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Millennium Management Logo

Software Engineer - C#

Millennium Management

$175,000 - $250,000
Dec 18, 2025
New York, NY, US
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Millennium is looking to solve the problem of optimizing treasury operations and financing using modern .NET and Angular technologies.

Requirements

  • 5+ years hands-on experience with C-Sharp .NET and .NET Core
  • Strong proficiency in Angular for modern web application development
  • Expert knowledge of microservices architecture and distributed systems
  • Solid experience with SQL Server and PostgreSQL database design
  • Deep understanding of SOLID principles, Clean Code theory, and design patterns
  • Experience with mathematical optimization or quantitative finance
  • AWS experience (beneficial but not required - we provide training)

Responsibilities

  • Design and develop advanced financing optimization platforms using C-Sharp .NET Core and Angular
  • Build robust microservices architectures for treasury optimization workflows
  • Implement sophisticated optimization algorithms for financing, margin optimization, and risk management
  • Develop RESTful APIs following Clean Code principles and SOLID design patterns
  • Design scalable, resilient systems with appropriate architectural patterns and performance considerations
  • Make informed trade-offs between performance, maintainability, and cost
  • Design for change and evolution using microservices and event-driven architectures

Other

  • Bachelor's degree in Computer Science, Engineering, or related field
  • Exceptional learning agility and openness to new technologies
  • Strong system design skills - can break complex problems into clean boundaries
  • Product & user understanding - translate business requirements into technical specifications
  • Code quality judgment - rapid identification of code smells, security vulnerabilities, and performance bottlenecks