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Giovanne Henrique Geraldo Colli

@giovannecolli

Argentina

Message

I'm a backend developer with about four years of experience, currently working as an Integration Engineer maintaining around six production integrations between business systems — My core stack is Node.js and TypeScript, with hands-on experience in REST APIs, GraphQL, and workflow automation. I recently relocated from Brazil to Argentina and am actively working toward backend roles at international remote companies, currently deepening my AWS skills and building a portfolio project around event-driven architecture.

Experience

Work history, roles, and key accomplishments

Current

Integration Engineer (IPaaS)

Current

Mindcloud

Apr 2026 - Present (5 months)

Maintained and developed 6 concurrent integrations across business systems, designing scalable workflows within IPaaS platform and API constraints. Diagnosed and resolved a recurring structural limitation in a third-party API integration, eliminating client-reported error tickets for 3+ consecutive weeks following the fix.

IPaaS REST APIs SOAP APIs SQL Data Mapping data transformation Data Validation Data Synchronization Troubleshooting Log Analysis API Integration Workflow Design

Full Stack Developer

Freelance Work

Feb 2025 - Apr 2026 (1 year 2 months)

Built a performance-optimized HTML and CSS application achieving a 100/100 PageSpeed Insights score, and designed a PostgreSQL database schema for guest and event data management. Developed an administrative dashboard using Angular and the Fuse template, implementing internationalization with Transloco and integrating REST APIs with RxJS.

Next.js Angular PostgreSQL HTML CSS Performance Optimization Railway Cloud Infrastructure Fuse Template Transloco i18n REST APIs RxJS

Full Stack Developer

Loma Proteção Veicular

Aug 2022 - Feb 2025 (2 years 6 months)

Designed and implemented backend services in Node.js and TypeScript supporting internal CRM operations and sales automation workflows. Automated lead handling pipelines using scheduled background jobs and developed REST and GraphQL API endpoints for internal and customer-facing services.

TypeScript Angular NodeJS REST APIs GraphQL WebSockets Short Polling Facebook API N8n GitLab CI CD Docker Cron Job

IT Intern

Viação MIMO

Sep 2021 - Aug 2022 (11 months)

Built a JavaScript script to automate trip-completion analysis, applying business rules to classify completed trips from raw operational data and auto-generating the resulting report, reducing analysis time by 40%.

JavaScript NodeJS Automation Data Analysis Reporting