Headline

Frontend Engineer | React.js Specialist | Express.js | Redux | Frontend Architecture | Web Performance | UI/UX | AI-Powered User Experiences | Performance Optimization

About

I’m a Frontend Engineer with a strong focus on building fast, scalable, and user-friendly web experiences using React.js and modern frontend technologies. My work sits at the intersection of engineering, performance, and user experience. I enjoy solving problems related to frontend architecture, UI responsiveness, maintainability, and performance optimization—while keeping the end user at the center of the solution. Over time, I’ve become increasingly interested in how AI is changing the way we design and build digital products. As AI-powered and agentic systems become more capable, frontend engineering will play an important role in making those systems understandable, intuitive, and trustworthy for users. I’m especially interested in exploring how React, UI/UX, performance engineering, and AI can come together to create the next generation of intelligent applications. Areas I’m particularly interested in: • React.js and modern frontend development • Frontend architecture and scalable UI systems • Web and application performance optimization • UI/UX engineering • AI-powered user experiences • Agentic AI and human-AI interaction • Emerging technologies and digital innovation I enjoy continuously learning, experimenting with new technologies, and sharing ideas around frontend development, AI, and the future of software engineering. I’m always interested in connecting with engineers, technology leaders, and professionals working on innovative digital products.

Location

Pune District

AI stack

anthropic apis

antigravity

claude code

claude

codex

gemini

Work experience

Frontend Developer at Tata Consultancy Services, Oct 2022 - Present · 4 yrs 2 mos, Pune/Pimpri-Chinchwad Area, Build and optimize scalable, high-performance web applications with a strong focus on React.js, UI/UX quality, maintainability, and application performance. Key areas of contribution: • Develop reusable, modular frontend components using React.js and modern JavaScript practices. • Translate product and business requirements into intuitive, responsive, and maintainable user interfaces. • Improve frontend performance through rendering optimization, efficient state management, code-splitting, and component-level improvements. • Collaborate with cross-functional teams including designers, backend engineers, QA teams, and product stakeholders to deliver end-to-end features. • Identify and resolve UI performance bottlenecks, browser compatibility issues, and user-experience inconsistencies. • Contribute to frontend architecture decisions with an emphasis on scalability, code quality, and long-term maintainability. • Build responsive experiences that work consistently across devices, screen sizes, and modern browsers. • Participate in code reviews, debugging, testing, and continuous improvement of frontend engineering standards. • Explore emerging technologies and AI-assisted development approaches to improve developer productivity and create smarter digital experiences. Core focus: React.js | JavaScript | Frontend Architecture | UI/UX Engineering | Performance Optimization | Responsive Web Development | Component Design

Javascript Developer at Tata Consultancy Services, Oct 2022 - Present · 4 yrs 2 mos, Collaborated closely with cross-functional teams, including designers, back-end developers, and product managers, to develop, test, and maintain key user interface components, ensuring seamless performance and responsiveness across multiple devices and browsers. Designed and implemented reusable React.js components and custom hooks, improving code modularity and reducing development time by 30%, enhancing overall project efficiency and maintainability. Optimized system performance by implementing code splitting, lazy loading, and performance profiling techniques, reducing page load time by 35% and ensuring a smooth user experience across Chrome, Firefox, Safari, and Edge browsers. Led bug fixing and performance tuning efforts, implementing automated testing with Jest and React Testing Library, resulting in high-quality, error-free code and a 70% reduction in production bugs. Conducted thorough code reviews for team members, enforcing React best practices, clean code principles, and maintainable coding standards across the development team, improving code quality by 40%. Implemented responsive design principles and CSS frameworks, including TailwindCSS and Bootstrap, to ensure pixel-perfect UI across all screen sizes. Collaborated with UX/UI designers to translate Figma mock-ups and wireframes into functional, interactive React components.

Assistant System Engineer at Tata Consultancy Services, Oct 2022 - Mar 2026 · 3 yrs 6 mos, Pune/Pimpri-Chinchwad Area, Architected and delivered high-performance user interfaces using React.js and Redux, resulting in a 25% increase in user engagement across flagship web applications. Led the design and implementation of a centralized, reusable React component library, which standardized UI/UX patterns and reduced development time by 30% for cross-functional teams. Optimized application performance by implementing code-splitting, lazy loading, and Webpack configurations, achieving a significant decrease in page load times and improving Core Web Vitals. Collaborated with Product and Design teams to translate complex wireframes into responsive, mobile-first interfaces using modern CSS (SASS/Tailwind) and Babel for cross-browser compatibility. Mentored junior developers and spearheaded rigorous code reviews, ensuring 100% adherence to best practices, accessibility (WCAG) standards, and maintainable clean code. Integrated complex RESTful APIs and managed asynchronous state, ensuring seamless data flow and a robust, low-latency user experience.

Process Executive at Randstad, Oct 2021 - Nov 2022 · 1 yr 2 mos, Pune Division, Maharashtra, India, Developed and maintained dynamic web applications utilizing React.js, focusing on building scalable and modular frontend architectures. Improved system efficiency by refactoring legacy class components into Functional Components with Hooks, leading to a cleaner codebase and easier feature iteration. Executed responsive design principles to ensure a consistent user experience across desktop, tablet, and mobile devices, contributing to a 15% lift in mobile user retention. Partnered with Backend Engineers to define API contracts and utilized Postman for testing RESTful API integrations, reducing integration-related bugs by 20%. Automated frontend testing using Jest and React Testing Library, increasing unit test coverage to over 80% and ensuring high-quality, stable production releases.

Frontend Developer at Randstad India, Sep 2021 - Sep 2022 · 1 yr 1 mo, Developed responsive landing pages and web applications using HTML5, CSS3, JavaScript, and React.js optimized for all devices, including desktops, tablets, and mobile phones. Contributed to the team's successful transition to modern front-end development by being an early adopter of the React.js framework, improving development workflow, and component re-usability. Implemented modern front-end tools and workflows, including Webpack, Babel, and npm scripts, streamlining developer workflows and enhancing project execution efficiency by 20%. Ensured a consistent user experience by developing interfaces compatible with Chrome, Firefox, Safari, Edge, and Internet Explorer. Collaborated with back-end developers to integrate front-end components with RESTful APIs using AJAX and Fetch API.

Education

Bachelor of Engineering - BE, Computer Science, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad

Public links

github: https://github.com/sandylamture03

portfolio.lamsan.online: https://portfolio.lamsan.online/