1 to 25 of 85 AWS Lambda Jobs in the City of London

roadmap at a high-growth 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 … 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, CloudWatch, CloudFormation), PostgreSQL, Elasticsearch, Terraform 📍 Location: Hybrid, based in London (Victoria) — flexible home/office split Please apply now More ❯

About the Role We’re looking for a skilled AWS Developer to join our dynamic Contact Centre Platform (CCP) team. Reporting to the AWS Lead Engineer, you’ll play a key role in supporting the deployment and maintenance of cutting-edge innovations hosted on AWS infrastructure—including AI models and automation tools. Note that you must be … Leeds – you are free to attend any of these locations. We operate on a hybrid model with 2 days per week in the office. Key Responsibilities Maintain and support AWS-hosted AI models and infrastructure. Assist in deploying services within the Amazon Connect ecosystem. Contribute to the route-to-live process for new features and innovations. Develop and maintain … AWS Lambda functions using Python or Node.js. Design and manage CI/CD pipelines for automated deployments. Ensure secure handling of sensitive production data in line with FCA standards. Collaborate with CRRM and IPG teams to align infrastructure and release processes. Troubleshoot and optimise performance of AWS-hosted services. Must-Have Qualifications Strong hands-on experience with More ❯

Senior Software Engineer - Full Stack - TypeScript, Node React, AWS, Serverless, DynamoDB - Energy & Utilities Cleantech SaaS Location: Hybrid/Remote - London (flexibility available) Salary: Up to £80,000 About the Company This role is with, in our opinion, one of the most exciting SaaS firms in the energy and utilities space, delivering cleantech solutions to major businesses worldwide. Their mission … that help businesses tackle complex energy and sustainability challenges. Key Responsibilities: Design, develop and maintain high-quality web applications using TypeScript, Node.js and React. Build scalable, serverless solutions leveraging AWS Lambda, DynamoDB and other AWS services. Collaborate closely with product managers, designers and fellow engineers to deliver innovative features. Write clean, maintainable and testable code, participating in … best practice in cleantech and SaaS development. Skills & Experience: Strong experience with TypeScript in both frontend and backend development. Proficiency with Node.js, React and building serverless applications. Experience with AWS services, particularly Lambda and DynamoDB. Familiarity with software development best practice, including testing, CI/CD and version control. Passion for writing clean, efficient code and delivering high More ❯

/Services/Solutions. Azure Data Factory Pipelines & SSRS reporting solutions - maintenance & optimization ETL - Design, implement & manage ETL processes - ensure accuracy, quality & consistency. Monitor daily Data Loads & ETL workflows. AWS - Support the migration of Data Services to AWS - scalable & cloud-first solutions. Deliver UK Data Roadmap - aligned to Data Infrastructure & Business Strategy. Gather & Define Requirements - identify new opportunities … Governance, Security & Compliance - aligned to Data best practices. Liaison with IT Business Systems & Business Teams & Third Parties. Drive Continuous Improvement. Technical Skills Required: Azure Data Factory - 4 years’ experience AWS Data Services (Redshift, S3, Lambda) - Desirable. SSRS - hands-on experience. ETL - Design, Data Quality Frameworks & Pipeline Management. SQL - Star Schema - Data Modelling. Data Warehouse Design, Development & Testing. Data … Income Protection/Life Assurance/Store Discount/Well Being Programme/Cycle to Work Scheme/Electric Car Salary Sacrifice Scheme. Keywords: Data Engineer, Azure Data Factory, AWS, AWS Data Services, Redshift, S3, Lambda, Azure BI Technologies, ETL, Data Warehousing, Data Modelling & Kimball Methodology, Data Engineer, Power BI, SQL, ETL, SSRS, Data Engineer. Permanent, T6 More ❯

/ML pipelines and vector 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 to 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 25 days annual leave + bank holidays Paid sick leave and parental leave Hybrid More ❯

Senior Software Engineer (Python/AWS) 📍 Location: London or Manchester 💼 Employment Type: Full-time, Permanent About the Role We’re looking for a Senior Software Engineer with deep experience in Python and AWS to help design, build, and scale distributed, data-driven Ad-Tech systems. You’ll lead the delivery of cross-service features within a modern cloud … technical roadmap: Collaborate with Product, Design, and Data teams to align on priorities and ensure value is delivered incrementally. Core Tech Stack Languages: Python (FastAPI, Flask, or Django) Cloud: AWS (Lambda, ECS/Fargate, S3, DynamoDB, CloudWatch, API Gateway) Data & Messaging: PostgreSQL, Redis, Kafka or SQS CI/CD & Infrastructure: Docker, Terraform, GitHub Actions, CloudFormation Monitoring & Observability: Prometheus … Grafana, OpenTelemetry Testing: Pytest, integration and load testing frameworks Key Skills & Expertise Proven experience designing and delivering production systems using Python on AWS . Strong understanding of distributed systems, API design, and event-driven architectures. Deep knowledge of system observability, logging, and performance optimisation. Familiarity with modern security and data-privacy best practices. Excellent communicator who can document and More ❯

AWS Solutions Architect - Travel & Hospitality Location: London or UK-based (within 3-4 hours commuting distance) Salary: c£130,000 base + £40,000 bonus A leading global technology consultancy is seeking an experienced AWS Solutions Architect to join their specialist Travel & Hospitality practice. This is a senior, high-impact role where you’ll help design and deliver … cloud-based solutions that transform how some of the world’s best-known travel brands operate. You'll need proven experience delivering AWS-based solutions for clients in the travel and hospitality sector, and a background in designing and implementing AWS solutions specifically for these industries. You’ll act as a trusted technical advisor, working closely with business … development and partnership teams to shape innovative, scalable AWS architectures that drive measurable business outcomes. This is an excellent opportunity for someone who thrives at the intersection of technology, strategy, and client engagement. What you’ll do Lead the design and architecture of AWS-based solutions for clients across the Travel & Hospitality sector. Partner with internal business development More ❯

to pay for fueling, EV charging, and parking directly from their vehicles. What you will do Maintain and expand our serverless card payment infrastructure built with TypeScript, Node.js, and AWS (Lambda, API Gateway, DynamoDB). Ensure continued PCI DSS compliance. Work with others to fix bugs, implement minimal new features, trace errors, and ensure security patches are applied …/BDD methodologies, maintaining high code quality and resilience. Who are you Strong hands-on experience with TypeScript and Node.js. Frontend familiarity is helpful (e.g. React). Proficiency with AWS services in a serverless context, especially CloudFront, API Gateway, Lambda, DynamoDB and CloudWatch. Commercial experience with Infrastructure-as-Code tools such as Terraform, SST, CDK or CloudFormation. Strong … systems. Applicable understanding of software security, common exploits and secure development practices, including the OWASP Top 10. Proven and demonstrable understanding of testing methodologies and frameworks. Commercial experience with AWS and IaC (Terraform/CDK/CloudFormation) Commercial experience with Linux, Docker, Docker Compose, Git and DynamoDB. About us We’ve signed up to an ambitious journey. Join us More ❯

build to deploy in an agile environment What You’ll Work With Backend: Node.js (plus some Python, C++) Frontend: JavaScript (Vue.js) & TypeScript Data: PostgreSQL & DynamoDB Cloud & CI/CD: AWS Lambda, GitHub Actions Nice to Haves Financial services or large‐scale market data experience Python & C++ Development experience Database partitioning/re‐architecture exposure Mentoring/tech‐lead … experience (or appetite to step up) Modern software engineering/development practices, including micro-services, agile, TDD, etc. and common system integration patterns Knowledge of AWS services and IaC Why Join/Projects Re‐architect and scale core services powering a must‐have analytics product Get the product ready for some serious scale & growth Shape data models and access More ❯

and frontend components. • Implement CI/CD pipelines, write automated tests, and ensure code quality and consistency through reviews and best practices. • Support deployment and operations on cloud platforms (AWS), focusing on reliability, performance, and cost optimization. • Troubleshoot production issues, monitor system health, and contribute to continuous improvement initiatives. Skills: Mandatory Skills: • Strong programming skills in Python and JavaScript … workflows. • Proficiency in designing, consuming, and securing RESTful APIs. • Good understanding of software design principles, testing frameworks, and code maintainability practices. Nice to Have Skills: • Exposure to cloud services (AWS Lambda, ECS, S3, CloudWatch, etc.) and basic infrastructure setup. • Familiarity with Redis, or message queues (SQS). • Experience with frontend optimization, responsive UI, and state management frameworks (Redux More ❯

and optimise a high-scale, cloud-native PaaS. Champion CI/CD, automation, observability, and reliability. Design and maintain secure, performant public APIs. Build real-time, distributed systems on AWS (Lambda, DynamoDB, Kinesis, ECS/EKS). Mentor a cross-functional team and elevate engineering standards. Prototype and ship features that drive commercial impact — including mobile apps and … Docker, Kubernetes). Strong leadership of distributed engineering teams. Desirable: Experience in social media, advertising, eCommerce, or news. Proficiency in Node.js, Go, Python, Java, and modern front-end frameworks. AWS certifications, microservices/service mesh, and streaming tech (Kafka/Kinesis). If you’re ready to tackle hard problems, enjoy architectural freedom, and want to shape something foundational More ❯

and optimise a high-scale, cloud-native PaaS. Champion CI/CD, automation, observability, and reliability. Design and maintain secure, performant public APIs. Build real-time, distributed systems on AWS (Lambda, DynamoDB, Kinesis, ECS/EKS). Mentor a cross-functional team and elevate engineering standards. Prototype and ship features that drive commercial impact - including mobile apps and … Docker, Kubernetes). Strong leadership of distributed engineering teams. Desirable: Experience in social media, advertising, eCommerce, or news. Proficiency in Node.js, Go, Python, Java, and modern front-end frameworks. AWS certifications, microservices/service mesh, and streaming tech (Kafka/Kinesis). If you're ready to tackle hard problems, enjoy architectural freedom, and want to shape something foundational More ❯

Software Engineer (JavaScript/Node.js/AWS -Hybrid (2-3 days)- London- Salary £80k About the Company About Us We’re a small but ambitious tech start-up building scalable, AI-powered software that’s reshaping how businesses operate. Our team is lean, fast-moving, and focused on delivering products that make a real impact. We’re now looking … of core platform development, designing and building backend services, integrating cloud infrastructure, and helping us scale quickly and reliably. You’ll be working with a modern JavaScript stack and AWS-based architecture to deliver performant, production-grade systems. What You’ll Do Design, build, and maintain backend systems using Node.js and JavaScript/TypeScript Develop and deploy cloud-native … services on AWS (Lambda, ECS, DynamoDB, S3, etc.) Collaborate with the product and front-end teams to deliver seamless user experiences Contribute to technical architecture and best practices Build with scalability, performance, and security in mind What We’re Looking For Strong experience with JavaScript/Node.js in a production environment Hands-on experience with AWS services More ❯

Senior Software Engineer to help lead the technical evolution of this critical platform. The Opportunity You’ll join a growing team building scalable, secure systems using React , Python , and AWS , helping to drive our mission to cut the impact of flooding in half.This is more than just building products — it’s about delivering real-world impact through technology. What … system improvements Drive code quality, observability, and resiliency across services Tech Stack Frontend : React, JavaScript/TypeScript Backend : Python (FastAPI, Flask, or Django), ideally with geospatial data processing Cloud : AWS (Lambda, ECS, RDS, S3, API Gateway, etc.) DevOps : Docker, CI/CD pipelines, Git Orchestration : Airflow or similar tools Eligo Recruitment is acting as an Employment Business in More ❯

DevSecOps Engineer Location: London, hybrid (1–2 days per week in the office) Salary range: £75,000–£84,000 + benefits Tech: AWS (EC2, Lambda, RDS, Route53, ELBs, EKS), Terraform, Kubernetes, Docker, CI/CD (Jenkins, GitHub Actions, CodePipeline), Python/Bash, Ansible, Security frameworks (CIS, OWASP), ** Sponsorship and offshore remote are not available for this position** Immersum … practices with modern security engineering, working closely with developers, QA and product teams to protect customer data and drive platform innovation. Key responsibilities include: Designing and maintaining secure, scalable AWS infrastructure with Terraform, Kubernetes and Docker. Embedding security into CI/CD pipelines (Jenkins, GitHub Actions, CodePipeline) through SAST/DAST and dependency scanning. Collaborating with developers and product … performance and security. Managing DNS, CDN, caching, firewalls, load balancers and WAFs for secure web delivery. Responding to incidents and driving continuous improvement of platform security. Tech Stack: Cloud: AWS (EC2, Lambda, RDS, Route53, ELBs, EKS), plus some GCP/Azure exposure Infrastructure as Code: Terraform, Ansible Containers & Orchestration: Kubernetes, Docker CI/CD: Jenkins, GitHub Actions, AWS More ❯

Senior Full Stack Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? start-up financial services, revolutionising the industry Location : Hybrid - 1/2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial … protocols Senior Full Stack Software Developer - Experience Required Proven experience as a Senior Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for serverless backend services. Proficiency in React with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Ideal experience with More ❯

the company’s data strategy and build infrastructure to support analytics workflows Ensure system performance, reliability, and security across services Core Technologies: Languages: Node.js, Python Databases: PostgreSQL, DynamoDB Cloud: AWS (Lambda, DynamoDB, PostgreSQL, Infrastructure as Code) Practices: Microservices, TDD, Agile methodologies, CI/CD, system integration patterns Requirements: Significant hands-on experience with Node.js and Python in production … systems Strong background in database design and development (PostgreSQL, DynamoDB) Proven experience building and deploying applications on AWS Track record of technical leadership : leading projects, mentoring engineers, setting standards Familiarity with infrastructure-as-code and modern DevOps practices Ability to communicate effectively with technical and non-technical stakeholders Strong analytical and problem-solving skills Degree in Computer Science, Engineering More ❯

large .NET systems for performance, reliability, and scalability Lead architecture and development of backend services using C#, ASP.NET, .NET Core Automate infrastructure, CI/CD pipelines, and cloud operations (AWS/Azure) Promote engineering best practices, security, and observability Mentor engineers and foster a culture of continuous improvement Contribute to technology direction, including adoption of tools like Go and … Python What We’re Looking For Deep expertise in C#, .NET Core, ASP.NET Cloud experience with AWS (Lambda, DynamoDB) or Azure + DevOps Proficiency with IaC tools like Terraform Strong grasp of modern dev methodologies and design patterns Exposure to containerization and CI/CD tooling Bonus: Familiarity with Go, Python, React, TypeScript, Node.js 🗺️ Location : Hybrid – 2 days More ❯

Senior Full Stack Software Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? start-up financial services, revolutionising the industry Location : Hybrid - 1/2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial … protocols Senior Full Stack Software Engineer - Experience Required Proven experience as a Senior Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for serverless backend services. Proficiency in React with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Beneficial experience of More ❯

Continuously improve processes and advocate for quality through Agile practices. Ensure clean, testable, and well-documented code. Our Tech Stack You’ll be working primarily with: Python (FastAPI, Django) AWS (Lambda, EC2, S3, etc.) PostgreSQL , Opensearch Kubernetes , Helm , Terraform GitHub for version control We’re pragmatic about tools and open to exploring new technologies that help us build … You’ll Need Strong experience developing back-end systems in Python (any framework). Good understanding of databases, object-oriented design, and SOLID principles. Experience building scalable applications using AWS and cloud-native technologies. Strong problem-solving and analytical skills. A collaborative mindset with excellent communication skills. Passion for continuous improvement and sharing knowledge across teams. What’s on More ❯

DevOps Engineer with Apigee or AWS knowledge to bridge the gap between development and operations, focusing on automating workflows, optimizing CI/CD pipelines, and ensuring reliable software deployment. Manage infrastructure, monitor performance, and collaborate across teams to maintain scalable, secure, and resilient systems. We are seeking a highly skilled and security-conscious Platform Engineer to join our team. … maintenance, including regular upgrades of libraries, packages, and software components across GitHub and the broader platform ecosystem. Key role and responsibilities: Build, deploy, and monitor solutions using Apigee or AWS services (Lambda, API Gateway, CloudWatch, ECS, ECR, Dynamo, S3 etc.) Integrate APIs into CI/CD pipelines using Azure DevOps, Github workflows Design, deploy, and manage applications tailored … experience with Terraform and Ansible for infrastructure provisioning and configuration management. Design and manage Azure DevOps CI/CD pipelines for secure and efficient software delivery. Deploy microservices using AWS ECS, ECR, and Fargate, ensuring secure and scalable architecture. Development & Containerization: Proficiency in Python and Node.js for developing secure, scalable applications. Hands-on experience with Docker for containerizing applications More ❯

AWS Solution Architect Overview La Fosse have partnered with a leading media organisation who are undergoing a cloud migration and are seeking an AWS Solution Architect to lead the design and evolution of its cloud estate. The role focuses on ensuring cloud platforms are secure, scalable, cost-efficient, and aligned with AWS best practices. Key Responsibilities Define … and maintain target and transition architectures for AWS environments. Drive adoption of infrastructure-as-code and GitOps principles for consistent, automated delivery. Lead design forums and provide architectural governance across multiple projects. Develop cloud roadmaps covering network segmentation, identity, observability, and resilience. Embed security, compliance, and resilience into all architectural designs. Manage cost optimisation, including RI/SP planning … and right-sizing. Mentor engineers and architects on AWS best practices and emerging technologies. Stay abreast of AWS innovations (e.g. AI/ML services, Graviton, EKS Blueprints). Required Experience Extensive experience in cloud/infrastructure architecture with strong hands-on AWS expertise. In-depth knowledge of AWS services (e.g. EC2, EKS, Lambda, RDS, S3 More ❯

Continuously improve processes and advocate for quality through Agile practices. Ensure clean, testable, and well-documented code. Our Tech Stack You'll be working primarily with: Python (FastAPI, Django) AWS (Lambda, EC2, S3, etc.) PostgreSQL , Opensearch Kubernetes , Helm , Terraform GitHub for version control We're pragmatic about tools and open to exploring new technologies that help us build … You'll Need Strong experience developing back-end systems in Python (any framework). Good understanding of databases, object-oriented design, and SOLID principles. Experience building scalable applications using AWS and cloud-native technologies. Strong problem-solving and analytical skills. A collaborative mindset with excellent communication skills. Passion for continuous improvement and sharing knowledge across teams. What's on More ❯

AWS DevOps Engineer (Hybrid – London) Location: London (Hybrid) - 2 Days On-Site Employment Type: Full-time, Permanent Salary: Competitive + Benefits About the Role We are seeking an experienced AWS DevOps Engineer to join our growing technology team in London. You will play a key role in designing, implementing, and maintaining cloud infrastructure and CI/CD pipelines … part of a collaborative cross-functional environment, you’ll help drive infrastructure automation, cloud cost optimisation, and DevOps best practices across our teams. Key Responsibilities Design, build, and maintain AWS cloud infrastructure using Infrastructure as Code (IaC) principles. Implement and manage CI/CD pipelines for application delivery and infrastructure deployment. Use Terraform (preferably with HashiCorp certification) to automate … to DevOps culture through continuous improvement, documentation, and knowledge sharing. Essential Skills & Experience Proven hands-on experience as a DevOps Engineer , Cloud Engineer , or similar role. Strong expertise in AWS services (EC2, S3, RDS, ECS, Lambda, CloudFormation, CloudWatch, IAM, etc.). Proficiency with Terraform (HashiCorp Certified Terraform Associate preferred). Experience with CI/CD tools (e.g., GitHub More ❯

Lead Backend Engineer (Node.js) | TypeScript | AWS | £120,000 + Equity | Hybrid (3 Days in Vauxhall) Step into a hands-on leadership role where your backend skills directly power real-world operations—from inventory management and logistics to store productivity and fulfilment speed. This is a backend-first engineering position (80% Node.js) at a fast-growing, premium delivery and logistics … direct access to warehouses, stores, and ops teams to see your code in action. 🧱 What You’ll Be Building Scalable backend services and operational tooling using Node.js, TypeScript, and AWS APIs and data pipelines to support logistics, supply chain, and real-time store operations Event-driven systems and distributed architecture for fast, fault-tolerant execution Back-office tools and … with on-the-ground workflows Systems to optimise KPIs like order accuracy, worker productivity, and inventory speed 🔧 Tech Stack Backend: Node.js, TypeScript, Express Data: PostgreSQL, MongoDB, event streams Infra: AWS (Lambda, DynamoDB, EventBridge), GCP, Docker, CI/CD pipelines Architecture: Serverless, microservices, event-driven Tooling: Monitoring, dashboarding, dev tooling, cloud infra automation ✅ What You Bring 5+ years backend More ❯