{"id":3721553,"url":"https://alion.io/job/aarhus-trading-software-developer","title":"Software Developer","company":{"id":4506334,"name":"Aarhus Trading","domain":"aarhustrading.dk","url":"https://alion.io/company/aarhus-trading","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"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":"structured","locations":["Aarhus, Denmark"],"countries":["DK"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Azure","optional":true},{"name":"Azure DevOps","optional":true},{"name":"Docker","optional":true},{"name":"gRPC","optional":true},{"name":"Java","optional":true},{"name":"JavaScript","optional":true},{"name":"Kotlin","optional":true},{"name":"Kubernetes","optional":true},{"name":"Microsoft Entra ID","optional":true},{"name":"OpenTelemetry","optional":true},{"name":"PostgreSQL","optional":true},{"name":"RabbitMQ","optional":true},{"name":"React.js","optional":true},{"name":"Spring Boot","optional":true},{"name":"TimescaleDB","optional":true},{"name":"TypeScript","optional":true},{"name":"WebSockets","optional":true}],"status":"closed","first_seen_at":"2026-11-03T23:00:00Z","employer_posted_date":null,"last_verified_at":"2026-11-06T14:52:00Z","board_verified":false,"closed_at":"2026-11-06T14:52:00Z","days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"Build the systems behind our power trading - from real-time data and algorithmic execution to the trading terminal our desk uses every day.\n\nThe role\n\nJoin a small team that builds and owns our trading platform end to end. Work directly with traders, take responsibility for production systems and see the impact of what you ship.\n\nWhat you will work on\n\nOrder management, trading algorithms and real-time execution.\n\nMarket data integrations and our trading terminal.\n\nScheduling, nominations and reconciliation with TSOs and exchanges.\n\nPlatform reliability, infrastructure and security.\n\nWhat you bring\n\nAt least 3-5 years of experience building and running production systems. You can take an open-ended problem from idea to deployment, communicate clearly and take ownership when things break. Experience with concurrent or real-time systems is valuable; curiosity about power markets is essential.\n\nOur stack\n\nBackend: Kotlin, Spring Boot, PostgreSQL/TimescaleDB, RabbitMQ, gRPC and websockets.\n\nFrontend: React, TypeScript and D3.\n\nPlatform: Docker, Kubernetes, Azure DevOps, Entra ID and OpenTelemetry.\n\nYou do not need to know every tool. Be strong in one area and ready to learn the rest.\n\nWhat we offer\n\nReal ownership, competitive compensation and a small, experienced team. Our office is in central Aarhus, close to the traders and the decisions your work supports.\n\nInterested?\n\nSend a short introduction and your CV. Questions about the role are welcome too.\n\nApply by email ↗","description_format":"text","description_chars":1515,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-11-04T02:52:00Z"},{"event":"close","at":"2026-11-06T14:52:00Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/aarhus-trading-software-developer","json_url":"https://alion.io/job/aarhus-trading-software-developer.json","meta":{"generated_at":"2026-11-07T02:00:01Z","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":4788,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-08T00:00:00Z"}},"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":4506334},"rest":"https://alion.io/mcp/rest/get_company?id=4506334"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Faarhus-trading-software-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%2Faarhus-trading-software-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%2Faarhus-trading-software-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/aarhus-trading-software-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Faarhus-trading-software-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3721553}},{"tool":"search_jobs","arguments":{"company":"aarhustrading.dk","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3721553},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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