26 to 50 of 79 AWS Lambda Jobs in the City of London

Contract Opportunity | Java Microservices & AWS Cloud Architect 📍 London (Hybrid) | 💼 Banking Industry ⏳ 6-Month Contract | We are looking for an experienced Java Microservices & AWS Cloud Architect to lead the design and delivery of large-scale, secure, and resilient cloud-native platforms for a leading banking client. This role … ideal for a hands-on architect with deep expertise in Java, Spring Boot, Microservices, and AWS , who can drive architecture decisions while mentoring engineering teams in a highly regulated environment. 🔑 Key Responsibilities Define end-to-end architecture for microservices, APIs, integrations, and data flows Design AWS cloud architectures ...

strong, passionate and experienced Python Engineer to join the Front Office Technology team. They are re-architecting the stack to be cloud-native on AWS , with Python at the core of backend services and libraries, and modern UIs built in React. Engineering culture is centred on clean code … What you’ll do Write clean, well-structured Python code to build reusable components, services and libraries Design and build cloud-first solutions in AWS for pricing, risk, and analytics workflows Refine and extend the existing platform in response to desk and quant needs Work directly with traders, quants ...

platforms, real-time data processing , or high-scale consumer applications is a significant bonus. Technical Environment Familiarity with cloud-native development on AWS (e.g., Lambda, ECS/EKS, API Gateway, SQS/SNS). Experience integrating application services with CI/CD pipelines and contributing to application monitoring ...

work within an Agile team, focusing on scalable, secure, and resilient cloud architectures that support modern digital services. Key Responsibilities Design, implement, and maintain AWS-based infrastructure using Infrastructure as Code (Terraform) Develop and maintain CI/CD pipelines to enable continuous integration and delivery Automate system deployments, configuration … mentor team members, and contribute to solution design decisions Skills & Experience Required Active SC clearance (applications without clearance cannot be considered) Proven experience with AWS core services (EC2, S3, VPC, IAM, Lambda, ECS/EKS) Expertise in Infrastructure as Code (Terraform, CloudFormation) Strong knowledge of CI/ ...

about coding; it's about influencing product and business impact. Desired Skills & Experience Backend JavaScript/TypeScript/Node.js software engineering experience SASS, DynamoDB, AWS Lambda, and Serverless Framework are all beneficial eCommerce/Shopify experience is a bonus ...

part in building and scaling the platform as the company grows. What are the requirements? ✅3+ years’ experience with Python and React ✅Strong AWS knowledge ✅Experience in startups or fast-paced product teams ✅Comfortable owning projects end-to-end ✅Experience working with APIs ✅Bonus: AWS Lambda/ ...

AWS Cloud Engineers - London - Hybrid - £50-80k Are you looking to hit the ground running and really make a difference on a brand new Cloud team? Are you interested in working for a growing company within the Media & Advertising space who have doubled in size over the last … including a Mid-Level Cloud Engineer and Senior Cloud Engineer, based on previous experience. Looking for a skilled cloud engineer, expert in all things AWS, Lambda, and Snowflake. Additionally, if you have any familiarity with salesforce, we would love to hear from you! Based in the heart ...

looking for a Full Stack Engineer with strong experience in React Native for mobile/front-end development and AWS-based backend systems . The ideal candidate has hands-on experience building scalable, event-driven applications using modern backend frameworks and cloud-native services. We're Looking for Someone … experience leading engineering teams and delivering complex digital or financial platforms. Deeply skilled in software design and architecture, ideally across cloud-native environments (AWS preferred). Proficient in modern development frameworks, such as Java, Python, or Node.js , and familiar with microservices, APIs, and event-driven architectures. Experienced in cloud ...

banking ecosystem. We are looking for a Full Stack Engineer with strong experience in React Native for mobile/front-end development and AWS-based backend systems . The ideal candidate has hands-on experience building scalable, event-driven applications using modern backend frameworks and cloud-native services. … experience leading engineering teams and delivering complex digital or financial platforms. Deeply skilled in software design and architecture, ideally across cloud-native environments (AWS preferred). Proficient in modern development frameworks, such as Java, Python, or Node.js , and familiar with microservices, APIs, and event-driven architectures. Experienced in cloud ...

Spark, big data ecosystems Visualisation & APIs: REST/JSON, Postman, Flask/FastAPI, Power BI/Tableau, D3.js DevOps & Cloud: CI/CD, Docker, AWS (S3, Lambda, SageMaker), Kubernetes, Terraform/CDK ML Ops & Automation: MLFlow, feature stores, model monitoring, A/B testing Data Security & Compliance: Secure … science models or data engineering pipelines from concept to production. Strong Python skills plus SQL and data visualisation experience. Hands-on with cloud platforms (AWS preferred) and containerisation (Docker/Kubernetes). Experience working with Defence, Government, or National Security data environments. Security Clearance: Active SC or DV (must ...

Build and deploy backend services with Java & Spring Boot Develop scalable APIs Optimise SQL for large datasets Work with DevOps on Docker and AWS deployments Shape architecture and technical direction Write clean, tested code and review others' work What You'll Bring Expert Java (8/11/17+ … Deep Spring Boot & microservices experience Strong AWS skills (EC2, S3, Lambda, IAM) Kafka/event-driven systems SQL optimisation REST/JSON API design Docker proficiency Excellent communication skills Nice to Have JavaScript/React Aurora/RDS If you're proactive, outcomes-driven, and thrive in high ...

results, and iterate rapidly. Transition validated experiments into production-ready solutions, collaborating with engineers on deployment and monitoring. Build and optimise ML pipelines using AWS services and experiment tracking tools. Develop and integrate LLM-powered solutions for tracing, evaluation, and production monitoring. Implement robust experiment tracking, model versioning … Requirements: Hands-on experience developing and deploying ML models in Python using frameworks such as scikit-learn, XGBoost, PyTorch, or TensorFlow. Strong experience with AWS ML services (SageMaker, Lambda, S3) in production environments. Strong experiment design skills: hypothesis formulation, A/B testing, and statistical evaluation. Proven track ...

experience leading engineering teams and delivering complex digital or financial platforms. Deeply skilled in software design and architecture, ideally across cloud-native environments (AWS preferred). Proficient in modern development frameworks, such as Java, Python, or Node.js , and familiar with microservices, APIs, and event-driven architectures. Experienced in cloud … infrastructure-as-code technologies, such as Terraform, Kubernetes, Docker, and AWS services (Lambda, EC2, RDS, etc.). Comfortable working with data-rich systems, integrating APIs, and ensuring platform performance at scale. Implement event-driven architectures using Event Sourcing and/or CQRS Passionate about engineering quality, from testing ...

Engineer - Climate Tech - London/Cambridge Lead DevOps at a fast-growing climate-tech company shaping the future of energy planning. You’ll own AWS platform automation, containerisation, CI/CD, data migrations, developer experience, and reliability - working directly with the CTO to modernise and scale the entire platform. … PostgreSQL & DynamoDB migrations Monitoring, logging, and alerting Local dev tooling + smoother developer workflows What you bring 3+ years DevOps/Infra experience Deep AWS (ECS, Fargate, Lambda, API Gateway, IAM, VPC, CloudWatch) Strong IaC (CloudFormation), Docker, CI/CD Experience with large data migrations (PostgreSQL/DynamoDB ...

years’ experience in Data Engineering , ideally in cloud-native or AI-oriented environments. Strong Python skills for data pipeline and service development. Proficiency with AWS (Lambda, S3, Glue) and orchestration tools (Airflow, Dagster, etc.). Familiarity with relational and vector databases (PostgreSQL, Pinecone, MySQL). Understanding ...

Architecture & Design: - Define and own solution, data, and cloud architecture - Design conceptual, logical, and physical data models - Architect cloud-native and hybrid solutions on AWS and Azure - Establish architecture governance frameworks and best practices - Lead cloud migration and modernization initiatives Cloud & Technology Leadership: - AWS: EC2, S3, RDS, Lambda … code for architectural integrity - Collaborate with enterprise architecture and security teams Required Skills & Qualifications: - Strong experience as Technical BA and Architect - Expertise in AWS and Azure - Enterprise data modeling and integration - Java, Microservices, APIs - Agile/Scrum delivery - Banking, Financial Services, Media domain experience preferred Education: - Bachelor ...

testable code and following TDD principles. Working closely with DevOps, Product, and QA teams to deliver high-quality solutions. Deploying and supporting services in AWS with tools such as Lambda, ECS, S3, and CloudFormation. What we’re looking for: Strong experience with Java, Spring Boot, and microservice architecture. … Proven background working in cloud environments (ideally AWS). Familiarity with CI/CD pipelines and automation tools. Solid grasp of software testing, TDD, and Agile methodologies. Good communication skills and the ability to work collaboratively in a hybrid setup. If you’re an experienced Java Engineer keen ...

help build and scale the backend systems behind their core platform. Expect to design secure, high-performing APIs, work across a fully serverless AWS environment, support an event-driven architecture, and collaborate closely with product and engineering teams. You’ll own features end-to-end and contribute to systems … connecting thousands of members. What You’ll Be Doing Building scalable, well-tested APIs in Node.js and TypeScript Working with a fully serverless AWS stack (Lambda, API Gateway, SNS/SQS, Cognito, RDS, S3, etc.) Designing and optimising MySQL databases Integrating and maintaining third-party APIs Improving code ...

technical analysis across complex enterprise programmes Translate business needs into BDD, SDD, functional and architecture designs Own solution, data, and cloud architecture across AWS and Azure Design and govern cloud-native & hybrid architectures Lead cloud migration and modernization initiatives Define enterprise data models, data lakes, analytics, and governance Support … regulatory reporting (Basel III, IFRS9, CCAR, AML) Collaborate with delivery, QA, security, and enterprise architecture teams Technology Stack Cloud: AWS (EC2, S3, RDS, Lambda, EKS, IAM, Neptune), Azure (ADF, Databricks, Synapse, Data Lake, AKS, Event Hub, Power BI) Architecture: Microservices, APIs, Java/Spring Boot DevOps: GitLab, Azure ...

where high-growth startups turn when they need to move faster, scale smarter, and make the most of the cloud. As an AWS Premier Partner and Strategic Partner, we deliver hands-on DevOps, FinOps, and GenAI support that drives real results. We work across EMEA and the US, fueling … with customers and partners and attend local events) and abroad (at least once a quarter). Requirements: 3+ years of hands-on experience in AWS, including solution design, migration, and maintenance 2+ years in customer-facing technical roles (e.g., SRE, Cloud Architect, Customer Engineer) Production experience with AWS ...

Cloud & Technology Leadership: - AWS: EC2, S3, RDS, Lambda, EKS, Elastic Beanstalk, IAM, Neptune - Azure: Data Factory, Databricks, Synapse, Data Lake, Event Hub, AKS, Power BI - Microservices and APIs using Java/Spring Boot - CI/CD using GitLab, Azure DevOps, Kubernetes, Helm, Terraform - Ensure cloud security, compliance … code for architectural integrity - Collaborate with enterprise architecture and security teams Required Skills & Qualifications: - Strong experience as Technical BA and Architect - Expertise in AWS and Azure - Enterprise data modeling and integration - Java, Microservices, APIs - Agile/Scrum delivery - Banking, Financial Services, Media domain experience preferred ...

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 ...

using React and Next.js, as well as proficiency in back-end development with Spring Boot, GraphQL, and Velocity scripts. Additionally, hands-on experience with AWS and continuous integration using Jenkins is crucial for success in this role. Key Responsibilities: Front-End Development: Develop and maintain responsive and user-friendly … data querying capabilities. Velocity Scripts: Utilize Velocity scripts to enhance server-side rendering and dynamic content generation. Cloud Services: Deploy and manage applications on AWS, utilizing services such as EC2, S3, Lambda, and more. Implement best practices for security and scalability in cloud environments. Continuous Integration/Continuous ...

performance and operational maturity • Communicate progress, risks and trade-offs clearly to wider delivery stakeholders Required Skills & Experience • Strong Data Engineering experience within AWS environments • Hands-on experience with core AWS data services: – S3, Glue, Lambda, Athena, Kinesis, Step Functions (or similar) • Proficiency in Python ...

governance requirements • Transition validated experiments into production-ready solutions, working closely with other engineers on deployment and monitoring • Build and optimise ML pipelines using AWS services and experiment tracking tools • Develop and integrate LLM-powered solutions for tracing, evaluation, and production monitoring • Implement robust experiment tracking, model versioning … following: • Hands-on experience developing and deploying ML models in Python using frameworks such as scikit-learn, XGBoost, PyTorch, or TensorFlow • Strong experience with AWS ML services (SageMaker, Lambda, S3) in production environments • Strong experiment design skills: hypothesis formulation, A/B testing methodology, and statistical evaluation • Proven ...