# Hassan DeWitt > Senior Front-End Engineer (React, TypeScript, Next.js, Remix) | Performance, Accessibility & AI-Integrated Platforms | IBM Consulting Location: Houston, Texas, United States Profile: https://flows.cv/hassan I’m a Senior Front-End Engineer with 8+ years of experience delivering high-performance, accessible and scalable web applications across telecom, healthcare, energy and automotive industries. I specialize in React, TypeScript, Next.js and Remix, and I love building front-end systems where speed, UX and reliability are non-negotiable. At IBM Consulting, I’ve led teams modernizing complex enterprise applications by driving 40%+ performance gains, WCAG 2.1 AA compliance and seamless global rollouts through architecture-first development. Beyond UI engineering, I’ve integrated AI-driven workflows and semantic search systems into large-scale web platforms, using tools like Azure OpenAI, AutogenAI and vector databases to make front-end experiences smarter and more adaptive. What drives me most is crafting interfaces that feel effortless, mentoring developers to grow their skills, and shipping software that genuinely improves people’s day-to-day interactions. Tech I use often: React, TypeScript, Next.js, Remix, Node.js, GraphQL, TailwindCSS, Jest, React Testing Library, AWS, Azure, Redis, Mapbox Values: Performance, accessibility, clarity, and mentorship Location: Houston, TX — open to remote roles (U.S. & Canada) ## Work Experience ### Senior Front-End Engineer (Managing Software Developer) @ IBM Jan 2022 – Present | Houston, Texas, United States Lead front-end and full-stack development across telecommunications, healthcare, energy, and real estate clients — architecting scalable, accessible web platforms using React, TypeScript, Remix, and Next.js. Highlights: * Telecom eCommerce: Rebuilt Optimum’s national eCommerce platform with Remix.run and TypeScript — increasing user base by 66% and reducing revenue loss by 15% through improved resiliency and monitoring. Leveraged GCP Logging and Cloud Debugger for real-time troubleshooting and performance analytics. * Healthcare Portal: Enhanced GraphQL-based portal with Salesforce integration, internationalization, and WCAG 2.1 AA compliance, achieving 85%+ test coverage. * Real Estate Platform: Built a React + TypeScript dashboard with Mapbox integration and GCP Stackdriver (Cloud Operations Suite) for unified logging and debugging across microservices. * Developed an AI-assisted pre-authorization system using Python, AutogenAI, and Azure Functions for semantic policy interpretation. Stack: React, TypeScript, Remix, Next.js, Node.js, GraphQL, SQL, Redis, Google Cloud Platform, AWS, Azure, TailwindCSS, Jest, LaunchDarkly, Adobe Launch ### Senior Front-End Engineer @ Compliable Jan 2021 – Jan 2022 | Denver, Colorado, United States Led a team of 5 engineers developing a regulatory compliance platform that automated multi-state licensing processes. Architected front-end foundations for a scalable, accessible and testable React + Next.js application. Highlights: * Reduced licensing approval time from weeks to minutes through process automation. * Implemented React Query, Formik, and CI/CD pipelines for reliable deployments. * Achieved 75% test coverage and full WCAG 2.0 AA accessibility across UI components. * Mentored engineers and improved release velocity through shared coding standards. Stack: React, TypeScript, Next.js, React Query, Formik, Jest, React Testing Library, AWS ### Senior Front-End Developer @ Daimler Trucks North America (via GlobalLogic) Jan 2019 – Jan 2021 | Portland, Oregon, United States Built real-time analytics dashboards monitoring truck safety, performance, and health data from thousands of connected vehicles. Integrated Recharts and WebSockets for sub-second visual updates and mission-critical alerts. Highlights: * Designed and shipped fleet analytics visualizations using Recharts (line charts, histograms, KPIs). * Built WebSocket-powered alert systems that detected driver emergencies in real time — credited with saving a driver’s life. * Led migration from Angular → React + Redux, introducing reusable component libraries and scalable architecture. * Maintained 90% test coverage with Jest and Enzyme. Stack: React, TypeScript, Redux, Recharts, WebSocket, Java/Spring Boot APIs, Jest, Enzyme, Docker ### Software Developer II / UI Developer @ CDK Global (via Tata Consultancy Services) Jan 2019 – Jan 2019 | Portland, Oregon Area Partnered with UX and API teams to build enterprise React applications supporting large automotive clients. Highlights: * Built scalable React + Node.js/Express.js web apps with AWS deployments via Docker. * Delivered robust front-end architecture using TDD and CI/CD pipelines. * Improved performance and maintainability across key UI workflows. Stack: React, Node.js, Express.js, AWS, Docker, Jest, Enzyme ### Front-End Developer @ Internet Heads Jan 2017 – Jan 2019 | Houston, Texas Led front-end modernization for eCommerce sites, implementing dynamic features and cloud integrations. Highlights: * Modernized UIs with HTML5, CSS3, JavaScript, AWS and DynamoDB. * Improved UX and site performance through responsive design and optimized APIs. ## Education ### Front-end Web Development Certificate in Front-end Web Development Epicodus Jan 2018 – Jan 2019 ## Contact & Social - LinkedIn: https://linkedin.com/in/hassan-dewitt --- Source: https://flows.cv/hassan JSON Resume: https://flows.cv/hassan/resume.json Last updated: 2026-03-22