GraphQL) for both internal and external consumption. Data Systems: Experience with optimizing database queries and schema design for both relational (PostgreSQL, MySQL) and NoSQL/Time-Series databases (e.g., DynamoDB, TimescaleDB) under high-throughput conditions. Scale & Performance Focus Experience building systems that efficiently handle millions of requests/events per day with stringent latency requirements. Deep understanding of distributed More ❯
City of London, London, United Kingdom Hybrid / WFH Options
RP International
and a proactive problem-solving mindset. Outstanding communication skills (oral, written, presentation). Nice-to-Have Skills: Experience with other core AWS services: Route53, S3, EC2, ECS, VPC, IAM, DynamoDB, CloudFront . Infrastructure as Code (IaC) using Terraform or CloudFormation. Experience with Jenkins, Git (Gitflow), Docker, and monitoring tools like CloudWatch or DataDog . The Offer: Initial 6-month More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Sanderson
cloud-native services using Java/Spring Boot , Node.js , and Python across AWS and Kubernetes environments. Implement event-driven architectures using Kafka, RabbitMQ, and AWS services (SNS, SQS, Lambda, DynamoDB). Drive automation across CI/CD pipelines using tools like GitHub Actions , Terraform , and Argo CD for seamless and secure deployments. Enhance observability using Prometheus , Grafana , Datadog , and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
83zero Limited
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 PWAs. What You More ❯
Product mindset and ownership from 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 More ❯
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 More ❯
City of London, London, United Kingdom Hybrid / WFH Options
EMBS Technology
real-world applications Knowledge of authentication, secret management, networking, and model access governance Bonus Points For: Kong API Gateway, Kong Mesh, Flux CD AWS stack: EC2, EKS, S3, SQS, DynamoDB, Bedrock RESTful API development with FastAPI, microservices, Terraform, GitOps workflows Prompt evaluation tools such as Promptfoo SQL and NoSQL experience: MySQL, PostgreSQL, MongoDB, Cassandra Exposure to RAG patterns and 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 ❯
integration and deployment practices. Candidate should be SC Cleared/SC Eligible Responsibilities Build, deploy, and monitor solutions using AWS services such as Lambda, API Gateway, CloudWatch, ECS, ECR, DynamoDB, and S3. Integrate APIs into CI/CD pipelines using Azure DevOps and GitHub workflows. Design, develop, and manage applications tailored to business requirements. Execute and manage the end More ❯
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 experience with Node.js More ❯
into technical deliverables to meet project goals. Key Skills & Experience 5+ years of experience in AWS development or a related field. Strong expertise across AWS services (EC2, S3, Lambda, DynamoDB, etc.) and infrastructure-as-code tools such as Terraform or CloudFormation. Proficient with CI/CD and development tools such as Jenkins, Git, and Docker. Advanced scripting skills in 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 ❯
/infrastructure architecture with hands-on AWS expertise AWS Certified Solutions Architect – Professional and AWS Certified Security Deep knowledge of core AWS services (e.g., VPC, EC2, EKS, Lambda, RDS, DynamoDB, S3, IAM, KMS, Control Tower) Strong understanding of hybrid networking and security (Transit Gateway, Direct Connect, VPN, WAF, Zero Trust) Proficiency in infrastructure-as-code (Terraform, CloudFormation) and CI More ❯
for a Python Engineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python back-end systems Designing cloud-first solutions in AWS (Lambda, AppSync, DynamoDB) Collaborating with data, investment, and engineering teams Shaping best practices across CI/CD, DevOps, and agile development What we’re looking for: 5+ years’ experience in software engineering More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Orchestra
We deploy to production multiple times a day 🛠️ Tech Stack Backend: Python (FastAPI) + Typescript (express) Frontend: React + Typescript Infrastructure: AWS (serverless!), terraform Containerisation: Docker Database: PostgreSQL + DynamoDB CI/CD: GitHub actions + Blacksmith runners 🖥️ What You'll Do Build exceptional product and scale the core experience Implement and maintain features across the full stack (with More ❯
pipelines and infrastructure. Candidate should be SC Cleared/SC Eligible Key Roles and Responsibilities Build, deploy, and monitor solutions using AWS services (Lambda, API Gateway, CloudWatch, ECS, ECR, DynamoDB, S3, etc.). Integrate APIs into CI/CD pipelines using Azure DevOps and GitHub workflows. Design, develop, and manage applications tailored to business needs while customizing platforms 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, and Serverless Framework are all beneficial eCommerce/Shopify experience is a bonus More ❯
Mid level Full Stack Engineer Salary range: 60-70k Location : Central London (x1 day per week onsite - flex on day) Tech stack includes : React, Typescript, NodeJS, AWS serverless (DynamoDB, Lambda, AppSync GraphQL, ElasticSearch). Current team size : x3 Engineers We're working with a B2B SaaS startup company based in London building an R&D tax relief software More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
have tons of autonomy and become an integral part of their engineering function alongside the Lead Frontend Engineer & Head of Tech. Stack: Must have: Go | REST APIs | gRPC Microservices | DynamoDB | MySQL | Agile A big plus! Docker | Kubernetes | React | CI/CD | AWS & GCP What you'll do: Tech Leadership Lead a high-impact project end-to-end Set the More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Motilent
and deploying them on major cloud providers (AWS, Azure, or GCP). Working knowledge of containers and container orchestration (e.g. Docker, Kubernetes). Experience with non-SQL databases (e.g. DynamoDB, MongoDB). Strong understanding of RESTful APIs and service integration patterns. Familiarity with OAuth 2.0 and OpenID Connect (OIDC). Understanding of Agile software development, CI/CD pipelines … mentor junior engineers, lead code reviews, and shape architectural decisions. Knowledge of DICOM/DICOMWeb standards or healthcare data integration workflows. Our Tech Stack Java and Spring Boot AWS DynamoDB Docker ...and more Ways of Working Operate within Motilent’s QMS, maintaining traceability and documentation as required by regulated software standards. Collaborate closely with engineers, solution architects, and product More ❯
DevOps Engineer Summary DevOps Engineer with Apigee 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 More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Tenth Revolution Group
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 …/CD workflows Comfortable working in a fast-paced, collaborative start-up environment Passionate about solving real problems with clean, maintainable code Nice to Have Experience with databases (PostgreSQL, DynamoDB, or MongoDB) Familiarity with Docker or serverless architectures Exposure to front-end frameworks (React, Next.js, etc.) Why Join Us Be part of an early-stage start-up where your 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 Please apply now More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Uneek Global
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 … 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 code reviews and mentoring More ❯