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I am a US-based Senior PHP & WordPress Developer with 14+ years of experience building, optimizing, and troubleshooting high-performance web applications, SaaS platforms, and e-commerce systems. Since 2011, I’ve helped startups, agencies, and established businesses launch, maintain, and scale their websites—with hundreds of successful projects completed across PHP, Laravel, CodeIgniter, WordPress, WooCommerce, and custom backend systems. I specialize in solving difficult technical problems and improving the stability and performance of existing platforms, including: ✔ Backend Development (PHP / Laravel / CodeIgniter / Drupal) 🔹 API development & integrations 🔹 Authentication, OTP, admin panels 🔹 Cron jobs, queues, logic debugging 🔹 Building secure, scalable backend systems 🔹 Custom PHP development & legacy code modernization 🔹 Payment gateway and third-party API work ✔ WordPress & WooCommerce Expertise 🔹 Custom plugins & theme development 🔹 WooCommerce customization & API integrations 🔹 Database optimization, speed tuning, caching 🔹 Troubleshooting complex site issues 🔹 Migrations, fixes, redesigns, and enhancements ✔ Full-Stack Web Development 🔹 PHP, JavaScript, jQuery, Ajax, JSON, JQuery, ReactJS, VueJS 🔹 Bootstrap, Tailwind, HTML5/CSS 🔹 SaaS development 🔹 Dashboard and UI/UX improvements ✔ Server & Infrastructure Troubleshooting 🔹 VPS / cPanel / Cloudflare / AWS Lightsail / Azure 🔹 Fixing crashes, downtime, SSL, DNS, redirects 🔹 Email deliverability, PHP mailer fixes, MySQL errors ✔ Database & Performance Optimization 🔹 MySQL indexing, query optimization 🔹 High-traffic site improvements 🔹 Fixing slow sites, 500 errors, memory issues ✔ Payment Gateways Integration 🔹 Stripe, PayPal, Braintree, Square, Authorize.net, Klarna ✔ Integrations, APIs & Data Feeds 🔹 REST API development & third-party API integrations 🔹 IDX / MLS real estate data feed integration & customization 🔹 Twilio (SMS, Voice, OTP), Sinch 🔹 Mailgun (Transactional Email) 🔹 Webhooks, automation workflows, custom API endpoints ✔ DevOps & Version Control 🔹 Git, GitHub, Bitbucket, GitLab, JIRA 🔹 Docker for containerized development

I'm a senior PHP developer with 25 years of experience, working with companies that need a reliable hand on the codebase that runs their business. My work is split between two kinds of projects: building new applications from scratch, and taking over existing ones. On the new-build side, that's usually custom SaaS applications, E-Commerce Systems and business tools, including auth, billing, dashboards, admin panels, and integrations. On the takeover side, it's stepping into existing codebases, stabilizing them, and building the features that have been stuck in the backlog. I work in Laravel, CodeIgniter, other PHP Frameworks and custom PHP. A lot of senior developers won't touch non-framework code. I will, and a meaningful share of my long-running clients and projects are exactly that: businesses with critical applications written outside the major frameworks, that need a developer who'll keep them running and extend them rather than push for a rewrite. Most of my clients turn into long-term relationships. A lot of my contracts have run for years, which I think says more than anything I could put on this profile. My focus is backend: PHP, MySQL, integrations, and API work, plus Linux and server administration when a project needs it. I handle frontend work too (JavaScript, HTML, CSS) when full-stack services are needed. I work independently, communicate directly, and don't need much hand-holding to get going on a project. If that sounds like the kind of developer you need, send me a message and let's get to work.

I have 12 years plus extensive hands-on experience in PHP/MySQL, WordPress, CodeIgniter, Laravel, Flutter, Python , Django , HTML/CSS3/Bootstrap, JavaScript/jQuery/Ajax, React JS, Angular JS, and Node JS for website development and responsive web designing. Frontend and Backend development using PHP/MySQL, CodeIgniter, Laravel, Pythong , Django , React & Angular JS WordPress website , Theme & development and designing PSD /HTML to WordPress website theme and website development/designing HTML/HTML5 , CSS/CSS3, JavaScript/jQuery, React JS, Angular JS, Node JS, Bootstrap, Photoshop PSD to HTML/CSS/BOOTSTRAP Template Designing Database: MySQL, Mongo DB, PostgreSQL, SQL Server, Editors: Sublime Text, Notepad++, NetBeans , VS code , Android Studio - Strong in Developing Web Apps using PHP and CMS (WordPress, Squarespace, WIX , Joomla) - Strong in Developing Enterprise level Web Apps using PHP/MySQL and MVC Framework - CodeIgniter and Laravel - Strong in Developing Mobile Apps using Flutter (Dart , C/C++) and React Native - Making Dynamic themes using WordPress, Magento CMS, and Bootstrap Responsive Design - Good in Customizing WordPress, Squarespace, Joomla themes - Web scrapping using Python / Django - An experienced team lead and team player with excellent communication and interpersonal skills who can work independently under pressure - Self-motivated, goal-oriented, and great desire to learn

Edison NJ Based Magento 2 Developer with 15 Plus years of programming and project management experience, I have developed a wide range of eCommerce stores, Web based Application System, & Custom Software. Ecommerce Specialty: ✅ Magento 1 and Magento 2 ✅ Shopify ✅ Woo Commerce Magento Services: ✅ Magento 2 Development ✅ PSD to Magento Development ✅ Figma to Magento Development ✅ Magento Theme Integration including Hyvä Magento 2 Theme ✅ Custom Magento 2 Development ✅ Magento Upgrade and Magento Migration to and from Shopify, Big Commerce, Woo Commerce ✅ Magento Multi Store Development ✅ Magento Multi Language ✅ Magento Speed Optimization ✅ Magento Store Maintenance Programming Languages: ✅ Frontend - HTML, CSS, SCSS, Bootstrap, ReactJS, NextJS, Angular JS, VueJS, React-Query, Graphql-request, ✅ Backend - Laravel, Codeigniter, NodeJS, TypeScript, ASP.Net MVC, .Net Core ✅ Database - MySQL, PostgreSQL, MongoDB. ✅ Payment Gateways - PayPal, Authorize.net, Stripe. ✅ Version Control - Git, Bitbucket, Gitlab, Github. ✅ Creating REST Services and APIs using Swagger ✅ Project Management Tools - JIRA, ASANA, Azure, JIRA Confluence, Slack, Trello.

Hello client, Before going further describing my skills, I would take opportunity to thank all my clients who trusted me and to Upwork for providing such a wonderful platform. We know that Client’s reviews are one of the best sources to validate my skills; I would like to highlight some of the reviews of my clients: 1. Job title: Pricing Table Customization "You will find several skilled professionals but rarely the kinds of Himadri who has been so dedicated, sincere and committed. The level of enthusiasm she has for her work shows clearly. My work was complicated and I am very happy that after a lot of effort I found the perfect person for the job. She is technically very sound and possibly has a solution for almost any website development issues. There was some misunderstanding related to a certain aspect of the project however she reworked all portions and fixed everything. One word - "Splendid" It was a delightful experience with her and I will positively work with her again. Kudos Himadri" 2. WooCommerce Fields Factory Modification "This has been the best experience on UpWork so far! Himadri has great communication and is fully capable of anything that was thrown at her. She completed the job above and beyond my expectations. She is a favorite, for sure! If you're still filtering through potential bids, STOP here! You will not be disappointed with her quality of work! 5/5 STARS!" 3. WordPress plugin - Form Mapping + Frontend UI dev. "Himadri is an excellent Upworker. Her critical thinking skills are exceptional and I could not recommend her more highly." Moving to my skills, I am an experienced developer working with frameworks like WordPress, CodeIgniter, Laravel. I am also having expertise in the customization of WordPress themes and plugins. I have clarity in core PHP and Object Oriented concepts which helps me learn new PHP frameworks easily. I also have experience working with Shopify customization. Moreover, I am a Data Scientist and an AWS Certified expert who can handle complex Data Science based projects. My skills are as mentioned below – • Web development – Core PHP development using Object Oriented concepts • PHP frameworks – WordPress | CodeIgniter | Laravel • WordPress customization – Customized plugins and themes • Shopify Theme customization • Front-end development – HTML5 + jQuery | Bootstrap • Database – MySQL • Third party API integration – oAuth Login | Payment Gateway • AWS Services - SageMaker, Endpoint creation, S3 • Artificial Intelligence and Machine Learning • Natural Language Processing • Image Processing I am passionate about programming and have good logical and debugging skills which boost my confidence to reach the solution of complex programming problems. I am proficient in English language necessary to communicate with clients. Contact me if you are willing to work with an enthusiastic, reliable and hardworking developer who is ready to explore new knowledge always.

✅ Meta App Approvals — Guaranteed. Or You Don't Pay. While others guess their way through Meta's review process, I've spent 10+ years engineering the systems behind it. I don't just get approvals. I build the products that need them. 📊 The Numbers: 🏆 260+ Projects Completed 💰 $200K+ Earned on Upwork ⭐ Top Rated Plus | Top 3% Globally | 5-Star Rated 🚀 60+ Apps Approved in the last 6 Months 🔐 400+ Permissions Secured 🛠️ 30+ SaaS Products Built from scratch on Meta APIs Most freelancers submit your app with hope but I know exactly what Meta's reviewers want because I've been in this ecosystem since before most developers knew the API existed. 🎯 You bring the vision. I'll bring the build and the badge. 🚫 Rejected by Meta? I fix that fast. If you're hitting the "Invalid Screencast" wall or stuck in an endless rejection loop, you're not alone and you're in the right place. I've rescued hundreds of clients from exactly this situation. I handle everything, I record the screencast myself, prepare the full submission, and manage direct communication with Meta's review team until you're approved. Most clients get the green light in 1–10 business days. Meta & Social Platform Approvals: ✅ Meta App Reviews or API Permission Approvals Expert ✅ Facebook App Review Expert ( Facebook Pages & Instagram & Ads & Threads) API Permissions Approval for Advanced Access ✅ Facebook API permissions Approval Expert ✅ Instagram API Permissions Approval Expert ✅ Meta Marketing / Ads API Permissions Approval Expert ✅ Threads API Permissions Approval Expert ✅ Expert Facebook/Instagram/Telegram/WhatsApp Chatbot Developer ✅ Expert in API integration ✅ Expert Facebook API Developer ✅ Expert Instagram API Developer ✅ Facebook Tech Provider/ Access Verification Expert ✅ Facebook Business Account Verification Consultant ✅ Meta App Data Deletion Request Callback Implementation ✅ TikTok Marketing Developer App Approval Expert ✅ TikTok Developer API App Approval Expert ✅ Expert in Marketing Automation Software ✅ Expert in WordPress Plugin Development ✅ Worked with PHP Script and SaaS selling company Codecanyon, Jvzoo, Warrior+Plus. ⭐ Why clients come back: I don't hand you a checklist and disappear. I'm in the trenches with you — writing, recording, submitting, and negotiating — until Meta says yes. 𝗜𝗻𝘀𝘁𝗮𝗴𝗿𝗮𝗺 𝗔𝗣𝗜 (𝗜𝗻𝘀𝘁𝗮𝗴𝗿𝗮𝗺 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗟𝗼𝗴𝗶𝗻) instagram_business_basic, instagram_business_manage_comments, instagram_business_manage_messages, instagram_business_manage_insights 𝗙𝗮𝗰𝗲𝗯𝗼𝗼𝗸 𝗔𝗣𝗜 𝗣𝗲𝗿𝗺𝗶𝘀𝘀𝗶𝗼𝗻𝘀 pages_read_user_content, pages_manage_posts, pages_show_list, pages_manage_metadata, pages_user_locale, pages_user_gender, pages_manage_engagement, pages_messaging, read_insights, pages_read_engagement, pages_user_timezone, Business Asset User Profile Access 𝗜𝗻𝘀𝘁𝗮𝗴𝗿𝗮𝗺 𝗚𝗿𝗮𝗽𝗵 𝗔𝗣𝗜 (𝗙𝗮𝗰𝗲𝗯𝗼𝗼𝗸 𝗟𝗼𝗴𝗶𝗻) instagram_basic, instagram_content_publish, instagram_manage_comments, instagram_manage_messages, instagram_manage_insights, Instagram Public Content Access, Human Agent, instagram_branded_content_ads_brand, instagram_branded_content_brand 𝗠𝗲𝘁𝗮 𝗠𝗮𝗿𝗸𝗲𝘁𝗶𝗻𝗴 / 𝗔𝗱𝘀 𝗔𝗣𝗜 business_management, ads_read, ads_management, pages_manage_ads, leads_retrieval, catalog_management 𝗧𝗵𝗿𝗲𝗮𝗱𝘀 𝗔𝗣𝗜 threads_basic, threads_content_publish, threads_keyword_search, threads_manage_insights, threads_manage_mentions, threads_manage_replies, threads_read_replies 𝗪𝗵𝗮𝘁𝘀𝗔𝗽𝗽 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗔𝗣𝗜 whatsapp_business_messaging, whatsapp_business_management 🛠️ What I Do: I specialized in Meta API development and social media SaaS products — from Facebook Graph, Marketing, and Messenger APIs to Instagram (Graph, Business), WhatsApp Business & Cloud API, Threads, Twitter/X v2, Pinterest, Reddit, Shopify, integrations. I also handle Webhook, IPN, and Cron Job setups end to end. SaaS Products I've Built: Instagram Comment & DM Automation, Facebook Ads Creation Portals, Social Media Posting Platforms, AI Chatbots powered by OpenAI & ChatGPT for Messenger and Instagram, CRM Dashboards, and Marketing Automation Software. I've worked with ChatPion, Stackposts, and ChatWoot. Any white-label social media tool — I've seen it and can get it approved. ⚙️ Tech Stack: JavaScript (TypeScript,React,Next.js,Node.js, Express, Vue), Python, PHP (Laravel, CodeIgniter), MySQL, PostgreSQL,MongoDB,Redis,AWS,Git 💬 What Clients Say: ⭐ "Mir was an absolute game-changer. Deep understanding of Meta's API ecosystem — permissions, configurations, best practices. If you need a Meta API expert who is highly skilled and a pleasure to work with, Mir is the person to hire." — Sheila, USA ⭐ "Best guy on Upwork for API development. We already hired him on another project." — Marius, Romania ⭐ "His knowledge of FB and API integration is really deep and comprehensive. Very happy." — Fabrizio, Italy ⭐ "Anything Meta app permission related, he'll fix it for you." — Roy, USA