Hire the Best Chart.js Developers

Hi, Everyone! I'm ✅ Top-rated professional with over 7 years of commercial experience. ✅ One of the best Three.js developers on Upwork with 100% job success rate! ✅ React frontend developer with a strong knowledge and experience in 3D web applications. Looking to bring your 3D vision to life? Let’s chat and make it happen! What I Can Do for You 1. Develop robust product or data management platforms. 2. Create advanced data annotation tools for 3D assets. 3. Design and implement versatile 3D configurators and editors. 4. Develop custom 3D tools, interactive landing pages with immersive experience. 5. Work with various data formats (e.g., FBX, GLTF, OBJ) and integrate them smoothly into your projects. Implement “View in AR” functionality. 6. Create complex animations and visual effects. 7. Develop mini games. Incorporate physics into your application using engines like cannon-es. 8. Help you to visualize large point cloud datasets on the web 9. Perform various frontend development tasks, including layout and design using REACT, HTML, CSS, and JavaScript. 10. Optimize code for improved performance and scalability. Debug and resolve complex code issues efficiently. Tech stack: Frontend Development: Three.js, React, R3F, Redux, Potree, Chart.js, JavaScript, GLSL, HTML5, CSS3, SASS. Backend Development: Node.js, Express, AWS, puppeteer. Tools and Software: Visual Studio Code, GitHub, GitLab.

🌟 Senior Full-Stack Engineer & Solution Architect | .NET, React, Azure | AI-Assisted Development 💬 “Nitin is an exceptional developer with deep architectural insight—delivers efficient, scalable solutions and communicates complex ideas clearly.” — Dhwani K., BCG 👋 Hi there, thank you for checking out my profile! I’m Nitin, a Senior Full-Stack Engineer (11+ years) helping businesses modernize legacy systems, ship modern React frontends, and build secure .NET + Azure backends—always with a strong architectural foundation and future-ready design. I’ve delivered projects for Microsoft, BCG, Harman, Nagarro, Digital Juice, BusyBoxx, Lutron, McCarthy & Vaughn, and MROCorp across industries including healthcare, airlines, lighting/IoT, construction, and e-commerce. ✨ My differentiator: I combine proven engineering practices with AI-assisted development (Copilot, ChatGPT, Cursor) to accelerate productivity, improve documentation, and deliver enterprise-ready solutions faster. ✅ What I Do (Full-Stack End-to-End) ⚛️ Frontend Engineering → Responsive UIs with React, TypeScript, MUI5, Tailwind, TanStack (Query, Table, Virtual), and advanced charting. Migrated old ASP.NET/Angular apps to React/Angular latest with better performance and usability. 🖥️ Backend & APIs → Robust .NET 6/8 Web APIs, EF Core, Dapper, SQL Server—modular, secure, and scalable. Skilled with microservices and modular monolith architectures. 🗄️ Database & Search → Expertise in SQL Server, MongoDB, Elasticsearch, Redis for high-performance queries and intelligent search features. ☁️ Cloud & DevOps → Deployments on Azure App Services, AKS with Pods, IIS, Docker, CI/CD pipelines. Focused on secure, observable, and highly available systems. 🔐 Identity & Security → Migrated legacy ASP.NET/custom auth to OpenID Connect / OAuth 2.0 / JWT with ASP.NET Identity. Implemented RBAC and SSO-ready solutions. ⚡ AI-Driven Productivity → Leveraging Copilot, ChatGPT, Cursor AI to accelerate development, streamline testing/documentation, and deliver enterprise-ready solutions faster. 🚀 Recent Highlights 🏗️ McCarthy Vaughn Constructions → Delivered Safety Audit & Leadership Engagement modules with React + .NET 8 + SQL Server. Migrated from ASP.NET WebForms to modern stacks, deployed on Azure, and implemented reporting, user management, and authentication modernization. 💡 Lutron (Lighting & IoT) → Migrated legacy .NET Framework & Angular apps to React, Angular latest, and .NET 8 with a microservice architecture and secure token-based authentication. ✈️ Airlines (BCG) → Built shared libraries and data-heavy React UIs (ZBN, Pathfinder, Sentry) for real-time operations and disruption management. 🖊️ Microsoft (Virtuoso) → Designed a dynamic UI framework rendering configurable screens from JSON, added SQI/RAID/review workflows, and deployed to Azure cloud-native environments. 🛒 E-commerce (Digital Juice/BusyBoxx) → Delivered Elasticsearch + Redis search/admin tools, boosting content discovery and reducing infrastructure costs. 🏥 Healthcare (MROCorp, Nagarro) → Architected HIPAA-compliant APIs, audit logging, and modernization strategies for enterprise-grade healthcare applications. 🛠 Tech Stack (Keywords) Frontend: ⚛️ React, TypeScript, MUI5, Tailwind, TanStack, Charting, Angular Backend: 🖥️ .NET 6/8, .NET Framework, C#, EF Core, Dapper, Node.js/Fastify Cloud/DevOps: ☁️ Azure App Services, AKS with Pods, Service Bus, APIM, Functions, IIS, Docker, CI/CD Databases: 🗄️ SQL Server, MongoDB, Elasticsearch, Redis Architecture: 🏗️ Clean Architecture, Microservices, Modular Monolith, Caching, Telemetry, Secure Auth Domains: ✈️ Healthcare, Airlines, Construction, Lighting/IoT, E-commerce, Media 💼 Why Work With Me? ✔️ 11+ years delivering enterprise-grade solutions across industries ✔️ Proven expertise in legacy → modern migration (.NET Framework → .NET 8, Angular/ASP.NET → React/Angular latest) ✔️ Cloud-native delivery across Azure App Services, AKS, IIS, and Docker ✔️ Strong foundation in architecture, scalability, security, and compliance ✔️ Endorsed with LinkedIn recommendations highlighting technical excellence & leadership 📞 Let’s Connect If you’re looking for a full-stack partner who can modernize legacy systems, build new cloud-native applications, and deliver with AI-enhanced speed and precision, let’s talk. I’ll propose a clear, phased plan tailored to your project and business goals. Best Regards, Nitin R

- GIS SOFTWARES & TOOLS: . QGIS . ArcGIS . GRASS . SAGA - GIS -> WEB DEVELOPMENT: . MapboxGL . Leaflet . OpenStreetMap. . Google Maps API . Azure Maps - WEB DEVELOPMENT: . JavaScript . JQuery . PHP . Bootstrap - CONTENT MANAGMENT SYSTEMS - CMS: . WordPress . Bubble.io . Wix . Squarespace . ShareTribe - WEB LIBRARIES/APIs: . AmplitudeJS . TurfJS . Photo Sphere Viewer . JSPanel . Threebox . DeckGL . Geojson Path Finder . Leaflet Ant Path . Google Street View API . Google Places API . ChartJs - DATABASE: . SQL . PostGIS . PostgreSQL . AirTable . Google Sheet API - OTHERS: . Bubble.io Plugin Development . Google Maps Scraping . Google Chrome Extension Development

I help businesses fix accessibility issues and achieve WCAG & ADA compliance without breaking design, speed, or user experience. I fix accessibility issues directly in your website’s code — fast, safe, and without breaking layouts or speed, ensuring real usability improvements. ✅ 50+ websites fully accessible & delivered successfully ✅ Free 1-page accessibility assessment — see results before you hire Results I’ve Delivered: • Improved accessibility scores from 40–60 → 90+ • Fixed 200+ WCAG issues across multiple websites • Helped clients pass ADA compliance audits successfully I improve accessibility across platforms like WordPress, Shopify, Webflow, Squarespace, and React — while maintaining performance, SEO best practices, and usability. What I Do Manual & automated accessibility audits (WCAG 2.2 AA/AAA, ADA, Section 508, EN 301 549) Accessibility remediation: full code fixes (HTML, CSS, ARIA, JavaScript, React, Vue, Svelte) Website compliance: WordPress, Shopify, Webflow, Wix, and custom platforms Mobile app accessibility: React Native, iOS, Android Accessibility testing: JAWS, NVDA, VoiceOver, TalkBack Why Clients Hire Me Avoid costly ADA & website accessibility lawsuits Real code-level fixes (not just reports or automated scans) Pass compliance audits with confidence Improve usability for all users on any device or platform Experience across multiple platforms and complex front-end systems Fast turnaround — from urgent 2-hour fixes to full compliance projects Clear, actionable reports with guaranteed improvements Ongoing support after project completion Free Accessibility Scan Send your site URL today for a free 1-page accessibility assessment and get a clear action plan for WCAG & ADA compliance.

If you are looking for a reliable and innovative Full Stack Web developer, I am happy to help you with my web development skills to achieve your business and technology goals. My core strengths are in building user-centric and scalable web applications with the most popular stack - ReactJs, Angular, Svelte, NextJs, Node.js, Three.js, Express.js, HTML, CSS, Firebase and REST API. Integration, SaaS, and Automation are the most desirable functions for any business application and I am fortunate to have good experience in these areas as well as Zapier, Payment Gateways (Paypal, Stripe), SMS platforms (Twilio, Plivo), Customer Support (Zendesk) and developing cloud functions in AWS and GCP for various automation needs. My Key Skills are the following: Frontend ○ Angular ○ React ○ NextJs ○ Vite ○ HTML, CSS, JAVASCRIPT, TYPESCRIPT ○ Three.js ○ Tinymce ○ Tailwind CSS ○ Jquery ○ Firebase (Auth, Firestore, Realtime Database, Functions, Storage, Cloud Messaging FCM, Dynamic Links, Crashlytics, Hosting) ○ PWA ○ Polotno SDK ○ NuxtJS ○ Dynamic Form Builder ○ Localization using i18next Backend ○ NodeJS ○ ExpressJS Database ○ Firestore ○ Mysql ○ Sqllite ○ MongoDB ○ Postgresql Google Cloud ○ Cloud Task, Cloud Run, Cloud Functions ○ Cloud Scheduler ○ Cloud Deploy, Cloud Build, Cloud Repository ○ Cloud Storage ○ Cloud SQL Amazon Web Services (AWS) ○ Amazon S3 ○ EC2 ○ CloudFront ○ Amazon Route 53 ○ amazon rds AI Integration ○ Ai models (chatGpt , Gemini , claude ai , Llama ) ○ Vector DataBases (PineCone, chroma Db) ○ Hungging face model integrations ○ Ai Chat Bot Creations 🔰 API Integrations: ○ Google Sheet, Google Drive, Gmail ○ Google App Script ○ Shopify ○ Plaid API Integration ○ SMTP (Nodemailer) ○ Plivo ○ Zendesk ○ eFax ○ Quickbase ○ Payment Integrations - Stripe, Paypal, Recurly ○ OAuth2 Integration ○ Ffmpeg ○ Puppeteer (Web Automation) ○ Social Auth (Google, Facebook, Github, LinkedIn, Microsoft, Twitter) ○ Phone Number Authentication Server Management ○ Web Hosting ○ Ngnix ○ Letsencrypt During my tenure of 5+ years as a developer, I have helped many clients build their business applications from scratch which include Corporate Websites, Online Stores and Custom applications / PWA for HealthCare communication, Utilities job management, Product Label Design & Printing, Affiliates Commission Tracking, Real Estate Lease management, Business Funding Application and the list keeps going. I can also develop Desktop apps using Electron JS. Let’s have a quick chat to discuss your ambitious project and I’ll leave no stone unturned to make it a reality. Thanks

🌍 GIS Developer with 6+ years of experience building interactive maps, responsive dashboards, spatial databases, backend APIs, and automation systems. A recent Mapbox application I developed efficiently displayed and clustered more than 16,000 addresses. My solutions help businesses: 🗺️ Visualize locations and geospatial data 📍 Manage properties, territories, and service areas 📊 Turn complex datasets into actionable dashboards ⚙️ Automate repetitive operational workflows 🔄 Synchronize customer data across business platforms 🚀 Launch scalable, production-ready web applications 🗺️ Interactive Maps & GIS Applications I develop custom mapping applications using Mapbox, Google Maps, Leaflet, MapLibre, PostGIS, QGIS, and ArcGIS services. My mapping capabilities include: • Location search, filtering, and geocoding • Territory and service-area management • Custom map layers, markers, popups, and controls • Property discovery and location-based search • Polygon drawing, routing, and spatial measurements • Heatmaps, clustering, and data-driven visualization • GeoJSON and geospatial dataset processing • Real estate, field operations, and business mapping platforms 💻 Full-Stack Geospatial Development I build complete applications, from the spatial database and backend architecture to the final responsive dashboard. ✔ Frontend: React, Next.js, TypeScript, JavaScript, Mapbox GL JS ✔ Backend: NestJS, Node.js, REST APIs ✔ Databases: PostgreSQL, PostGIS ✔ Mapping: Mapbox, Google Maps API, Leaflet, MapLibre, QGIS ✔ Additional: Flutter, React Native, WordPress, and third-party integrations My focus is clean architecture, maintainable code, performance, security, and long-term reliability. ⚡ Automation & API Integrations I develop automation systems that reduce manual work and reliably synchronize business platforms. 🤖 Automated lead detection, form submission, and claiming 🔗 GoHighLevel webhook processing and contact synchronization 🏠 HouseCallPro estimate-event integrations 📍 Address-based customer matching 🔄 External platform and CRM data synchronization ⏱️ Cron-based background automation 🛡️ Retry and fallback queues for failed API operations 🕸️ Web scraping and browser automation ⭐ Why Work With Me? 🏆 Top Rated Upwork freelancer 💯 100% Job Success Score ✅ 33 completed Upwork projects 📜 Registered Engineer 🎓 Bachelor of Engineering in GIS 💬 I provide clear milestones, regular progress updates, and documented handover so clients always know the project’s current status and next steps. 🧩 Clean, scalable, and maintainable solutions 💡 I do more than embed maps. I design reliable geospatial systems around your business requirements, data, and long-term goals. 📩 Send me your mapping requirements, existing application, workflow, or dataset, and I’ll recommend the most practical implementation approach.