Skip to content
ExtendExtend

Founding ML Engineer

Builds state-of-the-art vision models and novel LLM techniques for document processing infrastructure. Monitors production models, runs experiments, and owns large product areas in a high-impact founding role.

About the job

Responsibilities

  • Training and deploying SOTA vision models for document processing
  • Design novel LLM techniques for increasing the complexity of use cases and data streams that Extend can be applied to
  • Monitor existing models in production, understand what’s working well (and what isn’t), and run experiments to solve those issues
  • Have complete ownership over the work you do — as a founding team member, you’ll have the opportunity to truly own large areas of product and engineering and have direct relationship with customers
  • Work directly with the CEO, CTO, and other founding members and help build out our team

Benefits

  • Insurance - 90% health insurance premium coverage
  • Relocation - for candidates based outside of NYC
  • Unlimited PTO policy
  • Daily lunch & snacks covered (plus dinner if you're in the office late)
  • Unlimited token / tooling access
  • Learning and development investment

Skills

Machine Learning, Computer Vision, LLMs, PyTorch, Transformers, Model Training, Model Deployment, Production Monitoring, Vision Models

ClickUp

ClickUp

United States

Machine Learning Engineer, Ranking & Retrieval
$200k+/yrRemote5+ YOEML Engineering

Build and operate large-scale ranking and retrieval systems that power search relevance, including hybrid lexical/vector search, embeddings, query understanding, and permission-aware retrieval. Requires a bachelor's degree and 5+ years of ML engineering experience in ranking or information retrieval.

Atomicmachines

Atomicmachines

Emeryville, CA

MLOps Engineer
$200k+/yrOn-site5+ YOEML Engineering

Build and operate production ML infrastructure spanning training, deployment, serving, monitoring, data pipelines, and feedback-driven retraining. The role requires strong MLOps and DevOps experience, Python and SQL proficiency, and ownership of reliable cloud-based systems.

Tessera Labs

Tessera Labs

San Jose, CA
Research Engineer
$200k+/yrOn-siteML Engineering

Build and scale post-training, reinforcement-learning, evaluation, and inference systems for long-horizon agents operating over complex enterprise software. The role requires strong Python and PyTorch or JAX skills, distributed GPU experience, empirical rigor, and the ability to take research results into production.

Tessera Labs

Tessera Labs

San Jose, CA
AI Engineer
$200k+/yrHybrid3+ YOEML Engineering

Build and operate production AI agents that transform enterprise processes, data, and code. The role focuses on tool layers, retrieval, context management, evaluations, monitoring, auditability, and guardrails, requiring strong Python and TypeScript plus experience with production LLM systems and traditional machine learning.

Confido

Confido

New York, NY

Applied AI/ML Engineer
$200k+/yrOn-site5+ YOEML Engineering

Build and productionize applied AI/ML systems for document understanding, agentic workflows, and demand forecasting using rich, messy enterprise data. The role requires 3+ years of production AI/ML experience, strong evaluation and monitoring practices, and a STEM master’s degree.