Senior Developer C# React Investment Banking
At a glance
Senior Investment & Corporate Development role at Talan. London · full-time · no salary stated · we estimate £60,000–£116,772 across the United Kingdom.
Talan has not published a salary for this role. The figure below is our estimate, not theirs.
financeroles summary, based on the employer's posting.
What you'll do
- Build features across the React interface, C# services and data layers for risk and valuation systems
- Work with business stakeholders to clarify needs and turn them into practical software solutions
- Contribute to system design and code reviews, and improve how the platform is developed
- Support production systems and take part in the on-call rota
- Balance rapid delivery with longer-term changes in an agile team
What you bring
- Strong experience developing backend services with C#
- Solid working knowledge of TypeScript and React
- Experience with relational databases, preferably PostgreSQL
- Clear communication and a proactive approach to changing requirements
Who this fits
This hands-on senior role suits a developer comfortable working across the stack with business users and technical colleagues. You’ll work from the London office three days each week and join an on-call rota.
From the employer
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
Technology Stack
- Frontend: TypeScript, React
- Backend: C# / .NET
- Database: PostgreSQL
- Integration with pricing / computational services
Requirements
- Strong C# backend development experience
- 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
Desirable
- 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
- Collaboration with global teams
#TalanUK
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