Top Software Engineer Jobs in London

Software Engineers at Citadel develop, maintain, and support high-performance trading platforms, focusing on custom software solutions and system stability.

Join the Workers Runtime team to enhance performance and security of customer code execution at scale by leveraging C++ or Rust expertise.

The role involves designing secure access controls, building tooling for internal applications, mentoring junior engineers, and improving Wise's security posture.

Lead architectural decisions for Cloudflare's R2 object storage platform, designing reliable, high-throughput systems while collaborating with engineers and stakeholders to align goals.

As a Software Engineer on the cloud detection engine team, you will architect and implement a detection system processing billions of events in multi-cloud environments, collaborating with researchers to enhance security measures.

As a Senior Full Stack Engineer, you'll design and implement authorization systems and optimize performance, working across teams to enhance security and developer experience.

As a Senior Software Engineer in Release Management, you'll design and build systems for feature lifecycle management, collaborate with teams to ensure safe feature delivery, and mentor peers while driving initiatives for feature adoption and reliability.

As a Software Engineer on the Mission Dev team, you'll build custom applications, design data integrations, and provide technical expertise to clients while ensuring seamless customer experiences and feedback integration into product development.

Develop and implement reliability features, improve system performance, provide L2 support, and create automation tools for operational stability.

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.

Software Engineers at Jane Street engage in collaborative technology-driven work, using functional programming with OCaml and Python for various business problems.

The Backend Software Engineer will design and maintain backend systems using Go, leveraging AI tools, and managing AWS infrastructure to support sustainability initiatives.

The Frontend Software Engineer will build web interfaces using React and TypeScript, collaborating with design and backend teams, and utilizing AI tools for development.

As a Software Engineer at Permutive, you'll contribute to developing scalable data pipelines and robust backend services, leveraging technologies like Scala and Kubernetes for advanced data processing solutions.

As a Software Engineer at Humaans, you will build end-to-end features, improve infrastructure, and support customers using TypeScript and ReScript in a collaborative development environment.

As a Software Engineer, you'll develop backend services for crypto trading, optimize systems, and collaborate with product teams throughout the development lifecycle.

As a Software Engineer on the Applied ML team, you will design and implement solutions for customers, utilizing AI and ML technologies throughout the product lifecycle.

Build and operate Kubernetes clusters, optimize infrastructure for AI workloads, and collaborate with researchers to enhance model training systems.

Join our team as a Software Engineer focused on building a high-performance calculation engine using Rust, contributing to software design, testing, and production delivery, while supporting stability in production environments.

Develop and maintain Neo4j Aura, a Kubernetes-based Graph Database-as-a-Service, focusing on custom Kubernetes operators for managing Neo4j clusters.

As a Senior Cloud Network Engineer, you'll develop and maintain cloud networking foundations, collaborating with teams to enhance our cloud services and tackle engineering challenges.

As an Intermediate Rails Engineer, you will enhance CI/CD pipelines, manage cloud infrastructure, support reliability, and improve developer experience at Zipline.

As a Principal Software Engineer, you will lead backend projects, enhance engineering stability, and drive cross-team collaboration within a large engineering organization.

Join Odin as a Software Engineer to develop features for a full-stack platform, utilizing AI tools, and improving private market investment processes.

Join the DB Transformation team to design and maintain cloud-native services, APIs, and front-end applications, while promoting DevOps culture.