Luma AI · 2 weeks ago
Software Engineer - ML, Creative Optimization Ads
Palo Alto, CA
Full-time
Onsite
Senior Level
5+ years expLuma AI is focused on building multimodal AI to enhance human creativity and capabilities. They are seeking a founding ML Engineer for a new product aimed at AI-powered ad creation, where the candidate will apply advanced machine learning techniques to optimize creative outputs and define the technical architecture of the platform.
Artificial Intelligence (AI)Foundational AIGenerative AIVideoVideo Editing
Hiring Manager
Lorenzo Casanova
Responsibilities
Apply state-of-the-art techniques, including efficient finetuning methods (e.g., LoRA), to finetune vision-language models (VLMs), driving the generation of high-quality, engaging video and image ads
Translate the nuances of what makes an ad effective into quantitative signals that guide our AI models
Define and implement a comprehensive suite of evaluation metrics, including both offline metrics (e.g., FID, CLIP score) and online performance metrics (e.g., CTR, ROAS) to measure ad creative quality, relevance, and performance
Build scalable ML-driven APIs and backend systems for creative optimization, leveraging real-time performance data and feedback loops to continuously improve model output
Design, run, and analyze A/B experiments in a marketplace setting to validate optimization strategies
Qualification
Required
5+ years of hands-on experience in a machine learning or optimization role within the ad space
Hands-on experience with fine-tuning large vision-language models (VLMs) using frameworks like TensorFlow, PyTorch, or JAX
Strong programming skills in Python and experience with distributed computing frameworks
Strong intuition for creative advertising and a passion for understanding both the art and the science behind what makes an ad resonant
Deep understanding of the core metrics advertisers care about (e.g., brand awareness vs. clicks)
Hands-on experience with containerization and orchestration technologies like Docker and Kubernetes, and have deployed and managed models on cloud platforms such as AWS, GCP, or Azure
Preferred
Familiarity with building or applying AI agents
Experience as a founding engineer or working on a 0-to-1 product
Company
Luma AI
Luma AI develops tools that let users generate photorealistic images and videos from text, image, or video prompts.
11-50 employees
H1B Sponsorship
Luma AI 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 (10)
2024 (3)
Funding
Current Stage
Growth StageTotal Funding
$1.06BKey Investors
HUMAINAndreessen HorowitzAmplify Partners
2025-11-19Series C· $900M
2024-12-06Series B· $90M
2024-01-09Series B· $43M
Leadership Team
Amit Jain
Co-Founder
Recent News
2026-01-09
2026-01-06
Company data provided by crunchbase