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 ...

Senior C# Engineer - .Net Core, AWS Serverless Services, MySQL, APIs, Event Driven Outstanding permanent opportunity to join this global, market leading, B2B SaaS tech business as a Senior C# Backend Engineer with deep expertise C#, .Net Core, MySQL, AWS Serverless Services and event driven architecture. This business … Core, passionate about building robust, elegant APIs. Strong understanding of microservices and event driven architectures and cloud-first software design. 5+ years experience with AWS serverless services (Lambda, API Gateway, SQS/SNS, Step Functions, S3). Proficiency with relational databasesespecially Aurora MySQLand solid data modelling skills. Knowledge ...

Science (IT/Computer Science/Engineer) Employment Type: Full-Time UK based candidates only. Key Responsibilities: Design & Build: Create and manage scalable AWS infrastructure following best practices for performance, security, and cost efficiency. Automate & Streamline: Implement Infrastructure-as-Code (Terraform or CloudFormation) and develop CI/CD pipelines … seamless delivery. Collaborate & Support: Partner with cross-functional teams to integrate DevOps solutions into project workflows and troubleshoot AWS environments. Secure & Comply: Apply security best practices, conduct audits, and maintain compliance with governance and regulatory standards. Monitor & Optimize: Develop monitoring and alerting solutions to enhance availability and proactively optimize ...

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 ...

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 ...

products with the customer in mind. This person should have experience with development using Typescript, Node.js for backend development. Experience working within a heavy AWS environment working within a serverless infrastructure. They should stay up to date on the latest technologies and comfortable in a collaborative environment. Must have … requirement include: Experience utilizing Typescript and Node.JS for backend development within an enterprise level organization. Extensive experience coding and deploying features within AWS serverless environment, experience working with AWS Services Lambda, S3, DynamoDB. Shows a customer centric mindset and experience on consumer facing products. Experience with Metadata ...

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 ...

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 ...

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 ...

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 ...

Engineer Accounting & Finance | ETL Testing | Data Warehousing | AWS A leading insurance firm is seeking a QA Engineer to join a newly formed Data Engineering squad, responsible for testing ETL pipelines and data flows into a centralised data warehouse. This team will work closely with internal Accounting and Finance stakeholders … integrity Collaborate closely with data engineers, product, and finance stakeholders Contribute to the definition of QA best practices within a new data team Test AWS-based data workflows, including serverless and orchestration components Required Experience Experience or strong working knowledge of accounting/financial data Solid understanding ...