Fastino · 2 months ago
Research Engineer
United States
Full-time
Remote
Senior Level
5+ years expFastino is a startup focused on developing the next generation of LLMs and agentic systems, backed by prominent investors like Microsoft and Khosla Ventures. The Research Engineer will collaborate with founders to guide research direction, innovate on model architecture, and contribute to the development of scalable AI systems.
Artificial Intelligence (AI)Software
Responsibilities
Steer Fastino model architecture and pre-training, innovating on next generation small models
In parallel, drive research around next generation agent design, focusing on agentic personalization and proactivity
Build data pipelines and evaluation frameworks to validate model and agent performance and behavior
Publish research findings in academic journals, conferences, and blog posts
Work closely with the engineering team to architect and design scalable agentic systems that serve millions of users
Work closely with the Fastino founders to drive Fastino research direction
Contribute to external publication efforts as appropriate; staying current with state-of-the-art in LLMs, agents, RL, planning, etc and publish research findings in academic journals, conferences, and blog posts
Qualification
Required
5+ years of professional engineering or research experience
Ph.D. or Master's degree in Computer Science, Machine Learning, AI, or related field
Deep understanding of frontier models (autoregressive, diffusion), post-training (SFT, RLVR, RLAIF, RLHF, et al.), and their human data requirements
Proficient in Python, data science libraries and deep learning frameworks (e.g., PyTorch, JAX, TensorFlow)
Track record of publications in top-tier AI/ML venues (e.g., ACL, EMNLP, NAACL, NeurIPS, ICML, ICLR, etc.)
Benefits
Competitive salary
Stock options
Health benefits
And more
Company
Fastino
Fastino enable developers everywhere to do more with AI.
11-50 employees
H1B Sponsorship
Fastino 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 (2)
Funding
Current Stage
Early StageTotal Funding
$24.5MKey Investors
Dropbox VenturesKhosla Ventures
2025-07-03Seed
2025-05-07Seed· $17.5M
2024-11-12Pre Seed· $7M
Leadership Team
Ash Lewis
CEO & co-founder
George Maloney
Co-Founder & COO
Company data provided by crunchbase