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Sebastián Ramos González

@sebastinramosgonzlez

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Java Backend Developer at EPAM Systems / NEORIS who reduced remittance thread blocking from 30,000 ms to 465 ms.

Mexico

Message

At EPAM Systems / NEORIS, I develop and maintain banking microservices and connectors for payments, remittances, and transfers using Java, Spring Boot, and Quarkus. I implemented Fail-Fast exception handling and character sanitization across remittance flows, reducing thread blocking from 30,000 ms to 465 ms.

At Inadaptados, I developed and maintained a production POS web application with a layered backend and REST APIs. In my Bayanómetro project, I implemented ACID transaction decoupling with JTA and PostgreSQL, and automated 33 unit and integration tests with GitHub Actions and Docker.

Experience

Work history, roles, and key accomplishments

Current

Java Backend Developer

Current

EPAM Systems / NEORIS

Mar 2026 - Present (8 months)

Developed and maintained banking microservices and connectors using Java, Spring Boot, and Quarkus. Resolved production defects and optimized SQL queries, reducing thread blocking from 30,000 ms to 465 ms.

Java Spring Boot Quarkus REST SOAP SQL Jira Junit Mockito SonarQube Git Docker mTLS OAuth JWT IBM MQ Jackson Splunk Confluence

Full Stack Developer Trainee

Inadaptados

Dec 2024 - Mar 2026 (1 year 3 months)

Developed and maintained a production POS web application, structuring the backend under OOP principles and layered architecture. Implemented authentication with JWT tokens, input validation, and transactional and inventory persistence.

Object Oriented Programming REST APIs JWT SQL Transaction Management Inventory Management

Warehouse Manager & MRO Operations Management

Vallen / Zapata / Necaxa

Jan 2019 - Dec 2025 (6 years 11 months)

Coordinated operational teams, incident analysis, data reconciliation in enterprise ERP systems, cyclic inventory control, and compliance with Service Level Agreements (SLAs/KPIs).

Operations Management incident analysis Data Reconciliation ERP Inventory Control SLA Compliance