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Posted 12 August, 2026

Full Stack Developer

Devonshire Hayes Recruitment Specialists Limited
London, ENG, GB Full Time

Job Description

We are seeking a mid level Full Stack Developer to build high-performance, real-time applications. You must have strong front-end expertise with either WebSocket or SingalR and a Grid tech such as AG Grid.

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This role requires onsite attendance 3 days per week in London.

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Key Responsibilities

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  • Develop real-time applications using Nextjs, React and TypeScript.
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  • Build complex, data-driven interfaces using Web Components and AG Grid.
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  • Implement real-time communication using WebSockets or SignalR.
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  • Develop RESTful APIs and microservices using C#, doNET 8 and Python.
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  • Build distributed systems using RabbitMQ and Redis.
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  • Work with SQL Server, AWS RDS and MongoDB.
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  • Maintain repositories, CI/CD pipelines and deployments through Azure DevOps and GitHub.
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Essential Experience

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  • Next.js, React, TypeScript, Web Components and AG Grid.
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  • Front-end trading application development.
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  • Real-time sales and trader workflows.
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  • WebSockets or SignalR.
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  • C#, dotNET 8, Python, RESTful APIs and microservices.
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  • RabbitMQ and Redis.
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  • SQL Server or AWS RDS, plus MongoDB or another NoSQL database.
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  • Azure DevOps, GitHub and CI/CD pipelines.
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Experience integrating Azure DevOps with tools such as Mondaydotcom or Confluence would be beneficial.