Fullstack Engineer / Product Mobile Developer (React Native + GenAI)

Senior Fullstack/Product Mobile Developer (React Native + GenAI) at Devhunt. Remote, full-time, 6+ years experience. Build full-cycle features, AI agents, optimize AI, work with media.

Full-cycle development: releasing product features at the intersection of frontend and backend (API, integrations, payment gateways, subscriptions, and web funnels). Agentic AI systems: improving agent logic (user intent recognition, footage selection, montage assembly, contextual dialogue management). AI optimization: improving generation quality, reducing latency and query costs, model orchestration, and benchmarking. Working with media: ensuring fast and fault-tolerant rendering, encoding, streaming, upload, and export of video. Product polish: developing web and mobile interfaces, creating smooth onboarding, and working with product analytics.

Practical fullstack development experience in real B2C/B2B products with a full cycle of bringing features to production. Expertise in one of two key directions: - Media / Video: experience in video/audio applications, video editors, rendering pipelines, codecs, player, or media infrastructure. - AI Agents: experience building agentic systems, Tool Use, context management, and multi-step reasoning chains. Willingness to flexibly switch between UI, server-side, and model infrastructure. Developed product sense, attention to UX/UI details and interface response speed. English at B2+ level for regular interaction in an international distributed team. Project stack: TypeScript, React Native / Expo, Convex, Remotion, E2B, AWS.

Full-time employment. Schedule: 5/2. Work format: remote.