Last login: Sat Oct 31 15:20:50 on ttys001
Software & Infrastructure Engineer · infrastructure, security and networks since 2010; code since 2014.
eric@jales~$ whoami
eric@jales
role Software & Infrastructure Engineer
uptime 16 years in IT · infra, security, networks (since 2010)
dev 11 years (since 2014)
host Teresina, Brazil
stack Ruby on Rails, PostgreSQL, Hotwire
locale Portuguese, English
shipped 7 projects
status● available for new projects
eric@jales~$ cat about.md
I've worked in IT since 2010. I started in network operations at RNP's point of presence in Piauí, then moved to Correios, and I've been writing software since 2014. At the Piauí State Court of Justice I've built internal systems, led the administrative systems team and coordinated ICT infrastructure: servers, networks, the data center and the security around them. I've also worked remotely as a Rails engineer for US companies, on a telehealth platform and on a network management product.
Today I build web and mobile apps end to end, from the database down to the server they run on. AI is part of my everyday toolkit. I work with Claude Code, Codex, opencode and Cursor, write my own skills and agents, and use spec-driven development so that what the model builds stays tied to what was actually asked.
I care about simple, well-tested code, fast pages and infrastructure that doesn't wake anyone up at night.
eric@jales~$ ls -l projects/
total 7
→ open <name> or click a folder
new here? try git log, ./contact.sh or help
Click any command, or type it and press enter. tab completes, ↑ recalls.
eric@jales
role Software & Infrastructure Engineer
uptime 16 years in IT · infra, security, networks (since 2010)
dev 11 years (since 2014)
host Teresina, Brazil
stack Ruby on Rails, PostgreSQL, Hotwire
locale Portuguese, English
shipped 7 projects
status● available for new projects
I've worked in IT since 2010. I started in network operations at RNP's point of presence in Piauí, then moved to Correios, and I've been writing software since 2014. At the Piauí State Court of Justice I've built internal systems, led the administrative systems team and coordinated ICT infrastructure: servers, networks, the data center and the security around them. I've also worked remotely as a Rails engineer for US companies, on a telehealth platform and on a network management product.
Today I build web and mobile apps end to end, from the database down to the server they run on. AI is part of my everyday toolkit. I work with Claude Code, Codex, opencode and Cursor, write my own skills and agents, and use spec-driven development so that what the model builds stays tied to what was actually asked.
I care about simple, well-tested code, fast pages and infrastructure that doesn't wake anyone up at night.
* 1fb7ff9(HEAD -> now) Software Systems Analyst @ TJPI
| Development of internal systems for the Piauí State Court of Justice.
* 5cd3cdd Backend Developer Sr · Ruby on Rails (Remote) @ Leafwell
| Built and maintained APIs for a telehealth platform: patient onboarding, payments and integrations with state registries.
* 4a8d007 RoR Developer · Systems/Network Engineering (Remote) @ RG Nets
| Rails features for a network management product, plus Linux and networking troubleshooting for customer deployments.
* 46394c2 ICT Infrastructure Coordinator @ TJPI
| Coordinated servers, networks and data center operations.
* c6f360f Head of Administrative Systems @ TJPI
| Led the team responsible for HR, finance and procurement systems.
* 76a3a2c Systems Support Analyst @ Correios
* 3198235 Operations Technician @ PoP-PI / RNP
total 7
→ open <name> or click a folder
total 8
{ "stack": [ "Ruby on Rails", "PostgreSQL", "Hotwire", "Vue JS", "React", "JavaScript", "Docker", "Linux", "Bash", "Git", "HTML", "CSS / Sass", "Mobile apps" ], "ai": [ "Claude Code", "Codex", "opencode", "Cursor", "Agent skills", "AI agents", "Spec-driven development (SDD)" ], "principles": [ "boring tech, done well", "spec first, then the prompt", "tests before cleverness", "fast pages, quiet pagers" ] }
#!/usr/bin/env bash
exit 0
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