Puneet D.

Full Stack Developer | Third Party Integration | API | PHP | WordPress

🌟 Integration Specialist | API & Enterprise Integrations | Google Merchant Center | Full-Stack Developer | 8+ Years Experience 👋 Hi, I'm Puneet — an Integration Specialist and Full-Stack Developer with 8+ years of experience building, integrating, automating, and troubleshooting APIs, SaaS platforms, enterprise systems, and complex business workflows. My core strength is connecting different systems and making them work together reliably. Throughout my career, I have worked with platforms including: Microsoft Azure | Google Workspace | Salesforce | CrowdStrike | SentinelOne | Tanium | Tenable | HubSpot | Zoom | Dropbox | Adobe | QuickBooks | AWS | Slack | JAMF | Active Directory | Google Merchant Center I have hands-on experience with REST APIs, OAuth 2.0, API Keys, JWT, webhooks, data synchronization, product feeds, third-party APIs, custom workflows, and system-to-system integrations. 🔗 API & Enterprise Integration ✅ Third-Party API Integration ✅ REST API Development & Integration ✅ Enterprise & SaaS Integrations ✅ API Authentication & Authorization ✅ OAuth 2.0 / JWT / API Keys ✅ Webhooks & Event-Based Integrations ✅ Data Mapping & Synchronization ✅ JSON / XML APIs ✅ API Troubleshooting & Debugging ✅ cURL / Postman / Swagger ✅ Business Workflow Automation ✅ Middleware & Backend Integrations ✅ CRM, Marketing & Cloud Integrations ✅ Payment Gateway Integrations I'm comfortable working with both well-documented and unfamiliar APIs. I can understand documentation, authentication, data structures, API limitations, and business requirements and turn them into reliable integrations. 🛒 Google Merchant Center & Product Feed I have extensive hands-on experience with Google Merchant Center APIs and the complete product feed workflow. ✅ Merchant Center API Integration ✅ Product Feed Creation & Management ✅ Automated Feed Generation ✅ Product Catalog Synchronization ✅ Product, Price & Inventory Updates ✅ Feed Processing & Validation ✅ Merchant Center Diagnostics ✅ Feed Error Troubleshooting & Resolution ✅ Product Data Mapping & Transformation ✅ Product Disapproval Investigation ✅ Automated Feed Updates I work across the complete flow: Product Data → Feed Creation → Merchant Center → Processing → Diagnostics → Issue Resolution → Synchronization I can troubleshoot feed/API issues, product validation errors, data inconsistencies, and build automated processes to keep product information synchronized. 💻 Full-Stack & Backend Development My integration expertise is supported by strong development experience. Backend: PHP, Laravel, CodeIgniter, Node.js, Express.js Frontend: JavaScript, React.js, AngularJS, TypeScript, jQuery, HTML5, CSS3, Bootstrap Databases: MySQL, PostgreSQL, MongoDB, MSSQL Cloud: AWS, Microsoft Azure, Google Cloud, DigitalOcean ⚙️ What I Can Help With ✔ Build custom API integrations ✔ Connect multiple SaaS and enterprise platforms ✔ Automate business workflows ✔ Integrate Google Merchant Center ✔ Build and automate product feeds ✔ Synchronize products, inventory and pricing ✔ Troubleshoot API and authentication issues ✔ Implement OAuth 2.0, JWT and API-key authentication ✔ Build webhook-based workflows ✔ Fix broken or unreliable integrations ✔ Synchronize data between platforms ✔ Develop custom middleware and backend services ✔ Integrate CRM, security, cloud, payment and marketing platforms ✔ Work with complex or poorly documented APIs 🧩 Complex Integration & Troubleshooting I’m experienced in taking over existing integrations, understanding how systems communicate, identifying the root cause of failures, and improving unreliable workflows. I can troubleshoot: ✔ Authentication & token failures ✔ API permission and authorization issues ✔ Invalid or inconsistent data ✔ Feed validation and product errors ✔ Webhook failures ✔ Data synchronization problems ✔ API rate limits and unexpected responses ✔ Third-party API changes ✔ Duplicate or missing records ✔ Integration performance issues I can work with existing codebases, API documentation, logs, Postman collections, webhooks, database structures, and third-party dashboards to identify and resolve integration issues. 🤝 Integration SME / Technical Consultant Beyond development, I can work directly with stakeholders to understand business requirements, evaluate integration options, identify technical limitations, and recommend practical solutions. Whether you are building a new integration, fixing an existing one, automating a manual process, or connecting multiple enterprise systems, I can help take it from requirements through implementation and troubleshooting. 💳 Payment & Business Integrations Stripe | PayPal | Razorpay | ICICI Bank Payment Gateway | CRM APIs | Marketing APIs | Shipping & Logistics APIs | Social Media APIs | Google APIs 🛠 My Approach I focus on the complete integration lifecycle: Requirements → Authentication → API Architecture → Data Mapping → Development → Testing → Error Handling → Synchronizatio