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jessalvarado999

Jessica A

@jessalvarado999

Backend Software Engineer Java Spring Boot NestJS Bug Fixing

Chile
Spanish
About me
Hi! I'm Jessica, a Backend Developer with 1+ year of experience in Java and NestJS microservices. I've worked on high-concurrency systems handling withdrawals, deposits, wallets and authentication. I'm good at reading production logs and finding what's broken — fast. I can help you with: Bug fixing in Java or NestJS REST API development and integration Spring Boot microservices Log analysis (Elasticsearch, Kibana) Legacy Java (Java 8, WebLogic) If something's broken, I'll find it.... Read more

Skills

j
jessalvarado999
Jessica A
Offline • 
Average response time: 1 hour

See my services

Bug Fixes
I will fix bugs in your java or nestjs backend application
From$10 / projectMore details
API & Integrations
I will integrate or build rest apis with java and spring boot
From$30 / projectMore details

Portfolio

Work experience

Claro

software engineer

Claro • Full-time

Dec 2025 - Feb 2026 • 2 mos

Led backend integration of 3 APIs for a B2B eSIM project using Java (legacy stack with WebLogic). Developed with mock/stub data to unblock progress when credentials were unavailable. Delivered full technical documentation for project handoff.