Celilsemi Sam Erkiner

Full‑stack frontend‑heavy engineer with a strong focus on cross‑platform and hybrid apps: Celilsemi has extensive experience building web, mobile and smartwatch apps (50+ projects), prefers JavaScript/Node and Angular, and has open‑source contributions in the Ionic ecosystem — a clear signal of pragmatic, UI‑focused engineering and hybrid app expertise. erkiner+2

Founder / operator mindset — repeatedly launches and leads early‑stage products: co‑founder/CTO roles (re‑mint, Top Road) and founder roles (BookByt.es, Feather) indicate experience taking products from idea to market, working across product, engineering, and GTM in early startups. ycombinator+2

Active focus on AI tooling and creator monetisation: recent work centers on GPT‑centric tools (Top Road) and blog posts about GPT engineering, demonstrating both domain knowledge in LLMs/Assistants APIs and an interest in making AI monetisable for creators. toproad+2

Sustainability & circular‑commerce interest: led technical work at re‑mint to help brands run official secondhand marketplaces and convert resale into new sales, reflecting an overlap of ecommerce, sustainability, and product design. aventure+1