastructure, design APIs and backend systems, integrate with embedded platforms, fix bugs, write automated tests, and apply cloud and secure software best practices to ensure scalable, reliable, and secure operation.

The Senior Backend Software Engineer will design, build, and maintain scalable backend systems. Responsibilities include collaboration with teams, API implementation, and ensuring best practices in software engineering.

Design and implement software solutions for government clients, ensuring high quality and adherence to coding standards while collaborating with cross-functional teams.