# Lavelle Warren > Actively Looking for Software Engineering Role. Location: Grand Prairie, Texas, United States Profile: https://flows.cv/lavelle • Software engineer with over 7 years of expertise in frontend application design and development • Strong expertise defining, designing, developing, and deploying user interface best practises on MODULAR Solutions throughout the whole system development life cycle. • Experience of working with different Software Development Life Cycle (SDLC) involving both traditional methodology such as Scrum, Waterfall and Agile • Experience in JavaScript, CSS, HTML, TypeScript and backend technologies like Node.JS and Express.JS • Proficient in developing front-end systems with JavaScript, jQuery, HTML and CSS • Real-time experience in building SPA Applications • Developing new user-facing features using React.JS • Implement modules into Node.JS to integrate with designs and requirements • Experienced working on newest features and patterns in combination with React, Angular and JavaScript • Have complete understanding and working knowledge of Tailwind CSS, Vue, Nest, Next, Nuxt, MUI, AntD, Angular Material and PrimeNG • Developed Web 2.0 applications to consume JSON response using call-back functions • Good experience in writing SQL queries in PostgreSQL and MySQL also have expertise with MongoDB • Good working knowledge of Jira, Git and GitHub for version control and Process management • Used the best practices of SDLC as well as Agile methodologies • Attained better communication and developed stakeholder friendly attitude skills through meeting stakeholders, System developers, other teams and external business partners ## Work Experience ### Senior Software Engineer @ McKinsey & Company Jan 2020 – Present | Texas, United States • Designed frontend applications, user interactive (UI) web pages using web technologies such as HTML, JavaScript and CSS • Experience developing Single Page Applications (SPAs) using various JavaScript frameworks such as React.JS • Integrated third-party services and APIs, such as payment gateways like Stripe and PayPal and social media platforms, to expand the application’s functionality. • Used Node.js and SQL/NoSQL to develop and manage databases for 3+ projects. • Involved in writing application-level code to interact with APIs, Web Services using JSON • Used jQuery plug-ins for Drag-and-Drop, Widgets, Menus, User Interface, and Forms • Collaborated with product managers, 2 front-end developers, and a UX designer to create user-friendly interfaces and improve the overall customer experience. • Took part in pair programming sessions to mentor 2 junior developers and conducted code reviews to maintain high coding standards and quality. • Bottle micro-framework implemented with RESTAPI • Developed unit test cases for testing and automation with 85%+ coverage. • Built and maintained infrastructure fully deployed AWS EC2 instance. • Designed and developed the app using React framework, HTML5, CSS3, JavaScript, Bootstrap, and Node.JS • Implemented client-side interface using React.JS • Worked with React.JS components, Forms, Events, Keys, Router, Animations, and Flux concept • Developed multiple POCs to create an interface between Backend and Frontend using Express.JS and Node.JS • Used GitHub repository for version control and established and maintained branching and build/release strategies using GIT ### Frontend Engineer @ At-Bay Jan 2016 – Jan 2020 | United States • Best-practices-compliant JavaScript, HTML, and CSS code • Media queries were used to create a mobile-friendly website • Used HTML, CSS, and jQuery to create the site; used JavaScript to validate user input; and used UML to develop use cases • Using CSS to style pages and developing JavaScript for the user interface • Applied Media Queries to various CSS-related difficulties on various devices • Used Cascading Style Sheets (CSS) to keep all online forms looking the same • Created various proof-of-concepts in React.JS to construct a user interface • Contributed to various web development tasks with HTML5, CSS3, SCSS, and other front-end technologies to support the development of dynamic and responsive web applications. • Developed numerous reusable UI components and data visualization modules using advanced technologies such as Chart.js and D3.js. • Improved website performance by 20% by optimizing images, minimizing HTTP requests, and implementing caching techniques. • Routers and history were added to the single-page app (SPA) • Using React.JS, defined new validations for the HTML form field validation • Leveraged expertise in micro services architecture and the Serverless framework to successfully migrate a legacy monolithic server in 6 months, significantly improving the efficiency and user experience of the email and SMS marketing system. • Successfully transformed a complex legacy JavaScript codebase into a modern and highly scalable system using TypeScript, while simultaneously implementing automated testing frameworks like Jest, Mocha, and Cypress to elevate code quality and ensure reliable performance. • Contributed to the development of jQuery Lightbox, a tool for producing picture and video galleries. • Affiliate partner platform that is integrated and managed • Worked in agile methodologies for incremental development to deliver better applications. ## Education ### Bachelors in Computer Science The University of Texas at Dallas Jan 2012 – Jan 2016 ## Contact & Social - LinkedIn: https://linkedin.com/in/lavelle-warren-801967273 --- Source: https://flows.cv/lavelle JSON Resume: https://flows.cv/lavelle/resume.json Last updated: 2026-03-23