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I bring 20 years of experience in Web and Mobile Application Development, with strong expertise in Java, Node.js, iOS, Android, and Appcelerator Titanium. I specialize in building robust, scalable, and high-performance applications across multiple platforms. ✅ Top Rated Developer ✅ Over 2,800 Hours Logged on Upwork ✅ 100% Job Success Score ✅ Excellent Client Feedback ✅ High Performer on Upwork Skill Tests Expertise in Programming Languages, Tools, and Technologies: - Appcelerator Titanium – 12+ years of experience - Android Development – 10+ years - Xcode / Objective-C – 10+ years - Swift – 7+ years - Flutter – 3 years - Node.js – 8+ years - Java – 18+ years - Spring Framework – 17+ years - Hibernate – 17+ years - MySQL – 17+ years (Advanced proficiency) - MongoDB – 5+ years (Basic knowledge) - JasperReports – 12+ years - Amazon Web Services (AWS) – 4+ years

🌟 Full-Stack Web & Mobile App Developer | 15+ Years of Proven Experience Hi there! 👋 I'm a passionate Web and Mobile Application Developer with 15+ years of hands-on experience delivering powerful, user-friendly solutions for businesses around the world. Since 2008, I've helped countless clients turn their ideas into fully functional, beautifully crafted applications — always with a focus on exceeding expectations. ✅ Why Work With Me? 🔧 Expert in PHP & Android Development 🧠 Strong Problem Solver – I build efficient, maintainable, and scalable code. 🚀 Client-Centric Approach – I don’t just deliver projects; I deliver results that align with your goals. 💡 My Technical Toolkit 💻 Web Development: PHP & MySQL HTML5, CSS3, jQuery, Bootstrap JSON, XML (API integrations & data handling) 📱 Mobile Development: Native Android (Java) SQLite & ORMLite ⚙️ Frameworks & CMS: Laravel CodeIgniter WordPress 🧾 PDF Reporting: Custom reporting with FPDF, TCPDF, and mPDF 💬 What You Can Expect: ✔ Clear communication ✔ On-time delivery ✔ Clean, well-documented code ✔ Ongoing support & maintenance Let’s collaborate and bring your next project to life! I’m ready to contribute to your success with the skills, experience, and dedication you’re looking for.

🚀 Do you need the solution for frontend, backend, ecommerce, CMS from individual freelancer? 🚀 You are on right place when i completed many complex projects as individual freelancer with team or alone. I already completed few thousands project but still 100% job success. 🔵 𝐀𝐜𝐡𝐢𝐞𝐯𝐞𝐦𝐞𝐧𝐭𝐬: 👨‍🎓17+ Years of experience 💼40,000+ Working Hours 🎉160+ Jobs done 𝐒𝐤𝐢𝐥𝐥𝐬 𝐚𝐧𝐝 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: ➥ PHP Certified | MySQL | Ajax | JavaScript | Ract | React Native | jQuery | HTML5 | CSS3 | WordPress | Joomla | Magento | Codeigniter | CakePHP | Yii | API 𝗣𝗿𝗼𝘃𝗶𝗱𝗲 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: ➥ Custom PHP apps using any framework like Codeigniter, CakePHP, Yii, etc ➥ Database optimization ➥ WordPress Development, Migration and Upgrade, Customization, Theme development and Customization, Custom plugin development, and Customization, etc. ➥ WooCommerce Customization, Custom extension development. ➥ Gravity Forms ➥ Fusion Builder ➥ Beaver Builder ➥ Divi Builder ➥ Oxygen Builder ➥ Elementor Builder ➥ Visual Composer ➥ Responsive UI ➥ Payment integration API (authorize.net, PayPal, Google, rentpayment, etc) ➥ Strong Knowledge of OOP(Object Oriented Programming) ➥ Custom and modifier of Joomla Theme, module, and component development ➥ Ecommerce - Magento, Joomla-Virtuemart-RedShop, WordPress woo-commerce ➥ CSS Frameworks - 960 Grid System, Twitter Bootstrap, Jquery Mobile, YUI, etc ➥ API development ➥ Payment Gateway-Paypal integration and customization. I provide reliable services with honesty and full commitment.

Senior Web, & Mobile Developer (13+ Years of Experience): ✅ Laravel, React, PHP, 𝐀𝐖𝐒, JavaScript, Flutter, Java | MySQL, PostgreSQL | REST APIs | Android & iOS | WordPress & Shopify ➤ E-Commerce & AWS Specialist 🏆 13 years ago I stayed up until 3am debugging my first PHP script—it finally worked at 4am, and I’ve been hooked ever since. Since then, I’ve completed 𝟑,𝟔𝟑𝟒+ 𝐇𝐨𝐮𝐫𝐬 projects for 410+ clients across five continents, building everything from business websites to large-scale payment platforms, mobile apps, AWS systems, eCommerce stores, and REST APIs. I’m not here to claim I’m the best—but with 13+ years of real-world experience, I'm genuinely one of the most experienced ones here. My work has directly contributed to 𝐦𝐢𝐥𝐥𝐢𝐨𝐧𝐬 𝐢𝐧 𝐫𝐞𝐯𝐞𝐧𝐮𝐞 for clients across industries. Whether you need a 𝐜𝐮𝐬𝐭𝐨𝐦 𝐨𝐧𝐥𝐢𝐧𝐞 𝐬𝐭𝐨𝐫𝐞, a 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐢𝐧𝐠 𝐰𝐞𝐛 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧, or a 𝐜𝐨𝐦𝐩𝐥𝐞𝐭𝐞 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦 — I deliver 𝐟𝐚𝐬𝐭, 𝐬𝐞𝐜𝐮𝐫𝐞 𝐚𝐧𝐝 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 — 𝐨𝐧 𝐭𝐢𝐦𝐞 𝐚𝐧𝐝 𝐰𝐢𝐭𝐡𝐢𝐧 𝐛𝐮𝐝𝐠𝐞𝐭. 🏆 𝐊𝐞𝐲 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬: ☑ 𝐓𝐨𝐩-𝐑𝐚𝐭𝐞𝐝 Plus 𝐁𝐚𝐝𝐠𝐞 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤 🏅 ☑ 𝟏𝟑+ 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐏𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 (𝐒𝐢𝐧𝐜𝐞 𝟐𝟎𝟏𝟐) ☑ 𝟑,𝟔𝟑𝟒+ 𝐇𝐨𝐮𝐫𝐬 𝐋𝐨𝐠𝐠𝐞𝐝 𝐨𝐧 𝐌𝐚𝐫𝐤𝐞𝐭𝐩𝐥𝐚𝐜𝐞 ☑ 𝟒𝟏𝟎+ 𝐒𝐚𝐭𝐢𝐬𝐟𝐢𝐞𝐝 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 (𝐌𝐚𝐫𝐤𝐞𝐭𝐩𝐥𝐚𝐜𝐞 & 𝐎𝐮𝐭𝐬𝐢𝐝𝐞 𝐂𝐨𝐦𝐩𝐚𝐧𝐢𝐞𝐬) ☑ 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐀𝐜𝐫𝐨𝐬𝐬 𝐄𝐮𝐫𝐨𝐩𝐞, 𝐔𝐊, 𝐔𝐒𝐀, 𝐀𝐮𝐬𝐭𝐫𝐚𝐥𝐢𝐚, 𝐂𝐚𝐧𝐚𝐝𝐚 & 𝐀𝐬𝐢𝐚 ☑ 𝐓𝐢𝐦𝐞𝐥𝐲 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲 & 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝐀𝐬𝐬𝐮𝐫𝐚𝐧𝐜𝐞 💻 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐎𝐟𝐟𝐞𝐫𝐞𝐝 - 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐀𝐏𝐈𝐬: ➤ Laravel & PHP — Custom Web Application Development ➤ REST API & GraphQL Development, Integration & Documentation with Others Platforms ➤ Third-Party API & Apollo Client Integration ➤ oAuth Authentication with Laravel Passport & Sanctum ➤ CI/CD Pipelines, Unit Testing & Deployment Automation 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 (UI): ➤ React | JavaScript | TypeScript | Bootstrap | Tailwind CSS ➤ Material UI | Styled Components ➤ Charts & Data Visualization — Recharts | D3.js ➤ Performance & Page Speed Optimization 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: ➤ Flutter (Cross-Platform iOS & Android) ➤ Native Android & iOS Development ➤ App Store & Google Play Submission & Support 𝐏𝐚𝐲𝐦𝐞𝐧𝐭 𝐆𝐚𝐭𝐞𝐰𝐚𝐲 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: ➤ Stripe | PayPal | Elavon | EasyPay | TotalPay ➤ Surfboard | Dintero | QuickPay | Klarna & More 𝐂𝐥𝐨𝐮𝐝 & 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞: ➤ AWS (EC2, S3, RDS, Lambda, CloudFront, Route 53 & More) ➤ Server Setup, Optimization & Cost Reduction ➤ DNS Management & Hosting Configuration ➤ 99.99% Uptime Management & Auto-Scaling 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 & 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞: ➤ MySQL & PostgreSQL — Schema Design, Indexing & Query Optimization ➤ Page Speed Optimization & Core Web Vitals ➤ Website Backup & Ongoing Maintenance 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲: ➤ SSL/TLS Certificates, Firewall Setup & API Rate Limiting ➤ Input Validation, Sanitization & Security Audits ➤ Role-Based Access Control & Permission Management ➤ AWS Security — WAF | Shield | IAM | KMS | Secrets Manager | VPC & ACLs ➤ Monitoring & Threat Detection — Cloudflare | CloudWatch | GuardDuty | Inspector ✅ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 & 𝐒𝐤𝐢𝐥𝐥𝐬: 👉 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬 & 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬: Laravel | PHP | JavaScript | Java | React | Flutter | TypeScript 👉 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: Bootstrap | Tailwind CSS | JavaScript | React | TypeScript | PWA | Responsive Design 👉 𝐌𝐨𝐛𝐢𝐥𝐞: Flutter | Java | Android | iOS 👉 𝐂𝐌𝐒 & 𝐞𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞: WordPress | WooCommerce | WordPress Plugin | Shopify | GoDaddy 👉 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞: MySQL | PostgreSQL 👉 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬: AWS (EC2, S3, RDS, Lambda, CloudFront, Route 53 & Many More) | Git | GitHub 👉 𝐀𝐏𝐈 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: REST API | Stripe | Klarna | PayPal | Elavon | EasyPay | TotalPay | Surfboard | Dintero | QuickPay 📩 𝐍𝐨𝐭𝐢𝐜𝐞: Most developers hand over a finished build and disappear. I stay involved — I flag problems early, explain decisions clearly, and make sure what I deliver actually solves the problem you hired me for. I still reply to clients I delivered projects to three-four years ago. Not because I have to — just because of my Professionalism. I've managed teams across time zones, jumped into projects that were already on fire, delivered solo builds under tight deadlines and worked with clients in Europe, UK, USA, Canada, Australia & Asia — I understand their different ways of working, different timelines & different expectations. Here's the truth — anyone can say they're a great developer. After 13+ years, 430+ projects and 410+ satisfied clients, I don't need to say it. My track record does. 👉 Every great project begins with a great conversation. Let's connect and start building something your customers will love and your competitors will envy.

Hi, I am Parimal Barman. I have 5 years+ industry experience of web development with - ASP.Net C# Web Form - ASP.Net C# MVC - ASP.Net Core - PHP - CodeIgniter - Laravel - Payment Gateway - MS SQL Server - MySql - Crystal Report - JavaScript - jQuery - Ajax - Angular I am also working with apps development for the last 2+ years using java and flutter. I can efficiently work with: - REST APIs - Twilio API - Google Maps, - Firebase, - Payment Gateway, - and many other third-party libraries and expertise with - CodeIgniter/Laravel and MySQL as back-end web-based applications development, - ASP.NET MVC and MS SQL Server as back-end web-based applications development, - REST API Development. I am interested in long-term projects and can do the job with high quality.

I help businesses stabilize, scale, and extend existing applications without costly rewrites. With 15+ years of experience, I specialize in Java (Spring Boot) and Laravel-based systems, focusing on bug fixing, performance optimization, API development, and long-term maintenance for SaaS and enterprise applications. If your application is slow, unstable, hard to maintain, or needs new features added safely — I can help. What Can I Help You With - Fixing critical bugs and production issues - Improving performance and database efficiency - REST API development and third-party integrations - Refactoring legacy Java / PHP applications - Secure authentication and role-based access - Ongoing maintenance and technical support Why Clients Trust Me - 15+ years building and maintaining real-world systems - $70K+ earned and 5,000+ hours on Upwork - Long-term contracts (1,000+ hours) with US & UK clients - Strong focus on clean, maintainable, and scalable code Technical Stack - Backend: Java, Spring Boot, Spring Security, Hibernate, JPA, PHP, Laravel - Frontend: Angular, React - Databases: MySQL, SQL Server - Tools: REST APIs, JUnit, Mockito, Git