Top Software Engineer Jobs in London

Embed with mission teams to solve complex engineering problems, coach engineers, champion AI adoption, build platform tooling, and design reliable cloud-scale systems focused on high-performance front-end experiences.

Design, build and run scalable, maintainable services in the cloud. Own end-to-end application development, collaborate across product and design, emphasise observability, testing, reliability and high-performance search, pricing and booking systems.

The Senior Software Engineer at Carbon Re will develop cloud architectures, deploy workloads in customer environments, guide junior developers, and improve existing systems through collaborative practices and CI/CD pipelines.

Design, develop and maintain AI-powered software applications. Collaborate with teams, troubleshoot software, and integrate AI algorithms. Stay updated with technology trends.

The Staff Software Engineer will design and implement a modern cloud-native healthcare platform using Elixir, enhancing access control, system reliability, and workflow efficiency.

The Head of Engineering directs the custom development of proprietary products, leading a product engineering organization to deliver secure, reliable software solutions while meeting regulatory obligations.

Design and optimize performance-critical systems, focusing on streaming, networking, and storage. Collaborate with teams, driving continuous improvement and technical excellence.

As a Senior Software Engineer, you will design, build, and maintain scalable software solutions using Node.js and TypeScript, while mentoring junior engineers and ensuring product reliability.

Join Ravio as a Senior Software Engineer to lead development in a growing team, focusing on end-to-end product stack implementation and collaboration with technical cofounders.

Lead technical design and architecture across the stack during a platform shift to an agentic platform. Own system design for durability, orchestration, performance, cost, and observability. Drive technical decisions, code and design reviews, and ship quickly as a hands-on individual contributor while enabling future engineering growth and potential people management.

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

The Senior Python Engineer will design and implement features for data science applications, mentor junior engineers, and ensure system architecture aligns with best practices in a SaaS environment.

The role involves building and owning revenue-critical backend infrastructure, optimizing data systems, and ensuring high performance for a growing B2B platform.

Develop and optimize automated trading infrastructure, collaborate with Traders and Quants on trading algorithms, and create scalable multi-tiered applications.

Lead backend development for Connected Devices Platform: build high-volume streaming services, backend-for-frontend APIs, scalable domain services, and resilient databases. Design architectures, improve dev/ops processes, mentor engineers, and integrate agentic AI capabilities. Work with cloud deployments, Kubernetes, and diverse datastore technologies to scale and maintain platform reliability and performance.

As a Software Engineer, you will develop and maintain API products, implement features, and ensure code quality while understanding customer needs and improving products.

The Senior/Staff Software Engineer, AI will develop AI-powered features, design backend services, and optimize workflows, ensuring integration and user experience. The role requires collaboration across teams to innovate and improve AI applications.

Lead technical direction and delivery of large-scale AI/ML platforms. Architect microservices and shared libraries, align ML, data science and DevOps, coach distributed engineers, define production readiness, and drive hiring and standards across software engineering.

Build and maintain Dialpad's native Salesforce integration and other integrations, design architecture, write clean modular code with unit tests, participate in code reviews, mentor engineers, support ETL pipelines, and contribute to Agentic AI initiatives to enable real-time automations and data flows.

Lead development teams, mentor junior developers, ensure project quality and adherence to standards, and manage technical aspects of projects while maintaining communication with clients.

As a Software Development Engineer III, you will enhance payment intelligence products, improve customer experience, and lead growth initiatives.

Responsible for managing the lifecycle of accelerator capacity, developing AI infrastructure, and driving cross-team initiatives while ensuring operational excellence and mentoring engineers.

The Staff Software Engineer will enhance Kubernetes scheduling for multi-cloud environments, design core services, ensure reliability, and collaborate with various teams to optimize performance.

Rover seeks a Lead/Senior Software Engineer with 7+ years of experience, specializing in frontend technologies like ReactJs and Python. Responsibilities include building customer-facing products, mentoring team members, and promoting engineering best practices. The role includes collaboration on projects and a commitment to inclusivity and diversity in the workplace.

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