ML Engineer

Catalyst Labs; New Jersey; On-site; USD 100,000 - 150,000; Full time

Job summary

A rapidly growing startup in New York is seeking an experienced ML Engineer to design, develop, and deploy production-grade machine learning systems. The candidate will work with state-of-the-art AI technology to convert audio data into actionable insights. Responsibilities include full lifecycle ownership of ML models, collaboration with cross-functional teams, and customer interaction to deliver impactful solutions. A Bachelor's or Master's degree in a relevant field and programming skills in Python are required. Excellent communication skills are essential.

Qualifications

• 1-6 years of professional experience in ML engineering.
• Strong understanding of data pipeline design and model monitoring.
• Hands-on experience with ML frameworks such as PyTorch or TensorFlow.

Responsibilities

• Design, build, and deploy production-grade ML systems.
• Develop and optimize ML models focused on audio data.
• Collaborate with teams to improve AI stack and drive innovation in ML applications.

Skills

Python programming

Machine Learning frameworks (PyTorch, TensorFlow)

Data pipeline design

Cloud environments (AWS)

Excellent communication

Education

Bachelor’s or Master’s degree in Computer Science or related field

Tools

FastAPI

OpenAI APIs

PostgreSQL

Redis

S3

Job description

Our Client is a rapidly growing Tier 1 VC‑backed startup based in New York with $60 million in funding, revolutionizing how outside sales and service teams work. Their AI technology captures and analyzes real-world conversations, providing full visibility into every customer interaction without the need for traditional ride‑alongs.

About the Job

The company turns field conversations into searchable, actionable data, empowering teams to coach more effectively, close more deals, and boost average ticket sizes. By combining cutting‑edge AI with a deep understanding of field sales dynamics, it redefines how businesses learn from and optimize in‑person customer experiences.

Location

New York, NY

Work type

Full Time

Compensation

Above market base + bonus + equity

Roles & Responsibilities

• Design, build, and deploy production‑grade ML systems with end‑to‑end ownership of the model lifecycle from conception to deployment and maintenance.
• Architect and deliver AI‑powered solutions enabling natural speech interaction and real‑time audio understanding.
• Develop and optimize ML models focused on audio data to extract business‑critical insights from previously unstructured voice data.
• Build agents capable of operating natively on real‑world audio inputs.
• Collaborate with cross‑functional teams to shape the foundations of the AI stack, improve tooling, and drive innovation in LLM and audio ML applications.
• Work directly with customers to identify needs, gather feedback, and deliver impactful real‑world solutions.
• Handle the entire AI lifecycle, including data acquisition, preprocessing, model training, deployment, inference, and monitoring in production environments.
• Participate in continuous improvement of the ML infrastructure and processes for scalability and performance.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Machine Learning, Artificial Intelligence, or a related field.
• 1-6 years of professional experience in ML engineering.
• Strong programming skills in Python (TypeScript experience is a plus).
• Hands‑on experience with ML frameworks such as PyTorch or TensorFlow.
• Familiarity with cloud environments and infrastructure (preferably AWS).
• Strong understanding of data pipeline design, real‑time inference, and model monitoring.
• Excellent communication skills with the ability to engage directly with customers and stakeholders.

Core Experience

• Proven experience building and deploying ML models into production environments.
• Demonstrated ability to own the full model lifecycle from data ingestion and model development to deployment and monitoring.
• Experience with audio‑focused ML projects or similar domains involving unstructured data.
• Proficiency in building scalable data pipelines for model training and evaluation.
• Familiarity with FastAPI, OpenAI APIs, Baseten, LiteLLM, LiveKit, PostgreSQL, Redis, and S3 is a plus.
• Solid grasp of ML systems architecture, feature engineering, evaluation strategies, and deployment best practices.