APIs using Python (FastAPI, Flask, or Django) Build and deploy microservices that are scalable, loosely coupled, and independently deployable Develop and manage serverless applications using AWS Lambda , API Gateway , DynamoDB , S3 , SNS , SQS , and Step Functions Implement event-driven architectures and data processing pipelines Collaborate with front-end developers, DevOps, and product teams to deliver high-quality software Ensure … Required Skills & Experience: 7+ years of backend development experience using Python Strong experience in designing and implementing microservices Hands-on experience with AWS Serverless services: Lambda, API Gateway, S3, DynamoDB, SQS, SNS, etc. Proficient in RESTful API design , JSON, and OpenAPI/Swagger specifications Experience with asynchronous programming in Python (e.g., asyncio, aiohttp, FastAPI) Knowledge of CI/CD More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Halian
and maintain robust, scalable, and secure applications using .NET (C#, .NET Core/.NET 6+) Work on cloud-native solution development using AWS services such as Lambda, API Gateway, DynamoDB, S3, ECS, and more Collaborate with product managers, architects, and other developers to deliver high-quality features and enhancements Write clean, maintainable, and efficient code following best practices and … applications on AWS Solid understanding of cloud architecture, infrastructure-as-code (e.g., Terraform, CloudFormation), and CI/CD pipelines Experience with relational and NoSQL databases (e.g., SQL Server, PostgreSQL, DynamoDB) Familiarity with event-driven architecture and messaging systems (e.g., SNS, SQS, Kafka) Proven track record working in FinTech or financial services environments Nice to Have: Frontend experience with modern More ❯
City of London, London, United Kingdom Hybrid / WFH Options
La Fosse
their team. What we're Looking For: Experience in modern web application development with Node.js, TypeScript, React.js, Next.js, and React Native. Experience with AWS Serverless Services (Lambda, API Gateway, DynamoDB, S3, SNS, SQS, EventBridge, Kinesis). 5+ years of commercial development experience. Ability to provide technical leadership and mentorship to the team. Proficiency in TypeScript, with a bonus if More ❯
like CQRS , Event Sourcing , SAGA , and Domain-Driven Design (DDD) . Extensive experience with AWS cloud ecosystem – services like EC2, S3, Lambda, SNS/SQS, API Gateway, RDS/DynamoDB, CloudFormation, etc. Familiarity with containerization and orchestration (Docker, Kubernetes, ECS/EKS). Strong system design and problem-solving skills. Proficiency in CI/CD tools and DevOps practices. More ❯
City of London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best More ❯
infrastructure Develop infrastructure as code (IaC) using AWS CDK and related tools Leverage internal tools to convert legacy infrastructure into IaC format Migrate cloud-based resources (e.g. S3, RDS, DynamoDB) across AWS regions Work closely with development teams to implement effective monitoring, alerting, and operational best practices Offer guidance on AWS standards, tooling, and scalable cloud solutions Essential Skills … Lambda, Step Functions, API Gateway) Experience with data tools like EMR, Glue, or Apache Spark Understanding of event-driven architecture (EventBridge, SNS, SQS) Knowledge of AWS database offerings including DynamoDB and RDS Familiarity with multi-region deployments and failover strategies AWS certifications (Solutions Architect, DevOps Engineer) preferred **This role is open for a limited time. Next steps will be More ❯
shaping the technical vision, mentoring engineers, and ensuring seamless execution across the development lifecycle. Responsibilities: Guide development teams with hands-on expertise in AWS serverless architectures (Lambda, API Gateway, DynamoDB, Step Functions, S3, SNS/SQS, Cognito, etc.). Actively contribute to back-end development using Python, ensuring best practices in clean code and performance optimization. Support front-end More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Haystack
React.js, TypeScript, and Tailwind CSS. Support backend development using Python (Django/FastAPI) and Node.js (Express). Assist with database development and maintenance (PostgreSQL, MySQL, and optionally MongoDB/DynamoDB). Contribute to cloud infrastructure deployment and maintenance (AWS or Azure). Assist with containerisation (Docker/Kubernetes). Support implementation of authentication systems (OAuth 2.0, Auth0, AWS Cognito More ❯
time with the negative aspects of money and more on the positive - enjoying what the world has to offer. ABOUT THE ROLE Tech Stack Backend: AWS Lambda, API Gateway, DynamoDB, S3, Node.js Frontend: React/Next.js, React Native Programming Languages: TypeScript; JavaScript, Python Infrastructure: Terraform, GitHub CI/CD pipelines Responsibilities Design, develop, and maintain advanced applications using React More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Wave Talent
no-code platform that handles the entire purchasing lifecycle Collaborate in a high-trust, high-performance engineering culture with full product ownership Work across React, Node.js, AWS Serverless (Lambda, DynamoDB, EventBridge), Hasura, CDK & SST Ship multiple times per day via a robust continuous delivery pipeline Drive architecture, scalability, and technical direction across core features and new domains 👨💻 What You … 10+ years of software engineering experience (flexible if you’ve delivered real impact fast) Strong full-stack skills in TypeScript, React, and Node.js Experience with AWS serverless tools (Lambda, DynamoDB, CDK, etc.) Passion for product, customers, and shipping fast without cutting corners High standards for quality, observability, reliability, and performance Bonus : experience in scaling early-stage products or leading More ❯
Terraform and Docker Help introduce Go and Python into the stack Mentor engineers and drive engineering best practices ⚙️ Tech environment: .NET Core/C#, ASP.NET Core AWS, Azure, Lambda, DynamoDB, Azure DevOps Terraform, Docker, CI/CD pipelines Bonus: Go, Python, Cloudflare, React, TypeScript Ready to shape the future of a modern platform? Apply now More ❯
and invest. Own the Product Journey: Be at the heart of our engineering team, architecting and delivering features from concept to launch. Your expertise in Node.js, Python, AWS Lambda, DynamoDB, and PostgreSQL will shape the very core of our platform. Champion Innovation: We’re not just building software—we’re automating the future of credit analysis. Here, your ideas … as much as it is about code. What You Bring Deep experience with Python, Node.js/JavaScript, and AWS (CloudWatch, CloudFormation, serverless, terraform). Mastery of database design—PostgreSQL, DynamoDB, Elasticsearch. Understanding of microservices, agile, TDD, and modern integration patterns. Collaboration with frontend engineers (Vue or React experience a plus). Proven track record of technical excellence, leadership, and More ❯
product features. This role isn't 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, Serverless Framework are all beneficial eCommerce/Shopify experience More ❯
Qualifications Experience with serverless architectures (Lambda, Step Functions, API Gateway) Familiarity with data processing technologies (EMR, Spark, Glue) Experience with event-driven architectures using EventBridge, SQS, SNS Knowledge of DynamoDB, RDS, and other AWS database services Experience with multi-region deployment strategies AWS certifications (Solutions Architect, DevOps Engineer) * The ideal candidate must be legally authorized to work in the More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Arrows
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 More ❯
City of London, London, Finsbury Square, United Kingdom
The Portfolio Group
integrate agentic capabilities using frameworks such as LangChain, CrewAI, AutoGen, and DSPy. AWS Cloud & MLOps: Deploy scalable machine learning workloads on AWS using services like SageMaker, Bedrock, Lambda, S3, DynamoDB, ECS, and EKS. End-to-End AI Product Development : Work across the full ML lifecycle, from data collection and preprocessing to model evaluation, deployment, and monitoring. Full-Stack Integration More ❯
with the mentorship and feedback to make it happen. Some of the technologies we use, and day-to-day tasks include developing with: Relational databases (PostgreSQL, MySQL, etc.) OpenSearch DynamoDB S3 Event-driven architectures Third-party API integration Access control and user permissions Implementing APIs used by single-page applications WebSockets Infrastructure as code (AWS CDK, Terraform, etc.) Docker More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Noir
Head of IT – LegalTech Scale-Up – London (Head of IT, ISO27001, Networking, Team Leadership, AWS, EC2, ECS, Cloudfront, S3, Lambda, SQL Server, PostgreSQL, NoSQL, DynamoDB, Kubernetes, Rancher, Docker, ECS, PRTG, Kibana, Cloudwatch, Powershell, Python, Octopus, TeamCity, CodeBuild, Office365, Active Directory, VOIP, Hardware, Head of IT) We’re working with one of the UK’s fastest-growing LegalTech businesses — a More ❯
high standards. Supported by global teams of engineers, QAs, SREs, and DevOps professionals. Comfortable managing a mix of direct reports and shared teams Skills & Experiences AWS Technologies (e.g. ECS, DynamoDB, Lambda, Aurora, SQS, SNS, VPC, Private Link, etc.) Multi-threading & Socket Programming: Java + Spring Applications Architectures - Event Sourcing, CQRS, Polyglot Database, Traditional OLTP, OLAP DevOps - Provisioning-based Infrastructure More ❯
City of London, London, United Kingdom Hybrid / WFH Options
JNC Recruitment Limited
Senior Software Developer (Python AWS) – London - £70,000 - £80,000pa JNC are working with a leading Financial Services clients in London that are looking to bring on a talented AWS Software Engineer who has extensive Python coding skills. This is More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Thrivve by intelletec
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 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, CloudWatch, CloudFormation), PostgreSQL, Elasticsearch, Terraform 📍 Location: Hybrid, based in London (Victoria) — flexible home/office split 🎯 Perks: Competitive salary More ❯
