Top Software Engineer Jobs in London

The Senior Software Engineer will innovate payment and billing solutions, manage financial reporting systems, and support team development in an ad-tech environment.

The Senior Software Engineer will lead the Core Data team to improve APIs, systems, and data pipelines, focusing on backend engineering and team mentoring.

Build the frontend for a perpetual trading platform, focusing on performance and real-time UI. Collaborate with team members and own features from design to production.

The Software Engineer will develop AI-based capabilities, maintain software stacks, mentor others, and tackle engineering challenges across various technical fields.

As a Senior Software Engineer, you will build and evolve backend systems for health platforms using Ruby on Rails and TypeScript, collaborating with cross-functional teams to develop solutions for complex data challenges.

The Principal Software Engineer will architect AI-enabled platforms, mentor senior engineers, and lead cross-team architectural discussions, with a focus on secure, scalable solutions on AWS.

The Senior Software Engineer will define technical foundations, support product scaling, mentor junior engineers, and drive system improvements.

Design and build reliable systems, manage technical projects, write high-quality Python code, and collaborate with researchers to deliver functional software solutions.

The Software Developer will design and maintain applications for market making, ensuring high performance and security while collaborating with various stakeholders.

As a Senior Software Engineer, you will improve code structure, lead projects, and mentor team members while focusing on Android application development.

Design, develop, and maintain secure applications using Node.js and other technologies, focusing on building REST APIs, microservices, and contributing to government projects.

The role involves leading software development for UK government projects, providing technical guidance, mentoring developers, and ensuring delivery of secure and scalable solutions.

Design, build, and maintain core components for the XRP Ledger, focusing on programmability and performance while integrating WebAssembly. Lead discussions, ensure coding standards, and engage throughout the software development lifecycle.

The Staff Software Engineer will build and maintain high-quality platforms, mentor junior engineers, drive DevOps practices, and ensure code quality while contributing to engineering community objectives.

Design, build, and operate backend services and APIs across the full SDLC. Implement, test, deploy, monitor, and support production systems on AWS. Collaborate with engineers, product, and data scientists to deliver reliable, data-focused solutions and communicate technical trade-offs to stakeholders.

As a Staff Software Engineer, you'll work on large-scale distributed systems, optimizing performance for AI inference, and managing complex infrastructure challenges.

The role involves building and maintaining critical systems for AI inference, optimizing compute efficiency, and supporting research and deployment of AI models.

Junior Software Engineers at loveholidays develop expertise in supplier integration, search systems, real-time pricing, AI solutions, and modern user experiences.

Design, build, and maintain internal tools, services, and pipelines for game development. Own delivery from design through release, improve systems, write tests and docs, support studios, and drive engineering standards and reliability.

Design, develop, and deliver scalable systems and APIs. Mentor junior engineers, lead complex engineering initiatives, troubleshoot production issues, and improve code and system efficiency. Collaborate cross-functionally, apply software design principles, and present technical findings to stakeholders.

Design, build, and maintain scalable backend systems and third-party integrations. Develop APIs, services, and event-driven solutions. Participate in architecture and design, ensure system reliability and performance, conduct code reviews, collaborate with Product and external partners, and mentor engineers.

The Senior Full Stack Engineer will design and develop scalable backend services, APIs, and infrastructure while collaborating with clients and team members. Responsibilities include end-to-end delivery, Agile methodologies, and participating in a high-performing engineering team.

Lead the design and development of AI-powered applications, mentor engineers, and collaborate across teams while ensuring high coding standards and deployment in cloud environments.

As a Senior Software Engineer, you'll develop RESTful Java APIs, integrate third-party APIs, collaborate with the project team, identify bottlenecks, and mentor team members.

Drive design, development, and deployment of .NET-based microservices, assist transition from monolith to microservices, enforce coding standards, perform profiling and tuning, collaborate with cross-functional teams, troubleshoot production issues, and participate in an on-call rota.