An enthusiastic full-stack developer specializing in .NET frameworks, Angular, React and Machine learning engineering . Currently, I'm working as a senior full-stack engineer at Sentient Geeks and open to taking up challenging and long-term assignments. During my work, you can expect great attention to detail and quality of code for your projects. I am passionate about clean code and problem-solving with the most efficient algorithms possible. I have worked on many enterprise level projects involving back-end and front-end development. ➥Our technology stack and capabilities: *********************************************** 💻 Frameworks: ASP.Net Boilerplate, ABP Framework, ABP.IO framework, ABO.IO (Commercial) 💻 Front end: Angular React.js, Vue.js, HTML5, CSS, JavaScript, Typescript 💻 Mobile App frameworks: Swift, Native Andoid, Flutter, React Native, Xamarin 💻 Back end: Node.js, Firebase, PHP, C#, ASP.NET Core, Entity Framework, Web API 💻 State management:Redux,NgRx. 💻 Databases: MongoDB, DynamoDB, PostgreSQL, SQL Server, MySQL/MariaDB. 💻 Third-Party API:SMS & IVR Gateways: Twilio, Esendex, Payment Gateways: PayPal, Stripe, Authorize.NET, Google Checkout,Chat API: WebRtc, Quick-box, Social Media: Facebook, Twitter, LinkedIn, Google , e - Signature: DocuSign, Order & Account: Amazon MWS, QucikBook 💻 Principles:SOLID,DRY,KISS. 💻 Infrastructure: Kubernetes, Docker, GitHub, AWS, Azure, Digital Ocean 💻 Integrations: Stripe, Google, Mail chimp, Hub spot. ➥For Machine Learning and AI: ************************************ 🔹 Generative AI (e.g. GPT-3, ChatGPT, Open AI) ✅ Natural Language Processing & Text Analysis - chat-bots, text parsing and information extraction, full-text search. 🔹 Machine learning - object detection and recognition, classification, clustering, forecasting ✅ AI back-end development (Fast API, Docker, Gunicorn) 🔹 Time Series Forecasting: site traffic forecasting, churn prediction, insurance value estimation. ✅ Machine Learning frameworks such as TensorFlow, PyTorch, Sklearn, and Spark Ml lib. 🔹 Design and build Machine Learning and AI models. ✅ Deploy trained models in Production environments . ➥I have 5+ years of hands-on experience on a number of Microsoft technologies including C#, Swift, Xamarin/MAUI, UWP, WPF, Win Forms, Web API, ASP.NET, and SQL Server. Last three years I am working extensively on Xamarin & successfully delivered 12+ Xamarin app using Xamarin.Forms, Xamarin.iOS and Xamarin.Android based on MVVM structure. I have migrated a couple app from Xamarin to MAUI. I am pretty confident to deliver application without any supervision. I have expertise in the following aspect : 🔹- Xamarin (Forms, iOS, Android), UWP, WPF 🔹- MVVM structure 🔹- Database: SQLite, SQL Server, PostgreSQL 🔹- Web API, RESTful API - GIT Looking forward to speaking about any project type and the possibility of working together to build great products. If you have any queries, feel free to reach me anytime.

🏅Top Vetted | 𝟐𝟎+ 𝐘𝐞𝐚𝐫𝐬 𝐢𝐧 𝐏𝐫𝐨𝐝𝐮𝐜𝐭 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 | 𝟖+ 𝐘𝐞𝐚𝐫𝐬 𝐢𝐧 𝐃𝐚𝐭𝐚 & 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞 Expert in .𝐍𝐄𝐓!! 𝐗𝐚𝐦𝐚𝐫𝐢𝐧!! 𝐌𝐀𝐔𝐈!! 𝐏𝐨𝐰𝐞𝐫 𝐁𝐈!! 𝐍𝐨𝐝𝐞.𝐣𝐬!! 𝐀𝐧𝐠𝐮𝐥𝐚𝐫!! 𝐑𝐞𝐚𝐜𝐭.𝐣𝐬!! 𝐇𝐈𝐏𝐀𝐀!! 𝐕𝐁.𝐍𝐄𝐓!! 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭!! I help businesses build scalable digital products and turn their data into clear, actionable insights. My strength lies in bridging engineering, analytics, and business decision-making so products don’t just function well, they perform and grow. I’ve partnered with clients across Healthcare, Finance/BFSI, E-commerce, Travel, Oil & Gas, and Marketing, delivering end-to-end solutions from MVPs and enterprise platforms to executive dashboards and analytics systems. Whether you need a modern web/mobile application, a data-driven business platform, or Power BI/Tableau dashboards backed by clean data pipelines, I bring strategy, execution, and long-term scalability to every project. 𝐖𝐡𝐚𝐭 𝐈 𝐃𝐨 𝐁𝐞𝐬𝐭: 🚀 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐖𝐞𝐛 & 𝐌𝐨𝐛𝐢𝐥𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ✅ Frontend: React, Next.js, Angular, Vue.js ✅ Backend: Node.js (Express, NestJS), ASP.NET Core Web API, Django, Flask, Laravel ✅ Mobile: React Native, Flutter, Swift, Kotlin, .NET MAUI ✅ State Management: Redux, Zustand, Recoil, MobX ✅ Databases: PostgreSQL, MySQL, MongoDB, Firebase, Microsoft SQL Server ✅ Auth & Security: JWT, OAuth, RBAC ✅ Cloud & DevOps: AWS, Azure, Firebase, Docker, CI/CD, WebSockets, SignalR, GraphQL, REST APIs I design systems that are secure, high-performance, maintainable, and ready to scale... not just quick builds. 📊 𝐁𝐈, 𝐃𝐚𝐭𝐚 𝐀𝐧𝐚𝐥𝐲𝐭𝐢𝐜𝐬 & 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞: ✅ BI Tools: Microsoft Power BI, Tableau ✅ Analytics: Operations Analytics, Product Analytics, KPI & Metrics Design ✅ Data Engineering: ETL Development, Data Modeling, Data Warehousing ✅ SQL Expertise: Complex joins, CTEs, window functions, performance optimization ✅ Data Preparation: Cleaning, transformation, blending from multiple sources ✅ Outputs: Executive dashboards, automated reports, data storytelling I don’t just create dashboards... I ensure stakeholders understand the “why” behind the numbers and can act on them confidently. 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐚𝐛𝐥𝐞𝐬 𝐘𝐨𝐮 𝐂𝐚𝐧 𝐄𝐱𝐩𝐞𝐜𝐭: • Scalable web & mobile applications • MVPs and startup-ready platforms • API-driven backend architectures • Power BI / Tableau dashboards • Custom reports & business insights • SQL queries & data pipelines • Automated reporting & analytics systems 💡 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞: ✔ Full Product Ownership – From idea → build → analytics → optimization ✔ Business-First Thinking – Technology aligned with real business outcomes ✔ Cross-Domain Expertise – Healthcare, Finance/BFSI, E-commerce, SaaS ✔ Clear Communication – I translate complex tech and data into clarity ✔ Reliable Delivery – On-time, well-documented, production-ready work ✔ Long-Term Partner Mindset – Not just execution, but strategic guidance 𝐘𝐨𝐮𝐫 𝐏𝐫𝐨𝐝𝐮𝐜𝐭. 𝐘𝐨𝐮𝐫 𝐃𝐚𝐭𝐚. 𝐁𝐮𝐢𝐥𝐭 𝐭𝐨 𝐏𝐞𝐫𝐟𝐨𝐫𝐦. If you’re looking for a senior engineer who can build your platform and make sense of your data, you’ll find me highly reliable, hands-on, and outcome-driven. 📩 Let’s discuss how I can help you build, analyze, and scale with confidence. Best Regards, Piyoosh

I develop software applications across desktop, web, and mobile platforms, with a strong focus on reliability, maintainability, and real-world usage. I have over 10 years of professional experience building and supporting production systems. My work includes desktop applications built with the .NET ecosystem, full-stack web applications using ASP.NET / ASP.NET Core with modern JavaScript frameworks, and mobile applications developed using cross-platform technologies. I often work on systems that involve account management, external integrations, databases, and business-critical workflows. On the web side, I build API-driven applications with React or similar front-end frameworks backed by .NET services. For desktop and mobile applications, I focus on clean architecture and predictable behaviour so systems remain stable as they evolve. I’ve delivered software used in production by real users, ranging from internal business tools to customer-facing applications. I value clear communication, practical decision-making, and code that’s easy to support long-term. If you need a developer who can work across platforms and take ownership of the full application lifecycle, I’m happy to discuss your project.

Over 10+ years of experience in IT industry, involving in Software Design, Analysis, Development integration and Testing at client and server side in various domains such as transport, finance, etc. My Skills: • Experience in .NET Framework/Core • Experience with C# 10 and .NET 6 and earlier versions • Experience in React, Angular, Node, HTML5, JavaScript and CSS • Windows desktop application development experience • Experience with Windows and WCF services development • Experience in Microservice API and REST services and understanding of containers • Experience with WPF GUI Modular application development • Practical experience using MVVM design pattern and DevExpress WPF controls • Exposure in multi-process .NET applications • Relational database experience MySQL & SQL Server • Understanding of message queues and middleware. • Experience with SDLC tools, like Jira, bitbucket, bamboo Confluence, GIT source control system • XAML-based user interface development experience (e.g., WinUI 3, UWP, WPF) • Experience with LINQ to XML • Understanding of XML schemas (XSD) • Integration with third party softwares like Act, Quick Books, UPS/USPS. • Ability to work independently • Git version control • Solid understanding of testing principles and high-quality software • Excellent written and verbal English communication skills. DEVOPS Experience: 1.) Docker for containerization of projects 2.) GITHUB Actions for CI/CD over Ec2-Instance 3.) AWS CI/CD over S3 bucket 4.) Jenkins for project build and deployment. 5.) Docker-compose for managing and launching micro services using YML compose. 6.) ElasticBeanstalk Worked in an Agile team of .NET developers for a fast-paced software development firm. Worked on 10+ SQL database design projects. Improved speed to complete projects by 35% in 15 weeks. Developed and provided maintenance for 20+ .NET websites/applications, using ASP.NET MVC, jQuery, HTML, and CSS. Achieved 100% client satisfaction and on-time completion. Created remote coding and testing environment with bash and Docker scripts.

Experties : 1. Master in Cyber Security and Digital Forensics 2. 10 years Software Manager in industry 3. 15 years C/C++ development , esp, IoT/Hardware 4. 5 years Android Apps Development with Kotlin and .NET MAUI 5. 4 years Python and Tensorflow Development 6. 3 years Mobile and HDD Forensics Experience with Upwork's client : 1. Breached Apple devices forensics investigation 2. IoC analysis and DFIR investigation 3. .NET MAUI 10 4. .NET WPF development for Image processing. 4 apps LIVE in Apps store 5. Android native development 6. IoT , Arduino, Raspberry Software development

I help businesses fix slow, outdated, and hard-to-scale web applications by building fast, secure, and scalable solutions using .NET technologies. With 10+ years of experience, I’ve solved complex challenges across industries like healthcare, finance, education, and ERP systems. 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐎𝐟𝐟𝐞𝐫𝐞𝐝: 🌐 Full Stack Web Development 📱 Responsive Web Design 💡 Custom Web Application Development ✅ Software Development & Maintenance services 🔧 API Development and Integration 🔒 Database Management 🚀 Deployment and Optimization ◆ ERP Software development and maintenance 🏆 𝐑𝐞𝐚𝐬𝐨𝐧 𝐭𝐨 𝐇𝐢𝐫𝐞 𝐦𝐞! ⚈ 1 Year Support After Delivery ⚈ 24x7 always Tech Support in Upwork. ⚈ Secure Source code at GitHub, Bitbucket, TFS, SVN ⚈ Get real-time project tracking with Azure DevOps, Asana, JIRA, Zoho

I help startups, SaaS companies, and enterprises build scalable web applications, mobile apps, and cloud-based systems using modern Microsoft technologies, cross-platform mobile frameworks, and AI-powered solutions. With 12+ years of experience in full-stack development and mobile application engineering, I specialize in building end-to-end digital products including SaaS platforms, startup MVPs, enterprise systems, ERP/CRM solutions, and high-performance mobile applications across iOS, Android, web, and cloud environments. My expertise includes: • Full-stack web application development (.NET Core, ASP.NET, C#) • Cross-platform mobile app development (Flutter, Xamarin, .NET MAUI) • SaaS platforms & startup MVP development • Enterprise software & CRM/ERP systems • AI integrations & intelligent automation systems • API development & third-party integrations • Cloud architecture & scalable backend systems • Admin dashboards & business applications • Application modernization & performance optimization Microsoft & Backend Expertise: • ASP.NET Core, ASP.NET MVC & Razor Pages • C#, .NET, Entity Framework • Angular & Blazor frontend development • REST APIs & microservices architecture • SQL Server, MySQL, PostgreSQL, MongoDB • Azure cloud services & DevOps pipelines Mobile App Development: • Flutter cross-platform applications • Xamarin Forms & .NET MAUI apps • Native Android (Kotlin, Java) • Native iOS (Swift, SwiftUI) • Push notifications, real-time features & device integrations • Mobile UI/UX optimization for performance & scalability AI & Automation Experience: • OpenAI / ChatGPT integrations • AI-powered SaaS applications • AI chatbots & virtual assistants • Workflow automation systems • OCR & intelligent document processing • AI-integrated web & mobile applications Cloud, DevOps & Architecture: • Microsoft Azure (App Services, Functions, DevOps) • CI/CD pipelines & automated deployments • Scalable system architecture & performance tuning • Cloud database & storage solutions • Enterprise-grade security & optimization I have worked on SaaS platforms, enterprise applications, healthcare systems, fintech solutions, eCommerce platforms, CRM/ERP systems, startup MVPs, and custom mobile and web applications across multiple industries. ✔ $200K+ earnings ✔ 12,000+ hours worked ✔ 12+ years of professional experience ✔ Top Rated Plus profile ✔ Strong record of enterprise-grade delivery I focus on building scalable, secure, and business-driven digital solutions with clean architecture, strong performance, and excellent user experience across web, mobile, and cloud platforms. Whether you need a SaaS platform, enterprise system, mobile app, startup MVP, AI-integrated solution, or full-stack cloud application, I can help turn your idea into a reliable, scalable, and production-ready product. Let’s discuss your project.

AI enabler | Principal architect & engineer Hello and welcome, I’m Hardik Mistry, a former Microsoft MVP with 15+ years of experience designing, scaling, and securing AI-powered and cloud-native systems for startups and Fortune 500 companies. I specialize in helping organizations adopt AI responsibly, modernize infrastructure, and optimize costs while ensuring performance, reliability, and security. From building real-time data platforms to deploying LLM-powered applications, my mission is simple: deliver solutions that scale and generate measurable business impact. WHAT I DELIVER • AI-Powered Systems → Chatbots, copilots, and enterprise AI agents using Azure OpenAI, Cognitive Services, and custom LLMs • Cloud Architecture at Scale → High availability (HA/DR), containerization, multi-region deployments, and cloud migrations • Performance Engineering → Low-latency backend design handling 100K+ concurrent users • DevSecOps Enablement → Tooling, automation, and security for engineering teams of any size • FinOps & Cost Optimization → Helping enterprises cut cloud spend without sacrificing performance INDUSTRIES SERVED FinTech, Healthcare, eCommerce & Retail, EdTech, Fashion, Customer Support Platforms TECH STACK EXPERTISE • Cloud & AI: Microsoft Azure, Azure OpenAI, Cognitive Services, AWS (intermediate) • Architecture: HA/DR, Cloud Migration, Multi-tenant SaaS, Event-driven systems • Engineering: C# .NET, Node.js, Dapr, APIs, IoT, Xamarin, MAUI • Data & Monitoring: ElasticSearch + Kibana, Prometheus, Azure AppInsights • DevOps & Security: Azure DevOps, GitHub Actions, Container Apps, Azure Defender HIGHLIGHT PROJECTS • AI Chatbot for a top lending company in Australia (Azure Cognitive Services + OpenAI) • Real-time IoT Data Pipeline with less than 200ms latency into Azure • EV Charging Backend built on OCPI protocols • Boosted productivity for 40+ engineers by driving DevOps adoption on Azure • Architected a SaaS customer support/sales tool (similar to ZenDesk/Pipedrive) • Performance engineering for scalable backend serving 100K+ concurrent users • Implemented enterprise HA/DR strategies ensuring SLA compliance WHY CLIENTS HIRE ME • Proven track record with Fortune 500 companies and high-growth startups • Unique blend of AI expertise, cloud architecture, and enterprise engineering • Ability to translate technical complexity into business outcomes • Hands-on mentorship and leadership for engineering teams If you’re looking to scale AI initiatives, modernize cloud infrastructure, or reduce cloud costs while improving performance — let’s connect. I typically respond within 24 hours.

👋 Hi, I'm Dhaval — Senior Full Stack Developer | React.js | Node.js | .NET | Cloud With 13+ years of experience, I build modern, scalable, and high-performance web & mobile applications that drive real business results. From US taxation systems to stock exchange (LSE) trading platforms, I’ve delivered reliable, enterprise-grade solutions that stand the test of scale and complexity. 💡 What I Bring to the Table Frontend: React.js, Next.js, Angular, Blazor, Vue.js, Electron Backend: Node.js, C# .NET (ASP.NET Core/MVC), Microservices, REST & GraphQL APIs Integrations: Zoom, QuickBooks, Zoho, Google Maps, Payment & CRM APIs Mobile: React-Native, Xamarin.Forms (Cross-platform) AI & Automation: Smart workflows and ML-driven insights Cloud & DevOps: Azure DevOps, AWS (Lambda, Cognito, API Gateway, DynamoDB) Databases: SQL Server, PostgreSQL, MySQL, MongoDB, DynamoDB ⚙️ Tools & Frameworks I Use Redux, NgRx, Highcharts, AG Grid, Material UI, Ant Design, Bootstrap, jQuery, Sequelize, Mongoose, WCF, MVVM, NServiceBus 🚀 Why Clients Choose Me Proven experience leading architecture and development of complex systems Passion for clean code, scalability, and long-term maintainability Excellent communication, reliability, and on-time delivery Flexible across time zones with a proactive, problem-solving mindset Let’s collaborate to build something impactful — whether it’s a new idea from scratch or enhancing your existing platform. I’m open to both short-term projects and long-term partnerships.

I am a Senior Full-Stack Developer and Solution Architect with 8+ years of experience delivering scalable, production-ready web, mobile, and AI-powered applications. I work across the full stack React, Next.js, Node.js, ASP. NET Core, and Blazor and design reliable backend systems with clean APIs, secure data handling, and modern architectures. I also build and integrate AI solutions using Open AI and Claude, helping businesses automate workflows, generate content, and scale intelligently. My background includes SaaS platforms, AI automation systems, recruitment platforms, event-based applications, and publishing tools. I am comfortable taking full ownership of projects: requirements analysis, architecture, development, deployment, and long-term support. What I bring to your project Full-stack development (React, Node.js, ASP .NET Core, Blazor) AI & LLM integrations (Open AI, Claude, multi-model systems) System architecture & technical decision-making Cloud & DevOps experience (AWS, Azure) Database design (SQL Server, PostgreSQL, NoSQL) Clear communication & client-focused delivery I focus on building maintainable, scalable, and cost-effective solutions that align with real business goals—not just writing code.