Senior Backend Software Engineer (C#)
Overview
Our client (Tier 1 Fund) is seeking a strong backend software engineer to join its Accounting Technology team, focused on building and maintaining high-performance financial systems that support critical post-trade and data processing workflows.
This role is best suited to a hands-on engineer who thrives in a fast-paced environment, enjoys solving complex technical problems, and is comfortable working on high-volume, distributed systems in a production trading environment.
Key Responsibilities
- Design, develop, and maintain scalable backend services supporting their core financial systems
- Build and enhance distributed, event-driven architectures to process high-volume transactional data
- Develop microservices and APIs that handle trade, position, and financial data workflows
- Work on systems responsible for data processing, reconciliation, and financial event handling
- Collaborate closely with engineering teams globally to deliver robust, production-ready solutions
- Contribute to both new development and enhancement of existing systems, balancing performance, reliability, and scalability
- Participate in a fast-moving environment, supporting critical systems while driving forward improvements
Core Requirements
- 5-10+ years of hands-on backend development experience
- Strong proficiency in C# / .NET Core
- Experience building microservices and distributed systems
- Strong understanding of:multi-threading / concurrency , API development & system performance optimisation
- Experience working with event-driven architectures
- Hands-on experience with messaging technologies such as: Kafka, Solace, RabbitMQ, ActiveMQ, or similar
- Experience working on high-volume, real-time, or batch processing systems
- Background in financial services environments (hedge funds, banks, asset managers, trading platforms)
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