Alberto Aranda

Senior Java Backend Developer with 20+ years of software development experience and strong hands-on expertise in Java 8/17, Spring Boot, REST APIs, microservices, SQL, Kafka, Kubernetes/OpenShift, CI/CD and enterprise production support. Experienced in designing scalable backend services, troubleshooting distributed applications, performing root-cause analysis, improving automated testing and code quality, and collaborating with cross-functional Agile teams. Strong alignment with large-scale distributed systems, production support, incident resolution and technical ownership.

Java Backend Developer at Tata Consultancy Services (2024-01 – 2026-06)

• Developed and maintained Java 8/17 and Spring Boot backend services, implementing business requirements, resolving production issues, and supporting high availability.
• Designed and maintained REST APIs and backend integrations using JSON, XML, and RAW formats across distributed enterprise systems.
• Used GitHub Copilot to accelerate Java/Spring Boot development, generate and refine JUnit/Mockito tests, improve SonarQube coverage, analyze legacy code, debug root causes, and refactor using Clean Code practices.
• Configured and deployed applications on OpenShift, validated application health, analyzed logs, and troubleshot deployment issues; managed YAML properties and IBM MQ queues.
• Developed and optimized SQL queries for Oracle and SQL Server for business requirements, production troubleshooting, and data retrieval performance.
• Collaborated with Business Analysts, QA, DevOps, and Product Owners in Agile/Scrum ceremonies and production support.

J2EE Backend Developer at Persistent Systems (2022-09 – 2023-06)

• Developed Spring Boot REST microservices for the ChubbIO project.
• Developed a microservice receiving policies and enqueueing events to Apache Kafka, with tracking persisted in MSSQL.
• Resolved QA issues and created/executed unit tests with JUnit and Mockito; documented manual API tests with Postman.

J2EE Backend Developer at BSD Enterprise (2021-10 – 2022-09)

• Developed operational-process software and microservice endpoints for Ternium Logistic HUB projects.
• Migrated legacy systems to newer technologies using JEE, Spring Boot, JPA, Hibernate, Maven, JUnit, Git and Azure DevOps.

J2EE Developer at HealthCentrix Inc. (2020-07 – 2021-09)

• Maintained, updated and implemented new functionality for Prevvy.co; investigated and resolved bugs and application issues.
• Worked with REST services and Kubernetes in an enterprise application environment.

J2EE Backend Developer at BSD Enterprise (2017-01 – 2020-03)

• Developed operational-process software for Ternium and migrated legacy systems to newer technologies.
• Worked with J2EE, JPA, Spring, Hibernate, Maven, JUnit and Oracle.

J2EE Developer at HealthCentrix Inc. (2015-02 – 2016-12)

• Investigated and developed Prevvy.co, including backend/frontend work and application testing; worked with FHIR standards.

J2EE / ZK Developer at Noaris Consulting (2011-05 – 2014-06)

• Developed and supported an administration system for a multinational insurance company and maintained database scripts.

Java Web Developer / Webmaster at Independent Project (2007-01 – 2009-08)

• Designed and developed Autos-Remate.com and its MySQL database, including maintenance and follow-up.

J2EE Developer at Avetrix Soluciones S.C. (2006-08 – 2007-04)

• Supported and developed an electronic invoicing product using J2EE, Hibernate, Spring, WebServices, XML and SQL databases.

Computer Systems Engineer – Montemorelos University (Universidad de Montemorelos A.C.) (2000 – 2005)