Tech Lead – ASR / TTS / Speech LLM
OutcomesAI
Tech Lead – ASR / TTS / Speech LLM
OutcomesAI
AI-powered nursing workflow automation platform
* Prepare and maintain synthetic and real training datasets. * STT/TTS/Speech LLM and LLM training: model selection → fine-tuning → evaluation → deployment. * Build evaluation for clinical applications (RPM, triage, inbound/outbound). * Build scripts for data selection, augmentation (noise, codec, jitter), and corpus curation. * Fine-tune speech models using CTC/RNN-T or adapter-based recipes on multi-GPU systems. * Fine-tune LLMs using PEFT (LoRA/QLoRA/adapters) and preference methods such as DPO/RLHF where needed. * Implement evaluation pipelines to measure WER/sWER, entity F1, safety/quality metrics, and latency; automate MLflow logging. * Experiment with bias-aware training and context list conditioning. * Collaborate with backend and DevOps teams to integrate trained models into inference stacks. * Support creation of context biasing APIs and LM rescoring paths. * Assist in maintaining benchmarks versus commercial baselines (Deepgram, Elevenlabs, Cartesia, Whisper, etc.). * Optimize inference latency/cost for speech and LLM serving (batching, kv-cache, quantization, caching, autoscaling).
* Strong programming in Python (PyTorch, Hugging Face, NeMo, ESPnet). * Practical experience in audio data processing, augmentation, and ASR fine-tuning. * Training: SpecAugment, speed perturb, noise/RIRs, codec+PLC+jitter sims for PSTN/WebRTC. * Streaming ASR: Transducer/zipformer with chunked attention, frame-sync beam search, endpointing (VAD-EOU) tuning. * Context biasing: WFST boosts + neural re-scoring; patient/name dictionaries; session-aware bias refresh. * Familiarity with LoRA/QLoRA/adapters, distributed training, mixed precision. * Experience with LLM alignment and evaluation (SFT, DPO/RLHF, tool calling reliability, hallucination/safety checks). * Proficiency with evaluation frameworks: WER/sWER, Entity-F1, DER/JER, MOSNet/BVCC (TTS), PESQ/STOI (telephony), RTF/latency at P95/P99, and MLflow logging. * Inference/serving familiarity: vLLM/Triton, quantization, kv-cache, batching, and performance tuning. * Frameworks: ESPnet, SpeechBrain, NeMo, Kaldi/K2, Livekit, Pipecat, Dify. * Understanding of telephony speech characteristics, accents, and distortions. * Collaborative mindset for cross-functional work with ML-ops and QA.
AI-powered nursing workflow automation platform
OutcomesAI augments nursing capacity with AI and licensed nurses. Glia is an AI engine of nurse-focused LLMs and LMMs that handles inbound and outbound patient calls, symptom collection, scheduling, follow-ups, and patient education in multiple languages; it escalates to licensed nurses who use AI-powered tools for real-time scribing, automated documentation, and protocol guidance, all integrated with EHRs. It targets health systems, virtual care providers, and pharmaceutical companies to reduce operational costs by up to 50% and increase nursing capacity by three to five times, without replacing staff. The goal is to address the global nursing shortage and clinician burnout by enabling safer, more scalable patient care at scale, supported by health-system partnerships and a seed round led by Santé Ventures.
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