Top AWS Jobs in London

Lead technical direction within an agile software team, mentor engineers, decompose user needs into epics and stories, and deliver secure, test-driven code. Responsibilities include designing and documenting software, integrating APIs and user interfaces, maintaining data ingestion and storage components, participating in scrum ceremonies, and collaborating with engineering and user research teams. The role supports mission-critical national security projects involving AI, cybersecurity, cloud, and big data.

Deliver bespoke spatial analytics and consulting projects, using SQL, Python, cloud platforms, ETL tools, GIS, and visualization software. Develop analyses, predictive models, dashboards, and strategic insights for clients; communicate technical methodologies and findings to stakeholders and senior executives. Own project tasks and deadlines, create efficiency-enhancing tools, and mentor junior team members.

Provides client-side architectural assurance, governance, and technical oversight for complex enterprise technology programs. Reviews and challenges supplier application designs, assesses scalability, resilience, security, integrations, APIs, data flows, and non-functional requirements, and supports technical governance forums. The role advises senior stakeholders, manages architectural risks, assures secure-by-design solutions, and evaluates AWS-hosted and cloud-native architectures, with desirable experience in biometrics, forensic systems, national security, and public-sector platforms.

Develop and maintain scalable web applications using PHP and Laravel. Build APIs, work with databases, write automated tests, resolve technical issues, participate in code reviews, and collaborate with developers, testers, designers, project managers, and clients. Contribute to planning, CI/CD, deployment, front-end development, and responsible use of AI-assisted development tools.

Supports architects and public sector customers with business, data, and systems integration architecture. Responsibilities include translating requirements into technical solutions, facilitating workshops, modeling end-to-end processes, defining project scope and technical risks, creating data architecture, and contributing to solution design and delivery. The role offers training across the architecture lifecycle and requires AWS experience, strong communication, analytical skills, and eligibility for UK security clearance.

Designs, implements, and maintains AWS cloud infrastructure and Kubernetes environments. Builds automation for deployment, monitoring, testing, and maintenance; develops security, compliance, and disaster recovery procedures; optimizes systems for availability, resilience, performance, and cost; troubleshoots infrastructure and application issues; and mentors junior DevOps engineers. The role supports complex government and national security software programs and requires high-level security clearance eligibility.

Design, develop, test, deploy, and maintain bespoke full-stack software solutions using Java and modern web technologies. Work within Agile teams across the full software lifecycle, use GitLab for CI pipelines, deploy to AWS, Azure, and private cloud environments, and support client engagements. The role may involve team leadership, client management, training, and participation in a 24/7 on-call rota with occasional customer-site attendance in Croydon.

Lead Agile projects involving requirements analysis, technical architecture, solution design, delivery management, and customer consultancy. Define high- and low-level architectural models, statements of requirements, user stories, and cloud-native solutions across public and private cloud environments. Manage stakeholder relationships, report on project delivery, support digital transformation and infrastructure modernization, and provide technical leadership to delivery teams.

Leads hands-on data science and advanced analytics for drug development using clinical trial, real-world, omics, imaging, and biomarker data. Develops predictive models, machine learning and statistical analyses, reproducible pipelines, data quality frameworks, and scalable cloud-based workflows. Collaborates with statisticians, clinicians, translational scientists, engineers, and data teams to support clinical decisions, biomarker discovery, precision medicine, and innovative trial strategies. Provides technical mentorship, communicates findings, and coordinates multiple concurrent projects.

Lead engineering transformation in complex environments, focusing on large-scale legacy modernization, AWS cloud migration, platform transformation, and modern software delivery. Design engineering operating, ownership, and leadership models; develop business cases, investment profiles, and delivery roadmaps; and manage stakeholders across Engineering, Product, Delivery, and Enterprise Architecture.

Build and secure Valarian’s Acra platform infrastructure, focusing on observability, high availability, fault tolerance, disaster recovery, backups, incident response, scalability, and continuous deployment. Partner with product engineering to establish reliability and security standards. The role requires securing Kubernetes environments, networking, service meshes, secrets management, vulnerability scanning, runtime security, and cloud platforms while collaborating with auditors, penetration testers, and security vendors.

Principal Software Engineer responsible for end-to-end product ownership, architecture, technical strategy, platform infrastructure, CI/CD, observability, security, reliability, and legacy modernization. The role works across TypeScript, Python, cloud services, databases, frontend technologies, Kubernetes, and Terraform while mentoring engineers and shaping engineering standards across the organization.

Lead the design, development, optimization, and operation of scalable data pipelines, ETL/ELT processes, data platforms, and analytical data models. Translate data architecture into production solutions, ensure data quality and performance, optimize infrastructure costs, and support regulatory reporting. Provide hands-on coding, infrastructure, troubleshooting, code reviews, and technical leadership while mentoring junior and mid-level engineers and collaborating with architects, product managers, data scientists, and business stakeholders.

Lead a small development team while maintaining and enhancing an Angular, Node.js, and MySQL platform. Design and implement new features, manage integrations, coordinate cross-functional infrastructure work, report project progress, and support hiring, onboarding, and evaluations. The role also involves advancing internal development practices, sharing technical knowledge, and building a new consumer-facing product using AWS serverless technologies.

Lead a cross-functional engineering team delivering business-critical front-office software for Rates and FX. Own solution quality, delivery, architecture alignment, and engineering standards while working in an Agile environment. Design and maintain distributed, event-driven, cloud-native systems using C# and .NET, APIs, databases, and cloud infrastructure. Collaborate with architects and regional engineering leaders, manage delivery risks, improve development practices, and ensure comprehensive testing and SDLC support.

Owns FinOps and AWS rightsizing across the R&D organization. The role provides cloud cost visibility, allocation, forecasting, variance analysis, optimization backlogs, cost-impact assessments, and recurring financial reporting. It partners with engineering, data, operations, finance, and leadership teams to improve resource efficiency, accountability, and cloud investment decisions while balancing cost, reliability, security, and performance.

Leads end-to-end solution architecture and delivery across multi-workstream technology programs. Defines roadmaps, designs, specifications, proofs of concept, test plans, and technical requirements; validates performance, resilience, quality, and security. Provides technical leadership, researches technologies, manages risks, troubleshoots complex issues, documents best practices, and communicates recommendations to technical teams, clients, and stakeholders.

Build and maintain high-performance Node.js backend services, APIs, microservices, Salesforce integrations, Vue.js and TypeScript front ends, CI/CD tooling, and event-driven systems. The role requires ownership of secure, scalable production software handling sensitive enterprise data, with collaboration across engineering leadership, product, and company leadership.

Lead the technical direction and architecture of a major global product area spanning multiple modules. Architect scalable, distributed cloud systems, shape technical vision and product roadmaps, guide engineering teams, make high-stakes technical decisions, and influence executives and cross-functional stakeholders. The role is primarily hands-off, with occasional code-level design and proof-of-concept work. Experience with AI/ML, AWS, API design, data modeling, SaaS, DevOps, and CI/CD is advantageous.

Designs, implements, governs, and modernizes enterprise PKI services, including CA hierarchies, HSM integration, certificate lifecycle automation, machine identity management, trust models, disaster recovery, and operational controls. Serves as the primary PKI subject matter expert, advising engineering, cloud, security, risk, audit, and operational teams while leading PKI programs and transformations.

Develops and tests custom web applications, APIs, integrations, and workflow solutions for an international insurance business. Responsibilities include system design, data integration, documentation, production support, code reviews, testing, third-party integrations, and collaboration with architects, project managers, analysts, and business teams. The role also supports development standards, application maintainability, and continuous technical improvement.

Serve as a technical advisor for enterprise Databricks deployments across AWS, Azure, and GCP. Architect secure, scalable cloud infrastructure, networking, identity, platform, and data solutions; automate environments with infrastructure-as-code; lead technical architecture discussions and competitive engagements; and drive adoption. The role also coordinates cross-functional resources, influences product direction, mentors team members, creates technical thought leadership, and communicates complex solutions to technical and executive stakeholders.

Build and operate scalable AWS cloud infrastructure centered on Amazon EKS, networking, infrastructure-as-code, and self-hosted services. Automate shard deployments, implement Terraform guardrails and secure ingress, support multi-region growth, and meet reliability, disaster recovery, compliance, and security requirements. Partner cross-functionally, troubleshoot application and infrastructure issues, participate in on-call and incident response, and use AI tools to improve engineering workflows.

Develop and maintain C#/.NET applications and infrastructure for real-time data delivery across trading, risk, compliance, and operations. Build scalable data flows, optimize architecture and memory usage, investigate production performance issues, and improve system reliability. Contribute to React and TypeScript user interfaces while collaborating with technical and business stakeholders on trading and operational workflows.

Design and deploy production-scale AI systems, develop and optimize machine learning and neural network models, work with large language models, refine prompt engineering techniques, and use OpenAI and Anthropic APIs. Collaborate with interdisciplinary teams to build AI applications for the finance sector while keeping current with industry developments.