Maurício Macário de Farias Jr
Scalable Java backend solutions expert, microservices leader, open to remote roles
Palhoça, BR
Full time/Part time/Project based
Remote
Backend Engineer with 5+ years of experience in architecting and delivering scalable distributed systems using Java, Spring Boot, and AWS. Excelled at...
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My Career Journey
1/4
SulAmérica
Java Backend Engineer
Aug 2021 - Present | 5y 1m
Developed and maintained Java Spring Boot backend services supporting 50k+ daily requests and contributed to microservices migration. Designed REST APIs, improved system reliability, and integrated with...
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PalmSoft Tecnologia
Technical Lead | Backend Engineer
Sep 2022 - Present | 4y
Led a team of 6 engineers, defined architecture, implemented scalable backend services and REST APIs with Java & Spring Boot on AWS, improved delivery consistency, and mentored team members. Established...
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PalmSoft Tecnologia
Mid-Level Backend Developer
Aug 2021 - Aug 2022 | 1y
Developed Java Spring Boot backend solutions for various domains. Became primary developer for a multifunction platform after its architecture phase, adapted design to changing requirements, and contributed...
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PalmSoft Tecnologia
Junior Back-End Developer
Mar 2019 - Aug 2021 | 2y 5m
Developed backend applications with Java and Spring Boot, implemented CI/CD pipelines, participated in several projects, and assisted occasionally in frontend development using React.
Teamwork
Complex Problem Solving
Analytical Thinking
Action Oriented
Learning Agility
Results Focused
Decision Making
Most proud of (3/3)
1st
Reduced app home screen load from over 15s to ~1s by optimizing queries and adding indexes, greatly improving client experience.
2nd
Analyzed scalability issues and recommended Amazon SQS over Kafka, delivering a simpler, lower-cost solution matched to the use case.
3rd
Maintained a mission-critical SulAmérica system (15+ years in production) supporting life/travel insurance and private pension sales, handling 50,000+
Career Highlights
1/2
Performance optimization for a client mobile/web app
Cut app home load time from 15s to ~1s
Brasil, 2026
In a client engagement I discovered the app home screen was taking over 15 seconds to load. I...
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Technical Lead | Backend Engineer at PalmSoft (2022–present)
Led backend architecture & team of 6 at PalmSoft
Brasil, 2025
In my role as Technical Lead I defined the system architecture and led a team of six engineers...
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My values
Efficiency
Problem Solving
Customer Satisfaction
Simplicity
Continuous Learning
Team Empowerment
Agility
Adaptability
Education
Pontifícia Universidade Católica do Paraná
Software Architecture, Cybersecurity and Data Science
2027
Universidade do Vale do Itajaí
Computer Science
2021
Language(s) I speak
Portuguese
Fluent
English
Intermediate