01
SHB · 2026
FRAME 01 / 04
BACKEND ENGINEER / SÃO PAULO
Guilherme
Leite/Backend Software Engineer
Designing APIs and microservices built to scale and last.
Backend engineer with 3+ years designing and maintaining REST APIs and microservices in production with Java and Spring Boot. I work across distributed systems and mobile, applying Clean Code and SOLID where the impact is measurable. Currently pursuing a postgraduate degree in Java Engineering at FIAP.
03 / STACK
Stack
Tools I work with regularly and confidently in production.
- Languages
- Java·TypeScript·PHP·SQL
- Frameworks
- Spring Boot·NestJS·Laravel·React Native·ReactJS
- Tools
- Docker·AWS·Maven·Swagger / OpenAPI·Git
- Databases
- PostgreSQL·MySQL·Cassandra·JPA / Hibernate
04 / SELECTED
Selected work
Three recent projects. The full list is just below.
02
LUM · 2026
FRAME 01 / 06
03
ORB · 2025
FRAME 01 / 05
Orbital
2025A distributed cron runner that leases jobs via Postgres advisory locks.
DistributedRust
05 / CONTACT
Contact
Email is fastest. I usually reply the same day.