A

Antonio José de Jesus Quental Jr

About

Detail

São Paulo, Brazil
Contact Antonio regarding: 
work
Full-time jobs
Flexible work
groups
Networking

Timeline

work
Job
school
Education
folder
Project

Résumé

Jobs verified_user 0% verified
  • Cisco Meraki
    Business Systems Analyst (Contract)
    Cisco Meraki
    Apr 2024 - Dec 2024 (9 months)
    Directed ERP migration to Cisco infrastructure, mapping 15+ business processes with BPMN and improving reporting accuracy by 20%. Partnered with engineering, finance, and operations teams to streamline integrations, reducing operational disruption by 30%. Delivered SQL- and Jira-based requirements analysis, ensuring 100% data integrity across systems.
  • Nethermind
    Project Manager (Internship)
    Nethermind
    Sep 2023 - Dec 2023 (4 months)
    Developed a strategic product roadmap for Starknet.go SDK using in-depth user and market research. Led a cross-functional team of 5 engineers on ZK-Rollup architecture research, identifying performance bottlenecks. Authored 10+ Ethereum Improvement Proposal (EIP) analyses, influencing product priorities. Accelerated feature delivery by 2 months by translating distributed systems research into clear product requirements.
  • KidzToPros
    Engineering Manager
    KidzToPros
    Jan 2023 - Aug 2023 (8 months)
    Optimized engineering workflows, reducing production failures by 25% and increasing efficiency by 15%. Designed Redis/CDN integration for Next.js/PostgreSQL stack, boosting performance by 20% and reducing AWS costs by 15%. Drove Salesforce-ERP integration enabling data-driven decisions, contributing to 15% organic growth. Mentored and developed a team of 8 engineers/QAs, improving retention and delivery outcomes.
  • Estratégia Educacional
    Technical Project Manager
    Estratégia Educacional
    Jul 2018 - Jul 2022 (4 years 1 month)
    Delivered 15+ product enhancements with a team of 10 engineers, UX, and analysts, increasing student engagement by 20%. Reduced operational costs by 15% through ERP/CRM/payment system integrations and AWS optimization. Migrated Salesforce → Zendesk with 99.9% uptime, boosting support efficiency by 25%. Executed SEO and technical reliability strategy, increasing organic traffic by 30%.
  • SysMap Solutions
    Technical Project Manager
    SysMap Solutions
    Jul 2015 - Jun 2018 (3 years)
    Led large-scale digital transformation, integrating e-commerce and CRM with legacy systems, reducing churn by 15%. Delivered 8+ e-commerce and CRM integrations via hybrid Agile/Waterfall, improving data accuracy by 20%. Provided executive leadership with data-driven insights and project progress reports.
  • H&R Block
    IT Manager
    H&R Block
    Jul 2012 - Jun 2015 (3 years)
    Optimized IT operations across Brazil and India, cutting operational costs by 20% and AWS spend by 15% due to budget management and cost analysis. Delivered a data center relocation with zero downtime while supporting 100+ new hires. Built Python-based KPI dashboards, accelerating strategic decision-making by 25%.
  • CLARO
    System specialist / team coordinator
    CLARO
    Apr 2008 - Jun 2012 (4 years 3 months)
    - Coordinated the provisioning team, accountable for all production deployments across multiple departments.
    - Managed internal customers' business needs end-to-end, from requirement gathering through delivery, approval, and go-live.
    - Partnered with revenue assurance and production support to reduce errors and meet strict SLA requirements.
    - Managed the feedback loop between end-users and engineering after major deployments, prioritizing fixes and refinements during the critical first 3 months until stable operations were confirmed.
  • Ericsson
    telecom system integrator
    Ericsson
    Sep 2006 - Mar 2008 (1 year 7 months)
    - Managed end-to-end service fulfillment and solution deployment across multiple telecom OSS projects.
    - Administered Ericsson Charging System 3.0 node (Minsat) at Claro, ensuring system stability and performance.
    - Coordinated IVR node updates deployment at Claro, minimizing service disruption.
    - Prioritized fixes and refinements during the critical first 3 months after each deployment, managing the stabilization cycle until systems reached steady-state operations.
  • Seal sistemas e tecnologia
    senior software architect / coordinator
    Seal sistemas e tecnologia
    Dec 2003 - Aug 2006 (2 years 9 months)
    - Developed software for automatic data collection with mobile collectors (PalmOS, PocketPC, DOS) for logistics process automation.
    - Implemented RFID middleware in Java, handling architecture, coding, and testing.
    - Built integrations between BSS (ERP, WMS, MRP) and automated data collection systems (barcode, pick-to-light, voice picking, RFID) using NetWeaver.
Education verified_user 0% verified
  • P
    Master's in Business Information Systems
    Pontifícia Universitária Católica
    Jan 2006 - Dec 2007 (2 years)
    Research in RFID-based supply chain optimization. Thesis: Adoption and Implementation of RFID – A Supply Chain Managerial View
Projects (professional or personal) verified_user 0% verified
  • A
    Solana Rust Bootcamp
    Ackee Blockchain
    Apr 2024 - Jun 2024 (3 months)
    3 months of Solana programming in Rust