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# FX Developer - React C# Fullstack

- **Company:** TEKsystems
- **Location:** London, UK
- **Contract:** Permanent contract
- **Skills:** JIRA, C Sharp (Programming Language), Code Review, Relational Databases, Distributed Systems, PostgreSQL, Systems Integration, TypeScript, ReactJS, Backend, Stream Processing
- **Published:** June 9, 2026
- **Apply:** https://www.careerboard.com/pt/en/find-jobs-in-United-Kingdom/-161D5B6697D0A2AD20/

## About the Role

Strong Experience in C# and modern Back End development

Solid understanding of TypeScript and React

Proficiency with PostgreSQL or similar relational databases

Experience integrating with quant libraries, pricing engines, or other computational services

Ability to operate effectively in a Front Office or similarly fast-paced environment

Comfortable working with incomplete requirements and driving clarity through discussion

Strong communication skills and willingness to engage directly with Trading and Quants

Ability to deliver both quick tactical fixes and well-designed strategic solutions

Nice to Have

Experience in FX, options, or other derivatives

Familiarity with risk systems, valuation concepts, or market data

Experience with distributed systems or Real Time data processing

Prior exposure to global teams and cross-time-zone collaboration

Skills

 * FX
 * React
 * C#
 * trading
 * development

## Description

Deliver high-quality features and enhancements across UI, services, and pricing components

Work closely with the Team Lead, Traders, Quants, and other developers to clarify requirements

Break down ambiguous or high-level Jira tickets into actionable technical tasks

Design pragmatic solutions that balance speed, robustness, and long-term maintainability

Participate in code reviews, knowledge sharing, and architectural discussions

Support production systems, including participation in the on-call rota

Contribute to an inclusive, collaborative team culture


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