Top AWS Jobs in London

Design, build and maintain high-quality, scalable margin and collateral systems. Collaborate with product and global teams, implement RESTful APIs, apply TDD and clean code, and solve complex engineering challenges in a fast-paced finance environment.

Design, build, and maintain scalable, fault-tolerant serving platforms for LLMs. Integrate models for production and research, implement monitoring and observability, perform architecture reviews, and lead cross-functional end-to-end projects enabling LLM capability discovery and high-performance serving.

Join Core Infrastructure to maintain and scale Tier 0 infrastructure hosting hundreds of microservices. Design, implement, test code, participate in on-call rotation and code reviews, and collaborate with platform users to troubleshoot and improve systems. Gain hands-on experience with C++, Python, Linux, cloud, Kubernetes, and Terraform.

Lead pre-sales and delivery of application modernization engagements, engaging customers to decompose legacy RDBMS apps, design modern services on MongoDB, run technical workshops, deploy complex demo environments, and advise sales on account strategy. Travel up to 25% and collaborate with engineering and business stakeholders to drive modernization projects.

Design and implement real-time web interfaces for retail applications, advocate for user needs, and contribute to system design.

Build and maintain the platform powering an AI-native retail product: secure authentication/authorization, cloud-deployed distributed services, automated releases, API/webhook quality, real-time data processing, agentic automation, and tooling to enable product teams to prototype and ship quickly.

As a Senior Software Engineer, you'll enhance the Affiliate Marketing platform by designing reliable services, mentoring engineers, and ensuring system efficiency using Agile methodologies.

As a Senior Machine Learning Engineer, you will design, develop, and optimize ML solutions for enterprise customers, focusing on generative AI for improved content management. Collaborate with teams to ensure high-quality outputs and lead ML education efforts.

Build and maintain backend services, APIs, and data pipelines for Modo's energy market platform. Own AWS infrastructure with Terraform, implement monitoring, and contribute to LLM-powered features. Collaborate with analysts and data scientists and split time between new features and platform health.

Lead data strategy and engineering for AD/ADAS: collect, sample, label, and curate large-scale vehicle and simulator data; build evaluation frameworks and scalable pipelines; analyze data to improve perception and planning models; collaborate across teams and mentor colleagues to deploy production-ready ML solutions.

Lead design, build and maintain data infrastructure, ETL and APIs to support economists. Migrate on-prem tooling to cloud-native platforms, improve deployment tooling, review code, mentor junior engineers and optimize production services and algorithms.

Sell Microsoft business applications, Azure, open-source and AWS software and professional services into Public Sector accounts. Lead complex, C-suite sales campaigns (£500k-£2M+), develop accounts and pipeline, forecast accurately, write propositions/bids for structured procurements, manage virtual teams, and deliver quarterly and annual sales targets while positioning AI-enabled and data-driven solutions to translate capability into measurable business value.

Lead end-to-end social commerce strategy to drive conversions and revenue for global brands. Design platform-specific TikTok and Meta commerce approaches, integrate paid and organic efforts, define KPIs and commercial frameworks, analyze performance, advise senior clients, collaborate with creative/media/analytics teams, and present measurable results. May work at client locations as required.

Lead design and delivery of scalable, secure payment platform capabilities across stores and digital channels. Own end-to-end payment product outcomes, ensure reliability, security and performance, implement SRE/DevOps and CI/CD practices, drive observability and incident management, shape architecture, mentor engineers and promote engineering excellence.

Lead quality engineering for POS and Self-Checkout platforms: define quality strategy, build scalable test automation, drive CI/CD and observability, mentor engineers, support production releases and incident investigations to improve platform reliability and performance.

As a Senior Full Stack Engineer, you'll design scalable solutions, influence system architecture, mentor engineers, and maintain high-performance systems while collaborating closely with teams.

Hands-on senior fullstack developer building backend-led JVM services (Kotlin/modern Java) and responsive React/TypeScript frontends. Design APIs, event-driven workflows, tests, CI/CD pipelines, observability, and contribute across discovery, deployment, production support, and technical decisions while validating AI-assisted tools where helpful.

Own and evolve IG's Honeycomb-centered observability platform; drive OpenTelemetry instrumentation across Java, Python and C++ services; define SLOs and alerting; participate in incident response and post-incident reviews; mentor engineers and produce runbooks, tooling, and standards to improve telemetry and reliability across a globally distributed microservices estate.

Senior backend engineer responsible for designing, building and operating ad-serving backend services and APIs. Collaborate with product and design, drive technical decisions, mentor engineers, ensure reliability, performance, scalability, and strong automated testing and deployment practices in containerised environments.

Lead design and delivery of scalable, secure payment platform capabilities. Own reliability, performance and resilience, drive DevOps/CI-CD, observability and incident management, and mentor engineers to improve platform engineering practices.

Lead QA for retail platforms (POS, Self-Checkout), shape quality strategy, build scalable test automation, drive operational excellence, mentor engineers, support CI/CD and production releases.

The Senior Machine Learning Engineer will develop and deploy ML models, enhance infrastructure, and collaborate on customer projects, contributing to innovative solutions for carbon emission reduction.

The Lead Data Engineer will develop and maintain a data platform, create data pipelines, ensure infrastructure support, and provide governance for stakeholders' data needs.

As a DTN Software Engineer, you will develop and maintain DTN products, work on distributed systems, and collaborate with other engineers to innovate communication solutions.

Develop high-performance, cloud-first applications for Premium Cricket using specification-driven development (ATDD/BDD). Use C#, modern .NET, asynchronous programming and LINQ, integrate front-end React components, work with AWS/serverless and GitLab CI, and leverage AI-assisted tools to accelerate development and maintain code quality for real-time sports data services.