C# Software Engineer — FinTech Trading Platform

Cleartech Recruiting; New York (NY); On-site; USD 110,000 - 190,000; Full time

Job summary

Cleartech Recruiting's client, a leading financial technology firm, is seeking a Software Engineer with deep C# expertise to join its development team in New York. The role focuses on building a state-of-the-art trading platform used by sophisticated institutional investors.

The candidate should have 2+ years of experience, strong C#/.NET skills, and a proven track record in desktop-based applications. Excellent communication and teamwork are essential.

Qualifications

• Bachelor's or Masters degree with 2+ years of experience.
• Proven results delivering multi-threaded, high performance user interfaces in C#.
• Strong understanding of Core C# .NET technology for both GUI and server-side development.
• Previous experience with desktop-based applications (this is not a web application)
• Knowledge of multi-asset classes (e.g., equities, fixed income bonds), market structure, and trading systems is a big plus
• Experience leveraging .NET memory and performance profiling technology
• Proficient in object-oriented programming and advanced programming languages (especially Java or WPF)
• Experience with unit testing
• Self-starter and stand-out contributor with a real passion for technical excellence
• Excellent communication and interpersonal skills (verbal and written)

Responsibilities

• Scale up capacity and performance of C# software components and end user experiences through Agile development methods.
• Make an impact by evaluating and recommending new technologies and optimal design of next generation features.
• Be a great teammate and effective communicator across teams.
• Handle multiple concurrent projects while adapting quickly to changing priorities.

Skills

C# expert

Multithreaded programming

GUI development

Server-side development

Unit testing

Communication skills

Agile development

Java/WPF

Memory profiling

Education

Bachelor’s or Master’s degree

Tools

Performance profiling tools

Job description

Cleartech Recruiting's client, a leading financial technology firm, is seeking a Software Engineer with deep C# expertise to join its development team in New York. The role focuses on building a state-of-the-art trading platform used by sophisticated institutional investors.

The candidate should have 2+ years of experience, strong C#/.NET skills, and a proven track record in desktop-based applications. Excellent communication and teamwork are essential.