{"id":3983049,"url":"https://alion.io/job/epam-systems-poland-senior-python-developer-fintech","title":"Senior Python Developer (Fintech)","company":{"id":2612641,"name":"EPAM Systems Poland","domain":"epam-poland.pl","url":"https://alion.io/company/epam-poland","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"Pandas","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"Anthropic","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"GCP","optional":true},{"name":"Linux","optional":true},{"name":"Platform Engineering","optional":true},{"name":"Windows","optional":true}],"status":"live","first_seen_at":"2026-11-09T18:05:46Z","employer_posted_date":null,"last_verified_at":"2026-11-09T18:05:46Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"We are hiring a Senior Python Developer (Fintech) to join us, with a strong technical background in application development and deployment pipelines, focusing on large-scale systems and trading databases.\nWorking hours run until 8–9 PM.\nResponsibilities\nDevelop data processing workflows using Python and manage virtual environments\nWrite and optimize SQL queries for trading databases\nCollaborate via Git, including branching, creating Pull Requests, and conducting code reviews\nParticipate in CI/CD pipeline operations, including building, testing, deploying, and rolling back changes when needed\nAnalyze large, complex datasets such as loan-level tapes and model outputs\nReconcile results from different sources and investigate underlying discrepancies\nExplain and document differences found during data reconciliation processes\nRequirements\n5+ years of experience as a Python Developer\nProficiency in Python, Pandas, and NumPy\nFlexibility to use conda, poetry, and uv for packaging and virtual environment management\nSkills in writing and optimizing SQL queries\nBackground in analyzing large, messy datasets such as loan-level tapes and model outputs\nCapability to reconcile two results and explain the difference\nExperience with Git, including branching, Pull Requests, and code reviews\nProficiency in English at a B2+ level\nNice to have\nKnowledge of SQL Server/T-SQL\nFamiliarity with Linux command line, SSH, and mixed Windows/Linux file shares (SMB/NFS)\nUnderstanding of CI/CD pipeline functions, including building, testing, deploying, and rolling back changes\nBackground in fixed income basics: price/yield, duration and convexity, spreads (OAS, Z spread), coupon vs yield, and accrued interest\nWe offer\nWe gather like-minded people:\nTop tech minds driving innovation in AI, cloud and digital platform modernization\nSupportive team and agile, startup-like culture\nHybrid by design mode and opportunity to work remotely within Poland\nChance to work abroad for up to 60 days annually\nBusiness-driven relocation opportunities\n\nWe provide growth opportunities:\nCareer development programs\nThought leadership, mentoring, soft skills and well-being programs\nCertification (Anthropic, Gemini, GCP, Azure, AWS)\nEnglish classes\n\nWe cover it all:\nStable pay\nParticipation in the Employee Stock Purchase Plan with a 15% discount\nBenefits package (health insurance, multisport, shopping vouchers)\nReferral bonuses up to $2,000\nOffices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more\nCorporate, social and well-being events\n\nPlease, note:\nBenefits listed above are available to employees only\nWe are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually\nWe will reach out to selected candidates exclusively\n\nEPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. 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