Senior Software Engineer (Python) | Trading Technology
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!
Dublin, County Dublin, Ireland
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Job Details
Seniority level: Mid‑Senior level
Employment type: Full‑time
Job function: Finance
Industries: Capital Markets, Financial Services, and Investment Management
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