Headline

Frontend Engineer | Javascript | MERN | Full Stack | React Developer

About

I am an experienced Software Engineer with a strong background in web development and a Bachelor's degree in Computer Science. My expertise lies in languages such as HTML, CSS, JavaScript, ReactJS, Redux, TypeScript, Python, and Django. I have a proven track record of delivering intuitive user interfaces and enhancing the overall user experience for various clients. Additionally, I have developed RESTful APIs, configured Webpack build scripts, and consistently maintained high code quality. In previous roles, I have successfully mentored teams, ensured timely project completion, and resolved issues by implementing best practices. With my technical proficiency, collaborative approach, and problem-solving skills, I am well-equipped to contribute effectively to any software development project.

Location

Bengaluru

AI stack

claude code

claude

codex

cursor

gemini

github copilot

Work experience

Software Engineer - E5 at Whatfix, Apr 2025 - Present · 1 yr 5 mos, Bengaluru, • Built a real-time Customization Engine to monitor browser storage (localStorage, sessionStorage, cookies, and JS variables) and react instantly to data changes without page refreshes. • Implemented cross-tab event listeners and sub-second polling (500–1000ms) to reliably detect state changes within and across browser tabs. • Enabled dynamic, context-aware UI behavior by notifying subscribed components in real time, allowing content to show/hide based on live user actions. • Built an LLM-based evaluation system to assess the accuracy of AI-generated output by comparing predicted results with expected output. This helped prompt performance and provided deeper insight into the reliability of the AI feature.

Software Development Engineer at Avataar, Apr 2022 - Mar 2025 · 3 yrs, Bengaluru, Karnataka, India, • Developed immersive XR/AR experiences using Three.js, 8thwall, React JS, React Native, JavaScript, HTML, and CSS, transforming static product views into interactive 3D and AR models that significantly boosted user engagement and session duration. • Partnered with product teams to build cross-browser AR+XR applications, leveraging React Query and responsive web design principles to ensure consistent performance and accessibility across devices and browsers. • Led the rendering team in building a reusable 3D component library, published on npm, with a custom Three.js-based renderer integrated with Scene and ARCore, streamlining XR feature development and reducing duplication across projects. • Established a shared UI component system and automated infrastructure deployments using Jenkins, integrating with Git, CI/CD pipelines, and cloud services to standardize workflows and enable faster, more reliable releases of scalable AR/XR applications.

Full Stack Developer at Flipkoins, Aug 2021 - Apr 2022 · 9 mos, Bengaluru, Karnataka, India, • Designed and implemented scalable, maintainable systems for multiple medium-scale applications using MERN stack (MongoDB, Express, React, Node.js), and AWS (Lambda, SQS), ensuring high availability and performance across platforms. • Built dynamic frontends with React, Redux, and React Native, creating seamless user experiences across web and mobile while promoting maintainable architecture through modular component design. • Contributed backend solutions using Python, Django, and MongoDB, integrating APIs and databases to support robust feature development and enabling smooth data flow in high-traffic applications.

SOFTWARE DEVELOPMENT ENGINEER at TechSlate, Nov 2020 - Jul 2021 · 9 mos, Gurugram, Haryana, India, • Architected and delivered stable, scalable systems for medium-scale apps using Ruby on Rails, Django, MERN stack, React, Redux, React Query, and AWS services like Lambda and SQS, enabling long-term maintainability and smoother product iterations. • Built cross-platform applications with React Native, Python, and MongoDB, streamlining backend and mobile workflows, accelerating feature delivery, and improving consistency across user experiences.

Software Developer at Acuments, Mar 2019 - Nov 2020 · 1 yr 9 mos, Chennai Area, India, • Built and deployed multiple medium-scale web applications for clients using Ruby on Rails, Python/Django, MERN stack, React, Redux, Phoenix Framework, and AWS, translating designs into responsive, maintainable UIs and improving overall delivery speed. • Improved web app performance from 20 to 85 on Google PageSpeed Insights, by optimizing code, configuring Webpack, and applying performance best practices, leading to faster load times and enhanced user satisfaction. • Implemented automated bf CI/CD pipelines with Jenkins and GitHub Actions, ensuring reliable cloud infrastructure deployments and seamless collaboration with remote teams on AWS and Serverless platforms. • Maintained high code quality and developer efficiency using Jest, React Testing Library, ESLint, Prettier, Husky, and consistent code reviews, fostering a clean and scalable codebase across all projects. • Led a small cross-functional team and collaborated with designers and stakeholders, mentoring two developers and one QA, gathering requirements, resolving issues, and delivering projects like JollyHQ, Roameo, BeamDock, and more—on time and with high quality. • Mentored a team of two developers and one QA to deliver the product on Time and Proactively liaised with the design team to ensure optimal user experience. Developed RESTful APIs, configured Webpack build scripts and wrote testable code. • Projects included JollyHQ, JollyFMS, Roameo, InstantAutographs, ScanTheMarket, BeamDock and several others.

Education

Bachelor's degree, Computer Science, JIET Jodhpur

Public links

github: https://github.com/lalitkumar1994