Marcio's assistantTechnical Skills
Marcio's core stack is React, TypeScript and Next.js, backed by architecture, performance and leadership skills. Ask about any area and you'll get the evidence behind it, not a self-rated score.
Frontend5 skills
- React
- TypeScript
- Next.js
- JavaScript
- Responsive Design
Architecture4 skills
- Scalable Frontend Architecture
- State Management
- Server-Side Rendering
- Developer Experience
Performance & Quality4 skills
- Core Web Vitals
- SEO
- Accessibility
- Frontend Testing Strategies
Leadership7 skills
- Technical Strategy
- Technical Trade-offs
- Mentoring
- Code Reviews
- Hiring
- OKR Planning
- Agile
Backend & Infrastructure7 skills
- Node.js
- REST APIs
- Microservices
- PostgreSQL
- Redis
- CI/CD
- AWS
How deep the evidence goes
- Strong professional evidence — React, frontend architecture, performance, Next.js, UI/UX collaboration, technical leadership
- Complementary professional evidence — Node.js, REST APIs, microservices, automation, PWAs, system integration
- Explored in his own products — Message queues (NATS/JetStream), RAG and agent workflows, EV charging data (OCPI), game servers and Unreal Engine 5, iOS apps
Suggested questions