Description

Our client is a leading global proprietary trading firm operating at the intersection of technology, quantitative research, and financial markets. With a strong engineering culture and a long-term outlook on technology investment, they build highly performant, research-driven trading systems that operate at scale across global markets.

They are seeking a Senior Software Engineer (Python) to join a core options trading strategy development team in Dublin. This role sits close to trading and quantitative research, building critical platforms that underpin research, analysis, and live trading.

The Role

As a Senior Software Engineer, you will be responsible for the ongoing development, maintenance, and evolution of a Python-based quantitative research and trading platform. This platform enables researchers and traders to rapidly analyse data, test ideas, and deploy new trading strategies in a production environment.

You will work closely with Traders, Quantitative Researchers, and Strategy Developers, contributing directly to new trading capabilities and improving the performance, stability, and usability of core systems.

Key Responsibilities

• Design, build, and maintain a Python-based platform supporting quantitative research and trading
• Continuously improve system stability, performance, and usability
• Collaborate directly with traders and quantitative researchers to enable new trading behaviours and workflows
• Work with large-scale datasets, building and maintaining production-grade data pipelines
• Develop and support distributed, message-based systems used in live trading environments
• Participate in the deployment, monitoring, and support of production systems
• Contribute ideas and technical solutions to improve processes, tooling, and architecture

Required Background

• Degree in Computer Science, Engineering, or a related technical/scientific discipline
• 5+ years of professional Python development experience
• Strong experience with the Python scientific ecosystem (e.g. NumPy, pandas, SciPy)
• Experience building server-side software and distributed, message-based systems
• Exposure to web services and Python development frameworks
• Experience across the full software development lifecycle
• Familiarity with agile development practices

What They're Looking For

• A pragmatic engineer who enjoys working close to the business and seeing real-world impact
• Someone comfortable owning systems and driving continuous improvement
• Strong communication skills and the ability to work effectively with non-engineering stakeholders
• High attention to detail and the ability to adapt to changing priorities
• A willingness to learn new technologies and propose innovative technical solutions
• Self-motivated, accountable, and comfortable working in a fast-paced trading environment

Why Join?

• Work directly on systems that influence real-time trading decisions
• Collaborate with top-tier traders and quantitative researchers
• Operate in a meritocratic, low-bureaucracy engineering culture
• Tackle complex technical and data challenges at scale
• Long-term, stable environment with significant investment in technology

Apply Now!