# Abelardo Asensio Callol > Sr. FullStack Engineer Location: Windermere, Florida, United States Profile: https://flows.cv/abelardo Ingeniero en Ciencias Informática con más de 12 años de experiencia profesional en el desarrollo de aplicaciones web (Frontend - Backend), aplicaciones híbridas y aplicaciones de escritorio utilizando frameworks MVC y tecnologías basadas en la nube. Mi experiencia radica en el liderazgo de proyectos, arquitectura de software, desarrollo y análisis. Me destaco en el trabajo en equipo, la comunicación y soy capaz de asimilar y aprender rápidamente nuevas tecnologías y procesos. Mi pasión por la tecnología es evidente en mi enfoque proactivo para estar al día con los avances de la industria. Mis especialidades incluyen PHP, JavaScript, Java, Laravel, Symfony, Eloquent, Doctrine, Bootstrap, JavaScript, React, Angular, Vue, HTML, CSS, SASS, MySQL, PostgreSQL, metodologías ágiles, integración continua, AWS, Git y Jira. ## Work Experience ### Senior Software Engineer @ Wabtec Jan 2023 – Present | Melbourne, Florida, United States Own end-to-end UI development for Wabtec creating high-performance Angular 14+ components and micro-front-ends in TypeScript, SASS, and HTML5. Translate complex UX wireframes and domain workflows into accessible, production-ready interfaces that keep rail traffic controllers fully informed and reduce on-screen latency. Implementing microservice using JAVA language supporting the business needs. Integrate front-end modules with AWS-hosted REST/Websockets services, employing state-management patterns to deliver real-time data at sub-second speeds. Champion Lean / Agile / XP practices: write clean, test-driven code, refine stories, run daily stand-ups, and demo new capabilities each sprint; maintain > 90 % unit-test coverage via Karma & Jasmine. Drive quality gates with SonarQube, Webpack, and automated CI/CD pipelines (GitLab CI) to catch regressions early and cut defect leakage into production. Optimize performance by profiling bundle size, lazy-loading feature modules, and tuning change-detection, yielding page-load time improvements of up to 35 % on key screens. Collaborate cross-functionally with Product, UX, and System Architects to align UI road-map with safety-critical dispatch requirements, ensuring reliability and regulatory compliance. Contribute to innovation by prototyping Electron-based desktop client options for offline dispatch scenarios and presenting findings to senior leadership. ### Senior Frontend Developer @ Norwegian Cruise Line Holdings Ltd. Jan 2022 – Jan 2023 | Miami, Florida, United States Developing and maintaining NCL's web applications, ensuring seamless performance and a positive user experience. Collaborating with the development team to translate business requirements into functional, visually appealing, and high-performing applications. Building reusable components, modules and libraries for future use, to improve the overall development process. Writing clean, maintainable, and efficient code to meet business requirements and industry best practices. Debugging and fixing complex bugs and performance issues. Participating in code reviews and contributing to the development of software development best practices. Staying up-to-date with new frontend technologies and trends, and recommending improvements to the development process. ### Senior Software Engineer @ Behavioral Service Network Jan 2021 – Jan 2022 | Miami, Florida, United States Renewed the technological infrastructure of the company to improve efficiency. Established optimized workflows for test and production environments. Implemented continuous integration and continuous development using AWS cloud technology. Developed a user registration system to manage, monitor, process and sign digital contracts for new members in the network. Created, implemented a robust website using cloud technology, with a focus on optimal configuration and performance. ### Sr. Full Stack Engineer @ Power Wizard Jan 2020 – Jan 2022 | Remote Solve problems with an emphasis on producing scalable, efficient, and maintainable solutions Develop features from initial concept to production ready results, this includes for Frontend, Backend, and database design and modeling Help define the processes needed to achieve organizational and operational excellence Learn and implement new technologies and help evolve existing ones Engage with both technical and non-technical stakeholders to come up with robust solutions Review code contributed by my peers and provide constructive feedback Take initiative in improving code for the benefit of the team. Participate in sprint planning to understand the team’s goals and priorities Design and development of scalable, AWS-hosted software solutions using serverless and event-driven architectures. Design and development across the stack: data storage, application logic, user interface, data gathering, and monitoring. Develop solutions for increasing application performance and instrumentation in support of business objectives. Communicate technical designs in a way that is accessible to nontechnical audience ### Full Stack, UX, UI API Developer @ Ubicquia Jan 2019 – Jan 2020 | Melbourne, Florida Developing, design and implementation of the new API endpoints as a part of high-profile customers-facing portal, that provided critical connectivity channel for distributed functionality and increase system cohesion keeping manageable code complexity. Improving product aesthetic and UX of the critical online service, resulting in 72% CHI (Customers Happiness Index) increase. Integrating with third-party services and external APIs as a part of implementation of the high-volume internal web application standardizing the way of user accounts management amongst different projects and mitigating code duplicity Optimizing existing data storages and reporting queries for the high-volume internal web application using MariaDB and REDIS resulting in response time decrease by 71% Developing technical documentation to define the system components, development environment and implementation planning/strategies. Assisting in the design and implementation process for new products/projects, informing senior executives of alternatives. Collaborating with other developers, designers, offshore team, stakeholders to deliver highly functional features and QA team to define test cases, metrics, and resolve questions about test results. Responsible for maintenance of applications with technologies such as PHP, HTML, CSS, JAVASCRIPT, ANGULAR, BOOTSTRAP, WEB SOCKETS, MQTT, RESTFUL API. Preparing and dispensing work assignments, provide guidance and/or review the work of other team members. Recommend business process flow improvements and clearly communicate problem/resolution process to project management. ### Senior Web Developer @ Altimetrik Jan 2017 – Jan 2018 | Montevideo Maintaining newly developed and legacy systems using Java, Angular and Salesforce APEX languages. Documenting solution architecture for the critical external web app reducing the TTM (time-to-market) by 53% ensuring high code maintainability Improving product aesthetic and UX of the high-profile internal web application, resulting in 84% increase in sales and product revenue. ### Full Stack Developer / Team Leader @ National Electronic Group for Tourism Jan 2014 – Jan 2017 | Cuba Capturing the best development practices in a way of common condign standards team of 10 developers that helped to decrease code complexity and improve maintainability of the shared libraries and components. Design and implementation of the 99.99% up-time REST API for the high-volume internal web application, that provided critical connectivity channel for distributed functionality and increase system cohesion keeping manageable code complexity. Integrating with third-party services and external APIs as a part of implementation of the high-profile internal web application resulting in decrease of the system's complexity Performing unit & load testing for the high-profile internal web application that helped to improve system's stability and scalability by identification critical performance issues during development phase ### Web Developer / Project Leader @ Vibalco Jan 2013 – Jan 2014 | Cuba Development of web applications for the non-state sector in Cuba. Responsible for web application hosting. Gathering of requirements, supervision, planning and control of development stages, project estimation, sales department support with new client quotes. Deployment and maintenance in the cloud. ### Web Developer / UI Design @ Universidad de las Ciencias Informáticas Jan 2011 – Jan 2013 | Cuba Development of functionalities for the Hospital Information System: XAVIA HIS. Gathering of requirements, Interface design (UI, UX). ## Education ### Informatics Science Engineer in Computer Software Engineering Universidad de las Ciencias Informáticas Jan 2006 – Jan 2013 ## Contact & Social - LinkedIn: https://linkedin.com/in/asensiocallol - Website: https://asensiocallol.com/ --- Source: https://flows.cv/abelardo JSON Resume: https://flows.cv/abelardo/resume.json Last updated: 2026-03-22