Hire the Best SMS Gateway Specialists
in Bangladesh

More than 3,000 reviews on G2
Rating is 4.5 out of 5.
4.5/5
of Upwork by G2 peer reviewers
Shamim H.

Dhaka, Bangladesh

$30/hr
4.2
367 jobs

With over 14 years of experience, I specialize in transforming complex business requirements into scalable web applications that drive real revenue growth. My expertise spans full stack development, AI integration, and payment solutions, ensuring that every project I undertake is both innovative and robust. Core Expertise & Skills Backend Development 1. PHP: Developing robust applications since 2007 2. Laravel: Building enterprise-grade applications since 2012 3. Livewire: Real-time interfaces for modern web apps 5. API Development: RESTful services handling millions of requests 6. Database Design: MySQL optimization for high-traffic systems AI & Code Auditing 1. AI-driven code verification for enhanced accuracy 2. Comprehensive code reviews to ensure quality and security 3. Migrating legacy systems to AI-driven platforms for modern business needs Payment Solutions 1. Stripe / Stripe Connect: Certified expert with 50+ marketplace integrations since 2014 2. Payment Orchestration: Designing and implementing complex payment systems 3. E-commerce: Complete online store development and optimization Frontend & UI/UX 1. WordPress: Crafting dynamic websites since 2010 2. Modern CSS: Tailwind CSS, Bootstrap responsive design 3. Figma: Mastery in creating intuitive UI/UX designs 4. JavaScript: Dynamic interfaces and real-time functionality 6. Performance: Sub-3-second load times on complex applications MCP Experience 1. Figma, WordPress, Laravel: Mastery in creating and managing complex projects Additional Technologies 1. React.js, Python, Vue.js: Proficient in understanding and coding with AI assistance Data Analysis & Visualization 1. Analytical insights for data-driven decision making 3. Creating visualizations to simplify complex data sets Enterprise Integration 1. CRM Systems: Zoho CRM, custom business workflows 2. Marketing Automation: Email sequences, customer lifecycle management 3. Third-party APIs: Google services, social authentication, AI chatbots Cloud & DevOps 1. AWS & Digital Ocean: Scalable infrastructure deployment 2. Laravel Forge: Automated deployment and server management 3. Git/GitHub: Version control and collaborative development Professional Experience 1. Built 100+ web applications across various industries 3. Specialized in SaaS platforms and e-commerce solutions 4. Led development teams and mentored junior developers 4. Consulted for Fortune 500 companies and funded startups Key Achievements 1. Generated $50M+ in client revenue through platforms I've built 2. Maintained 99.99% uptime across all production applications 3. Improved client conversion rates by 30-50% consistently 4. Recognized by Stripe as integration methodology contributor 5. My Development Approach I focus on building solutions that scale with your business growth. Every project includes: 1. Future-proof architecture designed for expansion 2. Security best practices with PCI compliance when needed 3. Performance optimization for exceptional user experience 4. Comprehensive documentation for long-term maintainability Ideal Project Types 1. SaaS application development and migration 2. E-commerce platforms with complex requirements 3. Payment system integration and optimization 4. Custom web applications for growing businesses 5. API development and third-party integrations I work best with ambitious businesses ready to invest in quality solutions that drive measurable results. Ready to discuss your project? Let's build something exceptional together.

  • Google Analytics
  • MySQL
  • PHP
  • Laravel
  • API
  • Git
  • Twilio API
  • CodeIgniter
  • Magento
  • Intercom
  • Database Development
  • WordPress
  • Data Analysis
  • JavaScript
  • Stripe
  • Payment Gateway Integration
Zahid H.

Dhaka, Bangladesh

$20/hr
4.9
34 jobs

Is your PHP app slow, stuck on an old version, or running on a badly configured server? I fix exactly that โ€” and build new systems that don't break down the road. I'm Zahid, a Laravel & Symfony specialist with 5 years of experience delivering backend systems for SaaS platforms, government organizations, and international businesses. I don't just write code โ€” I solve the real problems behind your technical requirements. ๐Ÿš€ ๐—ช๐—ต๐—ฎ๐˜ ๐—œ ๐—ฆ๐—ผ๐—น๐˜ƒ๐—ฒ ๐—™๐—ผ๐—ฟ ๐—ฌ๐—ผ๐˜‚ ๐Ÿ”น Fix slow applications I identify real bottlenecks โ€” inefficient queries, N+1 issues, missing indexes, poor caching โ€” and improve performance with measurable results. ๐Ÿ”น Optimize & migrate databases I restructure poorly designed databases, tune slow queries, add proper indexing, and handle full data migrations โ€” across MySQL, PostgreSQL, and Oracle โ€” with zero data loss and full integrity checks. ๐Ÿ”น Upgrade legacy systems Safe upgrades from PHP 5.x / 7.x โ†’ 8.x, Laravel and Symfony upgrades with full compatibility and minimal downtime. ๐Ÿ”น Build scalable backend systems SaaS platforms, REST APIs, real-time features (WebSockets), and complex business logic designed to scale. ๐Ÿ”น Integrate payment gateways โ€” I implement secure, reliable payment flows using Stripe, PayPal, Mope payments, and other regional or custom gateways โ€” subscription billing, one-time payments, marketplace payouts, and refund handling all covered. ๐Ÿ”น Solve server & deployment issues Proper VPS setup, Nginx/Apache configuration, SSL, security hardening, and production stability. ๐Ÿ”น Clean up messy codebases Refactoring legacy systems into maintainable, structured, and developer-friendly code. ๐—ฆ๐—ฒ๐—ฟ๐˜ƒ๐—ถ๐—ฐ๐—ฒ๐˜€ ๐Ÿ”น Laravel & Symfony Development โ€” SaaS, multi-tenant apps, REST APIs, WebSockets, queues, admin panels. ๐Ÿ”น PHP & Framework Upgrades โ€” PHP 5/7 โ†’ 8.x, Laravel 5โ€“12, Symfony version upgrade. ๐Ÿ”น Performance Optimization โ€” query tuning, Redis/Memcached caching, N+1 fixes, code refactoring. ๐Ÿ”น Database Optimization & Migration โ€” schema redesign, indexing, query optimization, cross-platform data migration (MySQL, PostgreSQL, Oracle) ๐Ÿ”น Payment Gateway Integration โ€” Stripe, PayPal, Mope payment, subscription billing, marketplace payouts, webhook handling. ๐Ÿ”น VPS & Server Setup โ€” cPanel, WHM, Nginx, Apache, SSL, DNS, mail server, firewall configuration. ๐Ÿ”น Server & Hosting Migration โ€” zero-downtime transfers, database migration, DNS cutover. ๐Ÿ”น Legacy PHP Modernization โ€” refactoring, security patching, technical debt reduction. ๐Ÿ”น API & Third-Party Integration โ€” REST APIs, webhooks, Twilio, and custom service connections. ๐—ช๐—ต๐˜† ๐—–๐—น๐—ถ๐—ฒ๐—ป๐˜๐˜€ ๐—–๐—ต๐—ผ๐—ผ๐˜€๐—ฒ ๐— ๐—ฒ ๐Ÿ”น Code + Server โ€” One Person I own both the application and the infrastructure it runs on. No gaps between your developer and your sysadmin. ๐Ÿ”น Government & Enterprise Delivered I've built production systems for government organizations and national enterprises โ€” where reliability, security, and accountability are non-negotiable. ๐Ÿ”น Performance You Can Measure I don't just say "it's faster." I give you real numbers โ€” query times, page load speeds, server response metrics โ€” before and after. ๐Ÿ”น Long-Term Code Quality Clean architecture, SOLID principles, and full documentation so any developer can maintain what I build. ๐Ÿ”น Global Availability Flexible hours covering US, European, and Middle Eastern time zones. ๐—ง๐—ฒ๐—ฐ๐—ต ๐—ฆ๐˜๐—ฎ๐—ฐ๐—ธ ๐Ÿ”น Backend: PHP, Laravel, Symfony, CodeIgniter, REST APIs, WebSockets, Cron Jobs, Queue Workers, Eloquent ORM, Doctrine ORM, JWT Authentication, Mail Integration ๐Ÿ”น Database: MySQL, PostgreSQL, Oracle DB, SQL, Database Optimization, Database Migration ๐Ÿ”น Server: VPS, Dedicated Server, Shared Hosting, cPanel, WHM, Plesk, CyberPanel, DirectAdmin, Nginx, Apache, OpenLiteSpeed, Linux (Ubuntu, CentOS, Debian, AlmaLinux), Windows Server, Docker, Kubernetes, Cloudflare, CI/CD, GitHub Actions, Jenkins ๐Ÿ”น Frontend: React.js, Next.js, Vue.js, JavaScript, Tailwind CSS, Bootstrap, base44 ๐Ÿ”น API & Third-Party: Payment Gateway Integration, SMS Gateway Integration, Chatbot, Geo-Location APIs, Twillo APIs. ๐Ÿ”น CMS & E-commerce: WordPress, Shopware, Grav CMS Tell me your situation โ€” slow app, broken server, outdated codebase, or a new build. I'll give you a clear plan, honest timeline, and get it done right.

  • PHP
  • Laravel
  • Symfony
  • API Development
  • API Integration
  • CodeIgniter
  • Database Optimization
  • MySQL
  • PostgreSQL
  • Data Migration
  • Virtual Private Server
  • cPanel
  • Linux System Administration
  • Docker
  • SaaS Development
  • Payment Gateway Integration
  • Websockets
  • WordPress
  • React
  • Next.js
Md Riazul I.

Dhaka, Bangladesh

$20/hr
5.0
41 jobs

GoHighLevel CRM builds, AI voice agents, and SMS automation pipelines that generate, qualify, and close revenue โ€” without you babysitting them. I'm a Revenue Systems Architect with 7+ years building CRM infrastructure and AI-powered automation for agencies, coaches, and growth-stage businesses across the US and UK. 1,000+ Upwork hours ยท Top Rated ยท GHL Certified Admin โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ WHAT I BUILD โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ โ†’ GoHighLevel Architecture โ€” Full CRM builds, pipeline design, workflow automation, sub-account setup, and migration โ†’ AI Voice Agents โ€” VAPI-powered agents that qualify, follow up, and book without human intervention โ†’ SMS & Chat AI โ€” Conversational AI agents via GHL, A2P 10DLC compliant, built to convert โ†’ AI Agent Orchestration โ€” Multi-agent pipelines where voice, SMS, and CRM logic work as one coordinated revenue system โ†’ n8n Automation Pipelines โ€” Multi-step workflows connecting your CRM, AI, and revenue tools โ†’ Email Deliverability Systems โ€” Inbox-first architecture, 40%+ open rates, no spam folder โ†’ Revenue Infrastructure Audits โ€” Find what's leaking, fix what's broken, scale what works โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ YOU'RE A STRONG FIT IF โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ โ†’ Your tools are set up but revenue isn't moving โ†’ Funnels look good on paper but convert at near zero โ†’ SMS campaigns are getting blocked or calls going to voicemail โ†’ You've outgrown your current CRM setup and need real architecture โ†’ You want a system built once, documented, and handed over clean NOT THE RIGHT ENGAGEMENT IF โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ โ†’ Budget is the primary decision driver โ†’ You want to DIY with guidance rather than a done-for-you build โ†’ You need round-the-clock availability โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ BACKGROUND โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ 7+ years building GoHighLevel CRM and marketing automation infrastructure across lending, real estate, hospitality, and marketing agencies โ€” architecting systems that handle lead generation, AI-powered qualification, onboarding sequences, and retention pipelines at scale. Clients include SBA lending operations, property management firms, resort booking systems, and agency owners running high-volume lead pipelines โ€” each built, documented, and handed over production-ready. GHL Certified Admin ยท Top Rated on Upwork ยท EST-compatible hours (8 AM โ€“ 3 PM) โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ If your automation isn't generating revenue, it's just overhead. Message me your current setup and your biggest bottleneck. I'll tell you exactly what needs to be fixed. GoHighLevel ยท CRM Automation ยท AI Agent Development ยท VAPI ยท SMS Marketing ยท n8n ยท Marketing Automation ยท A2P 10DLC ยท Twilio ยท Email Deliverability ยท Sales Funnel ยท Workflow Automation

  • WordPress
  • Marketing Automation
  • Marketing Automation Software
  • CRM Automation
  • Zapier
  • UiPath
  • Lead Nurturing
  • Email Automation
  • Linux System Administration
Mohammad Saydul K.

Comilla, Bangladesh

$50/hr
4.8
22 jobs

With 19+ years of hands-on experience, I help businesses reduce infrastructure risk and improve system reliability by designing, securing, and maintaining production-grade Linux environments, blockchain and crypto exchange systems, and automated trading solutions. I also specialize in building and supporting scalable SMS and VoIP infrastructure using Telnyx, Twilio, and VoIP.ms, engineered for stability, performance, and long-term operational reliability. Upwork Client's feedback: "A complete expert in Linux. Very collaborative freelancer." "Honest and reliable freelancer. A joy to work with." "Good and hardworking worker. Very honest as well." "Highly skilled Linux engineer, with a deep understanding of the ins and out of drivers and the essence of the OS" With extensive hands-on experience delivering mission-critical infrastructure, I focus on stable systems, fast troubleshooting, and enterprise-grade execution. Letโ€™s discuss your requirements on upwork and define the right technical solution for your project.

  • SMS Gateway
  • SMS
  • Linux
  • Linux System Administration
  • Mail Server Implementation
  • Cloud Engineering
  • Cryptocurrency Trading
  • VoIP Administration
  • AI Trading
  • AI Agent Development
  • Twilio
  • Twilio API
  • Ubuntu
  • VoIP PBX
  • AI Development
  • Crypto Exchange Platform
  • Email Deliverability
  • DigitalOcean
  • Claude
  • OpenAI API
Showrab M.

Barisat, Bangladesh

$10/hr
5.0
3 jobs

๐Ÿš€ 6+ Years of Expertise in WordPress Web Design & Development๐Ÿ’ผ 50+ Projects Completed๐ŸŒŸ 100% Job Success Rate๐Ÿ’ป LMS, WooCommerce, Membership & Custom WordPress Solutions Hello! I'm Showrab M, a passionate WordPress & LMS Website Specialist with over 6 years of experience in building, fixing, and maintaining high-performing WordPress websites. I focus on delivering modern, scalable, and user-friendly websites that not only look great but meet your business goals. From membership platforms and online stores to custom LMS solutions, I provide websites that are fast, secure, and optimized for long-term success. With a 100% job success rate and over 50+ successful projects, I specialize in building websites that deliver results with ongoing support and smooth onboarding. What I Offer WordPress Development & Redesign โœจ I create modern, responsive websites built to impress, whether it's a full redesign, landing page, or performance optimization. Membership Websites with Course & Group Access ๐Ÿ“š I build secure and user-friendly membership platforms, perfect for online communities and e-learning platforms with course content, private groups, and tiered access. Forum & Community Websites (BBPress & BuddyPress) ๐Ÿ’ฌ Create engaged online communities using BBPress and BuddyPress, complete with forums, groups, and social featuresโ€”all integrated and mobile-friendly. WooCommerce Websites with Multiple Payment Methods ๐Ÿ›’ I set up WooCommerce stores with secure payment gateways like Stripe, PayPal, Razorpay, and more, tailored specifically to your business needs. Website Migration & Maintenance ๐Ÿ”„ Secure and hassle-free website migrations, regular maintenance, and performance optimization to keep your site running smoothly and efficiently. Payment Integration & Issue Fixes ๐Ÿ’ณ From setting up payment gateways to troubleshooting technical glitches, I ensure seamless transactions and smooth functionality on your website. Bug Fixes & Automations ๐Ÿž I solve complex technical problems, from layout issues to critical bugs, and implement intelligent automation to save time and reduce manual work. Landing Page Design ๐ŸŽฏ Conversion-focused landing pages designed to capture leads and drive tangible results. Technical Support & Customer Onboarding ๐Ÿ› ๏ธ With a background in technical support, I guide clients through the process of website management, troubleshoot issues, and ensure a seamless onboarding experience. Why Work With Me? ๐Ÿ’ผ Business-Oriented Solutions: I donโ€™t just codeโ€”I understand your business needs and deliver practical, high-impact solutions. ๐Ÿš€ Reliable Communication: Quick response times, clear timelines, and transparent collaboration. ๐Ÿ”’ Built for the Long Run: I build scalable, secure, and easy-to-manage websites that grow with your business. ๐Ÿ› ๏ธ Fixing What Others Can't: From stubborn bugs to complex performance issues, I solve what others canโ€™t. ๐Ÿ’ฌ Clear & Helpful Guidance: I ensure a straightforward onboarding process and provide continuous support throughout the project. Portfolio Highlights Custom WordPress Websites: For businesses, organizations, and e-learning platforms. Membership Websites: With secure access, private groups, and course management systems. WooCommerce Stores: Optimized for conversions with seamless payment gateway integration. Forum & Community Websites: Built with BBPress and BuddyPress for social interaction and community building. Landing Pages: Designed for lead generation and high conversions. Letโ€™s Collaborate Ready to fix, redesign, or optimize your website? Whether itโ€™s building a dynamic WordPress site, creating a membership platform, or solving technical issues, Iโ€™m here to make it happen. ๐Ÿ’ฌ Letโ€™s Start Your Project Today!

  • WordPress
  • TutorPro LMS
  • LearnDash
  • Elearning LMS Consulting
  • Plugin Development
  • WordPress Bug Fix
  • WordPress Customization
  • WooCommerce
  • LMS Plugin
  • Responsive Design
  • Membership Plugin
  • WordPress Security
  • Page Speed Optimization
  • SEO Plugin
  • WordPress Development
Abdullah B.

Dhaka, Bangladesh

$25/hr
4.7
38 jobs

Intercom Certified Setup Expert | HubSpot CRM Implementation Specialist Top-Rated Freelancer ๐Ÿš€ Intercom Expert | Certified Service Partner | AI-Powered Automation Specialist Tired of manual workflows drowning your team? Want to scale support, boost conversions, and automate customer journeysโ€”without the headache? Hi, Iโ€™m an Intercom Certified Service Partner and the highest-rated CRM automation expert on Upwork (with 100% 5-star reviews). I help businesses transform their Intercom workspace into a high-performance growth engineโ€”powered by Fin AI, smart automation, and seamless workflows. ๐Ÿš€ HEREโ€™S WHAT I CAN DO FOR YOU: ๐Ÿ”น AI-Driven Customer Support & Helpdesk โœ” Fin.AI 2.0 (GPT-4 Powered) โ€“ Instant, intelligent responses that reduce ticket volume by 50%+ โœ” AI Copilot & AI Agent โ€“ Supercharge your team with AI-assisted replies & analytics โœ” Omnichannel Helpdesk โ€“ Unify email, chat, phone, and social support in one place ๐Ÿ”น Scalable Automation & Workflows โœ” Self-Service Help Center โ€“ Multilingual knowledge base with smart suggestions โœ” Lead Gen & Onboarding Funnels โ€“ Automate nurturing from first touch to conversion โœ” Smart Ticketing System โ€“ Auto-assign, prioritize, and track bugs/feature requests ๐Ÿ”น Advanced Intercom Optimization โœ” Custom Bots & Workflows โ€“ Resolve repetitive queries instantly โœ” Data-Driven Reporting โ€“ Track CSAT, resolution rates, and automation ROI โœ” CRM Integrations โ€“ Sync with HubSpot, Salesforce, and more ๐Ÿ† WHY HIRE ME? โœ… Intercomโ€™s Top 1% Expert โ€“ Certified Service Partner with deep platform mastery โœ… Proven Results โ€“ Helped 3+ industries automate support & boost efficiency โœ… Fast, Flawless Execution โ€“ Your project delivered on time, every time โœ… White-Glove Service โ€“ Clear communication, strategic guidance, and hands-on support ๐Ÿ’ก READY TO AUTOMATE, SCALE & WIN? ๐Ÿ‘‰ Letโ€™s chat! Send me a message, and Iโ€™ll craft a custom Intercom solution tailored to your business goals.

  • Intercom
  • HubSpot
  • Zapier
  • Customer Relationship Management
  • Marketing Automation
  • AI Chatbot
  • Customer Service Chatbot
  • Software Development
  • Live Chat Software
  • Lead Generation Chatbot
  • Chatbot Development
  • CRM Automation
  • CRM Development
  • CRM Software
  • Chat & Messaging Software

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