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# Software Engineer| Tactical Python Developer | Experienced Hire

- **Company:** Susquehanna International Group, LLP
- **Location:** Bala Cynwyd, PA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Data Analysis, Software Quality, Databases, Information Engineering, Data Files, Data Systems, Data Visualization, Python (Programming Language), NumPy, Performance Tuning, Software Engineering, SQL Databases, Data Processing, Scripting, Real Time Systems, Flask (Web Framework), Backend, Fastapi, Pandas, Event Driven Architecture, Real Time Data, Data Management, Data Pipelines
- **Published:** November 8, 2026
- **Apply:** https://www.careerbuilder.com/job-details/software-engineer-tactical-python-developer-experienced-hire-pa--c87f161a-6fb1-473e-b0dd-a0379c795287

## About the Role

Software Engineering, Python Programming/Scripting Language, Quantitative Analysis, Data Analysis, Python Programming/Scripting Language, Performance Tuning/Optimization, Data Sets, Data Management, Data Processing, Flask, * 3+ years of professional experience building Python applications or data systems

 * Strong Python skills, including experience with:
*

 + Pandas, NumPy, and data processing libraries
 + Backend frameworks (Flask, FastAPI, or similar)
 * Experience working with:
*

 + Data pipelines and structured/unstructured datasets
 + APIs and real-time data feeds
 + SQL and database systems
 + AI tools to improve code quality, performance, and developer productivity
 * Familiarity with:
*

 + Data visualization tools
 + Exposure to real-time systems or event-driven architecture

## Description

We are hiring Python Engineers to build and evolve trader-facing applications that power data analysis, visualization, and decision-making across trading and development desks.

This role combines data engineering, application development, and quantitative tooling, with a focus on delivering systems used in backtesting, analytics, and real-time trading workflows. You will work closely with traders, quantitative analysts, and technologists to turn data into actionable insights and scalable tools.

What you'll work on:

 * Research, design, and develop systems used in backtesting and data analysis
 * Build Python-based applications and tools that deliver tactical analytics for trading decisions

 * Strategy monitoring and diagnostics
 * Develop both ad-hoc tools and systematic data solutions
 * Improve trading workflows and optimize performance

 * Design and maintain data pipelines and datasets supporting research and trading
 * Continuously refine systems based on desk feedback and evolving trading strategies