Neovest - C# Developer

C# / .NET Developer (Capital Markets / Trading Systems)

Location:

Chicago, IL (Onsite – 5 days/week)

Employment Type:

Contract-to-Hire

Duration: 6 months (conversion to full-time potential)

Experience Level: Mid-Level

A leading trading technology environment is seeking a C# / .NET Developer to join a high‑impact team focused on building and enhancing an advanced execution and portfolio management platform. This role supports systems used across the investment lifecycle, from portfolio construction and valuation to trade execution and analytics.

You will be part of a team that works with real‑time data, complex financial models, and high‑performance systems designed to operate at scale within capital markets.

• Develop backend applications using C#/.NET supporting trading and portfolio management systems
• Build and optimize high-throughput, scalable systems handling real‑time data
• Design and implement multi-threaded applications to support complex calculations and processing
• Work with SQL Server to manage, query, and optimize large datasets
• Integrate data from external providers (e.g., market data vendors) into internal systems
• Support data pipelines by ingesting, transforming, and distributing data across platforms
• Contribute to system performance tuning, scalability, and stability
• Participate in Agile development, including testing, CI/CD, and production support

• Core stack: C#, .NET Framework (moving toward .NET Core), SQL Server
• Real‑time, event‑driven systems (no batch processing)
• Cloud migration environment (toward GCP)
• Exposure to HTML/React components
• Working within a modernizing architecture (moving away from legacy service‑oriented models)

• 5+ years of software development experience
• Strong expertise in C#, .NET, and SQL
• Proven experience building multi-threaded, high‑performance applications
• Experience handling large‑scale data systems and real‑time processing
• Knowledge of application scalability and system performance optimization
• Experience integrating with external systems via REST, SOAP, FIX, or secure file transfer
• Solid understanding of capital markets and financial instruments, including equities, fixed income, derivatives (swaps, options), FX, etc.

• Experience with Execution Management Systems (EMS) or Order Management Systems (OMS)
• Experience in portfolio management or valuation systems
• Exposure to containerization and Kubernetes environments
• Familiarity with messaging systems (Kafka, Rabbit
  
  MQ) and caching technologies (Redis, Hazelcast)
• Understanding of modern UI frameworks
• Degree in Engineering, Computer Science, Mathematics, or related field

The pay range for this position is $80.00 – $100.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre‑tax and Roth post‑tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long‑term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

This position is anticipated to close on May 31, 2026.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.