Professional Experience

Software Architect

AliareNovember 2021 - Present (4 years 4 months) • Cascavel, PR
  • Event-Driven Architecture & Massive Data Processing: Architected and implemented an Event-Driven Architecture for high-throughput, asynchronous data processing within the Clover CRM ecosystem, decoupling synchronous bottlenecks and boosting overall system scalability and resilience.
  • Identity, OAuth 2.0 Modernization & Zero-Trust Security: Spearheaded the deprecation of legacy OAuth 2.0 ROPC flows by implementing modern OpenID Connect with PKCE (SHA-256) for Web clients and Client Credentials (M2M) for background services. Designed cross-platform identity federation and unified SSO with the Aliare Platform.
  • Application Security Governance (OWASP MASVS & ASVS Compliance): Conducted comprehensive security assessments and compliance audits for mobile applications (Android/iOS) adhering to OWASP MASVS, alongside ASVS infrastructure verification for Clover CRED. Authored technical architectural RFCs on MFA/2FA delegation, perimeter rate limiting/DoS mitigation, and LGPD/GDPR Privacy-by-Design in JWT payloads.
  • Distributed Offline Synchronization & Concurrency Engineering: Resolved critical distributed concurrency anomalies within mobile offline/online data synchronization engines, ensuring transactional integrity and high availability.
  • Observability & Health Monitoring: Standardized health check probes (liveness and readiness) across microservices and background workers.

Senior Systems Analyst

AliareSeptember 2021 - November 2021 (3 months) • Cascavel, PR
  • Architected and delivered high-performance cross-platform .NET solutions, resolving complex, mission-critical workflows within tight delivery cycles.
  • Significantly reduced technical debt via strategic refactoring and legacy architecture modernization, utilizing EF Core migrations (PostgreSQL/SQLite) to scale data access. Built a proprietary internal tool for SQLite migration automation, eliminating manual DDL script writing across the engineering team.
  • Actively implemented advanced architectural design patterns and SOLID practices to drive modularity, testability, and code maintainability.

Lead Systems Analyst

DatacoperJanuary 2011 - September 2021 (10 years 9 months) • Cascavel, PR
  • Managed and technically led an agile squad (5 engineers, 3 QAs), successfully delivering core ERP capabilities to over 30 major enterprise agribusiness clients across Brazil.
  • Architected and scaled highly complex on-premise ERP deployments for leading cooperatives, agro-industries, and grain traders, ensuring uninterrupted mission-critical operations.
  • Pioneered the introduction of cross-platform mobile technologies (Xamarin), designing and launching the company's first native iOS and Android applications integrated in real-time with the core ERP.
  • Engineered a robust Data Warehouse (PostgreSQL) with Java/NetBeans data integration, consolidating the data ecosystem and unlocking Business Intelligence (BI) capabilities for C-level executives.
  • Developed dynamic, responsive web applications using C# .NET and JavaScript, optimized for enterprise scale and performance.
  • Developed complex data integration services (Java/NetBeans) to establish robust interoperability across the AgTech software ecosystem.

Junior Developer

COODETECSeptember 2008 - January 2011 (2 years 5 months) • Cascavel, PR
  • Built and optimized crucial ERP and decision-support systems using Delphi, Java, and ASP, driving efficiency across agricultural research processes.
  • Delivered tailor-made software solutions that drastically automated and accelerated the operational workflows of field and laboratory teams.

Professor

UNIPANMarch 2009 - November 2009 (9 months) • Cascavel, PR
  • Taught Algorithms and Data Structures I for the Computer Science program, shaping the logical foundation of new software developers.
  • Developed comprehensive curricula, delivering theoretical lectures and practical labs focused on solving complex problems through structured code.

Web Developer

FluxoMay 2006 - August 2008 (2 years 4 months) • Pato Branco, PR
  • Developed and scaled dynamic Full-Stack web applications (PHP/MySQL) driven by conversion and usability.
  • Led technical SEO strategies, executing advanced architectural and performance optimizations that significantly boosted clients' organic traffic and search engine indexing.

Web Developer

BoxBTMay 2004 - January 2005 (9 months)
  • Designed and deployed custom websites and web applications, ensuring tight alignment with clients' specific business objectives.
  • Demonstrated technical proactivity by diagnosing a severe client SPAM attack, successfully engineering and deploying a proprietary human verification (CAPTCHA) system for webmail.

Academic Education

Bachelor in Computer Science

State University of Western Paraná (UNIOESTE)

2003 - 2007

Personal Projects

tetri.net

Personal digital ecosystem and portfolio designed to amplify personal brand and share technical leadership through software engineering articles.

WebPortfolio

blog.tetri.net

Technical publishing platform for deep-dive dissemination of software architecture, Clean Code, and innovation in the .NET ecosystem.

BlogWriting

culinar.ia

AI-powered smart culinary assistant (GenAI). Optimizes meal planning by suggesting dynamic recipes based on available ingredients.

AIProduct

Agro Directory

The Brazilian Agribusiness Directory. Find suppliers, machinery, inputs, and rural services across Brazil.

AgTechB2B

VEX

Comprehensive vehicle expense manager. Tracks costs for fuel, tolls, insurance, and taxes, while forecasting preventive maintenance and calculating the total cost of ownership.

LogisticsManagement

Meditai.org

Daily meditations on the Word of God. Quick, accessible reading with integrated Bible.

ReligionApp