Available to hire
Hi, I’m Óscar Rivera. I’m a software developer with 4+ years of full-stack experience specializing in Angular and .NET. I enjoy building interactive dashboards and data-driven applications that help teams make better decisions.
I’ve migrated legacy components to modern frameworks, implemented unit and automation testing, and collaborated in Agile teams to deliver high-quality features. I’m passionate about creating scalable solutions that balance performance, usability, and business impact.
Language
Spanish; Castilian
Fluent
English
Advanced
Work Experience
Software Engineer at Focus Services (NiCE)
January 1, 2025 - January 1, 2026Developed and migrated multiple components in Angular to reduce load times. Designed and maintained .NET backend controllers to support reporting modules and data-driven analytics. Improved system performance and maintainability through code optimization and best practices. Contributed to higher test coverage by implementing unit tests in Angular.
Software Developer at Focus Services (Clearview)
May 1, 2022 - December 1, 2024Built reporting modules and dashboards in Angular and .NET to support 500+ employees in performance tracking. Improved KPI visibility by creating custom reporting tools for call-center operations. Delivered features in Agile sprints with consistent on-time delivery and low defect rate.
Instructor at Universidad de Sonsonate
January 1, 2021 - December 1, 2021Databases I and Software Development I labs instructor for Computer Systems Engineering students. Mentored students in building projects.
Software Developer at Instituto Nacional de Nahuizalco
July 1, 2021 - November 1, 2021Developed and deployed a desktop library management software for an educational institution.
Software Developer at CEADSV
October 1, 2020 - May 1, 2021Implemented a voting software and a statistics control software using Java, MariaDB, and Bootstrap.
Software Developer at Focus Services
May 1, 2022 - December 1, 2024Built reporting modules and dashboards in Angular and .NET to support 500+ employees in performance tracking; improved KPI visibility by creating custom reporting tools for call-center operations; delivered features in Agile sprints with on-time delivery and low defect rate.
Education
Bachelor of Science in Computer Systems Engineering at Universidad de Sonsonate, El Salvador
January 1, 2018 - May 1, 2023Bachelor of Science in Computer Systems Engineering at Universidad de Sonsonate, El Salvador
January 1, 2018 - May 1, 2023Qualifications
Industry Experience
Software & Internet, Education, Professional Services, Computers & Electronics
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