Top Software Engineer Jobs in London

Design, build, and scale IoT hardware for the Energy Network, ensuring secure connectivity, device security, and integration with cloud services.

Lead architecture and platform strategy for high-volume, data-intensive distributed systems using Domain-Driven Design. Provide project-embedded consultation, define standards (naming, protocols, patterns), improve platform capabilities, and communicate technical decisions to stakeholders. Drive CI/CD automation, cloud-native operations, and reliability/availability-focused design while selecting third-party components and ensuring security-conscious engineering.

Lead technical design and strategy for core internal platforms, drive adoption and roadmap, apply Generative AI to improve engineering processes, mentor engineers, troubleshoot and deliver scalable platform solutions while influencing stakeholders across the business.

Lead design and implementation of scalable, cloud-native systems. Build and operate production services in Go, improve CI/CD and observability, guide architectural trade-offs, support client integrations and PoCs, and mentor engineering teams.

Join Docker's AI engineering team to develop containerized systems for AI agents, enhancing their capabilities and collaborating on the open-source cagent project.

The role involves leading engineering efforts, managing the codebase, developing standards, driving team culture, and improving productivity within a startup aiming to transform local government services.

Design, build, and deliver large-scale, always-on backend services and data-focused products. Work across cloud platforms, distributed systems, and machine learning pipelines. Participate in design reviews, mentor engineers, and provide technical leadership to improve system reliability, scale, and product impact.

Lead Machine Learning Engineer to oversee AI projects, guide technical direction, manage teams, and innovate in building scalable ML systems.

Develop and enhance Neo4j Graph Analytics for Snowflake, focusing on SQL-facing APIs, build pipelines, and improving security while collaborating with clients.

As a Senior DevOps Engineer at Scribe, you will design and optimize AWS cloud infrastructure, manage CI/CD pipelines, and support product development while ensuring reliability and performance of services.

Lead architecture and technical direction for DEMS, designing scalable, secure backend services and integrations. Mentor engineers, drive reliability, observability, performance improvements, and cross-team solutions. Contribute code in high-leverage areas and partner with product and design to deliver mission-critical, production-grade systems.

Design, build, test, and deploy scalable production platform infrastructure. Own CI/CD, observability, and reliability practices; collaborate cross-functionally, participate in incident management, create documentation, and drive platform engineering standards and automation.

Own and productionize core localization systems (state estimation, mapping, calibration). Build monitoring, diagnostics, validation, and deployment tooling. Integrate sensors, tune performance, run regression testing, and iterate using data from real autonomous airport operations to enable driverless capability.

Design, build, and maintain production-grade microservices and web applications to power personalization and recommendations. Implement model-serving and inference integrations, ensure resiliency, observability, and low-latency performance, work with event-driven and caching patterns, collaborate with AI/ML and data teams, drive technical designs, mentor engineers, and operationalize services for production readiness.

Build and ship end-to-end product features across frontend, backend, and infrastructure. Prototype and run experiments, own production systems (debugging, performance, reliability), integrate AI/ML and LLM-based APIs, and maintain code quality, documentation, and reviews.

Design, build, and operate scalable web applications, APIs, services, and AI-enabled workflows. Use AI tools across the development lifecycle, ensure reliability, performance, and observability, contribute to technical decisions, iterate from user feedback, and own production quality and delivery as part of cross-functional squads.

Design, develop, and support scalable software solutions using TypeScript, JavaScript and Angular. Work independently in an Agile team, write clean code and unit tests, troubleshoot performance and integration issues, collaborate with product and stakeholders, and contribute to continuous improvement and AI-enabled initiatives.

Senior Software Engineer on the Customer Analytics Engineering team building scalable backend services in Java (JDK11+). Design, develop, and maintain analytics platform features, optimize SQL for MySQL and Snowflake, troubleshoot production issues, improve architecture and performance, participate in code reviews, mentor teammates, and drive modernization and technical debt reduction.

Build internal AI enablement tools, workflows, and guardrails to help engineers use coding agents safely and productively. Evaluate models and agents, partner with teams to apply AI, track adoption and impact, and provide documentation, training, and advocacy across the engineering organization.

Lead technical strategy and delivery for Supply Chain & Logistics systems, designing and operating scalable, reliable warehouse software. Mentor engineers, promote engineering best practices, influence architecture and technology investment, and drive DevOps, observability and continuous improvement across platforms.

Lead design and delivery of scalable, resilient backend systems and integrations. Provide technical leadership, conduct code reviews, ensure automated testing and observability, mentor engineers, collaborate with stakeholders, and drive operational excellence for cloud-native applications.

Owner of end-to-end platform capabilities across frontend, backend, and data layers. Design and deliver secure, scalable web solutions using React/Next.js, Node.js, and PostgreSQL; drive architecture, performance, DevOps/CI-CD, authentication/authorization, third-party integrations, and AI/LLM integrations while mentoring engineering teams and working within Agile.

As a Senior Software Engineer at Relay, you will tackle challenging problems, collaborate with talented teams, and have a direct impact on the company's growth through software development and optimization tools.

Lead design and delivery of scalable, cloud-native backend systems and integrations. Provide technical leadership, conduct code reviews, champion testing and observability, mentor engineers, collaborate with stakeholders, and drive operational excellence.

Lead technical design and delivery of supply chain and warehouse software at scale. Drive architecture, DevOps, observability, reliability and performance practices; mentor senior engineers; influence product and technology strategy; promote clean code and engineering excellence across teams; support recruitment and outreach.