{"id":142217,"url":"https://alion.io/job/adesso-senior-javakotlin-developer","title":"Senior Java/Kotlin Developer","company":{"id":3894169,"name":"adesso Netherlands","domain":"adesso.nl","url":"https://alion.io/company/adesso-nl","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitee","truth_index":{"grade":"D","score":48,"open_postings":22,"ghost_share":0.864,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Utrecht, Netherlands"],"countries":["NL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":57000,"max_usd":97000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":62},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Claude","optional":false},{"name":"Copilot","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"Spring Boot","optional":false}],"status":"live","first_seen_at":"2025-07-09T09:50:04Z","employer_posted_date":"2025-07-09","last_verified_at":"2026-10-18T04:49:34Z","board_verified":true,"closed_at":null,"days_open":465,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":464},"description":"Ben jij een ervaren software engineer die graag werkt met Java en/of Kotlin?\nBij adesso Netherlands staat software engineering centraal. We zoeken developers die graag werken aan complexe backend- en integratievraagstukken én hun technische kennis delen met collega's.\nJouw rol\nAls Java en/of Kotlin Developer werk je aan uitdagende softwareprojecten voor toonaangevende organisaties zoals Rabobank, NS, Ahold, NS, Alliander, EDSN en bol.\nJe ontwikkelt maatwerksoftware die bedrijfskritische processen ondersteunt. Je bent niet alleen bezig met bouwen, maar denkt ook mee over architectuur, technische keuzes en de manier van werken binnen teams. Je neemt verantwoordelijkheid, stuurt bij waar nodig en helpt collega's verder.\nWat ga je doen?\nOntwerpen en ontwikkelen van schaalbare backend-applicaties in Java en/of Kotlin\n\nWerken met frameworks zoals Spring Boot\n\nMeedenken over architectuur en technische keuzes\n\nOntwikkelen van API's en integraties voor complexe IT-landschappen\n\nBegeleiden en coachen van minder ervaren developers\n\nActief bijdragen aan code reviews en kennisdeling, zowel intern als bij klanten\n\nRequirements\nMinimaal 7 jaar ervaring als software engineer\n\nAantoonbare ervaring met Java en/of Kotlin\n\nSterke kennis van backend development en Spring Boot\n\nErvaring met microservices en moderne softwarearchitecturen\n\nInteresse in nieuwe technologieën, zoals AI-tooling (Copilot, Claude)\n\nGoede communicatieve vaardigheden en een proactieve mindset\n\nWat bieden wij jou?\nVeel vrijheid in opdrachten en technologische keuzes\n\nOpleidingsbudget van circa €3.600 per jaar\n\nMogelijkheid tot het bezoeken van (internationale) conferenties\n\nWerken met ervaren en inhoudelijk sterke collega's\n\nFlexibel werken, grotendeels remote\n\nEen informele cultuur met ruimte voor plezier en verbinding\n\nWaarom adesso?\nBij ons draait het om jou als professional. Geen standaard carrièrepad, maar maatwerk. We kijken samen naar wat jij nodig hebt om te groeien, technisch én persoonlijk.","description_format":"text","description_chars":1985,"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":["Artificial Intelligence","Information Technology"],"lifecycle":[{"event":"open","at":"2025-07-09T09:50:04Z"},{"event":"open","at":"2026-09-25T17:28:26Z"},{"event":"close","at":"2026-10-11T05:35:42Z"},{"event":"reopen","at":"2026-10-11T09:26:13Z"}],"visa":[],"liveness":{"score":4,"band":"cold","label":"Long shot","p_open":1,"p_active":0.134,"p_room":0.28,"age_days":464,"expected_fill_days":22,"reasons":["conf:1","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/adesso-senior-javakotlin-developer","json_url":"https://alion.io/job/adesso-senior-javakotlin-developer.json","meta":{"generated_at":"2026-10-18T05:00:45Z","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":7605,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":3894169},"rest":"https://alion.io/mcp/rest/get_company?id=3894169"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fadesso-senior-javakotlin-developer"},{"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%2Fadesso-senior-javakotlin-developer"},{"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%2Fadesso-senior-javakotlin-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/adesso-senior-javakotlin-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fadesso-senior-javakotlin-developer"}]}