{"id":2346707,"url":"https://alion.io/job/hornetsecurity-c-net-core-developer-germany","title":"C# .NET Core Developer - Germany","company":{"id":51908,"name":"Hornetsecurity","domain":"hornetsecurity.com","url":"https://alion.io/company/hornetsecurity","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Personio","truth_index":{"grade":"C","score":57,"open_postings":93,"ghost_share":0.72,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-13T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Hanover, Germany"],"countries":["DE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":57000,"max_usd":133000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":14},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C#","optional":false},{"name":"RabbitMQ","optional":false},{"name":"Redis","optional":false},{"name":"Rest API","optional":false},{"name":"Angular","optional":true},{"name":"ASP.NET Core","optional":true},{"name":"ClickHouse","optional":true},{"name":"ElasticSearch","optional":true},{"name":"GitLab","optional":true},{"name":"Grafana","optional":true},{"name":"JavaScript","optional":true},{"name":"Kibana","optional":true},{"name":"Kubernetes","optional":true},{"name":"MariaDB","optional":true},{"name":"Prometheus","optional":true},{"name":"RxJS","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2025-03-26T09:41:01Z","employer_posted_date":"2025-03-26","last_verified_at":"2026-10-13T19:34:09Z","board_verified":true,"closed_at":null,"days_open":566,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":565},"description":"Intro\nThe Hornetsecurity Group is the leading cloud security provider in Europe, protecting the IT infrastructure, digital communication, and data of companies and organizations of all sizes.Join our fight against cybercrime and become part of the international team! We’re on the lookout for a highly motivated C# .NET Core Developer.\nYour Job\nYou will join a team of diverse specialists and create the core of what makes our products successful: A malware protection solution that our users love and badguysdread. Working primarily with .NET Core, you will have a direct and immediate impact on the security of end-users.\nYou will build the backend systems that powerHornetsecurity‘sflagship product.\nYou will design and scale REST-based APIs and background services using technologies like .NET Core, Redis and RabbitMQ\nYou will write beautiful code accompanied by good documentation and coverage by integration tests.\nOur tech stack:Frontend: Angular, TypeScript,RxJS, HTML5, CSS3.\nBackend: C#, .NET 8+, ASP.NET Core.\nStorage and messaging: MariaDB, RabbitMQ, Redis, Elasticsearch,ClickHouse.\nInfrastructure: GitLab, k8s, Kibana, Prometheus, Grafana.\nYour Profile\nYou have 3-4 years ofexperiencein software development\nYou have strong background in C#/.NET Core development.\nExpert knowledge in background data processing using message brokers and task queues.\nStrong communicationskills with ability to efficiently deal with software requirements, questions,concernsand feedback in both directions.\nYou are fluent in English.\nYour Benefits\nBe part of a growing global company in one of the most dynamic industries - cybersecurity.\nShort decision paths and flat hierarchies in an open working atmosphere.\nPersonal and professional development opportunities.\nHome-office optionand flexible, trust-based working time.\nBe-Active Bonus - allowance for membership in fitness and sports clubs.\nWhether by car, public transport, or bike - we make your commute easier with free parking, a GVHJobCard(Hanover), a tax-free commuting allowance (Berlin), or bike leasing.\nEmployer contribution to the company pension plan.\nUnlimited contracts - we’relooking for hornets to grow long-term with us.\nTemporary Employee Exchange Program - opportunity to work at our global office locations (e.g. Malta, Madrid, Montréal, Washington D.C.).\nReferral Bonus: €1,500 for every successful candidate referral.\nTeam events like laser tag, an escape room, or a get-together at our own legendary beer truck in Hanover - let yourself be surprised!","description_format":"text","description_chars":2524,"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":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Professional development"],"hiring_locations":[{"name":"Germany","iso":"DE","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Information Security","Email Security"],"lifecycle":[{"event":"open","at":"2026-10-12T12:50:53Z"}],"visa":[],"liveness":{"score":4,"band":"cold","label":"Long shot","p_open":1,"p_active":0.148,"p_room":0.28,"age_days":565,"expected_fill_days":31,"reasons":["conf:1","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-13T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/hornetsecurity-c-net-core-developer-germany","json_url":"https://alion.io/job/hornetsecurity-c-net-core-developer-germany.json","meta":{"generated_at":"2026-10-13T19:57:25Z","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":30592,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"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":51908},"rest":"https://alion.io/mcp/rest/get_company?id=51908"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fhornetsecurity-c-net-core-developer-germany"},{"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%2Fhornetsecurity-c-net-core-developer-germany"},{"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%2Fhornetsecurity-c-net-core-developer-germany"},{"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/hornetsecurity-c-net-core-developer-germany\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fhornetsecurity-c-net-core-developer-germany"}]}