Requirements

• Proficiency in C#/.NET and WPF
• Experience in at least one additional programming language (e.g. Python or JavaScript)
• Solid understanding of software design, debugging, and problem solving
• Experience working with distributed systems and business-critical applications
• Familiarity with modern development tools and practices (e.g. Git-based workflows, CI/CD)
• Experience working across the full software development lifecycle, including production support
• Strong written and verbal communication skills, particularly in collaborative, fast-moving environments

Nice to Haves

• Experience in financial, trading, or time-sensitive environments
• Exposure to cloud platforms, containerisation, or system monitoring
• Experience with databases and writing complex queries
• Experience in software performance tuning for high throughput or low latency
• Experience contributing to documentation, mentoring, or engineering standards

What You'll Be Doing

• Design, build, and maintain robust full-stack applications using C#/.NET and related technologies
• Operate in an iterative development environment using lightweight specifications and fast feedback loops
• Collaborate closely with traders, business users, support teams, and fellow developers
• Contribute to system and application architecture with a focus on scalability, resilience, and performance
• Take ownership of systems across the full lifecycle, from requirements and design through to production support
• Support production environments at 2nd level, ensuring system stability and prioritising operational improvements
• Participate actively in design discussions, reviews, and knowledge-sharing sessions
• Apply pragmatic decision-making guided by speed, capacity, stability, and risk

Perks and Benefits

• Equal Opportunity Statement: We’re committed to building a diverse and inclusive workplace. We encourage candidates from all backgrounds to apply and are happy to provide reasonable accommodations during the hiring process.
• If you're a recruiting agency and want to partner with us, please reach out to recruiting@sig.com. Any resume or referral submitted in the absence of a signed agreement will not be eligible for an agency fee.