{"id":1957017,"url":"https://alion.io/job/epam-systems-poland-senior-full-stack-developer-postgresql-opensearch-databricks-2","title":"Senior Full-stack Developer (PostgreSQL, OpenSearch, Databricks)","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":"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":["Katowice, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":59000,"max_usd":95000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":213},"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":"2026-10-06T13:05:09Z","employer_posted_date":null,"last_verified_at":"2026-10-06T13:05:09Z","board_verified":false,"closed_at":null,"days_open":4,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":4},"description":"We are building a new product across multiple clouds and are hiring a Senior Full-stack Developer to ship Python/FastAPI backend and React/TypeScript front-end features. You will work with PostgreSQL, OpenSearch, and Databricks while improving integrations and performance. Apply now.\nResponsibilities\nImplement and maintain web applications with Python/FastAPI and SQL\nCreate APIs and integrations that support high-load database operations\nAnalyze and optimize query performance across production systems\nBuild front-end components using TypeScript and React\nAdopt GenAI engineering tools to improve development workflows\nCollaborate with the team while progressing autonomously on your assignments\nCommunicate proactively with team members and stakeholders\nOwn product features and drive impact beyond ticket completion\nDeliver results while navigating ambiguity in a fast-paced startup environment\nRequirements\nProven 5+ years of production experience with Python, FastAPI, and SQL\nComprehensive expertise in web apps, API design, and integration development\nStrong capability in high-load database handling and query performance optimization\nExperience with TypeScript and React, plus willingness to work full-stack\nHands-on exposure to GenAI engineering tools, ideally Claude Code\nEffective communication skills and proactive execution, able to operate independently and as part of a team\nAbility to deal with ambiguity and deliver without constant direction in a transparent, fast-moving startup environment\nEnglish proficiency at B2 (Upper-Intermediate) level or higher\nNice to have\nSolid experience with TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand\nExperience with PostgreSQL and OpenSearch\nFamiliarity with cloud platforms, Infrastructure as Code, and related tools\nBackground in data engineering with 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":3335,"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":"2026-10-06T13:30:17Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":3,"expected_fill_days":12,"reasons":["seen:3","velocity","win:early","comp:brand"],"computed_at":"2026-10-10T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/epam-systems-poland-senior-full-stack-developer-postgresql-opensearch-databricks-2","json_url":"https://alion.io/job/epam-systems-poland-senior-full-stack-developer-postgresql-opensearch-databricks-2.json","meta":{"generated_at":"2026-10-11T04:44:28Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":3789,"day_limit":5000,"remaining_today":1211,"minute_limit":60,"resets_at":"2026-10-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":2612641},"rest":"https://alion.io/mcp/rest/get_company?id=2612641"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fepam-systems-poland-senior-full-stack-developer-postgresql-opensearch-databricks-2"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fepam-systems-poland-senior-full-stack-developer-postgresql-opensearch-databricks-2"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fepam-systems-poland-senior-full-stack-developer-postgresql-opensearch-databricks-2"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/epam-systems-poland-senior-full-stack-developer-postgresql-opensearch-databricks-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fepam-systems-poland-senior-full-stack-developer-postgresql-opensearch-databricks-2"}]}