{"id":15846,"url":"https://alion.io/job/decagon-staff-software-engineer-voice-agent","title":"Staff Software Engineer, Voice Agent","company":{"id":48029,"name":"Decagon","domain":"decagon.ai","url":"https://alion.io/company/decagon-ai","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":84,"open_postings":70,"ghost_share":0,"stale_share":0.643,"repost_share":0,"time_to_fill_p50_days":48,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":200000,"max":400000,"currency":"USD","period":"year","gross":null,"usd_annual":400000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"LLM","optional":false},{"name":"Speech Recognition","optional":false},{"name":"Voice Agents","optional":false}],"status":"live","first_seen_at":"2025-12-01T18:08:22Z","employer_posted_date":"2025-12-01","last_verified_at":"2026-10-17T19:11:46Z","board_verified":true,"closed_at":null,"days_open":320,"trust":{"level":"stale","repost_count":1,"flags":["stale"],"days_open":319},"description":"About Decagon\nDecagon is the leading conversational AI platform empowering every brand to deliver concierge customer experiences.\nOur technology enables industry-defining enterprises like Avis Budget Group, Block’s Cash App and Square, Chime, Oura Health, and Hunter Douglas to deploy AI agents that power personalized, deeply satisfying interactions across voice, chat, email, SMS, and every other channel.\nWe’re building a future where customer experiences are being redefined from support tickets and hold music to faster resolutions, richer conversations, and deeper relationships. We’re proud to be backed by world-class investors who share that vision, including a16z, Accel, Bain Capital Ventures, Coatue, and Index Ventures, along with many others.\nWe’re an in-office company, driven by a shared commitment to excellence and velocity. Our values - Just Get It Done, Invent What Customers Want, Winner’s Mindset, and The Polymath Principle - shape how we work and grow as a team.\nAbout the Team\nThe Voice Agent team builds the real-time systems that allow Decagon agents to carry natural conversations across our omnichannels (phone, web, mobile, etc). We work across speech understanding, audio streaming, synthesis quality, and the voice specific execution logic that enables timing, pacing, and responsive dialogue.\nOur systems must remain accurate, responsive, and stable at scale. Voice is one of the most technically challenging surfaces in conversational AI, and our small team owns this entire capability end-to-end.\nAbout the Role\nAs a Staff Software Engineer focused on Voice Agent, you will lead the architecture and evolution of Decagon’s voice platform. You will drive multi-quarter projects that improve timing, responsiveness, audio quality, and reliability across millions of interactions.\nYou will collaborate with Research to integrate the next generation of speech models, with Infra to push the boundaries of latency and performance, and with Product to bring new voice capabilities to customers. You will help set engineering standards for voice, mentor senior engineers, and raise the technical bar for one of Decagon’s most important surfaces.\nIn this role, you will\nOwn the architecture of Decagon’s real-time voice runtime and shape its long-term roadmap\n\nLead initiatives that improve speech understanding, synthesis quality, and conversational timing\n\nDefine reliability, testing, and observability standards for live voice interactions\n\nBuild frameworks that make voice systems easy to debug, measure, and iterate on\n\nMentor senior engineers and help expand the technical culture of the Voice group\n\nYour background looks something like this\n8+ years of engineering experience with significant technical leadership\n\nExpertise in real-time systems, streaming pipelines, or audio-based applications\n\nAbility to define architectural direction and lead cross-functional projects\n\nStrong debugging skills across audio, networking, and model-driven systems\n\nExperience mentoring engineers and influencing engineering standards\n\nEven better if you have\nExperience with speech recognition or synthesis systems\n\nExperience with VAD, streaming protocols, or other real-time audio systems\n\nExperience designing or maintaining LLM-driven applications\n\nExperience optimizing performance for low-latency use cases\n\nCompensation\n$200K - $400K + Offers Equity\nThis range reflects the expected compensation for this role. Compensation within the range is determined based on experience, skills, and the scope of responsibilities, with flexibility for candidates who demonstrate exceptional impact.\nIn addition to base salary, we offer competitive equity. Final compensation may vary based on location within the United States.\nBenefits\nWe proudly offer the following benefits for our full-time employees:\nMedical, Dental, and Vision benefits for you and your family\n\nLife Insurance and Disability Benefits\n\nRetirement Plan (e.g., 401K, pension)\n\nParental Leave\n\nFertility and family building benefits through Carrot\n\nMonthly stipend to support your wellness, lifestyle, and work-life balance\n\nDaily lunches and snacks in the office to keep you at your best\n\nTake what you need vacation policy (subject to local requirements; UK employees receive 25 days of statutory leave)\n\nThese benefits are described in more detail in Decagon’s policies, may vary by location, and can change at any time according to applicable compensation and benefits plans.","description_format":"text","description_chars":4465,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["401k plan","Equity","Life insurance","Parental leave","Retirement plans"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Conversational AI","AI Agents","Customer Support & Help Desk Software"],"lifecycle":[{"event":"open","at":"2025-12-01T18:08:22Z"},{"event":"close","at":"2026-08-13T11:22:45Z"},{"event":"reopen","at":"2026-08-30T17:52:53Z"},{"event":"open","at":"2026-09-27T04:43:08Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 32","filings_12m":32,"filings_prev_12m":4,"green_card_filings_12m":0,"median_offered_wage_usd":262500,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":14}],"liveness":{"score":11,"band":"cold","label":"Long shot","p_open":1,"p_active":0.401,"p_room":0.28,"age_days":319,"expected_fill_days":48,"reasons":["conf:3","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":400000,"is_top_pay":true},"html_url":"https://alion.io/job/decagon-staff-software-engineer-voice-agent","json_url":"https://alion.io/job/decagon-staff-software-engineer-voice-agent.json","meta":{"generated_at":"2026-10-17T19:34:43Z","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":2908,"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":48029},"rest":"https://alion.io/mcp/rest/get_company?id=48029"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fdecagon-staff-software-engineer-voice-agent"},{"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%2Fdecagon-staff-software-engineer-voice-agent"},{"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%2Fdecagon-staff-software-engineer-voice-agent"},{"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/decagon-staff-software-engineer-voice-agent\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fdecagon-staff-software-engineer-voice-agent"}]}