Full-Stack Engineer
Job in
Jacksonville, Duval County, Florida, 32099, USA
Listed on 2026-10-30
Listing for:
Jobs for Humanity
Full Time
position Listed on 2026-10-30
Job specializations:
-
Software Development
Backend Developer, Full Stack Developer, React.js, Front End Developer
Job Description & How to Apply Below
Category: Information Technology
Location: Beirut, Beirut Governorate, Lebanon
Employment Type: Full-time, Mid-Senior Level
Remote: Yes
About the RoleWe're looking for a Full-Stack Engineer to build our web application end-to-end and bring the MVP to life. You'll own the user-facing product and the backend that supports it, working closely with the AI Engineer to weave intelligent, real-time AI interactions into a smooth, reliable experience.
What You’ll Do- Build and ship the web application across frontend and backend, from UI components to APIs and data models
- Design and implement a responsive, real-time conversational interface (React, Web Sockets/SSE)
- Develop backend services: authentication, session management, data persistence, and third‑party integrations
- Integrate AI and multi‑agent services into the product in partnership with the AI Engineer
- Design and maintain databases and API contracts that scale with product complexity
- Own performance, reliability, and security across the stack
- Translate product and design requirements into well‑tested, maintainable features
- Move fast in an early‑stage environment, balancing speed with quality
- 4+ years of full‑stack software engineering experience
- Strong proficiency in Type Script/JavaScript and a modern frontend framework (React preferred)
- Solid backend experience (Node.js, Python, or similar) building and consuming APIs
- Experience designing relational and/or No
SQL data models (PostgreSQL, MongoDB, etc.) - Familiarity with real‑time communication patterns (Web Sockets, SSE) and streaming UIs
- Understanding of authentication, authorization, and secure data handling
- Experience integrating third‑party APIs, ideally including LLM or AI services
- Comfort owning features end‑to‑end with minimal oversight
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