{"id":159318,"url":"https://alion.io/job/signicat-kotlin-java-developer","title":"Kotlin / Java Developer","company":{"id":56596,"name":"Signicat","domain":"signicat.com","url":"https://alion.io/company/signicat","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"hybrid","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":48000,"max_usd":102000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":18},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"GitLab","optional":false},{"name":"Java","optional":false},{"name":"JavaScript","optional":false},{"name":"Kanban","optional":false},{"name":"Kotlin","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Scrum","optional":false},{"name":"Spring Boot","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2025-05-27T12:46:10Z","employer_posted_date":"2025-05-27","last_verified_at":"2026-10-16T21:26:39Z","board_verified":true,"closed_at":null,"days_open":507,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":506},"description":"Signicat is a pan-European digital identity company that makes it easy and safe for organisations to know who they are interacting with online. Using our proprietary technology, we help companies and public organisations securely verify the identities of people and businesses, authenticate users, and enable compliant electronic document signing, so their customers can access services and complete online processes with confidence.\nToday, Signicat employs over 530 people across 20 offices in 15 European countries. We work with leading banks, fintechs, telcos, public authorities, healthcare providers, and enterprises across retail and mobility to deliver trusted digital identity and onboarding solutions at scale. Joining Signicat means contributing to a mission that has a real impact on how society works and trusting each other in an increasingly digital world.\nThe Role:\nSignicat has an opportunity for a talented Java or Kotlin Developer to join our Authentication Broker team based in Rotterdam.\nAs part of the team, you will contribute to our own SaaS applications with which we reach millions of end users. Our code is mission-critical for many of our high-profile customers, who use our platform to authenticate the end users of their services. You will learn how to create architectures that are inherently secure, becoming an expert in secure programming.\nKey Responsibilities:\nWrite software that matters! Be part of the team that will enable online authentication for millions of users!\nGet training and guidance to become an expert at writing secure software\n\nAnalyse functional requirements and turn them into real software\n\nAssist in designing and improving our software architecture\n\nBuild and maintain a catalogue of reusable, elegant solution patterns\n\nBuild and maintain a library of reusable, elegant software components\n\nImprove standards and guidelines for using these patterns and components\n\nWe work agile, so take part in daily stand-ups and discuss safety features with the product owner\n\nBe responsible for the whole lifecycle of our applications including deployments and DevOps\n\nThe Environment\n Signicat engineering teams operate with a DevOps mindset of “you build it, you run it”, giving our Engineers full end-to-end ownership and autonomy. As such the Developer position will need someone who will accept full responsibility for their work. The Authentication Broker Team follows Scrum / Kanban methodologies, working with cutting-edge technology and principles. You'll need to be willing to learn / work in Kotlin - all our code is in Kotlin!\nRequirements\n3+ years of experience using Kotlin and/or Java 8+ to develop web applications\n\nYou enjoy explaining things, discussions, and knowledge sharing\n\nExperience using CI/CD, version control, and unit testing\n\nKnowledge or experience of one or more of the following:\nSpring Boot, REST, Docker, Kubernetes, microservices, GitLab, PostgreSQL, OIDC, SAML, QA, AWS/GCP, Angular, Linux, SCRUM/Kanban\n\nBachelor's degree in Computer Science or equivalent experience\n\nWhat we offer:\nYour tech, your way - choose the tech gear that aligns with your comfort and meets your preferences\n\nHybrid work style - collaborate with the team in-office several days a week and embrace the flexible work model\n\nWork-life balance - enjoy an extra 5 paid days off annually, and we will celebrate your work anniversaries with additional days off to recognise and reward your milestones.\n\nRotterdam: Modern workplace - a cosy office located in the heart of Rotterdam near the central station, with daily lunches provided to keep you fueled throughout the day and so much more!\n\nContinuous growth - quarterly development talks, a dedicated time during working hours each week for training and development, unlimited access to Udemy courses, defined career paths and internal mentorship opportunities\n\nCustomised onboarding - we will prepare an Onboarding Plan to ensure an easy and smooth beginning\n\nBe part of an international team - the opportunity to work from any other Signicat office for 2 months per year and 3 weeks per year from any European country\n\nGive back to the community - option to use 16 hours of paid volunteer time each year to support a charity or cause you are passionate about\n\nEmpowering feedback culture - by using employee engagement tools, we ensure that every voice is heard, empowering us to grow together","description_format":"text","description_chars":4399,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Flexible schedule","Hybrid work"],"hiring_locations":[{"name":"Netherlands","iso":"NL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Identity Management","Digital Signature"],"lifecycle":[{"event":"open","at":"2025-05-27T12:46:10Z"},{"event":"open","at":"2026-09-26T02:00:00Z"},{"event":"open","at":"2026-10-12T05:37:38Z"}],"visa":[],"liveness":{"score":10,"band":"cold","label":"Long shot","p_open":1,"p_active":0.359,"p_room":0.28,"age_days":506,"expected_fill_days":93,"reasons":["conf:3","win:tail","crowd:"],"computed_at":"2026-10-16T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/signicat-kotlin-java-developer","json_url":"https://alion.io/job/signicat-kotlin-java-developer.json","meta":{"generated_at":"2026-10-17T03:40:30Z","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":4808,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":56596},"rest":"https://alion.io/mcp/rest/get_company?id=56596"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsignicat-kotlin-java-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%2Fsignicat-kotlin-java-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%2Fsignicat-kotlin-java-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/signicat-kotlin-java-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsignicat-kotlin-java-developer"}]}