{"@context":"https://schema.org/","@type":"JobPosting","title":"C# Developer (Quant, Commodities)

A leading Global Markets business is expanding across three front-office technology teams and is seeking experienced C# Developers to join their Quant, E-Trading and Commodities groups. These roles sit close to the business, working directly with traders, quants and cross-functional partners to build high-performance systems that support pricing, execution, liquidity, balance sheet optimisation and the full trade life cycle

See Below Roles:

1. Quant Engineer - Liquidity & Balance Sheet Optimisation

This role sits within the Quantitative Research team, developing the analytics that compute and optimise liquidity and balance sheet metrics across all business lines., * Design and enhance the internal C# analytics library for liquidity and balance sheet metrics.

• Build analytical tools for traders and business managers to monitor resource consumption.
• Participate in trading meetings and strategy discussions, providing insights and recommendations.
• Collaborate with Trading, Sales, IT, Market Risk and global Research teams., * Develop pricing, execution and workflow components for electronic trading.
• Work with high-volume, low-latency data, multithreading and concurrency.
• Deliver rapid enhancements in partnership with traders and quants.
• Contribute to microservices architecture and front-end components (React/Angular)

Core Skills

• C#, SQL, multithreading, concurrency and high-performance system design.
• Experience with microservices architecture.
• Background in e-trading or pre-trade execution (any asset class).
• Understanding of trade orders and workflows.
• Nice to have: React or Angular (role is 70% backend / 30% frontend).

3. Commodities C# Developer - Commodities Derivatives Platform

This role joins the London-based core development team supporting the full pre-trade to accounting chain for Commodities Derivatives.

Key Responsibilities

• Design and develop core functionality for the Commodities Derivatives platform.
• Deliver enhancements across pricing, risk, regulatory and post-trade services.
• Ensure platform stability through robust testing and release control.
• Follow team standards for code review, deployment and architectural governance.

Core Skills

• Strong C# and SQL Server experience.
• Experience with microservices, web technologies, Redis, Consul, Octopus or TeamCity is beneficial.
• Organised, delivery-focused and comfortable working autonomously.

• Strong C# development skills with solid understanding of data structures and algorithms.
• Familiarity with liquidity, balance sheet or regulatory topics is advantageous.
• Strong communication skills and confidence engaging with front-office stakeholders.

2. E-Trading C# Developer - Electronic Trading (Pre-Trade)

This role focuses on building and optimising low-latency, high-performance components that underpin electronic trading across multiple asset classes.

Quant Day Rate: Up to £900 (Via Umbrella)

E-Trading and Commodities Day Rate: Up to £750 (Via Umbrella)