Python Trading Engineer: Backtesting & Real-Time Analytics

Susquehanna International Group, LLP; Bala Cynwyd (PA); On-site; USD 140,000 - 240,000; Full time

Job summary

Susquehanna International Group, LLP is seeking a Front Office Python Engineer for trading applications in Bala Cynwyd, PA. You will build trader-facing Python tools for data analysis, visualization, and informed decision-making across trading and development desks.

You will work on backtesting, analytics, and real-time trading workflows, partnering with traders, quants, and technologists to turn data into actionable insights and scalable tooling.

Qualifications

• 3+ years of professional Python application or data system experience.
• Strong Python skills with Pandas, NumPy, and data processing libraries.
• Experience building data pipelines and working with APIs and real-time data feeds.
• Familiarity with data visualization tools and event-driven architectures.

Responsibilities

• 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 ad-hoc tools and systematic data solutions.
• Improve trading workflows and optimize performance.
• Design and maintain data pipelines and datasets supporting research and trading.

Skills

Python programming

Data analysis

Backend development

Data pipelines

AI tooling

Real-time systems

Tools

Pandas

NumPy

Flask

FastAPI

SQL

Job description

Susquehanna International Group, LLP is seeking a Front Office Python Engineer for trading applications in Bala Cynwyd, PA. You will build trader-facing Python tools for data analysis, visualization, and informed decision-making across trading and development desks.

You will work on backtesting, analytics, and real-time trading workflows, partnering with traders, quants, and technologists to turn data into actionable insights and scalable tooling.