DevSkin - IT Consulting

Senior Full Stack Engineer

December 2021 - November 2023 (2 years)

As a Full-Stack JavaScript Developer, I worked extensively with Node.js (Express) and React, delivering scalable and high-performing web applications.

Backend Development

On the backend, I specialized in building robust APIs and integrating third-party systems, including:

Payment Processing

• Stripe and Kiwify for seamless payment processing

Communication Integration

• Evolution API to enable WhatsApp integration, enhancing customer communication

AI-Driven Solutions

• OpenAI to develop an AI-driven customer service system where clients interacted via WhatsApp, and AI assistants resolved queries and provided sales-related feedback

Frontend Development

On the frontend, I leveraged React and key ecosystem libraries such as:

• React Query for efficient server state management
• Zustand for lightweight and intuitive state management
• React Flow for building dynamic and interactive flow-based interfaces

Impact & Collaboration

This role required close collaboration with cross-functional teams to ensure seamless user experiences and robust backend integrations. My contributions helped optimize customer support workflows and improve overall platform efficiency.

Key Technologies

• Backend: Node.js, Express
• Frontend: React, React Query, Zustand, React Flow
• Integrations: Stripe, Kiwify, Evolution API, OpenAI
• Focus: Payment processing, AI customer service, workflow optimization