Senior AI/ML Engineer (Audio and NLP)

Location: Hybrid role based in Arlington, VA, United States

Base salary: $160,000–$225,000 per year, plus eligible performance bonuses and stock options.

Company

hirify.global is an AI and optimization company building software for complex operational environments, combining real-time communications, computer vision, audio intelligence, NLP, navigation, geospatial data, optimization, and secure cloud infrastructure.

What you will do

• Develop audio, speech, and NLP models using Whisper and transformer architectures.
• Own models from research through production, including data preparation, fine-tuning, evaluation, metrics, and inference.
• Build low-latency production inference pipelines for transcription, audio-event detection, and language understanding.
• Design evaluation frameworks and curate training and evaluation datasets.
• Collaborate with backend, mobile, and product engineers to integrate model outputs into reliable real-time applications.

Requirements

• 5+ years of professional machine learning experience.
• Strong experience with speech, audio, or NLP models.
• Experience with Whisper and/or transformer-based models.
• Strong Python and PyTorch skills.
• Experience fine-tuning and evaluating models.
• Experience deploying models to production.
• Legally authorized to work in the United States.

Nice to have

• Experience with streaming or real-time speech recognition.
• Experience with audio-event detection or speaker diarization.
• Experience optimizing inference with ONNX, TensorRT, or quantization.
• Experience with LLMs and retrieval systems.
• Experience in defense, public safety, or high-security environments.

Culture & Benefits

• Health, dental, and vision coverage.
• Performance bonus opportunities and stock options.
• Flexible work environment with significant technical ownership.
• Direct influence over product and architecture decisions.
• Opportunities to work across AI/ML, distributed systems, computer vision, audio, NLP, navigation, optimization, and real-time infrastructure.
• Collaborative engineering environment with direct visibility into company and product strategy.