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Sekai

AI-powered interactive platform for creating and playing mini-apps.

a16z Speedrun — Backed by a16z Speedrun
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sekaiapp.com ↗
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Company facts

Founded
2024
Employees
20
Headquarters
United States
Type
Private
Funding
Series A · $30M · 2026

Open positions

6 jobs
Sekai Backed by a16z Speedrun
17 views last week

Senior Machine Learning Engineer, Recommendation

Open 128d RemoteNorth AmericaSenior
United States

Senior ML engineer owning search and recommendation systems (retrieval, ranking, embeddings, experimentation) for Sekai, an AI-driven consumer social app for creating and playing mini apps. Day to day: build feed/discovery/search models, run experiments, and improve engagement and retention.

AI Android Data Pipelines iOS LLM +5 skills
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Sekai Backed by a16z Speedrun
28 views last week

AI Product Engineer

Open 128d RemoteNorth America
United States

Product engineer at Sekai, a Series A AI-driven consumer social platform for creating, remixing, and playing mini apps. Ships new features end-to-end across frontend and backend, fixes production issues, and uses AI coding tools heavily in daily development.

AI Android iOS Next.js Prototyping +2 skills
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Sekai Backed by a16z Speedrun
16 views 2 months ago

Senior Android Engineer

Open 128d RemoteNorth AmericaSenior
United States

Senior Android Engineer to build and own Sekai's native Android foundation — app shell, architecture, release reliability, and hybrid integrations with React Native, Flutter, and WebView — for a consumer 'TikTok for mini apps' platform. Core stack: Kotlin, Android SDK, Jetpack Compose.

AI Amplitude Analytics Android Automation +20 skills
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Sekai Backed by a16z Speedrun
11 views 4 months ago

Founding iOS Engineer

Open 110d RemoteNorth AmericaSenior
United States

Sekai is building the TikTok for mini apps — an AI-driven consumer platform where people create, remix, share, and play interactive content instantly. We are a Series A company backed by Khosla, a16z and Mayfield, with…

AI Android Flutter iOS React +3 skills
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Sekai Backed by a16z Speedrun
13 views 6 months ago

AI Product Manager

Open 128d RemoteNorth America
United States

Sekai is building the TikTok for mini apps — an AI-driven consumer platform where people create, remix, share, and play interactive content instantly. We are a Series A company backed by Khosla, a16z and Mayfield, with…

AI Amplitude Analytics Android BigQuery +8 skills
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Sekai Backed by a16z Speedrun
13 views 6 months ago

AI Agent Engineer (Coding Agent)

Open 128d RemoteNorth America
United States

Sekai is building the TikTok for mini apps — an AI-driven consumer platform where people create, remix, share, and play interactive content instantly. We are a Series A company backed by Khosla, a16z and Mayfield, with…

Agentic AI AI Android API Fine Tuning +9 skills
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