Senior Ruby on Rails Engineer with 8+ years building and scaling Rails apps (Rails 5 through 8, including major-version upgrades on legacy monoliths). B.Sc. in Computer Science from the University of São Paulo (USP). Backend-leaning, but comfortable owning a feature end to end: backend services, APIs, frontend integration, Docker, and AWS infrastructure. Led small engineering teams while staying hands-on as a daily contributor.
Currently with Jaya Tech, embedded in the engineering team at Pipefy (a workflow automation SaaS). Based in Brazil (UTC−3), fully remote.
Ruby on Rails, Ruby, GraphQL, JavaScript/TypeScript, React, Vue.js, Node.js (Nest.js, Express), Python/Django, Hotwire (Turbo, Stimulus), RSpec, Sidekiq, PostgreSQL, MongoDB, Redis, Docker, AWS (EC2, RDS, S3, IAM, Cognito, Route 53), Prometheus/Grafana, Linux, Git.
- Blog: eugeniojimenes.dev
- Resume: download PDF
- LinkedIn: eugenio-augusto-jimenes
- Email: eugeniojimenes@gmail.com
Developer, geek, dyslexic, Linux fanboy, coffee hipster/addict.




