Lucas Sampaio Dias
@lucassampaiodias
I build scalable Java microservices, cutting processing times and strengthening high-traffic backend systems.
BrazilWhat I'm looking for
I've built and modernized backend systems for Disney, Dick’s Sporting Goods, Ford, and testRigor using Java, Spring Boot, SQL, Kafka, and cloud platforms. My work has reduced data processing times by up to 90%, cut conversion time by over 80%, and supported 10x traffic peaks during key sales events.
At testRigor, I shipped plain-English test automation features that helped increase AI-plan adoption by approximately 30%. I also improve reliability, automate engineering workflows with AI, mentor teammates, and make complex systems easier to operate and evolve.
Experience
Work history, roles, and key accomplishments
Software Engineer
Objective
Jun 2026 - Present (3 months)
Improved uptime and reliability across multiple microservice instances by adding automatic recovery from failures, cutting downtime from over an hour per week to under a minute. Drove adoption of agentic workflows and AI tools to increase team velocity.
Education
Degrees, certifications, and relevant coursework
Universidade Federal de Goiás
Bachelor of Science, Computer Software Engineering
2016 - 2019
Studied computer software engineering, focusing on software development and engineering principles.
Faculdade de Tecnologia Senac - GO
Associate Degree, Digital Games, Computer Games and Programming Skills
2014 - 2016
Studied digital games, computer games, and programming skills, gaining foundational knowledge in game development and programming.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Salary expectations
Job categories
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