1 to 25 of 38 AWS Lambda Jobs in the City of London

fintech scale-up working with top-tier global financial institutions. The role involves building and scaling backend systems in Node.js and Python, deploying on AWS (Lambda, DynamoDB, PostgreSQL), and collaborating closely across engineering, product, and customer teams. 💼 Ideal Candidate: Proven experience with backend/fullstack development using Node.js … Python , and AWS serverless architecture Strong database design skills (PostgreSQL, DynamoDB, Elasticsearch) Familiarity with frontend frameworks like Vue or React Comfortable mentoring developers and influencing technical direction Experience in financial services or a data-heavy B2B environment is a plus 🛠 Tech Stack: Node.js , Python , AWS (Lambda, DynamoDB ...

Required Technical Skills Data Pipeline & ETL Design, build, and maintain robust ETL/ELT pipelines for structured and unstructured data Hands-on experience with AWS Glue and AWS Step Functions Implementation of data validation, data quality frameworks, and reconciliation checks Strong error handling, monitoring, and retry strategies … production pipelines Experience with incremental data processing patterns (CDC, watermarking, upserts) AWS Data Services Amazon S3: data lake architectures, partitioning strategies, lifecycle policies DynamoDB: data modeling, secondary indexes, streams, and performance optimization Amazon Redshift: foundational querying, integrations, and performance considerations AWS Lambda for scalable data processing ...

front end. * You have experience writing microservices on top of container-based architectures (e.g., K8s, Docker). * You have native experience with AWS, Azure, or similar platforms, e.g., Google Cloud. The Build Circle Community Build Circle is proud of our trusted community of engineers joined by some … technology we are currently using: * .NET Core 3.1, Node.js, Python, Java/Kotlin * Kubernetes, Terraform, infrastructure-as-code * Typescript, React, Node, GraphQL, Apollo * AWS: Lambda, ECS, CloudFront, API Gateway, DynamoDB, Aurora, S3, SQS, SNS, Kinesis * Azure, Functions * Prometheus, Grafana, Cloudwatch for monitoring * "Elasticsearch, Logstash, Kibana" for logging * Azure ...

annum Location: Fully Remote (UK-based) What you’ll be doing: Design, build, and optimise scalable software using Node.js, TypeScript, React, AWS Lambda, Step Functions, DynamoDB Contribute to architecture discussions and ensure solutions are secure, cloud-native, and maintainable Use AI-assisted tooling to speed up development, testing … need: Strong full stack experience with a backend-first mindset Expertise in Node.js, TypeScript, React , and modern cloud engineering Hands-on experience with AWS serverless , particularly Lambda, Step Functions, DynamoDB Solid understanding of scalable architecture and performance optimisation Experience in scale ups, startups, or SMEs where speed, ownership ...

databases (e.g. Pinecone, FAISS, Weaviate). Proficiency in Python plus at least one other backend language (TypeScript or Java preferred). Proven experience with AWS , containerisation, and infrastructure as code (Terraform, Docker). Solid understanding of API design, data modelling, and microservice architecture. Excellent communication skills, with the ability … translate technical outcomes into business impact. Tech Environment Languages: Python, TypeScript, Java AI/LLM: OpenAI, Anthropic, Retrieval-Augmented Generation (RAG) Infrastructure: AWS (Lambda, ECS, S3), Terraform, Docker Databases: PostgreSQL, MySQL, Redis, vector databases DevOps: GitHub, CI/CD pipelines Why Join Competitive salary and comprehensive benefits package ...

experience in backend engineering, cloud systems, and architectural thinking. Tech Stack We’re cloud-native platform. Experience with the following will be highly desirable: AWS – Lambda, API Gateway, Cognito, S3 and OpenSearch Node.js/TypeScript and Python DynamoDB and PostgreSQL Serverless Architecture and microservices patterns. Infrastructure tools like … system reliability, performance, and security in a healthcare context. What We’re Looking For: 5+ years of backend engineering experience in production environments. Strong AWS proficiency - hands-on experience building and deploying systems in the cloud. Familiarity with embedding models, chunking strategies, and semantic search. Experience working ...

forefront of AI in healthcare. The Opportunity You will design, build, and optimise cloud-first backend systems, with a strong emphasis on AWS Serverless , LLM-powered workflows, and highly reliable production infrastructure. This is the chance to help define how AI is safely deployed in frontline clinical environments. Tech … Stack (Highly Desirable) AWS (Lambda, API Gateway, Cognito, S3, OpenSearch) Node.js/TypeScript & Python DynamoDB & PostgreSQL Serverless & microservices architecture Terraform, Docker, CI/CD Security/Compliance (HIPAA, GDPR, NHS DTAC, SOC2) What You’ll Do Build highly scalable backend services and APIs Work on LLM-powered features ...

cloud-native, modern, TypeScript-first platform. Experience with any of the following is a bonus, you do not need all of them. Backend & Infrastructure AWS (Lambda, API Gateway, Cognito, S3, OpenSearch) Node.js/TypeScript Python PostgreSQL & DynamoDB Serverless architecture & microservices Docker, CI/CD pipelines Cloud security & compliance … desire to build the future of clinical decision support. Nice to Have Experience coding in TypeScript, JavaScript, Python, or similar. Understanding of cloud systems (AWS preferred). Familiarity with LLMs, embeddings, or semantic search. A portfolio of side projects, tools, or apps you’ve built (clinical or not). ...

delivery, you will design, build, and operate the runtime, infrastructure, and operational layers supporting RAG pipelines, LLM orchestration, vector search, and evaluation workflows across AWS and Databricks. Working closely with senior AI engineers and product teams, you'll ensure AI systems are scalable, observable, secure, and cost-efficient, turning … products. Build, operate, and optimise RAG and LLM-backed services, improving latency, reliability, and cost. Design and run cloud-native AI services across AWS and Databricks, including ingestion and embedding pipelines. Scale and operate vector search infrastructure (Weaviate, OpenSearch, Algolia, AWS Bedrock Knowledge Bases). Implement strong observability ...

rolling Role Overview 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. … maintain mobile applications using React Native Build and scale backend services using Spring Boot OR Node.js OR Python Develop and deploy cloud infrastructure on AWS , including: ECS , Lambda RDS SNS/SQS Implement event-driven architectures using Event Sourcing and/or CQRS Define and manage infrastructure using ...

AWS Lead | £90,000 - £110,000 | London/Hybrid | Lambda | Amazon Web Services | AWS Architecture | SQL | API Gateway | Are you an AWS Lead who wants to have autonomy? Looking to join somewhere you can grow and build a team? I have partnered with a client … mode. They’re currently looking to move away from a consultancy model they have and build a team inhouse so are looking for an AWS Lead to steer them in the right direction. You will be working with a modern AWS stack whilst working with third parties ...

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 ...

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

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 ...

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 ...

design, build, and maintain the infrastructure supporting high-performance cryptocurrency trading operations and digital asset management. You'll focus on core platform engineering excellence (AWS, Kubernetes, automation) while collaborating with specialists in networking, security, and application development. You'll work on flagship products including our trading gateways, multi-region … this role, you will or on several aspects of Infrastructure Architecture & Development (60%) • Architect, deploy, and manage scalable cloud infrastructure across multi-account AWS environments • Design and implement EKS (Elastic Kubernetes Service) clusters for containerized workloads • Build infrastructure-as-code using Terraform/Terragrunt for all AWS resources ...

Experience with microservices , event-driven architecture , and cloud-native development . Strong understanding of SQL and NoSQL databases (PostgreSQL, DynamoDB, Redis). Proficient in AWS cloud services especially Lambda, SQS, S3, Cognito, API Gateway, EventBridge, etc. Hands-on experience with DevOps practices (CI/CD pipelines, Docker, GitHub … through technical decisions. A passion for quality, performance, and security. Highly Desirable: Experience with server-side rendering frameworks like Next.js or Remix. Familiarity with AWS CDK or Infrastructure as Code practices. Interest or experience in WASM or other emerging frontend optimization technologies. Prior experience mentoring teams or leading cross ...

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 ...

similar); familiarity with multi-drop, time windows, packing rules. Spatial data experience: Coordinates, geocoding, map/route visualisation, basic GIS concepts. Cloud & delivery awareness: AWS (S3, ECS/Lambda, SNS/SQS), Docker, CI/CD (GitHub Actions), SQL/Postgres. TypeScript fluency: Able to read … data contracts with the Command team. Our environment Python, Polars/pandas, NumPy, scikit-learn, Plotly, SQL/Postgres, NVIDIA cuOpt, HERE APIs, AWS (S3, ECS/Lambda, SNS/SQS), Docker, GitHub Actions, TypeScript/Node (Command services). Interview process 30-min intro (role, your goals ...

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 ...

consulting and innovating with cutting-edge innovation and leadership? We're on the look out for a Senior Data Engineer who has experience in: AWS - S3 for storage, Lambda functions, Athena (thus strong SQL). Open to interchangable Azure experience. Databricks Python Devops experience a bonus e.g. Terraform ...

data pipelines and infrastructure that power our analytics, machine learning, and business intelligence initiatives. You'll work with cutting-edge technologies like Python, PySpark, AWS EMR, and Snowflake, and collaborate across teams to ensure data is clean, reliable, and actionable. Responsibilities: - Build and maintain scalable ETL pipelines using Python … PySpark to support data ingestion, transformation, and integration - Develop and optimize distributed data workflows on AWS EMR for high-performance processing of large datasets - Design, implement, and tune Snowflake data warehouses to support analytical workloads and reporting needs - Partner with data scientists, analysts, and product teams to deliver reliable ...

Permanent Opportunity for an eDV Cleared Data Engineer with AWS Cloud Experience for a leading National Security Consultancy in London. Up to £85,000 DoE plus bonuses Active eDV required London Location – full-time on-site when required Expertise required in AWS, Data Pipelines, ETL, Data Storage … analytics and reporting. Develop ETL/ELT workflows to move data efficiently into data warehouses, data lakes and lake houses using open-source and AWS tooling. Apply DevOps practices, including CI/CD, infrastructure as code and automation, to improve and streamline data engineering processes. Design effective data solutions ...

tooling to ship better, faster What we’re looking for Strong hands-on experience across TypeScript/React/Node/REST APIs AWS experience (serverless is ideal): Lambda, SQS, S3, Cognito, API Gateway, EventBridge Microservices + event-driven patterns PostgreSQL plus at least one of DynamoDB/ ...

client currently seeks an SC cleared AWS Solutions Architect to join their team on an initial 6 month contract. This role is Hybrid (2/3 days a month based in the office in London). Skills: 5+ years of hands-on AWS infrastructure experience. Strong expertise with … AWS CloudFormation (must be able to write complex templates from scratch). Practical experience managing and troubleshooting Amazon EKS clusters . Deep understanding of Kubernetes fundamentals (pods, deployments, services, networking, ingress, secrets). Experience with AWS core services: EC2, VPC, IAM, S3, RDS, Route 53, CloudWatch, Lambda ...