{"id":1535932,"url":"https://alion.io/job/epam-systems-poland-senior-full-stack-developer-pythonfastapi-reacttypescript","title":"Senior Full-stack Developer (Python/FastAPI, React/TypeScript)","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":[],"countries":[],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":95000,"max_usd":221000,"period":"year","method":"global_role_seniority_cell","sample_n":4821},"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":"2026-09-30T18:00:11Z","employer_posted_date":null,"last_verified_at":"2026-09-30T18:00:11Z","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 multi-cloud product and need a Senior Full-stack Developer to deliver Python/FastAPI services and React/TypeScript UI at scale. You will work with PostgreSQL, OpenSearch, and Databricks, improving performance and integrations across the stack. Apply now.\nResponsibilities\nBuild and support web applications using Python/FastAPI and SQL\nDesign APIs and integrations that can handle high-load database operations\nTune and optimize query performance across production environments\nImplement front-end features with TypeScript and React\nLeverage GenAI engineering tools to enhance development workflows\nCoordinate with the team while independently delivering assigned work\nCommunicate early and often with teammates and stakeholders\nOwn product features and contribute beyond simply completing tickets\nOperate effectively in ambiguity and ship results in a fast-paced startup environment\nRequirements\nProven track record with 5+ years of production work using Python, FastAPI, and SQL\nStrong expertise in web application engineering, API design, and third-party integrations\nHands-on experience operating high-load databases and tuning query performance\nWorking knowledge of TypeScript and React with readiness to contribute across front end and back end\nPractical experience with GenAI engineering tools, ideally Claude Code\nExcellent communication skills and a proactive mindset, able to collaborate and self-direct\nDemonstrated ability to execute amid ambiguity without constant guidance in a transparent, fast-moving startup environment\nEnglish proficiency at B2 (Upper-Intermediate) level or higher\nNice to have\nStrong exposure to TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand\nExperience working with PostgreSQL and OpenSearch\nFamiliarity with cloud platforms, Infrastructure as Code, and related tooling\nData engineering background, including 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":3389,"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":"2026-09-30T18:37:51Z"}],"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":38,"reasons":["seen:3","velocity","win:early","comp:brand"],"computed_at":"2026-10-04T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/epam-systems-poland-senior-full-stack-developer-pythonfastapi-reacttypescript","json_url":"https://alion.io/job/epam-systems-poland-senior-full-stack-developer-pythonfastapi-reacttypescript.json","meta":{"generated_at":"2026-10-05T01:58:53Z","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":2621,"day_limit":5000,"remaining_today":2379,"minute_limit":60,"resets_at":"2026-10-06T00:00:00Z"}}}