18 of 18 AWS Lambda Jobs in the City of London

Role Overview We are seeking a skilled AWS QA Engineer with strong experience in testing serverless and event-driven architectures . The role focuses on validating modern cloud-native applications built on AWS, ensuring high quality across application modernization programs , while leveraging AI-assisted testing using AWS … Kiro . Key Responsibilities 1. Functional & Automation Testing (AWS Serverless) Design, develop, and execute test strategies and test cases for applications built on: AWS Lambda, API Gateway Amazon EventBridge Amazon Kinesis Data Streams Validate event-driven and streaming workflows , including message processing and data consistency. Develop automated ...

Senior C# Engineer .NET 8/9, AWS Lambda, SQS, SNS OUTSIDE IR35 £700£800/day 100% Remote 11-month rolling contract Takeaway: Lead the architecture and build of a greenfield SaaS platform as a deeply senior, hands-on C# engineer, with heavy emphasis on deep .NET … engineering , high-performance distributed systems , and real-world AWS serverless delivery . Youll also have the opportunity to develop hands-on skills with Claude Code , one of the most advanced AI-assisted development tools in the industry. Role Overview: Youll operate as the technical spearhead for a greenfield product ...

Senior C# Engineer (AI-Native & Agentic Engineering) .NET 8/9 AWS Lambda/SQS OUTSIDE IR35 £700£800/day 100% Remote (UK) 11-months rolling If youre a deeply senior C# engineer who wants to actually build something new, not maintain legacy, not refactor someone elses ...

AWS Engineer £50,000 to 80,000 GBP Bonus Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent AWS Cloud Engineers (Multiple Levels) Location: UK-Wide (Hybrid) Salary: Up to £80,000 + Benefits Eligibility: Must have the right to work in the UK. Unfortunately, visa … growing technology consultancy that is expanding its cloud engineering capability across the UK. As part of this growth, we're looking to speak with AWS Cloud Engineers across a range of seniority levels, from mid-level engineers through to experienced senior professionals, who are passionate about cloud-native development ...

passionate about AI-assisted software delivery, platform engineering, and cloud modernization? We're looking for an Agentic Engineering Lead to drive a large-scale AWS-to-Azure migration while building the engineering harness that enables AI agents to deliver reliable, high-quality code. Role Overview You will lead … high-performing engineering pod responsible for migrating AWS Lambda-based applications to Azure. Inspired by OpenAI's Harness Engineering approach, your primary focus will be designing the scaffolding, guardrails, and feedback loops that allow Claude Code agents to work effectively at scale. This is a player-coach role ...

engineering position. You'll own the runtime, infrastructure, and operational layers that RAG pipelines, LLM orchestration, vector search, and evaluation workflows run on, across AWS and Databricks. The focus is on building scalable, observable, secure, and cost-efficient platform infrastructure that enables AI engineering teams to ship and operate … products reliably in production. What you'll do Design, build, and operate cloud-native AI platform infrastructure across AWS (Lambda, API Gateway, DynamoDB, S3, CloudWatch) and Databricks Deploy and operate containerised services on Kubernetes using Terraform for infrastructure-as-code Own and scale vector search infrastructure (OpenSearch, Algolia ...

Looking for: Strong commercial experience with Python as your primary language Solid understanding of software engineering principles (SOLID, testing, clean code) Experience with AWS cloud services Hands-on experience with Django, FastAPI and/or Flask Strong REST API development and integration experience Experience working within Agile/Scrum … problem-solving skills Nice to Have Event-driven architecture and microservices experience Message queues and asynchronous systems Salesforce integration experience Technology Stack Python | AWS (Lambda, Fargate, EKS, SQS, SNS, SES, S3) | PostgreSQL | BigQuery | Terraform | Sentry ...

security and data integrity standards. Integrations: Manage third-party integrations, ensuring reliable and secure data exchange. Infrastructure Collaboration: Work with the Platform team on AWS-based deployments and CI/CD processes. Performance & Reliability: Optimise background processing and database performance to maintain system stability. Incident Response: Support investigation … processing using Sidekiq and Redis. Solid understanding of RESTful API design, JSON serialization, and authentication (e.g., JWT, SSO). Hands-on experience with AWS services and containerised deployments (Docker). Experience troubleshooting and supporting production systems. Comfortable working within and improving existing codebases. Ability to prioritise effectively and manage ...

high-performance distributed systems. Strong SQL experience (PostgreSQL, MySQL or similar). Experience working with NoSQL databases such as MongoDB. Hands-on experience with AWS cloud services. Experience deploying containerised applications using Docker. Familiarity with container orchestration platforms such as ECS or Kubernetes. Strong understanding of API security, authentication … technologies. Ability to work effectively within cross-functional engineering teams. Desirable Experience Experience with MLOps and production AI/ML systems. Familiarity with Kafka, AWS SQS or other messaging platforms. Experience with Infrastructure as Code tools such as Terraform or CloudFormation. Knowledge of observability platforms including Datadog and CloudWatch. ...

Role Overview The Program Manager will lead, plan, and deliver complex initiatives leveraging AWS cloud technologies. This role requires strong program governance, stakeholder management, and cloud transformation experience. The ideal candidate will drive large-scale cloud programs from inception to completion, aligning business objectives with technical delivery. Key Responsibilities … Oversee and manage multiple concurrent AWS-related projects across business and technical teams. Develop program charters, roadmaps, budgets, and resource plans aligned to strategic goals. Partner with cloud architects, DevOps engineers, and business stakeholders to define and deliver program outcomes. Manage program risks, dependencies, and escalations using structured frameworks ...

London or Swindon 1 day per month. The successful AI Engineer will join a growing data team supporting the development of a modern AWS-based data platform while contributing to emerging AI initiatives. This is a hands-on role combining data engineering, business intelligence and analytics, working across both … data pipelines, improve reporting capabilities and support the delivery of innovative data and AI solutions. You will need proven experience working with the following: AWS data engineering technologies including Glue, S3, Lambda, Redshift and Athena Advanced SQL and strong Python development skills Building and maintaining data pipelines ...

workflows. Work with XML-based messaging standards and protocols commonly used in financial transactions. Deploy, monitor, and scale applications in Red Hat OpenShift and AWS cloud environments. Integrate with MongoDB and other NoSQL/SQL datastores for real-time data management. Collaborate with DevOps, Product, and QA teams … with XML and message parsing/transformation. Hands-on experience deploying applications on Red Hat OpenShift and/or Kubernetes. Strong cloud experience with AWS services such as ECS, EKS, Lambda, S3, etc. Solid understanding of MongoDB and NoSQL design patterns. Prior experience in Payments Processing, financial services ...

more consistent onboarding of new applications and data feeds into business-as-usual platforms. The team builds reusable services, APIs and supporting infrastructure (leveraging AWS native services where appropriate) in a Kanban delivery model. The core stack is SQL Server (~30%), C#.NET (~30%), Terraform (~20%), Angular (~10%) and Python … platform to another Define communication contracts and processes Apply strong data modelling and automated testing across integrations Work within architectural governance for cross-account AWS integration Take assigned stories end-to-end through to production via BAU release, defect and change processes Must-Haves: Strong commercial software development Strong ...

secure payment workflows. Work with messaging standards and protocols commonly used in financial transactions. Deploy, monitor, and scale applications in Red Hat OpenShift and AWS cloud environments. Integrate with MongoDB and other NoSQL/SQL datastores for real-time data management. Collaborate with DevOps, Product, and QA teams … millisecond response times a plus). Hands-on experience deploying applications on Red Hat OpenShift and/or Kubernetes. Strong cloud experience with AWS services such as ECS, EKS, Lambda, S3, etc. Strong communication skills and a bias toward action and opinionated design decisions. Nice to Have: Familiarity ...

actionable insights that enable brands to optimize their visibility and competitive positioning in the market. The platform runs a production multi-agent system on AWS, orchestrating multiple AI providers across signal generation, content, and research workflows, and is exposed to clients through their own MCP server. What …/B testing, platform overlays 3. Cloud & Data Infrastructure Own the cloud substrate that runs the AI workloads. You will: Architect and maintain AWS infrastructure (ECS Fargate, Lambda, Step Functions, EventBridge, S3, Athena, DynamoDB, Bedrock) Build and operate data pipelines that move LLM outputs from generation to analytics ...

risks effectively. Their platform offers software solutions that support enterprise risk management, compliance management, health and safety, and incident reporting. Stack: React, Node, Nextjs, AWS Responsibilites: Develop and maintain responsive web applications using React and Next.js for frontend development. Write scalable, reusable, and efficient TypeScript code for both frontend … manage APIs with Node.js to handle server-side logic and integrate with databases and external services. Design, implement, and deploy cloud-based applications on AWS, including services like EC2, Lambda, and S3. Collaborate with design and product teams to translate user needs into functional, high-performance features. Please ...

This role is best suited to an experienced engineer with a strong background in Informatica-based data engineering , complemented by hands-on experience across AWS and Azure data platforms. Working as part of a multidisciplinary delivery team, you will collaborate with architects, analysts, developers, and business stakeholders to deliver … Build scalable data ingestion, transformation, and delivery processes that support operational and analytical use cases. Cloud Data Engineering Develop and optimise data solutions across AWS and Azure platforms. Work with cloud services to improve scalability, resilience, and operational efficiency. Apply security best practices when managing data storage, processing ...

power forecasting, optimisation, and real-time operational decision-making. Working closely with Data Scientists, Product teams, and Engineers, you’ll help shape a modern AWS-native data platform within a fast-moving, highly collaborative environment. Key Responsibilities • Designing, building, and maintaining scalable ETL/ELT pipelines • Supporting production … systems, including LLM and forecasting workflows • Improving reliability and performance across AWS infrastructure • Writing and optimising complex SQL for analytics and reporting • Building integrations across internal and external systems• Troubleshooting production issues and driving operational best practice• Supporting and mentoring junior engineers What They’re Looking For • Strong experience ...