Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Design and develop high-performance systems using modern C# .Net for a greenfield project.
- Company: Leading investment banking team with a focus on innovation and collaboration.
- Benefits: Competitive daily rate, flexible work arrangements, and the chance to shape best practices.
- Why this job: Join a groundbreaking project and make a real impact in the fast-paced trading environment.
- Qualifications: Expertise in C# and experience with FX Options trading systems required.
- Other info: Opportunity for career growth and direct collaboration with traders.
The predicted salary is between 60000 - 84000 £ per year.
A leading investment banking team is embarking on a greenfield build of a high-performance pre-trade application and is seeking a Senior C# Developer with strong experience in Options (ideally FX Options) to join them at the inception of the project. This is a rare opportunity to influence best practices from the ground up, working directly with the FX Options trading desk to design and build a system that handles large volumes of market data in near real-time.
Key Responsibilities:
- Design and develop scalable, high-performance systems using modern C# .Net (version 9)
- Build and integrate APIs and microservices to support trading workflows
- Collaborate closely with FX Options traders to understand business requirements and deliver tailored solutions
- Contribute to architectural decisions and establish development standards for a greenfield application
- Participate in the migration of legacy monolithic systems to microservices
- (Optional) Support front-end development using ReactJS across related applications
Required Experience:
- Expert-level proficiency in C# with a strong grasp of recent language features and .NET ecosystem
- Proven experience working with FX Options trading systems or directly with Options traders
- Solid understanding of systems integration, API design, and microservices architecture
- Experience handling large-scale market data in low-latency or real-time environments
- Hands-on experience converting monolithic applications into microservices
Desirable:
- Exposure to ReactJS or willingness to contribute to front-end development when needed
This role offers the chance to work on a high-impact, greenfield build in a fast-paced trading environment, with direct access to the business and the autonomy to shape technical direction.
.Net Developer employer: Caspian One
Contact Detail:
Caspian One Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land .Net Developer
✨Tip Number 1
Network like a pro! Reach out to your connections in the investment banking sector, especially those who work with FX Options. A friendly chat can lead to insider info about job openings or even a referral.
✨Tip Number 2
Show off your skills! If you’ve got a portfolio of projects or contributions to open-source, make sure to highlight them. This is your chance to demonstrate your expertise in C# and .NET, especially in high-performance systems.
✨Tip Number 3
Prepare for the interview by brushing up on your knowledge of FX Options trading systems. Be ready to discuss how you can contribute to the greenfield project and share your ideas on best practices in system design.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive and engaged with our platform.
We think you need these skills to ace .Net Developer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with C# and FX Options. We want to see how your skills align with the role, so don’t be shy about showcasing relevant projects or achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re excited about this greenfield project and how your background makes you the perfect fit. We love seeing genuine enthusiasm!
Showcase Your Problem-Solving Skills: In your application, mention specific challenges you've faced in previous roles and how you tackled them. We’re looking for someone who can think on their feet and adapt to a fast-paced environment.
Apply Through Our Website: Don’t forget to submit your application through our website! It’s the best way for us to keep track of your application and ensure it gets the attention it deserves.
How to prepare for a job interview at Caspian One
✨Know Your C# Inside Out
Make sure you brush up on your C# skills, especially the latest features in .NET 9. Be ready to discuss how you've used these in past projects, particularly in high-performance systems or trading applications.
✨Understand FX Options Like a Pro
Familiarise yourself with FX Options trading and the specific challenges traders face. This will help you demonstrate your ability to collaborate effectively with the trading desk and tailor solutions to their needs.
✨Showcase Your Microservices Experience
Prepare examples of how you've successfully migrated monolithic systems to microservices. Highlight any experience with API design and systems integration, as this is crucial for the role.
✨Be Ready to Discuss Architectural Decisions
Think about architectural choices you've made in previous projects. Be prepared to explain your thought process and how you can contribute to establishing development standards for this greenfield application.