
Based in Brazil / Available Worldwide
ÉLCIO M.
FERNANDES_
Crafting robust Full-stack digital experiences.
Download CVSoftware Engineer
Full-stack Focus
Expertise
TECH_
STACK
Powering modern ideas with a scalable ecosystem of world-class technologies.
Frontend
UI/UX & Client-side logic
Backend
Robust APIs & Architecture
Database & Cache
Persistence & Performance
DevOps & Tools
Infrastructure & Scalability
History
CAREER_
PATH
A chronological log of my professional evolution and academic foundations.
Full-stack Developer
Led the architectural transition of legacy systems to React 19 and Vite, significantly improving build performance. Developed high-performance microservices using Node.js and Next.js, integrating Kafka for event-driven communication and Redis for efficient caching. Built secure RESTful APIs with RBAC and JWT authentication, and implemented industrial optimization algorithms using OR-Tools to achieve 100% resource allocation efficiency. Optimized frontend performance using SWR for intelligent caching, ensuring consistency via Docker and CI/CD pipelines.
Software Developer Intern
Engineered Python-based RPA solutions to automate critical financial and commercial workflows, resulting in a 12.5% reduction in execution time. Specialized in the Datasul ERP ecosystem, developing custom reports and technical algorithms using Progress 4GL (ABL) to align with complex industrial requirements.
Support & Integrations Intern
Spearheaded the technical integration of fintech APIs for billing and management via Webhooks, reducing manual operational effort by 90%. Developed an automated FTP-based backup system in Python, optimizing client maintenance time by 3.12% and increasing data reliability.
B.S. in Information Systems
Focusing on software architecture, distributed systems, and modern web development. Expected graduation in December 2026.
Information Technology Technician
Technical foundation in computing, focusing on programming logic and web fundamentals.
Portfolio
FEATURED_
PROJECTS
A selection of my best work, ranging from complex back-end architectures to polished front-end interfaces.

