At a Glance
- Tasks: Lead the evolution of core technology, design systems, and guide a team of developers.
- Company: Renowned hedge fund focused on data-driven decision making and technological excellence.
- Benefits: Competitive salary, collaborative culture, and opportunities for professional growth.
- Other info: Join a fast-paced, innovative team where your ideas and technical excellence are valued.
- Why this job: Shape the future of technology in a high-performing investment environment.
- Qualifications: Strong C# and .NET skills, with experience in trading technology or business-critical systems.
The predicted salary is between 72000 - 108000 £ per year.
The 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.
As Head of Core Platform, you will lead this transformation—designing, planning, and implementing the evolution of the core technology stack to create a strong foundation for future growth. You will develop and consolidate systems, write software, guide a team of developers, and take ownership of 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.
You will work closely with senior stakeholders including the CTO, COO, Head of Operations, and Project Management.
- Knowledge across front‑, middle‑, and back‑office workflows
- Repo trading and lifecycle management
- 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
- Strong computer science fundamentals
- 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
- Experience working in front‑office or trading‑technology environments, or on business‑critical systems
- 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
This is a rare opportunity to take ownership of a mission‑critical transformation within a high‑performing investment manager. You’ll shape the architecture, engineering standards, and long‑term technical direction of the firm, working in a collegiate environment where ideas matter and technical excellence is valued.
Senior C# Developer - Head of Core Platform | Hedge Fund | London in City of London employer: Undisclosed
Our client is an exceptional employer, offering a dynamic and collaborative work environment in the heart of London. With a strong emphasis on data-driven decision making and a commitment to excellence, employees are empowered to take ownership of their projects and contribute to meaningful transformations within the firm. The company fosters a culture of continuous learning and growth, providing ample opportunities for professional development while working alongside industry leaders in a fast-paced, high-performance setting.
StudySmarter Expert Advice🤫
We think this is how you could land Senior C# Developer - Head of Core Platform | Hedge Fund | London in City of London
✨Network Like a Pro
Get out there and connect with people in the industry! Attend meetups, tech conferences, or even local coding events. The more you engage with others, the better your chances of landing that Senior C# Developer role.
✨Show Off Your Skills
Don’t just talk about your experience—show it! Create a portfolio showcasing your projects, especially those involving C# and .NET. This will give potential employers a taste of what you can bring to their core platform.
✨Ace the Interview
Prepare for technical interviews by brushing up on your coding skills and understanding of low-latency systems. Practice common interview questions and be ready to discuss your past experiences in front-, middle-, and back-office workflows.
✨Apply Through Our Website
Make sure to apply directly through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who take the initiative to reach out directly.
We think you need these skills to ace Senior C# Developer - Head of Core Platform | Hedge Fund | London in City of London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that align with the job description. Highlight your C# and .NET expertise, as well as any experience in trading technology or low-latency systems. We want to see how you can contribute to our core platform!
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 makes you a perfect fit. Don’t forget to mention your commitment to high-quality engineering practices—this is key for us at StudySmarter.
Showcase Your Projects:If you've worked on relevant projects, whether personal or professional, make sure to include them. We love seeing real-world applications of your skills, especially if they involve building robust systems or working with financial data. It helps us understand your hands-on experience!
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re proactive and keen to join our team!
How to prepare for a job interview at Undisclosed
✨Know Your Tech Inside Out
Make sure you’re well-versed in C# and .NET, as these are essential for the role. Brush up on your knowledge of low-latency systems and high-performance engineering practices, as you'll need to demonstrate your expertise in these areas during the interview.
✨Showcase Your Leadership Skills
As the Head of Core Platform, you'll be guiding a team of developers. Be prepared to discuss your previous leadership experiences, how you've managed teams, and how you approach architectural discussions. Highlight any successful projects where you took ownership and led a transformation.
✨Understand the Business Context
Familiarise yourself with the hedge fund environment and the specific workflows mentioned in the job description, such as repo trading and margin management. This will help you connect your technical skills to the business needs and show that you understand the bigger picture.
✨Prepare Questions for Senior Stakeholders
Since you'll be working closely with senior stakeholders like the CTO and COO, come prepared with insightful questions. This shows your interest in the role and helps you gauge how you can contribute to the firm's goals. Think about how you can align your vision with theirs.
