Full Stack Web Developer
Posted 1 week ago by Devonshire Hayes Recruitment Specialists Ltd
£350 Per day
Inside
Onsite
London
Summary: The role of Full Stack Developer involves delivering next-generation trading applications with a strong emphasis on UI development. The position is suited for candidates with 3-5 years of experience and requires working three days a week onsite in The City of London. The developer will be part of a collaborative Agile team focused on real-time systems within a leading global financial services firm. This opportunity is ideal for those who thrive in dynamic environments and enjoy building user-centric applications.
Key Responsibilities:
- Translate user stories into scalable, high-quality technical solutions
- Contribute to Agile ceremonies including sprint planning, stand-ups, and retrospectives
- Design, build, test, and deploy applications within a microservices architecture
- Develop responsive, real-time front-end interfaces for trading workflows
- Build proof-of-concepts (PoCs) and UI prototypes to support business requirements
- Write and maintain integration tests as part of the development lifecycle
- Collaborate with cross-functional teams to deliver key milestones
- Provide support for production systems when required
Key Skills:
- Strong experience with Next.js, React, and TypeScript
- Solid front-end engineering experience, ideally within real-time or trading environments
- Experience with WebSockets or SignalR for real-time communication
- Backend development experience with .NET (C#) and/or Python
- Strong understanding of REST APIs and microservices architecture
- Experience with message brokers (e.g. RabbitMQ or Kafka)
- Knowledge of caching technologies (e.g. Redis)
- Experience with Azure DevOps / CI/CD pipelines / Git
- Working knowledge of SQL and NoSQL databases
- Experience with cloud platforms (Azure or AWS)
- Experience with containerisation (Docker, Kubernetes)
- Knowledge of financial systems or trading platforms
- Exposure to FIX protocol
- Understanding of asset classes such as FX, derivatives, or similar
Salary (Rate): £350/day
City: London
Country: United Kingdom
Working Arrangements: on-site
IR35 Status: inside IR35
Seniority Level: Mid-Level
Industry: IT
If you are a Full Stack Developer with strong UI experience, we have a new 1-year FTC we’d like to discuss with you. This role would be ideal for someone with 3-5 years’ experience and requires 3 days per week onsite in The City of London.
About the Company
A leading global financial services firm specialising in electronic trading and liquidity solutions is undergoing a significant technology transformation. With an established presence across major financial hubs, the business works with top-tier institutional clients and is investing heavily in modernising its trading platforms and infrastructure. This is an opportunity to join a high-performing, collaborative technology team working on cutting-edge, real-time systems within a fast-paced environment.
The Role
We’re looking for a mid-level Full Stack Developer with strong front-end expertise to play a key role in delivering next-generation trading applications. You’ll join a small Agile team, working closely with both technology and business stakeholders on greenfield and enhancement projects, with a particular focus on real-time UI development. This role would suit someone who thrives in a dynamic environment and enjoys building high-performance, user-centric applications.
Key Responsibilities
- Translate user stories into scalable, high-quality technical solutions
- Contribute to Agile ceremonies including sprint planning, stand-ups, and retrospectives
- Design, build, test, and deploy applications within a microservices architecture
- Develop responsive, real-time front-end interfaces for trading workflows
- Build proof-of-concepts (PoCs) and UI prototypes to support business requirements
- Write and maintain integration tests as part of the development lifecycle
- Collaborate with cross-functional teams to deliver key milestones
- Provide support for production systems when required
Technical Skills & Experience
Essential:
- Strong experience with Next.js, React, and TypeScript
- Solid front-end engineering experience, ideally within real-time or trading environments
- Experience with WebSockets or SignalR for real-time communication
- Backend development experience with .NET (C#) and/or Python
- Strong understanding of REST APIs and microservices architecture
- Experience with message brokers (e.g. RabbitMQ or Kafka)
- Knowledge of caching technologies (e.g. Redis)
- Experience with Azure DevOps / CI/CD pipelines / Git
- Working knowledge of SQL and NoSQL databases
- Experience with cloud platforms (Azure or AWS)
Desirable:
- Experience with containerisation (Docker, Kubernetes)
- Knowledge of financial systems or trading platforms
- Exposure to FIX protocol
- Understanding of asset classes such as FX, derivatives, or similar
Qualifications & Experience
Degree in Computer Science, Engineering, or a related field
2–3 years’ experience in full stack or front-end development
Prior experience working on data-driven or real-time UI applications preferred
Exposure to Agile delivery environments