Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Lead the transformation of core systems and develop critical platforms in a fast-paced environment.
- Company: Renowned investment manager focused on data-driven decision making and technology excellence.
- Benefits: Competitive salary, collaborative culture, and opportunity to shape future technology direction.
- Why this job: Own a mission-critical transformation and make a real impact in a high-performing team.
- Qualifications: Strong C# and .NET skills, experience in trading systems, and leadership capabilities.
- Other info: Dynamic role with excellent career growth and a focus on technical excellence.
The predicted salary is between 72000 - 108000 ÂŁ 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.
We have partnered with this team for several years and have a close, direct working relationship with the CTO. We have successfully placed multiple individuals into the group and can provide detailed insight into the team structure, culture, and expectations.
The Role
The client is embarking on a major initiative to unify and expand their core systems, bringing more of this capability in‑house. 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. This is a hands‑on leadership role. 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.
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
- Strong computer science fundamentals
- Hands‑on development experience in:
- C# and .NET (essential for this role)
- Python within quant or data environments
- Experience working in front‑office or trading‑technology environments, or on business‑critical systems
- Ability to lead by doing—hands‑on while guiding a team
- 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
Why Apply
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. 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.
Senior C# Developer - Head of Core Platforms | Hedge Fund | London employer: Undisclosed
Contact Detail:
Undisclosed Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior C# Developer - Head of Core Platforms | Hedge Fund | London
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, especially those who might know someone at the hedge fund. A personal introduction can make all the difference in getting your foot in the door.
✨Tip Number 2
Show off your skills! Prepare a portfolio or a GitHub repository showcasing your C# projects and any relevant work. This gives potential employers a taste of what you can bring to the table.
✨Tip Number 3
Ace the interview by doing your homework! Research the company’s tech stack and be ready to discuss how your experience aligns with their needs. Bring up specific examples from your past roles that demonstrate your expertise.
✨Tip Number 4
Don’t forget to apply through our website! We’ve got a direct line to the hiring team, and applying through us can give you an edge. Plus, we’re here to support you every step of the way!
We think you need these skills to ace Senior C# Developer - Head of Core Platforms | Hedge Fund | London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the role of Senior C# Developer. Highlight your experience with fixed-income trading systems and any relevant technical skills, especially in C# and .NET. We want to see how your background aligns with the job description!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're the perfect fit for this hands-on leadership role. Share specific examples of your past achievements and how they relate to the responsibilities outlined in the job description. We love a good story!
Showcase Your Technical Skills: Don’t forget to highlight your technical expertise! Mention your experience with low-latency systems, UI technologies, and any other relevant programming languages. We’re looking for candidates who can demonstrate their hands-on development experience and commitment to high-quality engineering practices.
Apply Through Our Website: We encourage you to apply through our website for a smoother application process. This way, we can ensure your application gets the attention it deserves. Plus, it’s a great way to stay updated on your application status!
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 fixed-income trading systems and how you've tackled challenges in low-latency environments.
✨Showcase Your Leadership Style
Since this is a hands-on leadership role, be ready to share examples of how you've guided teams in the past. Highlight your ability to lead by doing, and discuss how you foster collaboration and high-quality engineering practices within your team.
✨Understand the Business Context
Familiarise yourself with the client's focus on data-driven decision making and their core platforms. Be prepared to discuss how your technical expertise aligns with their business needs, especially in areas like post-trade operations and margin management.
✨Ask Insightful Questions
Prepare thoughtful questions that demonstrate your understanding of the role and the company's goals. Inquire about their current technology stack, future projects, and how they measure success in their core platform transformation.
