Job Description
Senior Fullstack Developer
(Remote | USD | Contractor)
Mandatory skills:
5+ years of experience as a Fullstack Developer
Strong experience with + TypeScript
Experience building Self-Hosted applications (not only CLI-based apps)
Solid experience developing REST APIs (custom auth, validation, structured logging)
Experience with external databases (Postgres / Supabase / Firebase / SQL / NoSQL)
Scalable backend architecture design
React experience (Admin UI / internal dashboards)
Experience using AI coding tools (Claude Code, Cursor or similar)
Fluent English (C1+)
Responsibilities:
Design and deploy fully self-hosted applications
Manage infrastructure (hosting, networking, security, environment configuration)
Build complex integrations with Wix and other marketplaces
Develop advanced business logic (additional fees, product-based rules, validation flows, file up...
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