Python Developer - Experienced Hire

Susquehanna International; Dublin; On-site; EUR 90,000 - 150,000; Full time

Job summary

Susquehanna International Group is looking for a Python software engineer to maintain and enhance our quantitative study environments used by researchers and traders. You will build and optimize Python-based tools that power fast data analysis and robust studies.

You will collaborate with traders, researchers and other engineers to deploy scalable data pipelines and production-ready software, embracing agile practices and a bias for practical, high-performance solutions.

Qualifications

• Degree in Computer Science or a related technical field.
• Experience delivering distributed, server-side software with measurable outcomes.
• Proficient in Python and its scientific stack.
• Experience across the full software development life cycle and agile methodologies.
• Willing to learn new technologies and propose practical solutions.
• Strong communication and collaboration with researchers and engineers.

Responsibilities

• Maintain and enhance a Python-based platform enabling researchers to interact with trading systems.
• Work with traders and researchers to enable fast data analysis and study pipelines.
• Develop data pipelines handling large datasets in production quality environments.
• Contribute to system design and production deployment of software.

Skills

Python

Distributed systems

Server-side development

Agile development

CI/CD pipelines

NoSQL databases

Education

Bachelor's degree in Computer Science

Tools

Linux

Windows

Git

Job description

Overview

At Susquehanna International Group, our technologists play a critical role in shaping the future of electronic trading. We build high-performance systems designed to compete in some of the most demanding and latency-sensitive markets in the world.

Overview

At Susquehanna International Group, our technologists play a critical role in shaping the future of electronic trading. We build high-performance systems designed to compete in some of the most demanding and latency-sensitive markets in the world.
Our Python software engineers are employed in building, maintaining and supporting new and existing quantitative study environments that are fundamental to our success and competitiveness in the current trading environment. We constantly improve the system so it is stable, fast and easy to use for our researchers.

Job Summary

• Part of the Options trading strategy development team
• Responsible for the maintenance and constant improvement of our python-based platform that enables quantitative researchers to interact efficiently with trading systems, empowering powerful and fast data analysis and studies
• Work with Traders, Quantitative Researchers and other Strategy Developers to facilitate new trading behaviours
• Work with large datasets to set up and maintain production-quality data pipelines

What We're Looking For

• Degree in Computer Science or other science or technical field
• Experience of distributed message-based systems and server-side software development with proven product delivery success
• Experience with the Python language and the Python scientific stack
• Full software development life cycle experience and exposure to agile software development
• Willingness to learn new technologies and to propose novel technical solutions
• The ability to self-manage, self-motivate, and seek process improvement opportunities
• Strong interpersonal and communication skills for interacting with quantitative researchers and other engineers
• Attention to detail, self-motivation and ability to react to changing priorities
• Willingness to participate and provide assistance in the deployment and maintenance of our production software

It Would Be Great If You Also Know About

• Key concepts of finance and trading and their requirements as applied to systems development
• Networking and operating systems basics: Linux and Windows
• UI/UX design
• Web services and development frameworks
• Experience in Java, C# or other OOP language
• Experience or interest in statistics
• Experience with source control, CI/CD pipelines and automated testing
• Experience using relational and NoSQL databases

Equal Opportunity Statement

We’re committed to building a diverse and inclusive workplace. We encourage candidates from all backgrounds to apply and are happy to provide reasonable accommodations during the hiring process.

About Susquehanna

Susquehanna is a global quantitative trading firm powered by scientific rigor, curiosity, and innovation. Our culture is intellectually driven and highly collaborative, bringing together researchers, engineers, and traders to design and deploy impactful strategies in our systematic trading environment. To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. By uniting deep market expertise with cutting-edge technology, we excel in solving complex problems and pushing boundaries together.