I’m looking for a backend engineering role where I can build scalable and reliable systems, solve complex technical problems, and contribute to a strong engineering team. I’m especially interested in opportunities involving Java, Spring Boot, microservices, and distributed systems.
Looking for a job
Pascual Rosario
@pascualrosario
Java Backend Engineer experienced in building scalable services with Java, Spring Boot, microservices, and REST APIs.
United StatesWhat I'm looking for
I’m a Java Backend Software Engineer with experience building scalable and reliable services using Java, Spring Boot, microservices, and REST APIs. I’ve worked on enterprise-scale and high-volume distributed systems, with a focus on performance, stability, and clean service design.
I enjoy solving complex backend problems, improving system reliability, and building maintainable solutions. I work closely with product and QA teams to deliver production-ready features and bring a strong sense of ownership to my work.
I’m interested in backend architecture, service design, performance optimization, and continuous learning. I’m always looking to contribute to reliable, high-impact systems and grow as an engineer.
Experience
Work history, roles, and key accomplishments
Current
• Built REST APIs with Java/Spring Boot microservices, 99.9%+ availability.
• Used ExecutorService and CompletableFuture to improve response times.
• Managed CI/CD deployments, rollback automation, and validation.
• Co-led HikariCP to Oracle UCP migration, improving efficiency.
• Built observability dashboards and alerts with metrics/logs.
• Created runbooks & used AI copilots to speed development
• Contributed to Kubernetes infrastructure, enabling reliable deployments of distributed services in production.
• Partnered with 3 cross-functional teams to integrate internal APIs and maintain aligned request/response contracts.
• Followed Git branching and pull-request practices to maintain code quality.
• Developed unit tests with JUnit and Mockito to improve coverage and reduce release risk.
BR
Software Engineer Contractor
Brooksource
May 2021 - Sep 2021 (4 months)
Developed and maintained server-rendered web interfaces in monolithic Java applications and configured Spring beans. Implemented CI/CD pipelines in Jenkins for faster builds and deployments.
Education
Degrees, certifications, and relevant coursework
William Paterson University
Bachelor of Science, Computer Science
2019 - 2020
Passaic County Community College
Associate in Science
2016 - 2018
Tech stack
Software and tools used professionally
Availability
Looking for a job
Location
United StatesAuthorized to work in
Salary expectations
150k+ USD
Social media
Job categories
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