Top Software Engineer Jobs in London

Develop and enhance MAAS core components, improve architecture, collaborate across teams, and ensure high standards in documentation and CI practices.

The Staff Engineer will enhance developer workflows and platforms, focusing on local development, integration of AI in SDLC, and collaboration to improve CI/CD and productivity metrics.

This role involves enhancing Firefox development workflows, mentoring team members, and improving integration and automation processes while working in a distributed team.

Seeking a Senior iOS Engineer to design, develop and enhance mobile applications, mentor junior engineers, and collaborate with cross-functional teams for user-centric feature delivery.

Lead a small team to develop and maintain cloud-based services using JavaScript, TypeScript, and Node. Oversee project delivery, collaborate with cross-functional teams, ensure data security, and optimize performance.

Build end-to-end testing, evaluation, and feedback systems for a global GenAI assistant. Design data pipelines, APIs, and dashboards; own features from design to production; ensure safety, compliance, and quality; provide technical leadership and mentor peers.

The Senior Software Engineer will lead the design and development of a multi-tenant SaaS platform, assist in technical projects, mentor junior engineers, and ensure system reliability and performance optimization.

Design and implement a liquidity management engine using modern architecture. Collaborate on requirements, and ensure high availability and scalability. Advocate for event-driven practices.

The Senior Software Engineer will develop and maintain FX trading services, lead technical discussions, mentor engineers, and ensure high performance in a microservices environment.

Build and maintain product features that streamline property transactions. Use LLMs and AI coding agents to accelerate development, debug issues, and iterate rapidly. Own tasks from day one, collaborate with a small team, and apply practical problem-solving to deliver customer-facing improvements.

As a Senior Software Engineer, you'll develop RESTful Java APIs, collaborate with cross-functional teams, and enhance software delivery processes while mentoring peers.

In this role, you will build scalable microservices and APIs using Node.js and TypeScript, mentor engineers, and collaborate across teams to deliver reliable services.

Join the 3D graphics team at Mapbox, working on open source vector map rendering, graphics programming, and improving performance for location technologies.

The Senior Full Stack Engineer will design, build, and own scalable SaaS applications, focusing on performance, reliability, and future-ready architectures, while mentoring engineers and collaborating with Product and Design teams.

The Staff Software Engineer will develop AI tools integrated with game engines and services, focusing on C++ and automation for game development.

As a Senior Software Engineer, you'll design scalable backend systems, optimize databases, deploy workloads on AWS, and mentor mid-level engineers.

The role involves building microservices, designing scalable architecture, integrating with third-party systems, and managing backend services.

As a Senior Software Engineer (Backend) at Apron, you'll design systems, develop core financial integrations, and collaborate with cross-functional teams to innovate and improve the product experience.

As a Senior Software Developer, you'll design, build, and scale systems for game server hosting using various technologies while collaborating across teams.

Design and build production-grade systems for an intelligent logistics marketplace, tackling complex challenges and collaborating with stakeholders, while mentoring junior engineers.

Join the Growth Engineering team to build user journeys and subscription funnels, lead technical strategy for experiments, shape the roadmap, and improve engineering culture. Drive projects end-to-end with a focus on conversion and UX, mentoring others across the stack.

Lead the delivery of scalable software solutions to improve patient outcomes in primary care. Collaborate across teams to define requirements and drive impactful changes.

As a Lead Software Engineer, you will lead teams in developing high-quality applications, manage junior staff, and provide technical leadership, while ensuring adherence to software development best practices.

As a Senior Software Engineer, you'll develop high quality solutions, collaborate on technical decisions, mentor juniors, and work with modern software practices.

The Senior Software Engineer will architect and build backend systems, own clinical system integrations, improve performance, and shape engineering culture.