Senior Developer C# React Investment Banking

Talan Group; Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

Talan Group is looking for a Senior Developer to join their technology team in Greater London. This role requires expertise in TypeScript and React, where you will design and deliver features across UI and backend services. You will collaborate closely with stakeholders to refine requirements and support live systems. The position offers a hybrid working model with 3 days in the office. Join Talan Group to contribute to cutting-edge risk and valuation systems in a dynamic environment.

Qualifications

• Solid knowledge of TypeScript and React.
• Experience with relational databases, preferably PostgreSQL.
• Ability to work in fast-paced environments.

Responsibilities

• Design and deliver high quality features across UI, backend services, and data layers.
• Collaborate with stakeholders to refine requirements.
• Support live systems and participate in an on-call rota.

Skills

TypeScript

React

Relational databases

Communication skills

Risk/valuation systems

Financial products knowledge

Distributed systems knowledge

Job description

About Talan

At Talan, we deliver technology solutions in partnership with leading global clients. We are currently supporting one of our long standing clients in building and enhancing a front office risk and valuation platform used in a fast paced, real time environment.

The Role

We are seeking a hands on Senior Developer to join a high impact technology team responsible for risk, valuation, and decision support systems. You will work across the full stack, collaborating closely with business users and technical peers in a dynamic, agile setting.

Key Responsibilities

• Design and deliver high quality features across UI, backend services, and data layers
• Collaborate directly with stakeholders to refine requirements and deliver practical solutions
• Contribute to system design, code reviews, and continuous improvement
• Support live systems and participate in an on-call rota
• Work in a fast paced environment balancing quick deliveries with longer term enhancements
• Frontend: TypeScript, React
• Integration with pricing / computational services

Requirements

• Solid knowledge of TypeScript and React
• Experience with relational databases (PostgreSQL preferred)
• Ability to work in fast-paced, collaborative environments with evolving requirements
• Strong communication skills and proactive mindset
• Experience with risk/valuation systems or real-time platforms
• Exposure to financial products (e.g., derivatives)
• Knowledge of distributed or data-intensive systems

Working Model

• Hybrid: 3 days per week in the London office