Sergio Alcala

Contributions to a React.js project, adding features, supporting backend developers, fixing bugs, and implementing a platform redesign. I developed high-quality components, integrated system components, and actively participated in Scrum meetings. Collaborating closely with team members, I delivered high-quality solutions and maintained code excellence. I fostered a positive work environment and utilized a diverse range of languages, technologies, and tools. These achievements showcase my ability to deliver exceptional frontend solutions, adhere to project standards, collaborate effectively, and uphold code quality.

• Javascript
• ReactJS
• React-testing-library
• Redux
• CSS
• JIRA
• micro-frontends
• Storybook JS

Led React application integration with Office JS, enabling Word customers to manage bibliographies and citations. As a tech lead, ensured agile project success through development, testing, and bug verification. Implemented best practices and CI/CD for scalable React structure. Successfully migrated AngularJS apps to React.js, improving user experience post-support discontinuation. Worked with REST APIs from sources like NCBI and PubMed, building and maintaining APIs using Node.js and Python. Planned, developed, and released scientific/non-scientific apps, enhancing the platform and generating new revenue streams. Collaborated with Devs, QA, and Scientist teams to address issues and inconsistencies in multiple projects.

• Javascript
• ReactJS
• Redux
• CSS
• JIRA
• Cypress JS
• Storybook JS
• CI/CD bitbucket

Led successful migration of Delphi-based legacy system to modern AngularJS web application, enhancing efficiency and user experience. Implemented robust API using local IIS server to integrate SQL Server database, improving data management. Leveraged cutting-edge web technologies to develop highly functional solutions. Created innovative medical supply inventory app, optimizing supply control and usage in hospitals. Enhanced resource management through clear visualization and early detection of supply shortages. Collaborated closely with teams, aligning development with business requirements. Demonstrated leadership by guiding existing team through migration and technology learning, ensuring seamless transition.

• Javascript
• Angular JS
• PHP
• CSS
• MySQL
• Microsoft SQL Server

Acquired strong skills in understanding and analyzing business models through software development. Provided efficient support to a crucial web application for public accountants, improving functionality and user satisfaction. Developed customized features for diverse clients, showcasing adaptability and attentiveness to their specific needs. Implemented responsive design, optimizing user experience on mobile devices and increasing accessibility. Successfully contributed to migration projects from Flash to HTML5, ensuring compliance with modern technologies. Gained extensive knowledge of databases, connecting the application to MySQL with PHP for improved data efficiency. Demonstrated problem-solving abilities, resolving performance issues, errors, and bugs. Stayed current with industry trends through research and application of new technologies. Developed a profound understanding of the business environment and the role of software in supporting operations and growth.

• Javascript
• HTML
• CSS
• MySQL
• PHP