Top Tech Jobs & Startup Jobs in London

Lead QA and test strategy for an AWS-native big data platform. Define automated test frameworks, validate large-scale data pipelines (PySpark/EMR), integrate tests into GitLab CI/CD, manage risk and reporting, mentor QA teams, and ensure data integrity across cloud data lake workflows.

Hands-on Lead AI Engineer to design, build, and operate production-grade RAG, semantic search, embedding, and LLM orchestration systems in a UK government programme. Mentor engineers, implement Responsible AI guardrails, ensure security/observability, and enable capability transfer using Docs-as-Code and iterative delivery.

Design, build, and maintain scalable full-stack applications and microservices using Node.js/Express and Angular. Develop secure REST APIs, implement Jest automated tests, contribute to GitLab CI/CD pipelines, support cloud-native/containerised and serverless deployments on AWS, participate in Agile teams, perform code reviews, and optimise application performance and reliability.

Design, deploy, and operate AWS infrastructure and CI/CD pipelines for multi-environment digital services. Manage networking (Transit Gateway, PrivateLink), IAM/MFA, Kong API Gateway, serverless and microservice architectures, Kafka integrations, and FinOps tagging. Troubleshoot deployments, improve automation, support accessibility standards, and collaborate within Agile teams.

Design, build and maintain cloud-native full-stack applications. Develop secure REST APIs with Node.js/Express, build Angular front ends, write tests (Jest), contribute to CI/CD (GitLab), and support AWS container deployments.

Develop and execute automated and manual tests (functional, regression, integration, exploratory). Maintain test frameworks, file defects, contribute to CI/CD pipelines, and work with agile teams to embed quality across the delivery lifecycle. Active SC clearance required.