I'm Gefferson Marcos, a Head of Technology at a consulting company, leading development processes and structuring teams to deliver scalable solutions. With over a decade of experience in software development, working across multiple technologies.

I have built high-scale applications handling millions of users, developed internal libraries, and designed monorepos for frontend teams.

Beyond coding, I organize tech meetups, contribute to the developer community, and enjoy mentoring engineers to grow in their careers.

• Frontend: React.js, Next.js, Svelte, Tailwind
• Backend: Node.js, Express, REST APIs
• State Management: Redux, RTK Query
• Tooling: Monorepos (npm workspaces, Lerna), Rollup, TypeScript
• Infra & DevOps: Verdaccio (private npm), CI/CD pipelines

• Organizer of Front In Floripa, one of the biggest frontend events in Brazil
• Speaker at meetups and conferences, sharing knowledge about frontend architecture, performance, and tooling
• Passionate about open-source and best practices in software development