Founding ML Engineer — Build Production AI from Scratch

Clera; Mountain View (CA); On-site; USD 220,000 - 300,000; Full time

Job summary

Clera in Mountain View, CA is seeking a founding-level ML Engineer to build core machine learning systems from scratch. You’ll bridge research and engineering to design, train, and ship production-grade models that power frontier AI labs.

You’ll influence technical culture and infrastructure from day one, collaborating with a small, high-ownership team to deliver end-to-end ML solutions and scalable systems in a fast-growing startup environment.

Qualifications

• 3–10 years of experience as an ML Engineer, Applied Scientist, or Research Engineer.
• Proficiency in Python and ML frameworks: PyTorch, TensorFlow, or JAX.
• Strong grasp of ML fundamentals—data preprocessing, feature engineering, model training, and optimization.
• Hands-on experience with distributed systems and cloud ML infrastructure (AWS, GCP, or Azure).
• Familiarity with MLOps tooling such as Weights & Biases or MLflow.
• Comfort working with large datasets and high-throughput systems.
• A bias for action, ability to work autonomously, and enthusiasm for building from scratch.

Responsibilities

• Build and optimize end-to-end ML pipelines, from data ingestion through deployment.
• Implement and fine-tune LLMs, embeddings, and generative models for real-world applications.
• Develop efficient training and inference systems leveraging distributed compute.
• Partner with data and product teams to translate ideas into measurable ML impact.
• Contribute to model monitoring, evaluation, and continual learning frameworks.
• Establish best practices in model versioning, reproducibility, and scalability.

Skills

Python

PyTorch

TensorFlow

JAX

Distributed systems

AWS

GCP

Azure

Weights & Biases

MLflow

Large datasets

Tools

Weights & Biases

MLflow

Docker

Job description

Clera in Mountain View, CA is seeking a founding-level ML Engineer to build core machine learning systems from scratch. You’ll bridge research and engineering to design, train, and ship production-grade models that power frontier AI labs.

You’ll influence technical culture and infrastructure from day one, collaborating with a small, high-ownership team to deliver end-to-end ML solutions and scalable systems in a fast-growing startup environment.