I'm Davi Batista, a Brazilian Software Architect and Full-Stack Engineer specialized in back-end architecture, security engineering, system design and large-scale integrations.
I help transform business requirements into reliable software through architecture, technical governance, documentation, security-first engineering and scalable system design.
My interests include software architecture, distributed systems, cryptography, low-level computing, system design, technical governance and software engineering fundamentals.
Currently:
- 🚀 Technical Lead @ Synko Design Agency
- 🏗️ Building software focused on reliability, maintainability and long-term scalability
- Architecture before implementation
- Security by design
- Documentation as a first-class asset
- Performance through measurement
- Systems built for maintainability
- Automation over repetition
- 📚 Authored 300+ pages of architecture and business documentation before implementation.
- 🏗️ Designed enterprise-grade systems using DDD, SOLID, Clean Architecture and high test coverage.
- 🏢 Designed architecture and technical foundations for platforms integrating payment, logistics, KYC, geolocation and product intelligence services.
- ⚡ Reduced API response times by up to 80% through caching and performance optimization strategies.
- 🔐 Implemented security-first architectures using encryption, secure identifiers, vulnerability mitigation and OWASP-oriented practices.
- 🔎 Eliminated 90+ dependency vulnerabilities through secure upgrade strategies and automated monitoring.
- 🌎 Integrated payment, KYC, geolocation, logistics, product catalog and governmental services.
- 📱 Developed web and mobile solutions, including barcode scanning, logistics calculations and third-party service integrations.
- 📖 Built documentation workflows using Markdown, Swagger, BPMN, DBML and C4 modeling.
- 🧪 Applied TDD, automated testing and CI/CD practices to improve reliability and maintainability.
- 🏆 2nd Place — OneBitCode Challenge.
- 🏆 3rd Place — OneBitCode Hackathon.
- 🏆 Honorable Mention — OneBitCode Challenge.
Projects and initiatives involving:
🇳🇱 Unilever
⛽ Petrobras (VIBRA Energia)
💊 Novo Nordisk
💊 Boehringer Ingelheim
🍫 Ferrero
📱 Vivo
- 🚀 Synko Design Agency — Technical Lead
- 🏢 Monétiser Technologies — Former CTO & Full-Stack Engineer
- ⚙️ Corabyte Tech — Former Tech Lead & Full-Stack Engineer
- 📣 Mandarin Agency — Project Management, QA & Software Engineering
- AES-256, RSA, Argon2 and BCrypt
- OWASP-oriented development
- Secure identifiers (CUID/CUID2)
- Rate limiting and abuse prevention
- HTTPS, BIMI and DMARC implementation
- Dependency vulnerability management
- Data protection and encryption workflows
- Software Architecture
- Back-end Engineering
- Security Engineering
- System Design
- API Integrations
- Technical Documentation
- Performance Optimization
- Technical Leadership
- Distributed Systems
- Technical Governance
