{"id":1302686,"url":"https://alion.io/job/epam-poland-senior-full-stack-developer-pythonfastapi-react-sql","title":"Senior Full-stack Developer, Python/FastAPI, React & SQL","company":{"id":2612641,"name":"EPAM Systems Poland","domain":"epam-poland.pl","url":"https://alion.io/company/epam-poland","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Data Science","role_family":"Data Science","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":{"min_usd":65000,"max_usd":97000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":60},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Claude","optional":false},{"name":"Claude Code","optional":false},{"name":"Databricks","optional":false},{"name":"FastAPI","optional":false},{"name":"OpenSearch","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"Agile","optional":true},{"name":"Anthropic","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"GCP","optional":true},{"name":"JavaScript","optional":true},{"name":"Next.js","optional":true},{"name":"Platform Engineering","optional":true},{"name":"Playwright","optional":true},{"name":"pySpark","optional":true},{"name":"Radix UI","optional":true},{"name":"Spark","optional":true},{"name":"Storybook","optional":true},{"name":"Zustand","optional":true}],"status":"live","first_seen_at":"2026-09-26T12:00:17Z","employer_posted_date":null,"last_verified_at":"2026-09-26T12:00:17Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"We are launching a new multi-cloud product and need a Senior Full-stack Developer to own full-stack delivery from Python/FastAPI APIs to React/TypeScript UI. You will optimize PostgreSQL and OpenSearch performance and collaborate in a Databricks-heavy environment. Apply today.\nResponsibilities\nDevelop and enhance web applications using Python/FastAPI and SQL\nDefine and implement APIs and integrations that support high-load database operations\nOptimize and troubleshoot query performance in production systems\nDeliver front-end work using TypeScript and React\nIncorporate GenAI engineering tools to improve development workflows\nWork collaboratively while independently owning assigned tasks\nMaintain proactive communication with stakeholders and teammates\nOwn features end to end and contribute beyond ticket completion\nExecute effectively through ambiguity in a fast-paced startup environment\nRequirements\nDemonstrated 5+ years of production delivery with Python, FastAPI, and SQL\nAdvanced knowledge of web application development, API design, and integration work\nHands-on ability to operate high-load databases and optimize query performance\nFamiliarity with TypeScript and React and willingness to work across the full stack\nPractical experience with GenAI engineering tools, ideally Claude Code\nStrong communication abilities and proactive ownership, comfortable working solo and with a team\nTrack record of navigating ambiguity and shipping without constant direction in a transparent, fast-moving startup environment\nEnglish proficiency at B2 (Upper-Intermediate) level or higher\nNice to have\nExperience with TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand\nExperience working with PostgreSQL and OpenSearch\nKnowledge of cloud platforms, Infrastructure as Code, and related tools\nData engineering experience using PySpark and SparkSQL\nClient-facing experience\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. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.","description_format":"text","description_chars":3344,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":["Growth opportunities","Health insurance"],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-26T12:13:32Z"}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":38,"reasons":["seen:0","win:early","comp:brand"],"computed_at":"2026-09-27T01:35:32Z"},"pay":null,"html_url":"https://alion.io/job/epam-poland-senior-full-stack-developer-pythonfastapi-react-sql","json_url":"https://alion.io/job/epam-poland-senior-full-stack-developer-pythonfastapi-react-sql.json","meta":{"generated_at":"2026-09-27T01:35:32Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1450,"day_limit":5000,"remaining_today":3550,"minute_limit":60,"resets_at":"2026-09-28T00:00:00Z"}}}