ASHLESHA SURESH SINGH
Frontend Engineer (React JavaScript TypeScript)
Atlanta, GA +1-470-***-**** ********.*******@*****.*** LinkedIn: https://www.linkedin.com/in/ashlesha-singh-705301205/ GitHub: https://github.com/AshleshaSingh
PROFESSIONAL SUMMARY
Frontend Engineer with 6 years of enterprise experience building scalable, high- performance web UI applications using React, TypeScript, JavaScript (ES6+), HTML5, and CSS3. Strong expertise in responsive design, web accessibility (WCAG), reusable component architecture, Redux state management, cross-browser compatibility, and REST API integration. Proven track record of improving UI responsiveness by 30%, reducing defect leakage by 18%, and increasing mobile engagement by 35% across enterprise platforms.
TECHNICAL SKILLS
• Frontend: React, JavaScript (ES6+), TypeScript, HTML5, CSS3, SCSS, Sass, Bootstrap, Wireframing, Angular
• UI & Accessibility: Web Accessibility (WCAG 2.0+), ARIA, Cross-browser compatibility, Chrome DevTools, Firefox Debugging
• State Management: Redux, React Hooks
• Backend: Node.js, Express.js, Java (Spring Boot), RESTful API design, GraphQL
• Testing: Jest, Supertest (API testing), Mocha/Chai, Postman/Newman, JUnit
• Database: SQL Server, MySQL, PostgreSQL, MongoDB, Query optimization
• Tools: Git, GitHub, Jenkins, GitHub Actions, NPM, Webpack
• Design Tools: Figma, Adobe XD
• Methodologies: Agile, Scrum, SDLC
PROFESSIONAL EXPERIENCE
Technology Analyst – Infosys Limited Oct 2021 – May 2024
• Owned frontend feature development from requirements through production release.
• Built and maintained React-based enterprise applications supporting complex workflows.
• Developed reusable component libraries improving development efficiency by 25%.
• Integrated frontend modules with REST APIs and backend services.
• Improved UI performance by 30% through rendering optimization and memoization.
• Reduced defect leakage by 18% by implementing structured testing and debugging practices.
• Increased mobile engagement by 35% through responsive design improvements.
• Conducted code reviews and collaborated with DevOps and backend teams in Agile environments.
Senior Systems Engineer – Infosys Limited Oct 2020 – Sep 2021
• Led frontend implementation for complex features using React and TypeScript.
• Refactored legacy UI code improving maintainability by 20%.
• Ensured cross-browser compatibility across Chrome and Firefox.
• Implemented accessibility best practices aligned with WCAG guidelines.
• Coordinated API integration with backend teams for improved reliability.
• Optimized rendering performance using state optimization and browser profiling tools.
• Participated in sprint planning and technical design discussions.
• Mentored junior developers through code reviews and best practices.
• Supported version control best practices using Git branching strategies and peer review workflows.
Systems Engineer – Infosys Limited Oct 2018 – Sep 2020
• Developed and maintained web applications using JavaScript, HTML5, CSS3, and jQuery.
• Reduced page load time by 1.5 seconds through asset optimization and bundling.
• Assisted migration of legacy UI modules to modern component-based architecture.
• Implemented UI bug fixes and enhancements based on QA findings.
• Supported REST API integration and frontend-backend validation.
• Ensured responsive behavior across devices and browsers.
• Improved UI stability reducing defect rate by 22%.
• Followed Git version control best practices.
ACADEMIC PROJECTS
NASA Explorer (React / Next.js)
• Built a responsive frontend using React, Next.js, and TypeScript to integrate and visualize NASA public APIs
Smart Class Planning Tool
• Developed an automated academic planning system using layered architecture and scheduling logic
AI-Based Household Energy Efficiency Classifier
• Implemented a Decision Tree–based classifier enhanced with fuzzy logic for academic analysis
EDUCATION
Master of Science – Applied Computer Science (Software Development) Columbus State University, Columbus, GA Aug 2024 – Dec 2025 Bachelor of Engineering – Electronics and Communication Engineering India Aug 2014 – May 2018
CERTIFICATION
Introduction to Agentic AI – Amazon Web Services (AWS) 2025 Getting Started with AWS Cloud Essentials – Amazon Web Services (AWS) 2025 Infosys certified Frontend End Web Developer - Infosys 2022 Infosys Global Agile Developer Certification - Infosys 2022 PROFESSIONAL STRENGTHS
JavaScript expertise • React problem-solving • API integration • Performance focus Clear communication • Reliability • Attention to detail • Problem-solving skills ADDITIONAL INFORMATION
• Experience working in cross-functional, multicultural teams.
• Strong interest in frontend architecture, performance optimization, and accessibility.
• Continuous learner with academic exposure to AI, ML, and data-driven systems.
• Authorized to work for any U.S. employer.