UI Developer with 10+ years of experience delivering scalable, high-performance enterprise web applications across Banking, Travel, E-commerce, and Microsoft domains. Strong expertise in React.js, Redux Toolkit, AWS Lambda, and TanStack Query, with a focus on building secure, reliable, pixel-perfect user experiences. Proven record of improving front-end performance by ~30%, reducing development time by 20–25% through reusable component libraries, and delivering production-ready solutions on time through close collaboration in Agile teams. Adept at translating Figma designs into accessible, responsive UI that meets WCAG standards.

Ashok Kumar

UI Developer with 10+ years of experience delivering scalable, high-performance enterprise web applications across Banking, Travel, E-commerce, and Microsoft domains. Strong expertise in React.js, Redux Toolkit, AWS Lambda, and TanStack Query, with a focus on building secure, reliable, pixel-perfect user experiences. Proven record of improving front-end performance by ~30%, reducing development time by 20–25% through reusable component libraries, and delivering production-ready solutions on time through close collaboration in Agile teams. Adept at translating Figma designs into accessible, responsive UI that meets WCAG standards.

Available to hire

UI Developer with 10+ years of experience delivering scalable, high-performance enterprise web applications across Banking, Travel, E-commerce, and Microsoft domains. Strong expertise in React.js, Redux Toolkit, AWS Lambda, and TanStack Query, with a focus on building secure, reliable, pixel-perfect user experiences.

Proven record of improving front-end performance by ~30%, reducing development time by 20–25% through reusable component libraries, and delivering production-ready solutions on time through close collaboration in Agile teams. Adept at translating Figma designs into accessible, responsive UI that meets WCAG standards.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert

Language

English
Advanced
Telugu
Fluent
Kannada
Advanced

Work Experience

IT Analyst (Senior Software Engineer) at Tata Consultancy Services (TCS)
December 1, 2021 - Present
Developed scalable micro-frontend applications for the US Bank Customer Onboarding Platform using React.js and Redux Toolkit. Built reusable UI components using the USB Shield Design System, translating Figma into pixel-perfect, cross-browser interfaces to reduce UI development time by ~25%. Implemented secure REST APIs using JWT and AWS Lambda, optimizing request handling and caching to cut API response latency by ~20%. Managed complex state and improved data fetching efficiency with Redux Toolkit and TanStack Query, eliminating redundant API calls and improving performance by ~30%. Achieved 85%+ unit test coverage using Jest and Vitest. Led CI/CD deployments via Jenkins and collaborated with Product, UX, QA, and Backend teams to deliver sprint features on time.
Software Engineer at Hexaware Technologies
October 1, 2020 - December 1, 2021
Built and maintained HNI (office furniture e-commerce) front-end experiences across multiple brand websites using React.js and reusable component libraries. Implemented end-to-end catalog, customization, wish list, cart, and multi-payment checkout flows to improve conversion rates. Converted Figma/UI designs into pixel-perfect responsive interfaces optimized for desktop, tablet, and mobile while meeting WCAG accessibility standards. Integrated REST APIs for product data, user accounts, wish list, and payment workflows, reducing data load time by ~20%. Resolved critical production bugs, improving stability and reducing customer-reported issues by ~35% in the first quarter. Delivered features in a 2-week Agile Scrum cadence with cross-functional collaboration.
Software Engineer at Teletext Holidays
December 1, 2019 - September 1, 2020
Developed and maintained Rock Insurance white-label travel insurance portals for multiple providers, supporting scalable, brand-customizable policy workflows. Built an internal call-centre application for policy management, quote generation, customer lookup, and insurance support, reducing average agent handling time by ~25%. Integrated medical insurance APIs to enable secure end-to-end policy purchases and real-time validation across brands. Created reusable TypeScript components with responsive UIs for desktop, tablet, and mobile, ensuring zero critical cross-browser issues. Collaborated with cross-functional teams to integrate REST APIs, resolve production incidents, and ship features on a 2-week release cadence. Conducted unit testing, bug fixing, and code reviews to achieve 95%+ defect resolution within SLA timelines.
Software Engineer at HCL Technologies
March 1, 2018 - December 1, 2019
Delivered responsive marketing and product websites for Microsoft Surface, Windows Store, Lumia, and HoloLens, supporting 37+ global locales using Microsoft Compass CMS. Built reusable UI modules and responsive components, reducing page load time by ~15%. Managed and published localized content for global launches and promotional campaigns, meeting release deadlines. Converted UI/UX designs into pixel-perfect, cross-browser compatible pages aligned with WCAG accessibility and responsive design requirements. Collaborated across onsite/offshore teams in sprint planning and code reviews, achieving a 98% on-time delivery rate. Optimized website assets and rendering pipeline to reduce average page load time by ~15%.

Education

Bachelor of Technology (B.Tech) at Jawaharlal Nehru Technological University (JNTUA)
January 1, 2010 - January 1, 2014

Qualifications

Add your qualifications or awards here.

Industry Experience

Financial Services, Travel & Hospitality, Retail, Software & Internet, Media & Entertainment

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert