Archived on
OA
Onefish AI is hiring a
AI Fullstack Engineer
About Onefish AI
Onefish AI is building a revolutionary offline-first Progressive Web App (PWA) to deliver AI consulting to small and medium-sized enterprises (SMEs). They are disrupting the AI consulting market by providing robust, game-like AI tools that are 100% functional offline, boosting efficiency and cutting waste for real-world businesses. Their unique hybrid architecture combines browser-based Python execution (Pyodide) with intelligent cloud routing to empower businesses where connectivity is a challenge.
Job Description
Onefish AI is looking for a Founding AI Fullstack Engineer to own and build their core hybrid architecture from the ground up. This involves cutting-edge R&D (multi-agent AI systems, browser ML), advanced engineering (offline PWAs, Pyodide, Go/FastAPI routing), and direct business impact (building solutions that solve immediate SME problems). The ideal candidate will be an expert in Python (specifically for single-source browser + cloud runtimes) and have deep experience with Svelte, Pyodide, FastAPI, Go, PostgreSQL, and Docker. Responsibilities include PWA Service Worker architecture, data synchronization, multi-agent LLM design, and model optimization for offline performance. This role offers a Lead Engineer → CTO trajectory.Location
San Diego, CA
Salary
80K
to
300K
Benefits
Competitive equity with a path to $300K+ total compensation based on technical contribution and business performance.
Tech Tags
DockerFastapiGoPostgreSQLPyodidePythonSvelte
Equity Offered
Senior Role
Date Listed
03 November, 2025 (7 months ago)
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