🌎 Brazil
📧 erislandiosoares21@gmail.com
💼 https://linkedin.com/in/erislandio
💻 https://github.com/erislandio

Senior Full-Stack Engineer with 5+ years of experience building scalable digital products, e-commerce platforms, and distributed systems.

I specialize in end-to-end application development, combining modern frontend technologies with scalable backend architectures and cloud infrastructure.

My experience includes building high-performance applications using:

• React / Next.js
• Node.js
• Java
• Python
• Golang
• GraphQL
• Cloud Infrastructure

I enjoy solving complex engineering problems and building systems that are reliable, scalable, and impactful.

Design and development of modern web applications across frontend and backend layers.

Building scalable APIs using GraphQL and REST with clean service architectures.

Extensive experience with VTEX and VTEX IO, delivering storefronts, integrations, and commerce solutions.

Designing backend services that power large-scale digital platforms.

Mentoring developers, performing code reviews, and guiding engineering teams.

Leading the NCR Angola project, a platform designed to solve delivery and addressing challenges in regions without standardized address systems.

Key contributions:

• Designed an interactive map-based addressing system
• Defined system architecture and technical strategy
• Led engineering efforts and conducted code reviews
• Built geolocation-driven logistics workflows

Tech

React • Node.js • TypeScript • GraphQL • Docker • Maps APIs

Developed large-scale e-commerce solutions using VTEX IO, building modern storefronts and scalable backend services.

Key contributions:

• Custom GraphQL APIs for commerce workflows
• Backend services supporting digital product operations
• Advanced React storefront customization
• Integration across commerce systems

Tech

React • Node.js • GraphQL • TypeScript • VTEX IO

Built global e-commerce solutions for Corsair, a leading gaming hardware brand.

Key contributions:

• React and Next.js frontend development
• GraphQL API integrations
• Reusable component libraries
• Performance optimization

Worked on logistics and freight systems powering Magazine Luiza's large-scale e-commerce platform.

Key contributions:

• Microservices for freight calculation
• Backend logistics integrations
• Distributed system architecture

Tech

Java • Python • Golang • Docker • MySQL

Developed custom VTEX IO storefronts and digital commerce experiences.

Key contributions:

• Custom e-commerce stores
• Payment and logistics integrations
• Frontend performance optimization

A geolocation-based addressing system designed to enable reliable deliveries in regions without formal address infrastructure.

Tech:
React • Node.js • GraphQL • Maps APIs

Advanced product configurator for customized product dimensions and purchase flows.

Tech:
React • VTEX IO • Node.js • GraphQL

Frontend architecture for a global e-commerce platform serving millions of users.

Tech:
React • Next.js • GraphQL

Mobile-first scheduling platform for barbershops.

Tech:
React Native • Node.js • MongoDB

✔ Technical Leadership
✔ System Architecture
✔ Code Review & Engineering Standards
✔ API Design & Integration
✔ Scalable Backend Systems
✔ E-commerce Domain Expertise

📧 erislandiosoares21@gmail.com
💼 https://linkedin.com/in/erislandio
💻 https://github.com/erislandio

⭐ If you like my work, feel free to connect or collaborate!