Research Engineer, Post-Training Evals

3 Months ago • All levels • Research Development • $185,000 PA - $275,000 PA

Job Summary

Job Description

Lambda is seeking a Research Engineer for Post-Training Evaluations to join their team. This role involves defining and implementing rigorous, reproducible methodologies for the core model evaluation suite, collaborating with post-training researchers to refine models for research and production, and partnering with engineering and product teams to translate research insights into product features. The ideal candidate will be an ML engineer with deep, hands-on experience in model evaluation or post-training, a strong understanding of LLMs and multimodal models, and thrive in collaborative, cross-functional teams. The company offers competitive compensation, equity, health benefits, a 401k plan, and a flexible PTO policy.
Must have:
  • Define and implement model evaluation methodologies
  • Collaborate with researchers to refine models
  • Translate research insights into product features
  • ML Engineer with deep experience in model evaluation
  • Strong understanding of LLMs and multimodal models
  • Thrive in collaborative teams
Good to have:
  • Contributions to open-source projects
  • Publications in top ML conferences
Perks:
  • Generous cash and equity compensation
  • Health, dental, and vision coverage
  • Wellness and Commuter stipends
  • 401k Plan with 2% company match
  • Flexible Paid Time Off Plan

Job Details

Lambda is the #1 GPU Cloud for ML/AI teams training, fine-tuning and inferencing AI models, where engineers can easily, securely and affordably build, test and deploy AI products at scale. Lambda’s product portfolio includes on-prem GPU systems, hosted GPUs across public & private clouds and managed inference services – servicing government, researchers, startups and Enterprises world-wide.


If you'd like to build the world's best deep learning cloud, join us. 

*Note: This position requires presence in our San Francisco office location 4 days per week; Lambda’s designated work from home day is currently Tuesday.

What You’ll Do

  • Define and implement rigorous, reproducible methodologies for our core model evaluation suite.

  • Collaborate with post-training researchers to refine and enhance models for both research and production. 

  • Partner with engineering and product teams to translate research insights into product features.

You 

  • ML engineer with deep, hands-on experience in model evaluation or post-training. 

  • Strong understanding of LLMs and multimodal models.

  • Thrive in collaborative, cross-functional teams.

Nice to Have

  • Contributions to relevant open-source projects.

  • Publications in top ML conferences.   

Salary Range Information 

Based on market data and other factors, the annual salary range for this position is $185,000 to $275,000. However, a salary higher or lower than this range may be appropriate for a candidate whose qualifications differ meaningfully from those listed in the job description.

About Lambda

  • Founded in 2012, ~350 employees (2024) and growing fast

  • We offer generous cash & equity compensation

  • Our investors include Andra Capital, SGW, Andrej Karpathy, ARK Invest, Fincadia Advisors, G Squared, In-Q-Tel (IQT), KHK & Partners, NVIDIA, Pegatron, Supermicro, Wistron, Wiwynn, US Innovative Technology, Gradient Ventures, Mercato Partners, SVB, 1517, Crescent Cove.

  • We are experiencing extremely high demand for our systems, with quarter over quarter, year over year profitability

  • Our research papers have been accepted into top machine learning and graphics conferences, including NeurIPS, ICCV, SIGGRAPH, and TOG

  • Health, dental, and vision coverage for you and your dependents

  • Wellness and Commuter stipends for select roles

  • 401k Plan with 2% company match (USA employees)

  • Flexible Paid Time Off Plan that we all actually use

A Final Note:

You do not need to match all of the listed expectations to apply for this position. We are committed to building a team with a variety of backgrounds, experiences, and skills.

Equal Opportunity Employer

Lambda is an Equal Opportunity employer. Applicants are considered without regard to race, color, religion, creed, national origin, age, sex, gender, marital status, sexual orientation and identity, genetic information, veteran status, citizenship, or any other factors prohibited by local, state, or federal law.

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San Francisco, California, United States (Hybrid)

San Francisco, California, United States (Hybrid)

San Jose, California, United States (Hybrid)

San Jose, California, United States (Hybrid)

San Francisco, California, United States (Hybrid)

San Francisco, California, United States (Hybrid)

San Jose, California, United States (Hybrid)

San Francisco, California, United States (Hybrid)

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