6 of 6 Contract JavaScript Jobs in the City of London

Full-Stack Software Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £520 per day
Lambda, IAM) Kafka/event-driven systems SQL optimisation REST/JSON API design Docker proficiency Excellent communication skills Nice to Have JavaScript/React Aurora/RDS If you're proactive, outcomes-driven, and thrive in high-stakes environments with strong stakeholder engagement skills, then please get in touch ...

AI Evangelist - Inside IR35 - Hybrid

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £1000/day
Science, Finance, or a related field. Experience with high-level programming languages such as C++, Java, or C#. Proficiency with TypeScript, Node.js, and modern JavaScript frameworks for UI development. Strong hands-on experience with Python, SQL, and AI/ML frameworks (e.g., TensorFlow, PyTorch), particularly within financial workflows. To apply ...

Senior Backend Developer

Hiring Organisation
Vallum Associates Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 Daily
OSGi services using Java and the Sling framework. Front-End Integration: Collaborate with UX/UI teams to integrate front-end code (HTML, CSS, JavaScript/React/Angular) into AEM for a responsive user experience click apply for full job details ...

DevOps Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £478/day
that enable rapid development and high-quality software development. Tech Stack Required: Kafka Java docker Spring (framework boot, Data) K8 Helm React Typescript/JavaScript Postgres Open Search/ElasticSearch Playwright Wiremock Grafana Prometheus Dynatrace Git NodeJS Rest API All profiles will be reviewed against the required skills and experience. ...

Qualtrics Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
within tight timelines. Desirable Skills Familiarity with automotive financial services or similar regulated industries. Experience in UX research and competitor benchmarking. Basic knowledge of JavaScript/HTML/CSS for custom survey styling. Engagement Deliverables Fully branded Qualtrics environment. Configured surveys deployed across multiple channels. Integrated dashboards for real-time ...

Full Stack Engineer (Python/Js/MS Stack) Agentic AI Project

Hiring Organisation
GCS
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Full Stack Engineer (Python/JavaScript/MS Stack) Agentic AI & LLM Project Location: Hybrid (London) and Remote Start: Jan 2026 The role We're hiring a hands-on Full Stack Engineer to build production-grade agentic AI solutions and LLM-powered applications. You'll design and deliver … observability, and secure data handling. What you'll do Design & build scalable services in Python (FastAPI/Django/Flask) and front-ends in JavaScript/TypeScript (React/Next.js or similar). Develop agent workflows (planning, tool-use, memory) and LLM pipelines (prompt orchestration, retrieval, evaluation, guardrails). Productionise ...