ML Engineer

Haystack
San Diego, California, United StatesFull-timePosted Aug 31, 2026

About the role

We're hiring on behalf of a Haystack partner!

The Role

Conduct cutting-edge research in efficient generative AI, including LLMs, Multi-Modal Foundation Models, LLM Reasoning, Reinforcement Learning, Agentic AI, and Autonomy.

Lead high-impact research initiatives and contribute to the development of production-ready solutions with real-world commercial impact.

Develop creative solutions that address practical challenges for on-device deployment.

Implement and evaluate solutions in both simulation and on-device environments.

Publish research findings in top-tier AI/ML conferences.

Contribute to strategic goals in efficient AI and embedded intelligence.

What You'll Need

Proven research excellence demonstrated by publications in top-tier AI/ML conferences (e.g., NeurIPS, ICML, ICLR, CVPR, ICCV, ACL, EMNLP).

Deep expertise in Generative AI, Multi-Modal Foundation models, Vision Language Models, Reasoning, Reinforcement Learning, and Agentic AI.

Hands-on experience with model development pipelines, including training, fine-tuning, evaluation, and optimization.

A Master's degree and 2+ years of related work experience, or a PhD in Computer Science, Electrical Engineering, or a related field.

Experience in developing and/or optimizing machine learning models, systems, platforms, or methods.

What's On Offer

The opportunity to be part of a globally recognized AI research organization.

Engage in impactful projects with significant real-world deployment.

Collaborate with top researchers within a global network.

Thrive in an inclusive and innovation-driven work environment.

Competitive salary, annual discretionary bonus program, and opportunity for RSU grants.

Apply via Haystack today!

Responsibilities

  • Conduct cutting-edge research in efficient generative AI
  • Lead high-impact research initiatives
  • Develop creative solutions for on-device deployment
  • Implement and evaluate solutions in simulation and on-device environments
  • Publish research findings in top-tier AI/ML conferences
  • Contribute to strategic goals in efficient AI and embedded intelligence

Qualifications

  • Proven research excellence with publications in top-tier AI/ML conferences
  • Deep expertise in Generative AI and related fields
  • Hands-on experience with model development pipelines
  • A Master's degree and 2+ years of related work experience, or a PhD in a related field
  • Experience in developing and/or optimizing machine learning models

Benefits

  • Opportunity to be part of a globally recognized AI research organization
  • Engage in impactful projects with significant real-world deployment
  • Collaborate with top researchers within a global network
  • Thrive in an inclusive and innovation-driven work environment
  • Competitive salary and annual discretionary bonus program

Skills mentioned

Generative AILarge Language ModelsTransformersFine-TuningReinforcement LearningAI AgentsModel EvaluationModel DeploymentComputer VisionEmbedded Systems

About Haystack

Haystack combines AI & expert vetting to deliver world-class tech candidates who are engaged, aligned, and ready to interview. We're trusted by over 400,000+ tech candidates, working in Software Engineering, Data, Design, DevOps, Cloud, Tech Management, Testing, Product & Delivery, Architecture and more. 100s of employers from startups and scale-ups like Atom Bank, DuckDuckGo and Goodlord to established enterprises like American Express, Dunelm and AWS use Haystack to connect with qualified tech talent that they can't find anywhere else.

Technology51-200 employeesNewcastle upon Tyne, England