Top AWS Jobs in London

Lead and scale distributed engineering teams, drive technical best practices, manage project timelines and risks, oversee hiring and career development, and ensure scalable, secure, maintainable architectures while collaborating with product and stakeholders.

The Backend Software Engineer will develop and maintain backend systems for data processing related to coffee farming, utilizing Python and PostgreSQL. Responsibilities include feature development, problem-solving, and adapting systems to regulatory changes while ensuring system resilience.

The Sr. Software Engineer (FE) will lead the development of scalable frontend applications using React. Responsibilities include systems design, testing strategy, performance optimization, AI integration, and mentoring.

Lead technical presales for NiCE portfolio: run discovery, demos, POCs, and RFIs/RFPs. Articulate solution value to business and technical stakeholders, focusing on contact centre, telephony and cloud technologies while collaborating with account teams and providing product feedback.

Lead enterprise AI strategy and roadmap; build and scale cross-functional AI/ML teams; architect and deliver LLM, RAG, predictive and data-heavy AI products; establish MLOps, governance, cloud-native platforms (Azure/Databricks/AWS/GCP); drive product lifecycle, KPI tracking, security, and responsible AI practices.

Build and maintain a mission-critical .NET enterprise platform and event-driven microservices. Implement Kafka-based integrations and CDC pipelines, write and tune SQL Server/T-SQL, containerize and deploy with Docker/Kubernetes, use Azure and CI/CD pipelines, diagnose production issues end-to-end, participate in Agile ceremonies, and collaborate with product, QA, DevOps and partners while supporting on-call rotations.

The Principal Solutions Architect leads technical solution design, partners with hyperscalers, ensures architectural integrity, and drives customer engagement through compelling narratives and demos.

We are seeking a software engineer to build and validate resilient distributed systems, enhance CI pipelines, and improve testing strategies for cloud applications.

Design, deploy, and maintain scalable cloud infrastructure for ClickHouse. Collaborate with teams to enhance performance, reliability, and security of services.

Lead benchmarking, performance analysis, capacity sizing, and optimization for ClickHouse Cloud. Troubleshoot and tune systems, build tooling for chaos experiments, and collaborate with core, cloud, and security teams to improve scalability, resilience, and performance.

The role involves back-end development using .NET Core and SQL, contributing to Jibble 2.0 API integrations, and collaborating with product and design teams.

Build and operate control-plane services that manage Grafana Cloud stacks at scale. Design reconciliation systems, manage rollouts, support region/cluster launches, improve incident response, collaborate cross-team, and own production behavior, runbooks, dashboards, and recovery procedures for stack lifecycle and configuration.

Own end-to-end cloud cost visibility, tagging and allocation; drive commitment/discount strategy (RIs/Savings Plans); build FinOps reporting and dashboards; improve forecasting and budgeting; identify waste and rightsizing opportunities; define efficiency KPIs and investigate cost anomalies while advising stakeholders.

Lead cloud cost visibility, tagging, allocation and showback. Drive commitment strategy (RIs, Savings Plans), build FinOps dashboards and tooling, improve forecasting and budgeting, identify waste and rightsizing, define cloud efficiency KPIs, investigate anomalies, and collaborate with engineering and finance to embed cost-aware decision-making.

Lead automation and performance testing initiatives: design, build, and maintain automation frameworks, execute functional and performance tests, validate data pipelines and ETL, manage defects and test reporting, improve processes, mentor engineers, and communicate results to stakeholders.

The FX Risk Lead Java Developer designs and maintains Java microservices for high-throughput applications, optimizes data processing solutions, and ensures system reliability in a cloud-based environment.

Lead Level 2 IT support and White Glove services for executives, act as incident commander for P1/P2 events, mentor junior engineers, manage ticket queues/SLA compliance, improve documentation and processes, and support global operations on a 24/5 rotation.

Build and maintain backend services and data pipelines for large-scale optimisation runs. Validate and integrate client trade data, develop APIs, improve performance and reliability, automate workflows, and generate reports delivered securely to clients.

The Infrastructure Engineer will build and enhance cloud infrastructure for NALA, ensuring high availability and security, improving developer experience and incident response, while collaborating with engineering teams on new services and platform improvements.

Design, develop, maintain, and enhance SecureFlag’s backend Java platform using microservices. Build automated tests and CI pipelines, troubleshoot performance and production issues, implement new functionality, and collaborate closely with the engineering team. The role requires independently improving scalable Java applications, diagnosing Hibernate bottlenecks, and supporting secure coding education technology in a remote, fast-paced environment.

The SAP Finance Integration Architect will design and govern financial solutions, integrating SAP with non-SAP systems, leading finance technology transformation, and collaborating with stakeholders to improve financial processes and systems with an emphasis on cloud-native architecture.

Design, build and maintain Java-based automated test frameworks and suites (UI, API, integration, regression). Drive shift-left testing, create Gherkin test cases, ensure traceability, execute tests in CI/CD, investigate defects, manage test data, and collaborate with product and engineering teams to improve quality across the SDLC.

Full-stack mid-level engineer building and operating secure research environments (frontend, backend, infrastructure). Work includes Typescript/Node development, IaC (Terraform), Azure/Kubernetes, data modelling, operational management, and collaborating with cross-functional teams to enable secure researcher access to sensitive health data.

Lead design and delivery of a greenfield Trust Accounting backend: own architecture, build secure auditable services, ensure reliability and observability, set quality gates, collaborate cross-functionally, and mentor engineers.

Design, build, and operate high-traffic backend services in PHP and Go. Extract services from a monolith, design APIs (REST/GraphQL) for agentic/LLM clients, improve page speed and end-to-end performance, leverage AI coding tools, and collaborate with Product and Design to deliver reliable integrations and cloud-based systems.