Ariel Obed Martinez Lopez

As Principal Solutions Architect, I led the architecture and development of scalable web applications, working across the full product lifecycle. My responsibilities included frontend and backend development, UX design, and product coordination.

Key responsibilities:

• Develop new features using React.js, Material UI, and NestJS.
• Created wireframes and user flows to define intuitive user experiences.
• Collaborated with stakeholders on feature discovery, estimation, and delivery planning.
• Facilitated communication between product, design, and engineering teams.
• Mentored team members and promoted best practices across architecture and development.

As a Senior Software Engineer, I led the development of multiple responsive web applications from scratch, using modern JavaScript frameworks and scalable architectures. I played a key role in technical planning, UI implementation, and team support across frontend and backend tasks.

Key responsibilities:

• Built responsive web applications optimized for mobile, tablet, and desktop using React.js, Vue.js, Nuxt.js, Material UI, and Vuetify.
• Designed and implemented custom UI components, pages, and audio-based interactive features using TypeScript, Redux, and Zustand.
• Set up project architecture, file structure, and Webpack configurations compatible with CI/CD pipelines.
• Developed and maintained apps for the Samsung Tizen Smart TV platform, implementing high-quality audio playback features and continuous improvements.
• Led integration of Swagger for seamless backend API interaction.
• Acted as Product Manager and Tech Lead on various projects, defining product features, managing timelines, and coordinating technical decisions.
• Provided mentorship and support to development teams across frontend and backend stacks.

As a Web Developer, I contributed to the development and maintenance of various web-based and smart TV applications across fintech, education, and media industries. I worked primarily with React.js and Angular.js, focusing on building user interfaces, integrating APIs, and implementing analytics and error reporting solutions.

Key responsibilities:

• Developed UI features for responsive web applications using React.js, Material UI, Hooks, and Redux.
• Provided backend support using Ruby on Rails, including the integration of SendGrid for transactional emails.
• Implemented analytics tracking using Google Analytics and Omniture to monitor user behavior and improve engagement.
• Built a custom music player and managed playback logic for a Smart TV streaming app on the Samsung Tizen platform.
• Worked on an educational portal using Angular.js, integrating Microsoft’s Grand Flow Auth for secure login experiences.
• Integrated Sentry for real-time error monitoring and debugging across multiple platforms.

As a Junior Software Developer, I contributed to the development and support of video-on-demand applications for smart TV and streaming platforms. My work focused on user interface features, platform-specific integrations, and custom analytics tracking, particularly for the Tizen and Chromecast ecosystems.

Key responsibilities:

• Developed UI features using Vanilla JavaScript and React.js for high-traffic VoD applications deployed on Samsung Tizen Smart TVs.
• Integrated custom analytics tracking using Telemetry and Omniture to monitor user interactions and content performance.
• Implemented concurrency monitoring via Heartbeat to track simultaneous streaming sessions.
• Built and maintained multiple apps for Chromecast, including a new VoD application and support enhancements for existing platforms.
• Ensured platform compliance and performance optimization across different smart device environments.