React JavaScript Developer

• Minimum 5 years' experience as a React JavaScript Developer (Node.js/ES6+)
• Proven experience with workflow automation, AI orchestration, or LLM-based application development
• Strong understanding of event-driven architectures using AWS SQS and Kafka
• Experience integrating and managing RESTful APIs and microservices
• Hands-on experience embedding third-party SDKs into web applications with custom styling and workflow integration
• Proficiency with AWS (API Gateway, Lambda, SQS, RDS, and related services)
• Knowledge of CI/CD pipelines, Git, and Docker
• Strong grasp of secure coding practices and performance optimisation
• Excellent problem-solving and collaboration skills in a remote-first environment

United Kingdom - £60k - 80k per year + Brilliant Benefits Full Time Posted by: Proactive Appointments Posted: Monday, 16 February 2026

React JavaScript Developer - Remote

Our client, a rapidly growing enterprise SaaS business, is urgently looking for a React JavaScript Developer to join their team on a permanent basis. Please note, the role is 100% remote, with occasional meet-ups in London.

Delivering AI-powered software, our client combines advanced workflow automation, deep integration and AI orchestration to help customers maximise value, ensuring compliance and drive real ROI.

You will be rewarded with an excellent salary, as well as a brilliant benefits package including annual leave, pension scheme, remote working, state-of-the-art kit, the chance to work in an innovative way across all the latest technologies and AI solutions.

Proactive Appointments Limited operates as an employment agency and employment business and is an equal opportunities organisation