{"id":4022545,"url":"https://alion.io/job/titan-os-full-stack-developer","title":"Full Stack Developer","company":{"id":689008,"name":"Titan OS","domain":"titanos.tv","url":"https://alion.io/company/titanos","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":100,"open_postings":4,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":15,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Barcelona, Spain"],"countries":["ES"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"LLM","optional":false},{"name":"Node JS","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"Playwright","optional":false},{"name":"PostgreSQL","optional":false},{"name":"React.js","optional":false},{"name":"Replit","optional":false},{"name":"SQL","optional":false},{"name":"Supabase","optional":false},{"name":"Tailwind CSS","optional":false},{"name":"TypeScript","optional":false},{"name":"Vitest","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-11-10T15:39:21Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T21:10:23Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Is this you?\nTitan Operating System S.L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company, is looking for you!\nOur platform combines content discovery and advertising technology in one solution, helping leading TV brands unlock greater value. Titan OS powers devices from major brands including Philips, AOC and JVC, reaching millions of viewers across Europe and LATAM. Titan OS is also powering free premium FAST Channels on selected SONY Android TVs.\nOver the last two years, Titan OS has grown revenue 10x and attracted leading investors, including Highland Europe and Mangrove.\nAt TitanOS, we live by three core values:\nMake things happen - We take ownership, move fast, and deliver impact\nNo ego - We collaborate with respect and humility to reach shared goals\nShow genuine passion - We love what we do and never stop learning \nCulture and environment are at the heart of our ethos. If the above resonates with you, keep reading because we believe you could be a perfect addition to our incredible team!\nRole Overview:\nAs a Full-Stack Developer, you will help maintain and grow our advertising platform, which is developed and hosted on Replit. You'll work across the whole stack, from the React front end to the Node.js API and PostgreSQL database. You'll help keep a live production system secure and reliable while delivering new features and integrations.\nKey Responsibilities\nDesign, code, test, maintain and deliver features across the React front end and the Node.js/Express API\nBuild and maintain integrations with third-party APIs and services\nInvestigate and fix production bugs, find the root cause and prevent regressions\nMaintain authentication and access control built on Supabase\nWrite and run database schema changes and migrations with Drizzle ORM, safely and without data loss\nWrite and maintain automated tests with Vitest, Playwright and Node.js tests\nKeep the platform secure: dependency updates, secrets management, input validation and access control\nManage deployments, environments and releases on Replit\nDocument code and technical decisions so the platform stays easy to maintain\nRequirements\n2+ years of relevant experience as a full-stack developer with TypeScript, React and Node.js\nExperience working on production applications, ideally including authentication, database migrations or third-party integrations\nExperience with Replit, including hosting, deployments, environments and secrets management\nWorking knowledge of PostgreSQL and SQL, and familiarity with Drizzle ORM or a similar TypeScript ORM\nUnderstanding of authentication (sessions, JWTs, OAuth, role-based access), ideally with Supabase Auth\nGood knowledge of HTML5, CSS and Tailwind CSS\nExperience writing automated tests, ideally with Vitest and Playwright\nAwareness of web application security basics (OWASP Top 10, secrets handling, dependency updates)\nExperience integration AI services or LLM APIs into production applications\nNice to have: Experience with advertising technology or integrating ad platforms (VAST)\nBenefits\nReasons to apply:\nCentrally located office in the heart of Barcelona, with public transportation nearby\nCompetitive compensation\nPrivate health insurance\nFriendly, diverse, and international work environment\nOpportunity to work outside of your comfort zone and develop professionally in an exciting and fast-growing CTV industry.\nChange the future of TV! A unique opportunity to join a well-funded, high-growth company in the early stages to help shape a product/business that will impact millions.\nIf you're excited about this position, don’t hesitate to apply. We’re waiting for you to join us! And if you want to know more about us, follow us onLinkedIn !","description_format":"text","description_chars":3725,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Health insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Operating Systems","Streaming & OTT Platforms"],"lifecycle":[{"event":"open","at":"2026-11-10T15:39:21Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":15,"reasons":["conf:2","win:early"],"computed_at":"2026-11-10T23:19:04Z"},"pay":null,"html_url":"https://alion.io/job/titan-os-full-stack-developer","json_url":"https://alion.io/job/titan-os-full-stack-developer.json","meta":{"generated_at":"2026-11-10T23:19:04Z","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_verified","counted_by":"address","units_charged":1,"used_today":1666,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":689008},"rest":"https://alion.io/mcp/rest/get_company?id=689008"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftitan-os-full-stack-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Ftitan-os-full-stack-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Ftitan-os-full-stack-developer"},{"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/titan-os-full-stack-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftitan-os-full-stack-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4022545}},{"tool":"search_jobs","arguments":{"company":"titanos.tv","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4022545},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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