15 of 15 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 ...

Engineer Required Technical Skills AWS & Generative AI: - AWS Bedrock experience (model selection, deployment, prompt engineering) - Agentic workflow experience ideally based on AWS AgentCore - Multi-agent orchestration frameworks (AWS Strands Agents, LangGraph, or similar) - Large Language Model (LLM) integration and fine-tuning - Experience with Claude … chunking strategies MCP & Tool Integration: - Model Context Protocol (MCP) implementation - Tool calling and function integration with LLMs - API design for LLM tool interfaces - AWS Lambda integration with agents AI Safety & Evaluation: - Guardrail implementation (hallucination detection, toxicity filtering) - Response evaluation framework design - A/B testing for AI systems ...

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 ...

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 ...

Principal Full Stack Engineer React, Typescript, C#, MySQL, AWS, SaaS Outstanding permanent opportunity to join this global, market leading, B2B SaaS tech business as a Principal Engineer (Full Stack)/Lead Full Stack Developer with deep expertise in React, Typescript, C#, .Net Core, MySQL, AWS Serverless Services … with strong proficiency in C#, .NET Core and/or Node.js , plus React + TypeScript expertise. Proven experience designing event-driven, microservices architectures on AWS with secure, scalable patterns. Hands-on leader: comfortable coding ~40%+ of the time while guiding architecture across squads. Deep knowledge of API design ...

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 ...

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 ...

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 ...

DevOps Engineer (AWS EKS Linux) Remote UK to £70k Are you a senior, hands-on DevOps looking for an opportunity to take ownership and progress your career at a scaling tech company? You could be joining a growing games company that combines state of the art technology, gaming … your birthday off Impactful role with excellent career progression as the company scales Your role: As a DevOps Engineer you will manage and optimise AWS cloud infrastructure, ensuring high availability, performance, cost-efficiency and security as well as developing Infrastructure-as-Code using Terraform, supporting scalable and maintainable infrastructure ...

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 ...

120k We’re hiring a Hands-On Engineering Manager with deep technical leadership experience across Python , large-scale data systems, and modern AWS infrastructure. You’ll lead a squad of 4 engineers , guiding them through complex technical decisions and helping them deliver high-performance, data-intensive systems operating over … engineers , supporting growth, coaching, and high-quality delivery. Set technical direction across Python services, distributed systems, and large-scale data processing. Work heavily with AWS — especially Redshift, Lambda, ECS, S3 , plus data formats like Parquet . Shape high-throughput data pipelines and SQL-based workflows , ensuring scalability ...

driven trading. Collaborate with internal infra/platform teams to align capabilities and avoid duplication. Design and implement secure, cost-aware, scalable systems using AWS services and Kubernetes. Contribute to best practices for AI/ML infrastructure and mentor junior engineers when needed. Work across organisational boundaries and champion … Stay ahead of the curve in Generative AI, ML infrastructure, and cloud-native tooling. Tech Stack Programming: Python (Java familiarity is a plus). AWS: S3, Kinesis, Glue, Lambda, Step Functions, SageMaker, and more. On-Prem: Managed Kubernetes Platform and Hadoop ecosystem. Why This Role is Different Direct ...

scikit-learn, PyTorch, transformers). Understanding of software and ML engineering best practices (git, package development, model deployment). Experience with cloud platforms, particularly AWS, for training and deploying models. Ability to communicate complex technical concepts to diverse audiences. Eligible for DV security clearance; sponsorship cannot be provided. Desirable … Knowledge of AWS services (e.g., Lambda, ECS, Bedrock, S3, SageMaker). Experience with ML engineering and MLOps (e.g., Docker, MLflow). Experience in regulated industries or government-related projects. Applying LLMs or advanced AI methods to real-world problems. Benefits: Competitive salary up to £65,000 plus ...

Python backend for high performance and reliability at scale Lead database architecture decisions and optimize Postgres for growing data volumes Own critical infrastructure on AWS, ensuring high availability and cost efficiency Drive technical decisions and establish best practices across the engineering team Mentor junior engineers and contribute … modern React patterns Deep knowledge of Python and building performant backend services Advanced SQL skills and experience optimizing Postgres at scale Experience with AWS services (EC2, RDS, Lambda, S3, or similar) Track record of building and maintaining systems that handle significant user load Ideal Candidate Quality Focus: Obsessive ...

Platform Engineer (AWS/Kubernetes/Terraform) Central London (2-3 days in-office) £65,000 – £75,000 + 10% bonus Are you a Platform or Cloud Engineer who loves ownership, modern tech, and actually seeing the impact of your work? This is a chance to join a small … cloud platforms that power real, customer-facing products used by hundreds of thousands of people every day. What you’ll be working on AWS-based environments supporting mission-critical, customer-facing applications Kubernetes (EKS) clusters in production Infrastructure as Code with Terraform Highly available, scalable platforms used for current ...