01 Senior Backend Engineer · Vitória, Brazil

I build software
for the real world.

I'm Félix — a backend / full-stack engineer with 11+ years building business-critical platforms, APIs, and integrations that stay reliable as organizations scale.

profile.service ● LIVE
01engineer {
02name: Félix Zanetti,
03focus: backend systems,
04runtime: [
05Java, Spring Boot,
06PostgreSQL, Docker
07],
08principles: {
09reliability: true,
10ownership: true,
11clarity: true
12}
13}

02 Featured work

Built with a point
of view.

Software should reduce cognitive load, not move complexity somewhere harder to see.

Open source · Java 2025 — Now

raava/framework

An opinionated framework for enterprise REST APIs — removing repetitive work around CRUD flows, filtering, authentication, auditing, and consistent web contracts.

  • Java
  • Spring Boot
  • JPA
  • REST
  • JWT
  • OpenAPI

03 Personal projects

Ideas I build
for the fun of it.

Small experiments where curiosity, product thinking, and engineering meet.

Daily game · Live New country every day

Populômetro

A daily game where you estimate a country's population, using higher-or-lower clues until you get it right.

Country and population data are kept current through automated synchronization with Wikidata via SPARQL.

  • Vue.js
  • Java
  • Spring Boot
  • PostgreSQL
  • Docker
  • Wikidata
  • SPARQL
Play today's challenge

04 Engineering toolkit

Depth where it matters.
Range when it helps.

CORE EXPERTISE

  • 01 Java primary language
  • 02 Spring Boot application platform
  • 03 PostgreSQL data layer
  • 04 REST APIs system contracts
  • 05 Docker delivery runtime

BROAD EXPERIENCE

JPA / HibernatePHPLaravel TypeScriptJavaScriptAngular ReactPythonDjango MySQLSQL ServerCI/CD LinuxMavenGit
“I document decisions and trade-offs clearly, own software after delivery, and keep critical systems understandable.”

05 Experience & education

Built through
practice and study.

More than a decade evolving critical software, backed by a strong academic foundation in computer science and web engineering.

Professional experience 2013 — Now
  1. Federal Institute of Espírito Santo IFES

    IT Analyst and Systems Developer

    Current
  2. Administrative Council for Economic Defense CADE

    IT Analyst and Systems Developer

  3. SIGEX Project

    Technical Researcher and Web Developer

  4. Federal University of Rio Grande do Norte UFRN

    Web Developer · Polare Project

  5. Infobase

    Systems Developer

Full experience
Academic foundation UFES
M.Sc.

Computer Science

Web Engineering

Research on the ontological representation and analysis of object-relational mapping frameworks.

NEMO Laboratory · Published research
B.Sc.

Computer Science

Foundation in algorithms, data structures, databases, operating systems, networks, and software engineering.

NINFA Laboratory · Research & development
Education details

06 Selected impact

Proven in production.

0K+

students served

Institutional platforms operating across 27 campuses.

0K+

digital diplomas

Government-compliant integration delivered at scale.

0K

meals per day

Student aid operations made simpler and more reliable.

0+

tickets resolved

Hands-on production support across 30 months.

07 Start a conversation

Building something
that needs to last?

I'm open to senior backend and full-stack opportunities with remote international teams.