Top Software Engineer Jobs in London

Design and develop cross-platform mobile solutions using React Native, collaborating with teams to create integrated consumer experiences while ensuring app performance and reliability.

Build and ship agentic LLM systems for Treasury: cash monitoring, funding execution, narrative generation, and discovery-to-deployment pipelines. Create reusable agent infrastructure, governance, evaluation, and partner with engineering to ensure data accuracy while embedding with operators to scope and iterate solutions.

The role involves designing and maintaining a data platform, enhancing system efficiency, implementing data query solutions, and technical reviews within a data engineering team.

Design and develop software solutions, analyze complex problems, and provide support for trading activities in a dynamic environment.

As a Software Engineer at Legora, you will build and implement features for a web platform, maintaining code quality and mentoring junior colleagues.

The Senior Options Software Engineer will design, develop, and support a high-performance trading platform, collaborating with business leaders to create innovative software solutions and handle complex systems support for trading activities.

The Software Engineer develops solutions for complex projects, leads application architecture planning, collaborates with teams, and mentors junior members, ensuring quality and efficiency in software delivery.

The Senior Backend Software Engineer will design, develop, and maintain scalable backend services, optimize applications, build APIs, and collaborate across teams to improve user workflows and product efficiency.

The Senior Front End Software Engineer will architect and develop user interfaces for data-intensive applications, mentor peers, and engage directly with users to improve product features.

The Senior Backend Software Engineer collaborates in teams to design and build scalable infrastructure systems, optimizing data-driven applications across sectors.

As a Full Stack Software Engineer, you'll develop and architect user interfaces, manage APIs for data workflows, and improve applications within the Foundry platform, while collaborating closely with users to understand their needs.

Backend Software Engineers at Palantir build scalable software solutions, collaborate across teams, and develop systems for data processing and storage, enhancing product capabilities.

As a Software Engineer on the Apollo platform, you'll build and maintain systems for software deployment, solve customer issues, debug complex problems, and collaborate across teams.

Backend Software Engineers at Palantir build and maintain scalable backend services, develop APIs, optimize applications for performance, and collaborate across teams to shape user workflows.

The Forward Deployed Software Engineer at Palantir collaborates with customers to architect and build AI-driven solutions using large-scale data to address critical challenges.

Forward Deployed Software Engineers design solutions for customer challenges, involving architecture discussions, coding, and project execution, while ensuring user impacts are considered.

As a Software Engineer at Citadel, you will build systems for investments, collaborate with researchers, and tackle complex problems.

The Senior GenAI Software Engineer will architect AI systems for ad creatives, prototype solutions, and mentor teams while driving innovation in generative AI applications.

Develop and maintain internal build, test, and integration tooling for the ML software stack. Build release processes, assist dependency management, guide developers on build best practices, collaborate with QA and engineers to resolve integration issues, and contribute fixes to the ML software stack.

Join a multidisciplinary Agile team to design, build and maintain highly distributed, real-time, cloud-native sportsbook and risk-management systems. Contribute across the stack (front-end, back-end, infrastructure), apply good software design, TDD, CI/CD and scalable microservice patterns, and collaborate with DevOps, Data Science and QA to deliver high-quality, observable products.

As a Software Engineer, you will develop backend services for AI applications, optimize cloud infrastructure, and manage production-level deployments.

Design and build scalable, multi-tenant payment and embedded finance platform features. Own cross-domain product integrations, collaborate with Product/Design/Compliance/Sales, optimize performance and reliability, and drive multi-team technical initiatives that impact enterprise customers.

The Forward Deployed Software Engineer will work with clients to build and maintain applications that solve business problems, enhance workflows, and drive value quickly. The role emphasizes collaboration, independent problem-solving, and a focus on customer success.

Seeking a Senior Software Engineer for the Beacon Core Engineering team to design, build, deploy, and maintain software tools and assist clients using AI agents, focusing on quality code and collaboration.

Lead technical direction for enterprise-scale data and account-control systems across the full stack. Drive architecture, engineering practices, and production features from design through deployment, collaborating with Product and Design to deliver reliable, user-facing web products.