// Full Stack Developer & Software Architect
Ilton Seixas
Full Stack Developer with 10+ years of experience building robust, scalable, high-performance web systems. Delivering complete solutions from front-end to infrastructure, focused on performance, security, and clean architecture.
About me
Full Stack Developer with 10+ years of experience designing and building robust, scalable, high-performance web systems. Operating as a sole proprietor since 2014, delivering complete solutions covering development, infrastructure and hosting for clients across multiple industries, with focus on performance, security and scalability.
Guided by software engineering best practices (Clean Architecture, DDD, TDD, Design Patterns and OWASP Top 10), and using AI tools like Claude Code to accelerate delivery while preserving rigor in code quality, reviews and security standards.
Tech Stack
Professional Journey
- › End-to-end design, development and maintenance of full stack web applications, from front-end to infrastructure, with full ownership of delivery.
- › Provisioning and operating infrastructure on Cloudflare, AWS and Oracle Cloud, focused on performance, security and scalability.
- › Implementation of REST and GraphQL APIs, microservices, and serverless/edge applications with automated CI/CD pipelines.
- › Hosting, monitoring and hardening of production applications (WAF, DDoS protection, SSL/TLS certificates and access policies).
- › Database modeling, query optimization, indexing and caching strategies to support growing workloads.
- › Consistent application of Clean Architecture, DDD, TDD, Design Patterns and security (OWASP Top 10) across all projects.
- › Integration of generative AI (Claude Code) into the development workflow to increase velocity without sacrificing code review, testing and security standards.
- › Serving clients in retail, healthcare, education, finance and real estate.
Education & Development
Software architecture and distributed systems
Application security and OWASP practices
Cloud computing (Cloudflare, AWS, Oracle) and edge computing
Modern languages: static typing, functional programming and high performance
DevOps, CI/CD, containers and infrastructure as code
What sets me apart
Complete full stack vision — From front-end to infrastructure and production operations, without dependency on other teams.
End-to-end ownership — Real sole-proprietor experience with total solution ownership for clients across multiple industries.
Diverse stack — Proficiency in TypeScript, Rust, PHP, Java and Python — choosing the right tool for each problem.
Edge & Cloudflare — Strong focus on low-latency distributed applications using Workers, D1, KV and Durable Objects.
Continuous learning — Over 170 completed courses and constant practice with new technologies and paradigms.
Responsible AI in dev — Using Claude Code to accelerate delivery without compromising security, quality or best practices.