Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Join an elite team to build and optimise market data systems for trading platforms.
- Company: A global investment firm known for its tech-driven approach and high-impact teams.
- Benefits: Enjoy 25 days holiday, private medical, free meals, and extensive learning opportunities.
- Why this job: Shape the future of market data while collaborating with traders and quants in a modern tech environment.
- Qualifications: 5+ years in C# or Java, with strong market data infrastructure knowledge and excellent communication skills.
- Other info: Direct access to front-office stakeholders and a fast-paced, performance-led culture.
The predicted salary is between 48000 - 72000 £ per year.
Overview
Company | Global Investment Firm
Position | Senior C# Developer
Impact | Market Data Ingestion, Analytics, and Distribution
Size | Elite trading and tech teams across global markets
Skills | C#, Market Data, High-Performance Systems, Real-Time Infrastructure
Location | London (On-site)
Hybrid | On-site working (City-based HQ)
Offer | Highly competitive base + Bonus (Annual Review)
Benefits | 25 Days Holiday, Private Medical, Free Meals, Extensive Learning & Development
The Role
A global investment firm is seeking aSenior C# Developer to join theirMarket Data Technology function—an elite team responsible for building and maintaining the infrastructure that powers their globalfixed income, FX, equity, and derivatives trading platforms.
You’ll work acrossreal-time and historical data systems , with an emphasis onperformance, resilience, and low-latency architecture . The role offers direct exposure to trading desks and quantitative teams, with the opportunity to shape the future of their market data stack.
What You’ll Be Working On
- Building and optimisingreal-time and historical data pipelines across cloud and on-prem environments
- Engineering data ingestion, validation, storage, and distribution platforms
- Partnering with traders, risk, and quant teams to deliver performance-critical solutions
- Leading architecture and contributing to system scalability under peak load conditions
- Mentoring junior engineers and supporting broader technology roadmaps
What Makes You a Great Fit
- 5+ years of experience inC# or Java , ideally within high-performance environments
- Deep understanding ofmarket data infrastructure (feeds, storage, transformation, analytics)
- Strong knowledge ofSQL Server and other database technologies (e.g. Redis)
- Familiarity withDevOps/Cloud tooling – Git, Docker, Kubernetes, CI/CD, AWS
- Excellent communication and collaboration skills across technical and trading teams
Bonus Points For
- Experience withrates, FX, bonds, equities, or derivatives
- Messaging systems such asRabbitMQ or similar
- Exposure totime-series models, quant libraries, or risk analytics
Why This Firm?
Global investment firm withdeep tech investment and small, high-impact teams
Direct access to front-office stakeholders—real feedback, fast decisions
Modern, performance-led tech environment solving hard data challenges
Free onsite meals (breakfast, lunch, and dinner) and a host of benefits
Excellent training and exposure not typically offered in larger corporates
Interview Process |
Initial Screening → Technical Interview → Team Round → Final Interview with Leadership
Interested?
We’re happy to share more detail about the environment, team structure, and growth path.
Referrals are welcome, and all conversations are handled in strict confidence.
#J-18808-Ljbffr
C# Market Data Developer employer: Oceanredpartners
Contact Detail:
Oceanredpartners Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land C# Market Data Developer
✨Tip Number 1
Familiarise yourself with the latest trends in market data technology. Understanding how real-time data systems work and being able to discuss recent advancements will show your passion and knowledge during interviews.
✨Tip Number 2
Network with professionals in the finance and tech sectors, especially those who work with C# and market data. Attend industry meetups or webinars to make connections that could lead to referrals or insider information about the role.
✨Tip Number 3
Brush up on your SQL Server and database management skills. Be prepared to discuss your experience with data storage and transformation, as this is crucial for the role and will likely come up in technical discussions.
✨Tip Number 4
Prepare to demonstrate your problem-solving skills through practical examples. Think of scenarios where you optimised performance or handled high-load conditions, as these experiences will resonate well with the interviewers.
We think you need these skills to ace C# Market Data Developer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with C# and any relevant high-performance systems. Emphasise your familiarity with market data infrastructure and any specific technologies mentioned in the job description.
Craft a Compelling Cover Letter: In your cover letter, explain why you are passionate about market data technology and how your skills align with the role. Mention your experience with real-time data systems and your ability to work collaboratively with trading teams.
Showcase Relevant Projects: If you have worked on projects involving data ingestion, validation, or distribution platforms, be sure to include these in your application. Highlight any experience with cloud environments and DevOps tools like Docker or Kubernetes.
Prepare for Technical Questions: Anticipate technical questions related to C#, SQL Server, and market data infrastructure during the interview process. Brush up on your knowledge of messaging systems and time-series models to demonstrate your expertise.
How to prepare for a job interview at Oceanredpartners
✨Showcase Your C# Expertise
Make sure to highlight your experience with C# during the interview. Be prepared to discuss specific projects where you've implemented high-performance systems, as this will demonstrate your capability in a relevant context.
✨Understand Market Data Infrastructure
Familiarise yourself with market data infrastructure concepts, including feeds, storage, and analytics. Being able to discuss these topics intelligently will show that you understand the core of what the role entails.
✨Demonstrate Problem-Solving Skills
Prepare to discuss how you've tackled performance-critical challenges in past roles. Use examples that illustrate your ability to work under pressure and deliver scalable solutions, especially in real-time environments.
✨Communicate Effectively
Since the role involves collaboration with traders and quant teams, practice articulating complex technical concepts in a way that non-technical stakeholders can understand. Good communication skills are essential for success in this position.
