[Remote] Senior Full-Stack Engineer
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Location
Remote (United States)
Seniority
Senior
Employment
Full-Time
First seen by Alion on Nov 8, 2026.
Overview
Company
Impact
Profile match
Deploy AI agents that resolve 50% of support tickets instantly across chat, voice, WhatsApp, and 50+ channels. No scripts — real reasoning. Set up in one day.
Note: The job is a remote job and is open to candidates in USA. Crystol AI is hiring a Senior Full-Stack Engineer to build and maintain product features across its AI pipeline, customer-facing widget, and dashboard. The role also owns the embed/widget SDK developer experience, collaborates on product direction, and supports code quality through PR reviews.
Responsibilities
- Build and maintain product features end-to-end across Next.js, Convex, and our AI agent layer
- Own the developer experience of our embed/widget SDK
- Collaborate with the founding team to shape product direction
- Review PRs and raise the bar for code quality across the codebase
Skills
- 5+ years of production experience with TypeScript and React
- Strong familiarity with server-side rendering and API design
- Experience shipping and maintaining complex SaaS products
- Comfortable working in a fast-moving, ambiguous early-stage environment
- Experience with Convex, tRPC, or similar real-time data layers
- Prior work on AI/LLM product integration
- Experience building developer tools or SDKs
Benefits
- Remote (US/EU)
Company Overview
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