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# Software Engineer - Trader Order Management Tools (C# or Java)

- **Company:** Liberty Personnel Services, Inc.
- **Location:** Philadelphia, PA, United States (Remote available)
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), C Sharp (Programming Language), C++ (Programming Language), Python (Programming Language), SQL Databases, Backend
- **Published:** October 15, 2026
- **Apply:** http://www.libertyjobs.com/findjobs-details.php?j_id=90101

## About the Role

3+ years of professional development in C# or Java (more experience welcome)

 - Full-stack experience: UI and back-end services

 - Nice to have: C++, SQL, Python

 - Plus: equities, futures, crypto or trading-desk experience

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

Build the order-management and manual trading tools that traders use live across equities, futures and crypto at a leading proprietary trading firm. It's fast-paced and close to the desk, and ambition and how quickly you ramp up matter as much as your resume.

What you'll do

 - Build full-stack (UI + back-end) order-management and manual trading applications

 - Help traders visualize and act on real-time market data

 - Work closely with front-office trading groups on rapid iterations

 - Support and improve production trading tools