Mosaic Verified
SaaS, Financial Software, HR Tech, Business Intelligence, Enterprise Software
Full Stack Engineering Internship (Winter / Summer 2026)
San Francisco, California, United StatesOnsiteInternshipJunior / Entry-level$4,999–$8,500 /yrPosted 2 months agoVisa sponsorship availableHidden Gem · YC Startup
Role summary
This is a Full Stack Engineering Internship for Winter/Summer 2026. Interns will work on accelerating the development of core agentic video editing paradigms, building scalable pipelines for video processing and inference, creating evaluations, and contributing to high-level design and product decisions. The role seeks individuals with strong software engineering skills, preferably with applied AI experience, who enjoy solving hard technical challenges from first principles. Previous founding or startup experience, along with strong analytical and communication skills, are also desired.
**What You’ll Do**
As an intern, you will be working to accelerate the development of our core agentic video editing paradigm.
Other work will include building scaleable pipelines around video processing and inference, creating thoughtful evals, and helping to make high-level design and product decisions.
**What we’re looking for**
If you like to solve hard technical challenges from first-principles thinking, you’re a right fit for this role. We’re looking for interns with:
* Previous founding or startup experience
* Strong analytical and communication skills
* Strong software engineering skills (preferably also applied AI experience)
As an intern, you will be working to accelerate the development of our core agentic video editing paradigm.
Other work will include building scaleable pipelines around video processing and inference, creating thoughtful evals, and helping to make high-level design and product decisions.
**What we’re looking for**
If you like to solve hard technical challenges from first-principles thinking, you’re a right fit for this role. We’re looking for interns with:
* Previous founding or startup experience
* Strong analytical and communication skills
* Strong software engineering skills (preferably also applied AI experience)