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Senior Full Stack Developer

  • Source: LinkedIn
  • Haystack
  • Remote
  • London
  • Senior

Job Description

A leading technology consultancy focused on delivering cutting-edge AI-driven solutions to complex organizations is seeking a Senior Full Stack Developer. This company excels at transforming advanced AI capabilities into practical, production-ready applications that provide significant business value in a fast-paced, collaborative environment where technical excellence is paramount.

The Role

  • Lead the design and build of end-to-end AI-powered applications, from initial architecture through to production deployment
  • Architect scalable backend services and intuitive frontend interfaces that expose AI capabilities to enterprise users
  • Design and implement agentic AI systems, including orchestration patterns, tool integration, and evaluation approaches
  • Set technical direction and best practices across the full stack, ensuring high standards of quality and maintainability
  • Provide technical leadership through code reviews, design input, and hands-on problem solving
  • Contribute to reusable components and frameworks that accelerate delivery across engagements

What You’ll Need

  • Strong experience delivering full stack applications using modern JavaScript or TypeScript frameworks, with React or similar on the frontend
  • Proven backend engineering capability in Python and or Node.js, including API design and service-oriented architectures
  • Hands-on experience building and deploying AI solutions using large language models and related frameworks
  • Solid understanding of cloud platforms and modern deployment patterns such as containerisation, serverless, and CI/CD
  • Strong data fundamentals, including SQL, data modelling, and integration with enterprise data platforms
  • Ability to lead technically, communicate clearly with stakeholders, and operate confidently in ambiguous problem spaces

What’s On Offer

  • Opportunity to work on cutting-edge AI-driven solutions
  • Collaborative and technically excellent work environment
  • Influence and make meaningful technical decisions
  • Immediate start date for a contract opportunity

Apply via Haystack today!

Skills

  • javascript
  • TypeScript
  • microsoft-typescript
  • React
  • Python
  • NodeJS
  • serverless
  • haystack
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