Alejo Ceballos
Senior Java Software Engineer at Aubay Portugal
Porto, Porto, Portugal
Summary
👤
Senior🎓
Top SchoolAlejo Ceballos is a Senior Java Software Engineer with 28 years of programming passion and over two decades of professional experience building backend systems, microservices, and data integration platforms. Based in Porto, he specializes in Java-centric architectures, event-sourced long-running processes, and performance-conscious designs using tools like Apache Pulsar, Pekko (Akka fork), Protobuf, Docker, and cloud-native databases. He consistently applies SOLID, Hexagonal and Clean Architecture principles, drives 100% test coverage with automated pipelines (JUnit5, Testcontainers, Cucumber) and advocates code quality via SonarQube and rigorous PR reviews. Comfortable in multilingual, distributed teams, Alejo has led technical interviews and taught Design Patterns and ORM in university courses, blending mentoring with hands-on delivery. His career spans telecom, analytics, gaming, and SaaS, moving fluidly between backend, occasional frontend maintenance, and team leadership roles. An engaging technologist with a long-lived curiosity, he keeps a detailed personal and informal record of his work on GitHub.
11 years of coding experience
19 years of employment as a software developer
Business Degree (Lato Sensu) Software Engineering, Business Degree (Lato Sensu) Software Engineering at Universidade SalvadorBachelor Degree Computer Science, Bachelor Degree Computer Science at Universidade Federal da ParaíbaBusiness Degree (Lato Sensu) Agile Project Management, Business Degree (Lato Sensu) Agile Project Management at CESAR School
English, Spanish, Portuguese
Stackoverflow
491reputation
61kreached
2answers
0questions
Github Skills (21)
tomcat6
eclipse6
jpa6
playframework6
intellij-plugin6
cascade6
java6
plugin5
ember-cli5
jetbrains-ides5
intellij5
minecraft5
webstorm3
react3
jetbrains3
Programming languages (5)
Github contributions (5)
alejoceballos/react-study
Mar 2019 - Jun 2024
Contributions:18 pushes, 1 branch in 5 years 3 months
alejoceballos/tellersdesk-app
May 2019 - Oct 2019
Story Teller RPG's (nWoD) manager to aid story tellers around the world
Contributions:30 commits, 34 pushes, 1 branch in 5 months
reactrpgaidtellerreactjs
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