Kamlesh Kumar, Developer in Ghaziabad, Uttar Pradesh, India
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Kamlesh Kumar

Bio

Kamlesh is a senior front-end engineer specialising in React and Redux, React Native, Next.js, with 10+ years of experience building enterprise dashboards, SaaS platforms, and real-time applications. With strong back-end expertise in Node.js, he brings full-stack capabilities that ensure seamless integration between UI and APIs. Kamlesh has worked with enterprise clients like Walmart, Gartner, and Cruise. C

Portfolio

SafeAI
Agile, React, TypeScript, Node.js, Next.js, GraphQL, Tailwind CSS, Full-stack...
Xebia Group
React, JavaScript, Redux, Jest, Enzyme, Front-end, CSS, Charts, REST APIs...
Spraxa Solutions Pvt
C#, Elastic, Node.js, React, Redux, MongoDB, MySQL, PostgreSQL, JavaScript...

Experience

  • JavaScript - 10 years
  • React - 8 years
  • Redux - 6 years
  • TypeScript - 5 years
  • Node.js - 5 years
  • Next.js - 4 years
  • MongoDB - 4 years
  • GraphQL - 4 years

Preferred Environment

Windows, Visual Studio Code (VS Code), GitHub, MacBook

The most amazing...

...project I've worked on was with Cruise; it was for autonomous vehicles data management. We created a lot of visualization tools for ML engineers.

Work Experience

Senior Software Engineer

2023 - 2025
SafeAI
  • Developed a fleet management system that tracks all the equipment on the site. Their live GPS has positions and modes like driving, loading, or stopping. Developed assignment management system and analytics tools with dynamic charts.
  • Worked on bug fixes and improvements in the performance of existing applications.
  • Increased the application performance by 40% in terms of speed, effectiveness, and size of the files after the revamp.
  • Performed a lot of live data integration with multidirectional communication using Socket.IO and GraphQL. This system manages autonomous vehicles that drive on the mining sites.
Technologies: Agile, React, TypeScript, Node.js, Next.js, GraphQL, Tailwind CSS, Full-stack, Front-end, Chart.js, D3.js, Material UI, Storybook, Signals, Redux, Jest, React Testing Library, JavaScript, Microfrontends, Internet of Things (IoT), Tailwind UI, Redux Toolkit, Vite, GitHub Actions, Serverless Architecture, Git, Jira, Microsoft Office, RabbitMQ, Design, UI Libraries, UI Frameworks, Single-page Applications (SPAs), Analytics, Vercel, Docker Compose, Redis, Atomic Design, MERN Stack, Application State Management, WebSockets, React Components, Kubernetes, Generative Artificial Intelligence (GenAI), AI Tools, Component Testing, Mapbox, Mobile Development, Python, Canvas, SVG, Progressive Web Applications (PWAs), Zustand, Playwright, Large Language Models (LLMs), AI Integration, Linux, RTK Query, Figma to React, Shadcn, HTTPS, Back-end, CSS-in-JS, API Design, Swagger, Prisma, AWS Lambda, Apollo Client, GraphQL API, SendGrid API, SendGrid, Database Migration, Apollo Server, Amazon Elastic Container Service (ECS), MUI CSS, Web Design, React Hook Form, JSON Web Tokens (JWT), UI Testing, MobX, Responsive UI

Senior Consultant | Walmart

2021 - 2022
Xebia Group
  • Collaborated with the product and design team and participated in groomings.
  • Served as a primary front-end team member working on an eCommerce web app.
  • Optimized accessibility issues and standards in the application, considering A11Y rules.
  • Created filter components, vouchers, and recipe views.
  • Added test cases for old code and optimized existing code and test cases.
Technologies: React, JavaScript, Redux, Jest, Enzyme, Front-end, CSS, Charts, REST APIs, Agile, Test-driven Development (TDD), User Experience (UX), eCommerce, GraphQL, Apollo, CSS3, Responsive Web Design (RWD), Front-end Development, Webpack, Material UI, Vanilla JS, ECMAScript (ES6), REST, SaaS, DevOps, CI/CD Pipelines, JSON, React Redux, Testing, SCSS, Babel, HTML5, Flux, Postman, Full-stack Development, API Integration, Server-side Rendering (SSR), Google Sign-in, Bootstrap, UI Components, Web Development, UI Development, API Development, Styled-components, Axios, MongoDB, Front-end Design, Front-end Architecture, React Router, React Query, NPM, Mobile First, Code Review, Cloud, JSX, Pixel Perfect, Localization, Dashboards, Responsive, Git, GitLab, Jira, Microsoft Office, Ajax, Contentful, Design, UI Libraries, UI Frameworks, Back-end Development, Ant Design, Headless CMS, Single-page Applications (SPAs), Application State Management, Forms, React Components, Databases, Team Leadership, WebGL, Back-end, Accessibility, Web Accessibility, API Design, SendGrid API, Database Migration, Web Design, Content Management Systems (CMS)

Senior Full-stack Developer

2017 - 2021
Spraxa Solutions Pvt
  • Created a visitor application in React, Node.js, and React Native, developing most of the web back end and front end.
  • Developed a solution to track sales and coolers at remote locations. This was part of a bigger project with 4-5 applications built in React.
  • Built a case management system for a medical software provider client while working as a full-stack developer.
  • Led a team of five developers working on an IoT project for 2.5 years and played a key role in requirements discussions and demos.
Technologies: C#, Elastic, Node.js, React, Redux, MongoDB, MySQL, PostgreSQL, JavaScript, APIs, Canvas 2D, Charts, Visual Studio, Healthcare IT, Mirth Connect, Electronic Medical Records (EMR), REST APIs, Amazon Web Services (AWS), Web Services, React Native, Data Visualization, ASP.NET, Front-end Development, ECMAScript (ES6), REST, Architecture, Software Architecture, JSON, React Redux, Team Leadership, Microservices, Babel, HTML5, Flux, Full-stack Development, API Integration, Single Sign-on (SSO), Material Design, Web Development, UI Development, FFmpeg, jQuery, ASP.NET MVC, DigitalOcean, Axios, Data Management, Front-end Design, NPM, Startups, Minimum Viable Product (MVP), Socket.IO, Code Review, Leadership, Healthcare, Pixel Perfect, Microsoft SQL Server, Dashboards, Azure Blobs, Responsive, Internet of Things (IoT), Google Maps API, .NET Core, .NET, Firebase, Sencha UI, Confluence, Microsoft, RabbitMQ, Ajax, UI Frameworks, Back-end Development, Analytics, Web3, MERN Stack, WebSockets, Expo, Mobile Development, Python, Canvas, SVG, Databases, HIPAA Compliance, Electron, Azure Blob Storage, Back-end, Prisma, Database Migration, Web Design

Software Developer

2015 - 2017
Spraxa Solutions
  • Developed a tracking system, using Google and ALK Maps, allowing clients to track the location of their trucks and trailers.
  • Created invoice reports using C1 Reports and created a system in C# to generate automated reports based on JSON information.
  • Built a mobile application using Sencha Touch, allowing drivers to track orders and tasks and check routes.
  • Integrated multiple third-party APIs to fetch and use data in our application.
  • Integrated Quickbooks with our application so that it was user-friendly and invoices could be shredded directly on QuickBooks through tasks. Customer, order, and invoice data were synced between the apps.
Technologies: C#, JavaScript, HTML, SQL, Ext JS, User Interface (UI), APIs, GitHub, Maps, Express.js, Visual Studio, ASP.NET, Front-end Development, Live Chat, Web Scraping, Mobile, Twilio API, UI Development, jQuery, SignalR, Data Management, Twilio, Angular, NPM, Socket.IO, Leadership, Healthcare, Microsoft SQL Server, Dashboards, Azure Blobs, Internet of Things (IoT), Google Maps API, .NET Core, .NET, Sencha UI, Ajax, Forms, Expo, Mobile Development, Canvas, SVG, Databases, Team Leadership, Electron, Azure Blob Storage, Back-end, Web Design

Trainee Software Developer

2013 - 2015
Durlabh Computers
  • Built a dispatching system for tailored logistics, which included creating and modifying trips and adding modifying tasks during trips.
  • Created Ext JS grids and forms for multiple screens, including multilevel forms.
  • Developed views, procedures, and triggers for the business logic.
  • Learned .NET and SQL and developed my first application here.
Technologies: .NET, C#, SQL, JavaScript, HTML, Ext JS, User Interface (UI), Visual Studio, ASP.NET, Live Chat, Active Server Pages (ASP), Mobile, jQuery, Java, Microsoft SQL Server, Sencha UI, Databases

Experience

Capterra by Gartner

Capterra is a popular online platform that helps businesses and individuals discover and compare software solutions across various industries and use cases. It offers detailed product listings, reviews, ratings, and side-by-side comparisons for software in categories such as project management, customer relationship management (CRM), accounting, and more. Capterra also provides user-generated feedback and insights, allowing potential buyers to make informed decisions based on real-world experiences. Businesses commonly use it to research and choose the best software for their specific needs.

ASDA – by Walmart

The ASDA Groceries website allows users to shop for a wide range of groceries online, including fresh produce, pantry staples, and household essentials. Customers can create an account, browse products, add items to their cart, and choose delivery or collection options. The site also features special offers and recipes to inspire meal planning.

Centra | A Machine Learning (ML) Platform for ML Engineers at Cruise

https://www.getcruise.com/
I built a machine learning platform using Node.js and React. This web app allows ML engineers to analyze various data types, including images and JSON responses, and manage their models. Users can run, schedule, re-run, and manage models, and utilize tools for dynamic JSON representation, DAG, charts, and dynamic grid report generation.

Zeno – Fleet Management

This is a web application for autonomous vehicle companies. This app has main features like vehicle tracking, vehicle management, assignment management, dashboards, analytics tools, live tracking, map management, etc.

CoolR

https://www.coolrgroup.com/
An IoT solution to track coolers and outlets remotely. IoT devices are installed at the outlets inside coolers to collect data such as temperature, light, humidity, motion, GPS, and images to track the stocks. All data is synced to the cloud using hubs. I worked on this project for four years as a senior and lead developer, handling back-end, mobile, and web applications. The project involved four applications–three web and one mobile.

Tailored Logistics Solutions (TLS)

A web application that includes orders, customers, trips, shipping information, a dispatching system, a truck tracking system, and commodities. I worked on this project for two years as a full-stack developer.

NUVO EMR | Scheduling System

A React-based electronic medical records application used to manage patient information and schedule cases with doctors for operations and other procedures. Doctors can manage case information, media, and images. I worked in the front end of this application as a senior engineer.

Education

2013 - 2016

Bachelor's Degree in Computer Science

Uttar Pradesh Technical University - Kanpur, India

2010 - 2013

Three-year Diploma in Information Technology

Board of Technical Education Uttar Pradesh - Lucknow, India

Certifications

OCTOBER 2025 - PRESENT

Al For Developers

Udemy

Skills

Libraries/APIs

Node.js, React, React Redux, React Router, Context API, React Testing Library, React Hook Form, D3.js, Chart.js, REST APIs, API Development, React Query, Playwright, OpenAI API, Apollo Client, GraphQL API, SendGrid API, MobX, Mirth Connect, Twilio API, Formik, FFmpeg, jQuery, SignalR, Socket.IO, Google Maps API, Web3.js, Leaflet, WebGL, Claude API

Tools

GitHub, Visual Studio, NPM, JSX, Git, Jira, Elastic, Canvas 2D, Figma, Postman, Redux Toolkit, Sencha UI, GitLab, Confluence, Expo, Canvas, RTK Query, Shadcn, Prisma, SendGrid, Webpack, Babel, ChatGPT, RabbitMQ, Docker Compose, Claude, Amazon Elastic Container Service (ECS)

Languages

JavaScript, SQL, HTML5, HTML, CSS, TypeScript, ECMAScript (ES6), C#, SCSS, GraphQL, CSS3, Sass, Active Server Pages (ASP), Java, Python

Frameworks

Ext JS, Redux, .NET, React Native, Next.js, Tailwind CSS, Material UI, MUI CSS, JSON Web Tokens (JWT), Jest, ASP.NET, Bootstrap, Ant Design, Electron, Swagger, Express.js, Vanilla JS, Cypress, Flux, ASP.NET MVC, NestJS, Angular, .NET Core

Paradigms

Agile, Responsive, Mobile Development, Unit Testing, Test-driven Development (TDD), UI Design, UX Design, Responsive Web Design (RWD), DevOps, Testing, Microfrontends, HIPAA Compliance, REST, Microservices, Serverless Architecture, Rapid Prototyping

Platforms

Visual Studio Code (VS Code), Azure, Blockchain, Firebase, Microsoft, Linux, Amazon Web Services (AWS), Google Cloud Platform (GCP), Docker, Mobile, DigitalOcean, Twilio, Contentful, Vercel, Kubernetes, Mapbox, AWS Lambda

Storage

MongoDB, Databases, MySQL, PostgreSQL, Amazon S3 (AWS S3), Elasticsearch, JSON, Microsoft SQL Server, Azure Blobs, Database Migration, Google Cloud, Redis

Industry Expertise

Web Design, Healthcare

Other

Charts, User Experience (UX), User Interface (UI), Front-end, Full-stack, Front-end Development, Team Leadership, Full-stack Development, API Integration, UI Components, Web Development, UI Development, Styled-components, Axios, Front-end Design, Front-end Architecture, Startups, Minimum Viable Product (MVP), Mobile First, Code Review, Pixel Perfect, Dashboards, Tailwind UI, Ajax, Design, Analytics, MERN Stack, Application State Management, React Components, AI Tools, Component Testing, Progressive Web Applications (PWAs), Figma to React, Back-end, Responsive UI, Healthcare IT, APIs, Enzyme, eCommerce, Data Visualization, Artificial Intelligence (AI), Back-end Development, SaaS, CI/CD Pipelines, Material Design, Design Systems, OpenAI, Leadership, Cloud, Localization, Signals, Internet of Things (IoT), Vite, Crypto, UI Libraries, UI Frameworks, Single-page Applications (SPAs), Cryptocurrency, Atomic Design, Forms, WebSockets, Generative Artificial Intelligence (GenAI), SVG, AI Integration, Cursor AI, HTTPS, Azure Blob Storage, CSS-in-JS, Accessibility, API Design, Apollo Server, Content Management Systems (CMS), UI Testing, Maps, Electronic Medical Records (EMR), Data Grids, Web Services, Apollo, Storybook, Live Chat, Architecture, Software Architecture, Web Scraping, Server-side Rendering (SSR), Google Sign-in, Single Sign-on (SSO), HL7, Data Management, ChatGPT API, Google Cloud Functions, GitHub Actions, Microsoft Office, Headless CMS, A/B Testing, A11Y, Web3, MacBook, Zustand, Large Language Models (LLMs), SDKs, Webhooks, Prompt Engineering, Web Accessibility, Cloudflare, GitHub Copilot Chat, ChatGPT Prompts

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