Postman · 3 months ago
Applied AI Scientist, Small Language Model and AI Training
San Francisco, California, United States
Full-time
Hybrid
Senior Level
$250K/yr - $276K/yrPostman is the world’s leading API platform, used by millions of developers and organizations globally. The Applied AI Scientist will lead research and development of small language models and AI training, collaborating with cross-functional teams to optimize model training techniques and ensure AI safety and fairness.
Developer APIsDeveloper ToolsEnterprise SoftwareSaaS
Responsibilities
Lead research and development of novel training methodologies and architectures for small and efficient language models
Design, implement, and evaluate model training experiments to improve performance, robustness, and generalization of language models
Collaborate closely with research scientists and engineers on scalable training pipelines and model deployment strategies
Develop techniques for model compression, fine-tuning, and domain adaptation to optimize models for real-world applications
Ensure AI safety, fairness, and alignment principles are integrated into model training processes and evaluated rigorously
Mentor and support cross-functional teams on applied machine learning methods and best practices
Evaluate and integrate new tools, frameworks, and datasets to accelerate AI training workflows
Partner with product teams to translate model capabilities into actionable features aligned with user needs and ethical standards
Qualification
Required
Have demonstrated experience in applied research or engineering roles focused on training language models, ideally small or efficient models
Strong programming skills in Python and familiarity with machine learning frameworks such as PyTorch, TensorFlow, or JAX
Deep understanding of language model architectures, training techniques, and optimization strategies
Experience with distributed training, data pipeline design, and scalable AI infrastructure
Passion for AI safety, interpretability, and delivering user-centered AI technology
Excellent communication skills with proven ability to collaborate across research, engineering, and product teams
Preferred
Prior experience working with large and small language models in production or research settings
Background in reinforcement learning, prompt engineering, or transfer learning techniques
Experience with developer tools, APIs, or frameworks related to AI model integration and delivery
Knowledge of AI alignment, fairness, and ethical AI training methodologies
Benefits
Full medical coverage
Flexible PTO
Wellness reimbursement
Monthly lunch stipend
Wellness programs
Frequent and fascinating team-building events
Donation-matching program
Company
Postman
Postman is a software company that offers a platform for the users to design, develop, test, and organize custom APIs.
Founded in 2014
501-1000 employees
H1B Sponsorship
Postman has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (22)
2024 (6)
2023 (4)
2022 (5)
2021 (2)
2020 (1)
Funding
Current Stage
Late StageTotal Funding
$433MKey Investors
Insight PartnersCRVNexus Venture Partners
2021-08-18Series D· $225M
2020-06-11Series C· $150M
2019-06-19Series B· $50M
Leadership Team
Abhinav Asthana
Founder and CEO
Abhijit Kane
Co-Founder
Recent News
2026-01-11
2026-01-09
2026-01-09
Company data provided by crunchbase