At a Glance
- Tasks: Develop and enhance trading tools while collaborating with diverse teams.
- Company: Leading financial services firm with a hybrid work culture.
- Benefits: Competitive salary, bonuses, extensive health benefits, and 25 days holiday.
- Other info: Opportunities for professional growth and employee recognition.
- Why this job: Join a dynamic team and make an impact in the fast-paced financial sector.
- Qualifications: 5+ years in C# development with strong problem-solving skills.
Senior C# Developer – London
Industry: Financial Services
Location: London, United Kingdom (Hybrid)
Salary: £85k to £120k - based on experience and skillset + bonus + EOT + benefits
What you’ll be doing:
- Develop, maintain and enhance client‑facing tools for trading and risk management across commodities and FX products.
- Collaborate closely with front office, risk, operations and technology teams to automate workflows and improve execution efficiency.
- Design and implement real‑time analytics and reporting systems, including dashboards and operational monitoring.
- Integrate data sources (market data, positions, risk metrics) into scalable services and visualisation layers.
- Optimise performance and reliability of in-house applications, including low‑latency components and data pipelines.
- Ensure systems are resilient, secure, and compliant with operational and governance standards.
- Contribute to code quality through peer reviews, testing practices, documentation and continuous improvement.
The skills we’re looking for:
- 5+ years’ development experience within a hedge fund, investment bank, or trading firm.
- Strong programming skills in C# and experience delivering production‑grade services.
- Good understanding of financial markets, especially commodities or FX.
- Proven experience building low‑latency tools, data pipelines, or trade support systems.
- Familiarity with market data feeds, pricing models, and position management systems.
- Knowledge of databases (SQL) and designing efficient data access patterns.
- Experience with cloud infrastructure (Azure preferably).
- Familiarity with DevOps practices and CI/CD pipelines.
- Understanding of systematic trading frameworks or risk analytics.
- Excellent communication skills and ability to operate effectively in a fast‑paced front‑office environment.
- Strong problem‑solving mindset and attention to detail.
- Exposure to energy markets, metals, or emerging market FX is a plus.
What we offer:
- Employee Ownership Trust participation, with potential for tax‑free discretionary cash bonuses.
- Annual discretionary performance bonus.
- Extensive private health benefits, including medical, dental, critical illness, life assurance, and income protection.
- 25 days’ holiday plus bank holidays.
- Pension scheme to support your future.
- Salary sacrifice options including electric vehicle leasing and cycle to work scheme.
- Discounted gym membership and season ticket loans.
- Ongoing support for professional development.
- Employee Recognition Awards and Length of Service rewards.
Full Stack Developer | C# | London, Hybrid employer: Source Technology Limited
Source Technology Limited is an exceptional employer that fosters a collaborative and innovative work culture, making it an ideal place for professionals looking to thrive in the tech industry. With a strong emphasis on employee growth and development, team members are encouraged to enhance their skills through continuous learning opportunities while working on cutting-edge cloud technologies. Located in the United Kingdom, the company offers a dynamic environment where creativity and technical expertise are valued, ensuring that employees can make a meaningful impact in their roles.
