Emmanuel Nuño Estrella Email & Phone Number

San Diego, CA, US

• Designed, developed, and maintained a complex health insurance web application supporting over 42,300 agents, improving processing speed by 20%.
• Built and maintained a robust back-end system using C#,.Net, and SQL, resulting in a reduction in data processing errors.
• Ensured high-quality code by implementing automated testing (Nunit/Moq, Jasmine/Karma) and code reviews, reducing bugs in production.
• Collaborated closely with product managers and customers to gather requirements and refine features, leading to a 15% increase in customer satisfaction.
• Led Agile planning sessions and participated in daily standups, improving team velocity by 10% through effective sprint planning and backlog grooming.

• Developed and maintained server-side applications for a community-focused website, increasing site traffic by 25% through enhanced functionality.
• Built and maintained a complex back-end using JavaScript and PHP, enabling a 20% faster response time for users.
• Applied high-quality code principles in designing responsive layouts, improving user experience.
• Worked closely with product managers to translate user feedback into new features, leading to a 20% increase in community membership.
• Managed projects using Agile methodologies, ensuring 100% on-time delivery of key features through effective sprint execution.

Tijuana, Baja California, México

-Designed website Mockups using Figma to structure and specify the layout for the information to enhance reading.-Create a website using HTML CSS, Bootstrap 5, and JavaScript for members in a growing community for embedded software development to enhance digital presence.-Create and update a repository to keep changes and implement Versioning Management.

• Designed, developed, and maintained an internal payroll management system, boosting efficiency by 2.55% for over 300 employees
• Built and maintained a complex back-end system using MySQL and PHP, reducing payroll processing time by 15%.
• Implemented high-quality code standards, resulting in a 30% decrease in postdeployment issues.
• Collaborated closely with stakeholders to ensure the application met business needs, increasing user adoption by 10%.
• Led an Agile team through project iterations, improving delivery time by 20% and meeting all project deadlines.