{"id":68480,"url":"https://alion.io/job/corti-senior-backend-engineer-audio-processing","title":"Senior Backend Engineer, Audio Processing","company":{"id":26570,"name":"Corti","domain":"corti.ai","url":"https://alion.io/company/corti","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Copenhagen, Denmark"],"countries":["DK"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":72000,"max_usd":213000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":6933},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"CockroachDB","optional":false},{"name":"Go","optional":false},{"name":"gRPC","optional":false},{"name":"Platform Engineering","optional":false},{"name":"WebRTC","optional":false},{"name":"WebSockets","optional":false}],"status":"live","first_seen_at":"2026-05-11T10:17:52Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-17T01:56:51Z","board_verified":true,"closed_at":null,"days_open":158,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":157},"description":"Overview\nCorti is the frontier lab for clinical-grade AI, building world-leading models and infrastructure for the realities of healthcare.\nOur technology powers healthcare’s most ambitious software, from EHR vendors and virtual care platforms to the health systems that care depends on. We work with builders ranging from fast-moving startups to global healthcare enterprises, helping them bring clinical AI into real-world care.\nHealthcare is full of problems where AI has to do more than simply work. Clinicians are overwhelmed by documentation. Coding errors, backlogs and denials cost health systems billions. And the specialist expertise patients need is not always available when they need it.\nWe build AI specifically for these environments, trained on real patient interactions, validated against real outcomes, and designed to perform where accuracy, trust and reliability matter. If you want to help define how AI is built for healthcare, you belong at Corti.\nThe Role\nWe are looking for an engineer passionate about building the next generation of high-scale audio processing infrastructure for communication centers that form a vital part of our critical infrastructure, including emergency dispatch centers and hospitals. You will be responsible for integrating AI capabilities into environments dominated by network protocols like SIP and SIPREC, ensuring robust and scalable performance at the heart of life-critical operations.\nWhat you'll be doing:\nArchitect and maintain systems processing over 100,000 calls per day.\n\nDevelop foundational infrastructure using network protocols such as SIP and SIPREC.\n\nIntegrate AI capabilities into low-latency, high-throughput audio processing pipelines.\n\nCollaborate with the Platform Engineering team with a commitment to engineering excellence to ensure system reliability and scalability.\n\nHands-on development of an innovative solution where design choices matter\n\nWork with colleagues in design and code reviews\n\nContribute to a strong culture of development at Corti through mentorship of developers of all levels\n\nWhat you bring:\nMaster of Golang\n\nDeep understanding of network protocols, specifically SIP and SIPREC\n\nProven track record of building and scaling foundational infrastructure\n\nExperience in ideating and implementing features with high complexity\n\nHands-on experience with cloud computing architecture and development\n\nExperience running, monitoring, and operating REST, WebSockets, Kafka or an event-driven architecture\n\nExperience with containers and orchestration tools\n\nA passion for writing clean and efficient code\n\nExperience with WebSocket, gRPC and CockroachDB is a significant plus.\n\nExperience with real-time audio processing and WebRTC is a significant plus.\n\nExcellent English verbal and written communication skills, including all-remote communication\n\nLife at Corti\nYou will be reporting to the Director of Platform Engineering.\n\nThe position is full-time and starts as soon as possible.\n\nHybrid working environment in Copenhagen.\n\nEquipment provided by Corti\n\nReady to dive into the world of Corti? Hit that 'Apply' button, and let's start working together on reshaping the dialogue in healthcare, making a real difference for millions of patient outcomes around the world.\n Bringing in top talent from all backgrounds is crucial in our pursuit to improve the world of healthcare. We encourage applications from all people and do not discriminate based on race, religion, national origin, gender, sexual orientation, age, and/or disability status.\nAt Corti, experience comes in many forms, and we’re passionate about creating teams with a multitude of perspectives! If you believe your experience is close to what we’re looking for but not an exact match, we still hope you’ll consider applying!","description_format":"text","description_chars":3789,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Hybrid work"],"hiring_locations":[{"name":"Denmark","iso":"DK","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Speech & Audio AI","Medical AI"],"lifecycle":[{"event":"open","at":"2026-05-11T10:17:52Z"}],"visa":[],"liveness":{"score":9,"band":"cold","label":"Long shot","p_open":1,"p_active":0.323,"p_room":0.28,"age_days":157,"expected_fill_days":38,"reasons":["conf:1","win:tail","crowd:"],"computed_at":"2026-10-16T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/corti-senior-backend-engineer-audio-processing","json_url":"https://alion.io/job/corti-senior-backend-engineer-audio-processing.json","meta":{"generated_at":"2026-10-17T04:01:50Z","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":5303,"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":26570},"rest":"https://alion.io/mcp/rest/get_company?id=26570"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcorti-senior-backend-engineer-audio-processing"},{"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%2Fcorti-senior-backend-engineer-audio-processing"},{"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%2Fcorti-senior-backend-engineer-audio-processing"},{"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/corti-senior-backend-engineer-audio-processing\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcorti-senior-backend-engineer-audio-processing"}]}