Full Stack Developer

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

Key Attributes

• Proactive and self-motivated, with the ability to work independently
• Comfortable working in a fast-paced, evolving environment
• Strong attention to detail and quality
• Effective problem solver with a pragmatic approach
• Collaborative team player with strong communication skills