{"id":2079173,"url":"https://alion.io/job/io-digital-back-end-full-stack-engineer","title":"Back-end / Full-stack Engineer","company":{"id":45365,"name":"iO Digital","domain":"iodigital.com","url":"https://alion.io/company/io-tech-hub","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitee","truth_index":{"grade":"A","score":87,"open_postings":74,"ghost_share":0,"stale_share":0.527,"repost_share":0,"time_to_fill_p50_days":35,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Rotterdam, Netherlands"],"countries":["NL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":49000,"max_usd":99000,"period":"year","method":"role_country_seniority_unknown","sample_n":171},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"ESLint","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"Prettier","optional":false},{"name":"React.js","optional":false},{"name":"SonarQube","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-08T08:43:17Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-11T03:27:36Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Wat ga je doen?\nBen jij een engineer die echt programmeert - businesslogica bouwt, integraties legt en complexe systemen aan elkaar knoopt? Iemand die thuis is in zowel de voor- als de achterkant van een applicatie? Dan is dit jouw plek bij iO Campus Rotterdam.\nDenk aan het Feyenoord-platform: native apps voor Android en iOS, een multisite-website (feyenoord.com, dekuip.com en de zakelijke website), een API-integratielaag die alle bronsystemen verbindt, CMS-beheer én functionaliteiten zoals mijn-omgeving en een ticketingsysteem. Geen stylingklussen, maar echt programmeerwerk aan de kern van digitale producten.\nJouw verantwoordelijkheden:\nJe definieert codingstandaarden, architectuurrichtlijnen en bewaakt deze via geautomatiseerde tooling (zoals ESLint, Prettier of SonarQube) en code reviews;\n\nJe bouwt functionaliteiten en businesslogica in TypeScript, Node.js, React en Next.js;\n\nJe werkt in composable, headless en MACH-architecturen en legt de verbinding tussen systemen;\n\nJe integreert CMS-, CRM- en SSO-systemen en zorgt voor robuuste authenticatie- en autorisatieflows;\n\nJe bouwt en onderhoudt API-integratielagen die bronsystemen verbinden met de digitale voorkant;\n\nJe werkt zelfstandig samen met Product Owners en stakeholders binnen het klantteam;\n\nJe signaleert proactief technische risico's en kansen;\n\nJe optimaliseert je ontwikkelworkflow actief met AI-tooling en agentic engineering.\n\nRequirements\nSolide ervaring met TypeScript, Node.js, React en Next.js;\n\nKennis van composable architectuur, headless CMS en MACH-architecturen;\n\nErvaring met het integreren van externe systemen: CMS, CRM, SSO, authenticatie en API-lagen;\n\nJe snapt hoe zowel de voor- als de achterkant van een architectuur werkt en weet daartussen de verbinding te leggen;\n\nMinimaal 3 jaar relevante werkervaring; agencyervaring is een pré;\n\nErvaring met agentic engineering en AI-tooling: je kent de werking van gangbare taalmodellen en weet hoe je jouw developer experience ermee verbetert;\n\nAnalytisch sterk, proactief en communicatief vaardig;\n\nUitstekende beheersing van de Nederlandse taal, zowel mondeling als schriftelijk.","description_format":"text","description_chars":2125,"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":[{"language":"German","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Design & Creative","E-learning","Virtual Events"],"lifecycle":[{"event":"open","at":"2026-10-08T09:29:19Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":1,"expected_fill_days":35,"reasons":["conf:3","stale_co","velocity","win:early"],"computed_at":"2026-10-10T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/io-digital-back-end-full-stack-engineer","json_url":"https://alion.io/job/io-digital-back-end-full-stack-engineer.json","meta":{"generated_at":"2026-10-11T03:54:05Z","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":2027,"day_limit":5000,"remaining_today":2973,"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":45365},"rest":"https://alion.io/mcp/rest/get_company?id=45365"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fio-digital-back-end-full-stack-engineer"},{"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%2Fio-digital-back-end-full-stack-engineer"},{"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%2Fio-digital-back-end-full-stack-engineer"},{"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/io-digital-back-end-full-stack-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fio-digital-back-end-full-stack-engineer"}]}