React Js Front-End

Syed Sattar

Email: *************@*****.***

Professional Summary

Experienced front-end engineer with 9+ years in software development, specializing in front-end technologies. Skilled in designing, developing, and maintaining web-based applications using React.Js, Next.Js, Redux, Context API, JavaScript, TypeScript, Tanstack Query, Material UI, Ant Design, HTML5, CSS3 and Rest API’s. Proficient in building scalable and high-performance web applications following Agile methodologies. I am experienced with version control using Git and deployment on platforms like Heroku, Netlify, Azure and AWS. Additional skills include using testing frameworks like JEST for robust application testing and Storybooks react for components management.

• 8+ years in front-end development with a strong focus on React.Js and Next.Js. Deep understanding of JavaScript, TypeScript, ES6+, and modern UI frameworks like Material UI and Ant Design.

• Extensive experience with Redux and Context API for state management and implementing performance optimizations using React hooks, lazy loading and code splitting.

• Experienced in developing and managing B2B projects, focusing on delivering efficient solutions tailored to business needs.

• Proficient in working with Tanstack Query, RESTful APIs, GraphQL, and handling asynchronous operations using Axios, Fetch, and Promises.

• Strong experience in Jest, ESLint for unit and integration testing.

• Hands-on expertise with Git, Webpack, Babel.

• Strong analytical, problem-solving, and communication skills, with experience collaborating in Agile/Scrum teams. Technical Skills

Frontend Development React.js, Next.js, JavaScript, TypeScript, HTML5, CSS3, SCSS, LESS, Bootstrap, jQuery, Chart.js, Google Maps, Geo Maps

State Management Redux, Context API

Integration RESTful APIs, GraphQL, Tastack Query, React Query Build Tools Webpack, Babel, Vite, npm, yarn

Testing Frameworks Jest,

Version Control Git, GitHub, GitLab, Azure

Cloud & Infrastructure AWS (EC2, S3), Firebase, Azure, Netlify, Vercel, Heroku Security & Compliance OAuth, JWT Tokens

Performance Optimization Lazy Loading, Code Splitting, Caching, Bundle Splitting, Tree Shaking, Dynamic Imports, Chrome Devtools, Lighthouse

Project Management & Agile Agile (Scrum, Kanban), JIRA, Azure, Sprint Planning,Trello Collaboration & Communication Slack, JIRA, Teams

UI Frameworks Styled Components, Material UI, Ant Design PROFESSIONAL EXPERIENCE

Client: Innovid, New York, NY Mar 2021 to Present

Role: Sr. React Js developer

Key Responsibilities:

• Developed and maintained high-performance web applications using Next.Js and React.Js to enhance UI/UX experience and SEO.

• Built reusable components and front-end libraries using JavaScript, TypeScript, HTML, CSS, and Redux and Context API for state management.

• Integrated RESTful APIs and GraphQL using Axios and React Query to manage and fetch dynamic data efficiently.

• Implemented unit and integration testing using Jest ensure code quality and functionality.

• Utilized ESLint and Prettier to maintain clean, consistent, and high-quality code standards.

• Worked with Webpack and Babel to optimize JavaScript, CSS, and HTML for performance and cross-browser compatibility.

• Worked on Code optimization using Code Splitting, Dynamic Imports and Lazy loading.

• Automated infrastructure setup, deployment, and CI/CD pipelines using GitHub Actions and Docker.

• Designed and developed responsive, interactive UI components using Styled Components to improve usability.

• Conducted performance optimization, including Custom Hooks, lazy loading, caching, and bundle splitting/Tree Shaking to improve page load speed.

• Maintained code versioning using Git, GitHub, and GitLab, collaborating with teams via JIRA and Azure.

• Worked on B2B (SASS) Projects while gathering Functional Requirements from Clients.

• Worked within an Agile Scrum framework, participating in sprint planning, retrospectives, and daily stand-ups.

• Ensured accessibility compliance (WCAG 2.0) and optimized cross-browser compatibility using Chrome DevTools and Lighthouse.

• Integrated third-party libraries and APIs, including OAuth for authentication and AWS services for cloud-based solutions.

• Designed and developed high-performance front-end solutions for enterprise applications in the ad-tech industry. Environment: Next.js, React.js, JavaScript, TypeScript, HTML, CSS, Redux, RESTful APIs, GraphQL, Tanstack/ React Query, Axios, Git, Webpack, Babel, ESLint, Jest, Docker, AWS (EC2, S3, Lambda), Firebase, GitHub Actions, GitLab CI/CD, JIRA, Slack, WebStorm, npm/yarn, Postman, Swagger, Vite, Netlify, Vercel, Heroku. Client: Saba Software, Dublin, CA Nov 2018 to Feb 2021 Role: Sr. React Js developer

Key Responsibilities:

• Implemented responsive UI components using SCSS, LESS, and modular CSS, ensuring cross-browser compatibility and accessibility (WCAG compliance).

• Developed microservices-based architectures leveraging Docker, Kubernetes, and CircleCI, improving deployment efficiency.

• Testing and debugging using Jest and storyboards for improving application reliability.

• Worked with Git, Gitlab, and GitHub for version control, following Agile methodologies using Jira and Azure.

• Integrated DevOps pipelines with AWS, Azure and Heroku, implementing CI/CD workflows for seamless deployments.

• Optimized UI performance by analyzing memory leaks using Profiler and debugging tools.

• Skilled in developing and integrating location-based solutions with Geo Maps, specializing in real-time tracking, geolocation, and route optimization.

• Designed deliverables using HTML, SCSS and Material UI and Styled Components, improving user experience.

• Developed secure front ends with XSS/CSRF protections, JWT Tokens and REST API security, ensuring compliance with best practices.

• Developed and maintained front-end applications using React.Js and Next.Js ensuring high performance and scalability.

• Strong experience in JavaScript, TypeScript, HTML, and CSS, implementing best coding practices for maintainable and efficient code.

• Utilized Redux and Context API for state management and optimized API Integrations using Tanstack Query, RESTful APIs and GraphQL.

• Worked with modern build tools such as Webpack, Babel, ESLint, and Jest to streamline development workflows. Environment: Javascript, React.Js, Next.js, Typescript, Material UI, Styled Components, Geo Maps, Tanstack Query, REST API’s, HTML5, CSS, Ajax, Bootstrap, Jquery, SCSS, UX, XSS (cross site scripting), Rest, Agile, AWS, Azure, Heroku, JSON, XML, Jira, Linux, Webpack, Babel, ESlint.

Client: BCBS, Phoenix, Arizona May 2017 to Oct 2018 Role: Javascript Developer

Key Responsibilities:

• Developed and maintained React.js, and Next.js applications, ensuring high performance and scalability.

• Built and optimized responsive UI components using JavaScript, TypeScript, HTML, and CSS, enhancing performance and maintainability.

• Integrated configuration management tools such as ESLint, JSLint, and JSHint for static code analysis.

• Secured the application against CSRF, OAuth, JWT Tokens and other vulnerabilities by implementing industry- standard security practices.

• Created dynamic, responsive UI components leveraging CSS preprocessors like SASS and LESS and Used Ant Design to create and maintain user friendly interfaces.

• Experienced in integrating and developing location-based solutions using Google Maps API, including features such as real-time tracking, geolocation, and route optimization.

• Worked with cloud services like AWS and Azure, Netlify, Heroku and Vercel for deploying and managing frontend applications.

• Integrated RESTful APIs and GraphQL for efficient data fetching and application performance optimization.

• Designed and implemented reusable TypeScript components while using Redux for state management.

• Developed a Progressive Web App (PWA), improving SEO performance and user experience using server-side rendering (SSR) and React-Helmet.

• Extensively worked with Git and GitLab for version control and JIRA for issue tracking.

• Implemented unit testing using Jest and Storyboards ensuring robust frontend code quality.

• Developed new frontend interfaces using React.Js with TypeScript, integrating API calls using Tanstack Query and GraphQl and Axios for seamless functionality.

• Worked in Agile (Scrum, Kanban) environments, ensuring efficient project delivery and sprint planning.

• Optimized application builds processes using Webpack, Babel, improving performance and code maintainability. Environment: JavaScript, HTML5, CSS, Bootstrap, SCSS, Typescript, React.Js, Next.Js, Ant Design, Google Maps, Tanstack Query, Graph Ql, XSS (cross site scripting), Webservices, Rest, Sass, Less, Agile, AWS, Netlify, Heroku, Vercel, JSON, XML, Jira, Linux Trello.

Client: Comcast, Philadelphia, PA June 2016 to

Apr 2017

Role: Software Developer

Key Responsibilities:

• Developed and maintained front-end applications using React.js and Next.js, ensuring modular and reusable components for scalability.

• Built and optimized responsive UI components using JavaScript, HTML, and CSS, enhancing performance and maintainability.

• Used Bootstrap, Material UI along with styled components to design and implement user friendly interfaces.

• Integrated and managed state management using Redux, optimizing application performance and user experience.

• Designed and consumed RESTful APIs for collaborating with backend engineers to optimize API calls.

• Implemented Jest for unit testing, ensuring the reliability and robustness of the codebase.

• Established and maintained Github repositories, assisting teams in version control best practices.

• Applied best practices for code quality and linting using ESLint and Webpack, improving maintainability.

• Applied best practices in component structure and state management using React’s lifecycle methods, achieving optimized performance and streamlined codebase.

• Worked in an agile environment, collaborating with cross-functional teams to enhance product delivery.

• Used Jira for planning, tracking and managing work items. Environment: React.Js, Javascript, Material UI, Styled Components, HTML, CSS, Bootstrap, Integration Testing, Rest API, Github, Babel, Webpack's, Netlify, Jira

Education:

MS Information Technology Management, Golden Gate University, 2018 Bachelor in Business Administration, Sir. C.V Raman University, 2012

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