At a Glance
- Tasks: Join a dynamic team to develop and consolidate critical trading systems using C#.
- Company: Renowned hedge fund focused on data-driven decision making and technology excellence.
- Benefits: Competitive contract rate, collaborative environment, and opportunity for impactful work.
- Other info: Fast-paced, agile environment with excellent career growth potential.
- Why this job: Make a real difference in high-stakes trading technology and enhance your skills.
- Qualifications: Strong C# and .NET experience, with knowledge of fixed-income trading systems.
The predicted salary is between 60000 - 80000 € per year.
The Client
Our client is a highly regarded discretionary investment manager with a strong focus on data‑driven decision making. They operate with a small, agile structure and are recognised for their commitment to excellence in trading and technology. Their in‑house technology function spans IT infrastructure, software development, and quantitative analysis, supporting all aspects of market data processing and trading activity. The environment is fast‑paced, collaborative, and highly technical, where code quality, performance, and low‑latency systems are top priorities. Engineers work across domains, contribute to architectural discussions, and help shape scalable, robust systems.
The Role
The client is embarking on a major initiative to unify and expand their core systems, bringing more of this capability in‑house. They are in search for senior C# developers to work on a contract basis. This will initially be a 12 month contract. This role will be to work as part of a large re-engineering project to develop and consolidate systems, write software and have a direct impact on several critical platforms. This includes an in‑house C# PnL and Risk system that performs real‑time portfolio valuation, alongside other components that will be integrated into a cohesive, modernised core platform.
Candidate Profile
- Domain Expertise
- Strong background in fixed‑income trading systems
- Knowledge across front‑, middle‑, and back‑office workflows
- Demonstrable expertise in:
- Repo trading and lifecycle management
- Post‑trade operations, clearance, and settlement
- Margin and collateral management
- Experience building systems that capture bond and swap (interest rate and FX) cashflow events
- Understanding of accrual (trade date) and realised (settlement date) accounting reconciliations
- Particular interest in candidates with Fixed Income and Rates experience
- Technical Skills
- Strong computer science fundamentals
- Hands‑on development experience in:
- C# and .NET (essential for this role)
- Python within quant or data environments
- The client will also consider exceptional engineers from other OOP backgrounds such as C++, Java, or Go
- Familiarity with UI technologies such as WinForms, WPF, Blazor Hybrid, and Blazor Web
- Additional interests:
- Experience working in front‑office or trading‑technology environments, or on business‑critical systems
- Pragmatic, delivery‑focused mindset
- Commitment to high‑quality engineering practices and low‑latency, high‑performance systems
- Low‑ego, high‑performing self‑starter who values ownership, teamwork, and delivering commercial, pragmatic solutions
As a long‑standing recruitment partner to this team, we can provide deep insight into the role, expectations, and culture, ensuring you have a clear and accurate understanding of the opportunity. Due to demand, we are advertising this role anonymously. If you would prefer to speak to someone before submitting a CV, please send a blank application to the role and someone will be in touch to discuss. We can only respond to highly qualified candidates.
Senior C# Developer (Contract) - Front Office Engineering | Hedge Fund in London employer: Undisclosed
Our client is an exceptional employer, offering a dynamic and collaborative work environment that prioritises innovation and excellence in technology. With a strong focus on employee growth, they provide opportunities for engineers to engage in impactful projects that shape the future of trading systems. Located in a fast-paced financial hub, the company fosters a culture of teamwork and high performance, making it an ideal place for talented individuals seeking meaningful and rewarding careers in the finance sector.
StudySmarter Expert Advice🤫
We think this is how you could land Senior C# Developer (Contract) - Front Office Engineering | Hedge Fund in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the finance and tech sectors. Attend meetups or webinars related to trading technology. You never know who might have the inside scoop on job openings or can refer you directly to hiring managers.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your C# projects, especially those related to trading systems. This will give potential employers a taste of what you can bring to the table and demonstrate your hands-on experience.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and understanding of fixed-income trading systems. Practice common algorithms and data structures, and be ready to discuss your past projects in detail. We want you to shine!
✨Tip Number 4
Apply through our website! We’ve got a direct line to the hiring team and can provide insights that’ll help you stand out. Plus, it’s a great way to ensure your application gets the attention it deserves.
We think you need these skills to ace Senior C# Developer (Contract) - Front Office Engineering | Hedge Fund in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to highlight your experience with C# and .NET, as well as any relevant fixed-income trading systems. We want to see how your skills align with the role, so don’t be shy about showcasing your achievements!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you’re passionate about this role and how your background fits into the fast-paced, collaborative environment they offer. Let us see your personality and enthusiasm!
Showcase Relevant Projects:If you've worked on projects that involved low-latency systems or trading technology, make sure to mention them. We love seeing concrete examples of your work that demonstrate your expertise and problem-solving skills.
Apply Through Our Website:Don’t forget to apply through our website! It’s the best way for us to keep track of your application and ensure it gets to the right people. Plus, we’re here to help if you have any questions along the way!
How to prepare for a job interview at Undisclosed
✨Know Your Tech Inside Out
Make sure you brush up on your C# and .NET skills, as these are essential for the role. Be prepared to discuss your hands-on experience with these technologies and how you've applied them in real-world scenarios, especially in fixed-income trading systems.
✨Understand the Business Context
Familiarise yourself with the nuances of front-, middle-, and back-office workflows. Knowing how repo trading, lifecycle management, and post-trade operations work will give you an edge. Be ready to explain how your technical skills can directly impact these areas.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific challenges you've faced in previous projects and how you overcame them. Highlight your pragmatic, delivery-focused mindset and provide examples of how you've delivered high-quality engineering solutions under pressure.
✨Emphasise Teamwork and Collaboration
This role requires a collaborative spirit, so be sure to share experiences where you've worked effectively within a team. Discuss how you value ownership and teamwork, and how you contribute to creating a positive team culture while delivering results.
