Brian Cole
EXPERTISE
BIO
Senior Front-End Developer with 10+ years of experience specializing in React.js, Next.js, Vue, HTML/CSS, JavaScript, and TypeScript. Skilled in creating scalable front-end architectures, micro-front-ends, and high-performance UIs leveraging Webpack, MUI, React Hooks, and GraphQL integrations. Proven expertise in UI optimization, accessibility (WCAG, ADA), responsive design, and comprehensive testing using Jest, Cypress, and React Testing Library, consistently delivering intuitive and maintainable interfaces.
WORK EXPERIENCE
Senior Front End Developer
Optum
February 2024 - Present
• Led the development of an internal ID Card Platform for the patients using React, Next.js, TypeScript, Abyss library, Node, and GraphQL for real-time data management. • Built and maintained backend microservices using Java and Spring Boot, supporting secure, high-performance APIs and seamless integration with front-end components. • Optimized performance through advanced React techniques, including lazy loading and code-splitting, reducing API payloads and improving speed. • Worked closely with UX designers to translate wireframes, mockups, and design prototypes into responsive, interactive front-end features. • Spearheaded microservices deployment to enhance performance and scalability. • Collaborated with cross-functional teams to align on project goals, resolve challenges, and ensure business requirements were met. • Contributed to Agile development with sprint planning, story refinement, and code reviews. • Designed a scalable platform for dynamic ID card generation, ensuring a smooth user experience. • Developed unit tests using Jest and React Testing Library, ensuring robust component functionality and seamless user experience across states. • Used visual regression testing tools to detect UI changes and preserve design integrity. • Integrated SSO with OAuth 2.0 and Microsoft Graph API for secure, seamless logins. • Utilized Google Cloud Platform (GCP) services for cloud infrastructure, enabling secure, scalable deployment and efficient resource management for the ID Card Platform. • Worked directly with application users to troubleshoot issues, gather feedback, and ensure seamless functionality across different environments.
Senior Front End Developer
TBC Corporation
February 2023 - February 2024
• Led development of an e-commerce platform using React, JavaScript, TypeScript, Webpack, and Material-UI(MUI), ensuring a responsive and performant user experience while maintaining high product quality standards. • Architected micro-front-end structure with Next.js, React (Hooks), and TypeScript to support multiple micro-servers, ensuring modularity, scalability, and product quality in a rapidly evolving system. • Collaborated with UX designers to implement interactive prototypes and conducted usability tests to gather insights and iterate on design concepts, improving user engagement and satisfaction. • Optimized Next.js performance with code-splitting and reduced API payloads for faster load times and seamless user interactions. • Worked directly with application users to troubleshoot issues, gather feedback, and ensure seamless functionality across different environments. • Developed cloud functions with Node.js and PostgreSQL, enabling serverless architecture for efficient scaling. • Integrated Contentful CMS with GraphQL and Keycloak API for dynamic content delivery and secure user authentication. • Utilized Python for data processing scripts, backend utilities, and automation tasks, enhancing overall system efficiency and developer productivity. • Contributed to Agile sprints, team discussions, and code reviews to maintain high-quality standards. • Ensured cross-platform consistency by contributing to the React Native mobile version of the platform. • Utilized Cypress, Jest, and React Testing Library for test software and component testing, ensuring functionality and stability across various states and scenarios. • Managed GCP services for cloud deployment, ensuring scalable backend solutions. • Supported containerized workloads using Docker and explored Kubernetes for orchestrating scalable microservices.
Senior Full stack developer
United Advocates Group LLC
July 2020 - February 2023
• Led front-end development for a high-visibility CRM project in the financial technology (FinTech) sector, managing a team of developers and collaborating closely with stakeholders to deliver a responsive and intuitive solution. • Oversaw the design and implementation of accessible, pixel-perfect, and user-friendly UIs using React, JavaScript, HTML, CSS, Tailwind, and JSX, ensuring scalability through modern scaffolding techniques. • Directed front-end API integration, working with Node, PostgreSQL, and Stripe payment APIs to enhance financial data workflows and improve user experience. • Guided the optimization of front-end features based on UX feedback and user input, balancing design aesthetics and functionality while mentoring junior developers on best practices. • Led performance enhancements using Next.js for server-side rendering and techniques such as code-splitting, lazy loading, useMemo, useCallback, and memo to improve speed and efficiency. • Architected a scalable micro front-end system with React Hooks, enabling easier maintenance and future scalability. • Managed the development of a cross-platform React Native app, ensuring consistency across web and mobile platforms. • Established a robust testing strategy, achieving 80% test coverage with Cypress, Jest, and React Testing Library, and advocating for test-driven development (TDD) best practices. • Conducted and led WCAG accessibility audits, implementing improvements that reduced code defects by 20% through ESLint and accessibility best practices. • Collaborated on API development using Python and integration CI/CD, and cloud deployment strategies with AWS, PostgreSQL, and GitLab, enhancing deployment efficiency and system reliability. • Migrate the front-end part of the Java Spring boot project to React. • Applied Docker to containerize services and collaborated with DevOps teams using Terraform and Packer to automate infrastructure provisioning.
Senior Front End Developer
Green Focus Technologies
June 2018 - June 2020
• Spearheaded developing and maintaining scalable front-end systems using React and Python(Django), managing server environments (Apache, MySQL) on AWS EC2 and S3. • Ensured accessibility compliance with WCAG 2.1, Section 508, and ADA, working with design and product teams. • Refactored legacy React class components to functional components with Hooks and JavaScript, TypeScript, improving code efficiency and maintainability. • Collaborated on high-availability solutions for mission-critical applications, ensuring seamless front-end/back-end integration. • Led the development of a complex inventory management system, optimizing operational workflows. • Designed and implemented robust RESTful APIs with C#, .Net, optimizing data flow. • Built responsive, intuitive landing pages with React and Material UI. • Secured API endpoints using Node.js, adhering to best practices. • Developed reusable components with React, Redux, and optimized front-end architectures. • Conducted ESLint training to improve code quality and compliance. • Implemented unit testing with Jest, Enzyme, and React Testing Library, achieving 80%+ test coverage. • Managed CI/CD pipelines, streamlining deployments.
Front End Developer
Laz Parking
January 2016 - May 2018
• Developed and maintained the real estate system, improving functionality and pipeline integration in an agile environment. • Designed front-end with React/Redux, JavaScript, HTML5, CSS3, SCSS, and Anti-design. • Built RESTful APIs with Node/Express for seamless back-end communication. • Collaborated with engineers, designers, and artists to ensure effective communication. • Conducted thorough manual and automated testing, identifying and resolving bugs. • Implemented lazy-loading and React context APIs to enhance performance and reduce load times. • Used debugging tools to pinpoint issues and optimize front-end performance. • Worked with QA to verify defect fixes and ensure stable, reliable software. • Integrated REST APIs and third-party services. • Implemented session and cookie-based authentication.
Freelancer
Upwork
March 2014 - December 2015
• Developed a lot of front-end applications with HTML and CSS, JavaScript, and jQuery. • Worked on the E-commerce platform, the dating project, the Real Estate site, the job site, and so on • Developed back-end applications with PHP/Laravel, C#/.Net, Python/Django. • Worked with Security and Compliance to ensure all supported application architecture met or exceeded corporate policies and protocols. • Supported employees with advanced troubleshooting on helpdesk tickets. • Developed software for embedded systems and coding solutions for both new installations and in-situ hardware. • Modified existing software to correct errors and adapt to newly implemented hardware or upgrade interfaces. • Coordinated testing and validation procedures through the software development lifecycle. • Established clear system performance standards and wrote specifications. • Improved new JavaScript library React skills and worked on a small React project • Developed RESTful endpoints with node/express and PHP Frameworks (Laravel & CodeIgniter).
EDUCATION
Bachelor
Coleman University, October 2013
Computer Science
CERTIFICATIONS
React Certification
HackerRank
Issued: 1/13/2023
Credential ID: 9af2c81f355b
Verified Frontend Developer
8+ years of experience
Preferred commitment: Full Time
Languages
Skills
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