Remote from the EU | Relocation to New York available
Full‑time | Equity + Visa sponsorship
Y Combinator–backed AI startup based in New York that is transforming how SaaS companies deliver product demos.
The Role
Founding Full Stack Engineer
A technically exceptional candidate with outstanding academic background, experience in top-tier companies, and a passion for building product from scratch.
January 2026 (flexible and negotiable)
Responsibilities
* Build end-to-end features from frontend components to backend services
* Develop high‑performance APIs using Python and FastAPI
* Work on LLM‑based workflows, prompt engineering, and AI integrations
* Deploy, monitor, and maintain production code
* Take technical decisions and own what you build
* Iterate quickly based on real user feedback
Requirements
* Proven experience as a Full Stack Engineer
* Strong proficiency in Python, preferably using FastAPI
* Solid experience in web technologies such as React, Redux, and async patterns
* Redis or Supabase experience is a plus
* Comfort with cloud infrastructure (AWS / GCP / Azure)
* CI/CD pipelines and DevOps basics
* Attention to user experience and clean code
Nice to Have
* Experience working with LLMs and AI-powered features
* Knowledge of UI / UX
* Experience in early‑stage startups
* Strong academic performance and background in high‑bar technical environments
What They Offer
* Meaningful equity from day one
* A high‑impact, high‑ownership role with full visibility
* Relocation to New York with full visa sponsorship and legal support
* Technical talent, autonomy, and innovation
* The opportunity to build and scale a product from its earliest stage
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