{"id":1380215,"url":"https://alion.io/job/nykaa-principal-staff-software-engineer","title":"Principal / Staff Software Engineer","company":{"id":4529,"name":"Nykaa","domain":"nykaa.com","url":"https://alion.io/company/nykaa","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":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":28000,"max_usd":62000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":51},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Function Calling","optional":false},{"name":"Hallucination","optional":false},{"name":"LLM","optional":false},{"name":"LLM Guardrails","optional":false},{"name":"RAG","optional":false},{"name":"Speech Recognition","optional":false},{"name":"Text-to-Speech","optional":false},{"name":"Tool Use","optional":false}],"status":"live","first_seen_at":"2026-09-28T08:10:38Z","employer_posted_date":null,"last_verified_at":"2026-09-28T08:10:38Z","board_verified":false,"closed_at":null,"days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"Responsibilities:\nA streaming, cascaded voice pipeline (ASR LLM TTS) with end-to-end response latency under ~800ms and a credible path toward the ~500-600ms range where callers stop noticing they're talking to AI.\nTurn-taking and barge-in that feel human - semantic endpointing, interruption handling, and full-duplex audio - not naive VAD silence timers.\nAn evaluation and observability stack for voice: latency budgets per stage, transcription, hallucination and instruction-following evals, and replayable call traces.\nThe orchestration layer: tool/function calling, RAG over customer knowledge, guardrails, and graceful fallback when a model or vendor degrades.\nRequirements:\nDeep, hands-on experience building real-time or streaming systems - voice, video, RTC, audio, or low-latency ML serving.\nYou understand where milliseconds go.\nWorking knowledge of the modern agent stack: LLM orchestration, function/tool calling, streaming token pipelines, ASR/TTS, and how to evaluate non-deterministic systems.\nYou've shipped something users talked to (or otherwise interacted with in real time) and made it fast and reliable.","description_format":"text","description_chars":1124,"description_truncated":false,"requirements":{"experience_years_min":null,"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":["E-commerce Platforms","Cosmetics & Makeup","Skincare"],"lifecycle":[{"event":"open","at":"2026-09-28T08:10:38Z"}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":24,"reasons":["seen:0","velocity","win:early"],"computed_at":"2026-09-29T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/nykaa-principal-staff-software-engineer","json_url":"https://alion.io/job/nykaa-principal-staff-software-engineer.json","meta":{"generated_at":"2026-09-30T00:21:03Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":168,"day_limit":5000,"remaining_today":4832,"minute_limit":60,"resets_at":"2026-10-01T00:00:00Z"}}}