{"id":2704829,"url":"https://alion.io/job/susquehanna-international-group-python-developer-experienced-hire","title":"Python Developer - Experienced Hire","company":{"id":4917,"name":"Susquehanna International Group","domain":"sig.com","url":"https://alion.io/company/sig","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Dublin, Ireland"],"countries":["IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":89000,"max_usd":200000,"period":"year","method":"role_country_seniority_unknown","sample_n":84},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Java","optional":false},{"name":"Machine Learning","optional":false},{"name":"Python","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-16T12:16:16Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-10-16T20:53:36Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Overview\nAt 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.\nOur 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.\nJob Summary\nPart of the Options trading strategy development team\nResponsible 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\nWork with Traders, Quantitative Researchers and other Strategy Developers to facilitate new trading behaviours\nWork with large datasets to set up and maintain production-quality data pipelines\nWhat we’re looking for\nDegree in Computer Science or other science or technical field\nExperience of distributed message-based systems and server-side software development with proven product delivery success\nExperience with the Python language and the Python scientific stack\nFull software development life cycle experience and exposure to agile software development\nWillingness to learn new technologies and to propose novel technical solutions\nThe ability to self-manage, self-motivate, and seek process improvement opportunities\nStrong interpersonal and communication skills for interacting with quantitative researchers and other engineers\nAttention to detail, self-motivation and ability to react to changing priorities\nWillingness to participate and provide assistance in the deployment and maintenance of our production software\nIt would be great if you also know about\nKey concepts of finance and trading and their requirements as applied to systems development\nNetworking and operating systems basics: Linux and Windows\nUI/UX design\nWeb services and development frameworks\nExperience in Java, C# or other OOP language\nExperience or interest in statistics\nExperience with source control, CI/CD pipelines and automated testing\nExperience using relational and NoSQL databases\nEqual Opportunity Statement\nWe’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. \nIf you're a recruiting agency and want to partner with us, please reach out to . 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