3 days ago
San Mateo, CA, USAMid Level
H1B sponsor
Base Salary
$179k - $222k/yr
Responsibilities
- Build autonomous creative-generation systems that improve using live campaign performance.
- Develop an ML research agent to accelerate work for Applied Scientists.
- Convert creative performance and developer feedback into training data.
- Own projects from problem definition and success metrics through production deployment and iteration.
- Design evaluation criteria, labeling guidelines, annotation processes, and measurement systems.
- Build and contribute to open-source GenAI tools, training frameworks, and agent harnesses.
- Partner with Applied Scientists, Product, and Engineering to productionize prototypes.
Requirements
- At least 2 years of experience building production GenAI systems.
- Strong understanding of LLM and diffusion model architectures.
- Expertise building agents and agent harnesses.
- Experience designing evaluations from scratch, including labeling guidelines and annotator collaboration.
- Hands-on experience fine-tuning LLMs or diffusion models with PPO, GRPO, DPO, or similar techniques.
- Experience building ANN-based and knowledge-graph-based retrieval systems.
- Experience with no-train optimization techniques and frameworks such as DSPy.
- Expertise in Python.
- Bachelor’s or master’s degree in computer science, machine learning, or a related field, or equivalent practical experience.
- Preferred experience with the advertising ecosystem, including OpenRTB, SSPs, DSPs, ad exchanges, and MMPs.
- Preferred open-source GenAI contributions, public work in LLMs, diffusion models, reinforcement learning, or agents, and experience with large-scale GPU training, distributed training, inference optimization, coding agents, or developer tools.
Benefits
- On-site work at the San Mateo, California office.
- Competitive salary and ESOP grant where applicable.
- Medical, dental, and vision insurance with company-matched HSA.
- 401(k) company match.
- Vacation time, sick days, special occasion time, and company-wide holidays.
- Maternity and paternity leave benefits.
- Flexible working hours.
- Wellness stipend.
- Free daily lunch in company offices.
- Pet-friendly workplace and pet insurance policy.
- Employee Assistance Program.
Tech Stack
Categories
About InMobi
InMobi builds a mobile advertising and consumer engagement platform for advertisers and publishers and operates Glance, a lock‑screen content and commerce service. It sells programmatic ad buying, monetization tools, and AI-driven personalization across apps, TVs, and the open web. Founded in 2007 and headquartered in Singapore, its ad network reaches over 2 billion people in 150+ countries and serves more than 30,000 brands.