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# C# .NET Developer - Trading Operations Technology

- **Company:** Liberty Personnel Services, Inc.
- **Location:** Philadelphia, PA, United States (Remote available)
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), .NET Framework, C Sharp (Programming Language), Standard Sql, SQL Databases, Data Processing
- **Published:** October 15, 2026
- **Apply:** http://www.libertyjobs.com/findjobs-details.php?j_id=90098

## About the Role

3+ years of professional C#/.NET development (Java background considered)

 - Solid SQL skills

 - Highly preferred: banking, hedge fund or quantitative trading experience

 - Clear communicator who enjoys working with business users

Work model: On-site 5 days/week (Philadelphia Main Line suburb), with an annual WFH day bank.

Type: Full-time, direct hire. Salary: open, plus bonus.

## Description

Write code that the operations and finance teams at a leading proprietary trading firm use every day. This is a business-embedded seat: you talk with your users daily, ship quickly, and see the impact. Jr-mid to mid-level engineers are welcome.

What you'll do

 - Build and enhance applications that support trading operations workflows

 - Work directly with operations and finance counterparts to turn needs into working software

 - Develop SQL-backed services, data processing and reporting

 - Support and improve production systems