# Moises Romero > Principal Engineer Location: Los Gatos, California, United States Profile: https://flows.cv/moisesromero Principal full-stack & distributed systems engineer with deep expertise designing and scaling cloud-native, high-traffic applications. I specialize in NodeJS, TypeScript, and modern web ecosystems (React, Next.js, Angular, Vue, Express, NestJS), with strong command of HTML5, CSS, and performance-forward architecture. I’ve architected distributed systems requiring massive concurrency, efficient algorithms, and resilient infrastructure—building solutions that support rapid growth and extreme load. My recent work centers on full-stack cloud engineering, driving CI/CD automation, code quality, and cross-team technical strategy. My backend experience also includes Java, Python, Kotlin, and scalable API development using GraphQL, REST, and WebSockets, backed by SQL (MySQL, Postgres, SQL Server) and NoSQL (MongoDB, DynamoDB, Hadoop) datastores. I bring broad exposure to testing (Jest, Cypress, Mocha, JUnit), CI/CD platforms (GitHub Actions, CircleCI, Jenkins, AWS CodeDeploy/Beanstalk), and end-to-end observability and documentation tooling. With a background in graphic design, I uniquely bridge engineering and UX. Ensuring pixel-consistent execution, cross-team alignment, and polished user experiences. I thrive in collaborative environments, guiding teams toward scalable patterns, strong coding standards, and architectural clarity. ## Work Experience ### Staff Software Engineer @ Apollo GraphQL Jan 2021 – Present | San Francisco, California, United States My role is to design features of Apollo Studio with product owners and designers, then lead the development of these from concept to inception. Some other duties are to maintain existing functionality of Apollo Studio, enhance and monitor data ingestion, provide reporting tools and data to stakeholders and provide engineering customer support. ### Senior Software Engineer @ Warner Bros. Discovery Jan 2021 – Jan 2021 | Houston, Texas, United States My role was to make our systems resilient with a very small margin of error. Any discrepancies could result in major issues with customers’ billing and catastrophic consequences for the company. I was tasked to implement and maintain systems with event driven architecture between microservices. Systems acquiring payments, calculating taxes, billing adjustments, account memberships, cancellations, refunds, and all billing matters. It is crucial to ensure the delivery of highly-tested algorithms and functionality. ### Senior Staff Software Engineer @ Walmart Global Tech Jan 2019 – Jan 2021 | Sunnyvale, California, United States I had 3 major roles in this organization. My role in ASDA was to incorporate new features on the client side and ensure data delivery through the various levels of infrastructure. My role in the infrastructure team was to convert the monolithic infrastructure of restful apis into graphql data. My role in Walmart Canada was to contribute to the site and provide a unified experience to the user on both sites. ### Software Architect @ Atlassian Jan 2017 – Jan 2019 | Mountain View, CA My role was to develop the new version of Confluence Cloud and bring feature parity with existing Confluence. Then redesigning and modernizing the product along with the infrastructure and codebase was the task. My team also had the task to build tools around development experience, such as pipelines, engineering scripts, deployments, testing, linting, among others. ### Software Architect @ Amazon Lab126 Jan 2016 – Jan 2017 | Sunnyvale, CA My role was to design visual mockups of various sections of the application including dashboards, detail pages, charts, graphs, and widgets. Prototype user flows and main application experiences. ### Application Engineer @ eTouch Systems at Google Jan 2016 – Jan 2016 | Mountain View, CA My role was to develop new functionality for Internal tools focused on a product helping manage projects, and a separate product for network inventory management on top of google maps. ### Senior Software Engineer @ Cisco Jan 2016 – Jan 2016 | San Jose, CA My role was to develop and enhance the user experience of a multi-cloud deployment system. Build components connected to backend websockets indicating the status of various systems and cloud deployments. ### UI/UX Architect @ Zebra Technologies Jan 2015 – Jan 2015 | San Jose, CA My role was to design visual mockups of various sections of the application including dashboards, detail pages, charts, graphs, and widgets. Prototype user flows and main application experiences. ### Development Manager @ eBay Jan 2014 – Jan 2015 | San Jose, CA As an architect: Maintain the integrity of existing features. Refactor stale code. Perform code reviews. Enforce unit testing coverage. Improve site speed and code performance. Design new features and API services. Investigate new technologies and build POC's with these. As a manager: Lead engineers through tight deadlines in the completion of new features. Improve metrics and achieve revenue goals. Communicate goals to business, product and marketing teams. Negotiate timelines and explain technical aspects to product owners. Innovate and build a robust, scalable platform supporting various countries, brands, and locales with traffic in the millions of hits per day. ### Senior Software Engineer @ eBay Jan 2011 – Jan 2014 | San Jose, CA Development and design of a global classifieds framework supporting multiple countries, brands and locales with high traffic pages (in the millions of hits per day). Develop and implement breakthrough search technology. Engineer high availability APIs across multiple data centers for the usage of multiple sites and mobile apps. Review and enforce best practices in code, test coverage and documentation. ### Sr. Web Developer @ Wells Fargo Jan 2010 – Jan 2011 | San Francisco, CA Develop new modular widgets and applications for a fast-growing, internal, corporate front-end, framework used by hundredths of engineers, facing millions of users. Provide test cases and detailed documentation. ### Software Engineer @ Cisco Jan 2007 – Jan 2010 | San Jose, CA Development of an interactive vendor portal for large customers. Our job was to integrate a slim application portal with backend api's to offer clients customer support, ordering, statements, and general billing questions. ### Web Developer @ Creative Computer Services, Inc. Jan 2002 – Jan 2007 | Rancho Cordova, CA Project leader in various custom applications driven from SQL and MySQL databases. Design and development of web 2.0 websites. Customization of dynamic AJAX driven applications. Implementation of various membership management windows-based programs with data-driven sites including iMis and Aloha. Development of a new online application called Ohana for small organizations to manage their membership, events, dues, online store, newsletters and website content. Working closely with PHP, ASP, and SQL programmers to complete client-specific projects and campaigns. Providing technical support for networks, servers and computers as well as maintain 100+ websites in different physical and virtual servers. ### Art Director @ Property Pages Jan 2000 – Jan 2002 | San Jose, CA Development of a content revision management to handle ad submission. Development and maintainance of the publication's website. Director of ad production and magazine layout. Organization of deadlines. Training new designers and make them ready for quick-turnaround deadlines. Assigning workload to different teams. ### Graphic Designer @ Four Seasons Printing Jan 1996 – Jan 2000 | San Jose, CA Design marketing materials, printed products and ads for various clients. Ensure the turnaround and low-cost of materials. Offer outstanding customer service to existing accounts and new clients. Work closely with printer operators and pre-press designers ## Education ### Master's degree in Graphic Design Brooks College ### Bachelor's degree in Computer Science Brooks College ### High School Diploma in General Studies W.C. Overfelt HS ## Contact & Social - LinkedIn: https://linkedin.com/in/ezzygemini - Portfolio: https://moisesromero.com --- Source: https://flows.cv/moisesromero JSON Resume: https://flows.cv/moisesromero/resume.json Last updated: 2026-04-12