{"id":2519480,"url":"https://alion.io/job/synsel-techniek-mediorsenior-system-software-engineer","title":"Medior/Senior System Software Engineer","company":{"id":4376709,"name":"Synsel Techniek","domain":"synsel.nl","url":"https://alion.io/company/synsel-techniek","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":{"grade":"A","score":100,"open_postings":3,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":3,"computed_at":"2026-10-21T05:46:15Z"}},"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":["Delft, Netherlands"],"countries":["NL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":4200,"max":6000,"currency":"EUR","period":"month","gross":null,"usd_annual":80568},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-09-26T04:11:25Z","employer_posted_date":null,"last_verified_at":"2026-09-26T04:11:25Z","board_verified":false,"closed_at":null,"days_open":25,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":25},"description":"Als Medior/Senior System Software Engineer werk je aan systeemsoftware voor de lucht- en ruimtevaart, met veel variatie in taken en verantwoordelijkheden. Je besteedt ongeveer de helft van je tijd aan ontwikkeling, een groot deel aan integratie en testen, en ondersteunt daarnaast support en onderhoud. Je leidt eigen deelprojecten en stuurt de uitvoering aan, waarbij je regelmatig code reviews doet en junior collega’s begeleidt. Je bent verantwoordelijk voor de build- en testinfrastructuur en draagt bij aan continue integratie en release-activiteiten. Je werkt in een compact team van vier tot zes software engineers en hebt ruimte om technische keuzes te maken en jezelf verder te ontwikkelen binnen complexe projecten.\n Functie-inhoud\n Ontwerpen, ontwikkelen en testen van systeemsoftware voor projecten binnen de lucht- en ruimtevaartsector.\nLeiden van eigen deelprojecten en coördineren van uitvoering richting technische deliverables en releases.\nOpbouwen en onderhouden van build-, test- en documentatie-infrastructuur en ondersteunen van continue integratieprocessen.\nReviewen van code en technische documentatie, en begeleiden van junior engineers met concrete feedback.\n Functie-eisen\n Aantoonbare ervaring als medior of senior system/embedded software engineer in complexe technische omgevingen.\nErvaring met opzetten en onderhouden van build-, test- en CI-infrastructuur voor embedded systemen.\nVaardigheid om deelprojecten te leiden en verantwoordelijkheid te nemen voor planning en oplevering.\nBereidheid en capaciteit om code reviews te doen en jongere collega’s technisch te begeleiden.\n Wij bieden\n Een detavast-contract met een 40-urige werkweek, passend bij medior/senior niveau.\nWerken in Delft binnen een klein, technisch sterk team van vier tot zes software engineers.\nAfwisselende werkzaamheden: ongeveer 50% ontwikkeling, 30% integratie/test en 20% support/onderhoud.\nRuimte om technische keuzes te maken, verantwoordelijkheden te nemen en je vakinhoudelijk door te ontwikkelen.\nSalarisomschrijving€4200 - €6000 monthly\n Dienstverband: Vaardigheden\n\n Er is geen minimale opleiding vereist\n\n Je beheerst Nederlands\n\n Wat wij bieden\n Salaris: \n € 4.200,- tot € 6.000,-","description_format":"text","description_chars":2194,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Recruiting & Staffing","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-14T10:17:15Z"}],"visa":[],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":0.85,"p_active":0.207,"p_room":0.35,"age_days":25,"expected_fill_days":3,"reasons":["seen:25","velocity","win:tail","comp:brand"],"computed_at":"2026-10-21T05:46:15Z"},"pay":{"stated_usd_annual":80568,"is_top_pay":false},"html_url":"https://alion.io/job/synsel-techniek-mediorsenior-system-software-engineer","json_url":"https://alion.io/job/synsel-techniek-mediorsenior-system-software-engineer.json","meta":{"generated_at":"2026-10-21T16:52:38Z","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":23793,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-22T00:00:00Z"}},"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":4376709},"rest":"https://alion.io/mcp/rest/get_company?id=4376709"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsynsel-techniek-mediorsenior-system-software-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%2Fsynsel-techniek-mediorsenior-system-software-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%2Fsynsel-techniek-mediorsenior-system-software-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/synsel-techniek-mediorsenior-system-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsynsel-techniek-mediorsenior-system-software-engineer"}]}