{"id":3268163,"url":"https://alion.io/job/flix-senior-fullstack-software-engineer-pythonjava-service-agreement","title":"Senior Fullstack Software Engineer (Python/Java) - Service Agreement","company":{"id":1788217,"name":"Flix","domain":"flix.com","url":"https://alion.io/company/flix-com","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":83,"open_postings":19,"ghost_share":0,"stale_share":0.895,"repost_share":0,"time_to_fill_p50_days":21,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":135,"max":170,"currency":"PLN","period":"hour","gross":null,"usd_annual":86000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-10-26T06:40:49Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-11-01T11:40:39Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Rate: 135 - 170 PLN/hour (B2B)\nWe are looking for an experienced Software Engineerto join Flix on a freelance/service agreement basis (B2B contract). This is a contractor engagement for a seasoned professional with a full-stackmindset. \nScope of Services\nDeveloping Flix’s contact center applications, with a focus on scalable agent-facing interfaces and automation.The role will involve extensive discovery to identifythe most efficient and effective workflows. \nOur tech stack\nAbout the Engagement\nDeliver solutions for a defined portfolio of products, contributing to business objectives. \nDesign and develop user-focused solutions tailored to product requirements and user needs. \nApply Agile methodologies to organize and execute the development process. \nDevelop and enhance products using modern technology stacks. \nMake technical decisions within the scope of services provided, promoting technical excellence and consistency across solutions. \nAbout You\nMinimum 5 years of professional experience in full-stack development, with a focus on architecture, system design, and legacy product migration. \nExtensive experience with 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