{"id":3959747,"url":"https://alion.io/job/epam-systems-senior-python-engineer-5","title":"Senior Python Engineer","company":{"id":92,"name":"EPAM Systems","domain":"epam.com","url":"https://alion.io/company/epam-systems","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"HeadHunter","truth_index":{"grade":"D","score":47,"open_postings":61,"ghost_share":0.852,"stale_share":0,"repost_share":0.148,"time_to_fill_p50_days":31,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Zurich, Switzerland"],"countries":["CH"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Jira","optional":false},{"name":"Linux","optional":false},{"name":"Pandas","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":".NET","optional":true},{"name":"Azure","optional":true},{"name":"Bash","optional":true},{"name":"C#","optional":true},{"name":"Java","optional":true},{"name":"Outlook","optional":true}],"status":"live","first_seen_at":"2026-11-09T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-11-09T00:00:00Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Every trading application faces the challenge of staying reliable under real-time demands and constant change. The Senior Python Engineer role in Zurich is part of a managed application services project covering production operations and change delivery across six application domains. The IT Commando team works where technical excellence and hands-on support meet, designing and supporting mission-critical trading applications. You decide how production issues are resolved and recurring tasks are automated, shaping the way business users interact with their tools. The person in this role makes it possible for trading operations to keep moving without interruption.\nResponsibilities\nDesign, develop and maintain applications that meet business requirements\nSupport existing applications in production and proactively propose solutions to streamline and improve them\nAdvise and support business users who develop their own tools, sharing expertise and promoting engineering best practices\nProvide 1st/2nd-level support for business-critical applications; take the harder cases and escalate with full context\nAnalyse data and issues with Python (Pandas) and SQL\nDesign scripts and small tools for checks, data handling and automation\nPerform Linux and AWS operations; contribute to CI/CD\nRecord work in Jira and keep runbooks current\nGuide the less experienced Commando and take on additional applications and support scope as the managed service ramps up\nRequirements\nMaster's degree in Computer Science or equivalent\nStrong Python (5+ yrs) with 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