I specialize in Twilio development, including Twilio Functions, Twilio Studio Flow, and TwiML.
I have extensive experience building SMS, Voice, IVR systems, call automation, and API integrations using Twilio. With 8 years of experience in automation and API integrations, I develop custom solutions that help businesses automate communication and streamline their workflows using Twilio.
Specializations:
๐ฌ ๐๐ฐ๐ข๐ฅ๐ข๐จ ๐๐๐ & ๐๐๐ ๐๐ง๐ญ๐๐ ๐ซ๐๐ญ๐ข๐จ๐ง
Sending transactional and bulk SMS/MMS using Twilio APIs with delivery tracking and automation.
๐ฌ ๐๐ฐ๐ข๐ฅ๐ข๐จ ๐๐ก๐๐ญ๐ฌ๐๐ฉ๐ฉ ๐๐ฎ๐ฌ๐ข๐ง๐๐ฌ๐ฌ ๐๐๐ ๐๐ง๐ญ๐๐ ๐ซ๐๐ญ๐ข๐จ๐ง
WhatsApp messaging automation, template messaging, and CRM integrations using Twilio WhatsApp API.
๐ ๐๐ฐ๐ข๐ฅ๐ข๐จ ๐๐จ๐ข๐๐ ๐๐๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ
Custom voice calling applications including inbound/outbound calls, call routing, and automation.
๐ฒ ๐๐๐ ๐๐๐ฅ๐ฅ ๐ ๐ฅ๐จ๐ฐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ
Advanced IVR systems with DTMF input, call routing, business hour logic, voicemail, and callback features.
โ๏ธ ๐๐ฐ๐ข๐ฅ๐ข๐จ ๐๐ ๐๐ ๐๐ง๐ญ & ๐๐จ๐ง๐ฏ๐๐ซ๐ฌ๐๐ญ๐ข๐จ๐ง๐๐ฅ ๐๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ
Building AI-powered voice and messaging agents using Twilio integrated with AI models to automate customer conversations, lead qualification, smart responses, and support across voice, SMS, and WhatsApp channels.
โ๏ธ ๐๐ฐ๐ข๐ฅ๐ข๐จ ๐๐ญ๐ฎ๐๐ข๐จ ๐๐จ๐ซ๐ค๐๐ฅ๐จ๐ฐ ๐๐ฎ๐ญ๐จ๐ฆ๐๐ญ๐ข๐จ๐ง
Designing and implementing automated communication workflows using Twilio Studio.
โ๏ธ ๐๐ฐ๐ข๐ฅ๐ข๐จ ๐๐๐ ๐๐ซ๐ฎ๐ง๐ค ๐๐จ๐ง๐๐ข๐ ๐ฎ๐ซ๐๐ญ๐ข๐จ๐ง
Setup and configuration of Twilio Elastic SIP Trunks for VoIP systems and PBX integrations.
๐๐ฐ๐ข๐ฅ๐ข๐จ ๐๐๐ ๐๐จ๐ฆ๐๐ข๐ง ๐๐๐ญ๐ฎ๐ฉ
Configuration of SIP domains for secure voice communication and softphone connectivity.
๐๐ฐ๐ข๐ฅ๐ข๐จ ๐ ๐ฅ๐๐ฑ ๐๐จ๐ง๐ญ๐๐๐ญ ๐๐๐ง๐ญ๐๐ซ ๐๐ฆ๐ฉ๐ฅ๐๐ฆ๐๐ง๐ญ๐๐ญ๐ข๐จ๐ง
Deployment and customization of Twilio Flex for cloud-based contact center solutions.
๐๐จ๐ง๐๐๐ซ๐๐ง๐๐ ๐๐๐ฅ๐ฅ๐ข๐ง๐ & ๐๐๐ฅ๐ฅ ๐๐๐ซ๐ ๐ ๐๐ฒ๐ฌ๐ญ๐๐ฆ๐ฌ
Building conference call systems with participant management and call merge functionality.
๐ ๐๐๐ฅ๐ฅ ๐๐๐๐จ๐ซ๐๐ข๐ง๐ & ๐๐ซ๐๐ง๐ฌ๐๐ซ๐ข๐ฉ๐ญ๐ข๐จ๐ง
Call recording implementation with transcription and storage for compliance and analytics.
๐๐ฐ๐ข๐ฅ๐ข๐จ ๐๐๐๐ก๐จ๐จ๐ค๐ฌ ๐ฎ๐ฌ๐ข๐ง๐ ๐๐๐
Developing webhook endpoints to handle Twilio events, calls, and messaging workflows.
๐๐๐ ๐๐๐๐๐ ๐๐๐ ๐ข๐ฌ๐ญ๐ซ๐๐ญ๐ข๐จ๐ง & ๐๐๐ฆ๐ฉ๐๐ข๐ ๐ง ๐๐๐ญ๐ฎ๐ฉ
Complete setup of brand registration, campaign approval, and compliance for US messaging.
๐๐๐ & ๐๐๐ ๐๐ง๐ญ๐๐ ๐ซ๐๐ญ๐ข๐จ๐ง๐ฌ
Integration of Twilio with CRM platforms like HubSpot, Zoho, Pipedrive, and custom APIs.
Why doing API integrations?
By doing software integrations, you automate your business saving thousands of dollars on monthly expenses. My experience brings to your operation less total cost.
Looking forward to connect.
Thanks
Anil
Twilio
Outbound Call
Twilio API
Plivo
WordPress
RESTful API
API Integration
PHP
API Development
SMS Gateway
JSON API
Payment Gateway Integration
Custom PHP
WooCommerce
IVR Software
SMS Module Setup
WhatsApp
Campaign Setup
SendGrid
RingCentral Glip
Gaurav L.
Bhopal, India
$24/hr
4.7
215 jobs
I help businesses build reliable, scalable communication systems and web applications by combining deep expertise in VoIP (3CX & Yeastar) with full-stack development and API integrations.
With 6+ years of experience in 3CX, hands-on expertise in Yeastar Cloud PBX, and 3+ years in full-stack development, I specialize in delivering end-to-end solutions โ from telephony infrastructure to CRM integrations and custom dashboards.
๐ฅ What I Can Do For You
โ๏ธ VoIP & PBX Solutions (3CX + Yeastar)
3CX setup, configuration & troubleshooting (V18/V20)
Yeastar Cloud PBX deployment & management
SIP Trunk integration (Twilio, Telnyx, Flowroute, etc.)
IVR, Call Queues, Ring Groups, Call Routing
Predictive / Progressive Dialer setup
Call recording, reporting & analytics
Multi-tenant PBX architecture
DID management & call flow optimization
๐ป Full Stack Development
Backend: PHP, Node.js, Golang
Frontend: JavaScript, HTML, CSS, Bootstrap, Tailwind
Database: MySQL, PostgreSQL
Build scalable CRM systems & dashboards
WebRTC / SIP dialer development
Real-time systems & automation workflows
๐ API Development & Integrations (Swagger/OpenAPI)
REST API design & development
Swagger/OpenAPI documentation
CRM integrations (Zoho, Salesforce, Monday, etc.)
Webhooks, automation, and data sync systems
๐ WordPress Development
Custom theme & plugin development
Website optimization & speed improvements
API integrations with WordPress
Business websites & landing pages
๐ก Why Clients Choose Me
โ 6+ years in VoIP & telephony systems
โ Strong backend + infrastructure understanding
โ Fast troubleshooting & problem-solving
โ Clean, scalable, production-ready solutions
โ Excellent communication & long-term support
๐ Recent Work Highlights
Built multi-company 3CX dialer system with CRM integration
Deployed Yeastar Cloud PBX for international clients
Developed VoIP analytics dashboards & call tracking systems
Integrated Twilio / Telnyx with custom applications
Created API-driven automation workflows using webhooks
๐ฏ Letโs Work Together
If you need help with:
Setting up or fixing your 3CX / Yeastar PBX
Building a custom dialer or VoIP system
Integrating APIs or CRM systems
Developing a scalable web application
๐ Send me a message โ Iโll provide a clear solution quickly.
PHP
Python
JavaScript
Telecommunications
Full-Stack Development
VoIP PBX
Call Center Management
3CX
System Administration
API Integration
HubSpot
API Development
API
Pipedrive
WordPress
Sony Y.
Thane, India
$20/hr
4.9
198 jobs
โ Top Rated Plus AI Agent Development
โ 100% Job Success Score
โ Fluent English Verified
AI Voice Agents | Twilio Expert | SMS, Calling & CRM Automation
I help businesses automate customer communication using AI Voice Agents, SMS Automation, Calling Systems, CRM Integrations, and Communication Workflows.
With 130+ completed projects, Top Rated Plus status, and a 100% Job Success Score, I specialize in building production-ready systems that answer calls, qualify leads, book appointments, automate follow-ups, improve customer response times, and reduce manual work.
My expertise combines modern AI technologies with real-world communication infrastructure, helping businesses move from manual processes to scalable automation.
๐๐ผ๐ฟ๐ฒ ๐๐ ๐ฝ๐ฒ๐ฟ๐๐ถ๐๐ฒ
๐ Voice AI & Communication Automation
AI Voice Agents, AI Receptionists, AI Calling Systems, Appointment Booking Agents, Lead Qualification Systems, Customer Support Automation, Contact Centers, IVR Systems, SIP, SMS Automation, Call Routing
๐ค AI Solutions & Conversational Systems
OpenAI, Claude, Gemini, Vapi, Retell AI, Conversational AI, Knowledge Assistants, Internal AI Tools, Business Automation
โ๏ธ CRM & Workflow Automation
Lead Management, Pipeline Automation, Customer Communication Workflows, CRM Integrations, Automated Follow-Up Systems
๐ฆ๐ฒ๐ฟ๐๐ถ๐ฐ๐ฒ๐
๐ AI Voice Agents & Calling Systems
โข AI Receptionists
โข AI SDRs
โข Appointment Booking Agents
โข Customer Support Agents
โข Outbound Calling Systems
โข Inbound Voice Automation
โข Voice AI Integrations
๐ก Twilio & Communication Solutions
โข Twilio Development
โข SMS Platforms
โข IVR Systems
โข Call Center Solutions
โข Twilio Flex
โข Voice & Messaging Automation
โข Toll-Free & A2P 10DLC Solutions
โ๏ธ CRM & Business Automation
โข HubSpot Integrations
โข GoHighLevel Automation
โข Salesforce Integrations
โข Custom CRM Development
โข Lead Qualification Workflows
โข Business Process Automation
๐ง OpenAI, Claude & AI Integrations
โข ChatGPT Solutions
โข Claude Integrations
โข AI Assistants
โข Knowledge Systems
โข Internal AI Tools
โข RAG Applications
๐ฑ SaaS, Web & Mobile Applications
โข Customer Portals
โข Admin Dashboards
โข AI-Powered Platforms
โข Web Applications
โข Mobile Applications
๐ฅ๏ธ Backend Development
Python, Node.js, FastAPI, Express.js, REST APIs, Webhooks, Microservices
๐ป Frontend Development
React, Next.js, Vue.js, Angular
๐ฑ Mobile Development
React Native, Flutter, Swift, Kotlin
โ๏ธ Cloud & Infrastructure
AWS, Azure, GCP, Docker, CI/CD, Serverless Architectures
๐ Databases & AI Infrastructure
PostgreSQL, MongoDB, Firebase, Supabase, Vector Databases
๐๐ป๐ฑ๐๐๐๐ฟ๐ถ๐ฒ๐
โข Real Estate & Property Management
โข Healthcare & Wellness
โข LegalTech
โข Financial Services
โข Logistics & Transportation
โข Professional Services
โข Call Centers
โข Home Services
โข SaaS & Technology Companies
If you're looking to automate calls, SMS, customer communication, lead qualification, appointment booking, or customer support using AI and Twilio-based communication systems, let's discuss your project.
Keywords:
AI Voice Agent, AI Receptionist, AI Calling Agent, Twilio Developer, SMS Automation, IVR Development, CRM Automation, Voice AI, OpenAI, Claude, Vapi, Retell AI, Contact Center Solutions, Call Center Automation, Lead Qualification, Appointment Booking, Customer Communication Automation, Workflow Automation, Conversational AI, SaaS Development, Python, Node.js, React
Twilio
Twilio API
SMS
SMS Gateway
WhatsApp
SMS Module Optimization
API Development
VoIP
VoIP Software
Telephone System
IVR Software
Call Center Software
Automated Call Distribution
Chat & Messaging Software
Chatbot Development
AI Chatbot
AI Bot
CRM Automation
Automation
Compliance
Atendra S.
Ghaziabad, India
$30/hr
4.9
79 jobs
โ 12+ Years in Mobile Development
๐ Top Rated | Kotlin, iOS, SDKs, BLE, VoIP & System-Level Android Apps
I help businesses build stable, production-ready Android/iOS applications designed for long-term reliability, scalability, and real-world usage.
Over the last 12+ years, Iโve worked on Android/iOS apps ranging from consumer products to enterprise systems, including VoIP platforms, Android SDKs, BLE integrations, location tracking systems, streaming apps, and custom Android OS-level features.
My focus is building and maintaining Android/iOS systems that remain stable, maintainable, and performant over time.
๐ What I can help you with:
โ Native Mobile App Development (Kotlin & iOS)
โ Android SDK Development & Integration
โ BLE (Bluetooth Low Energy) Applications
โ VoIP, Audio/Video Calling & Streaming Apps
โ Background Services & Foreground Services
โ Existing App Maintenance & Bug Fixing
โ Play Store Release & Compliance
โ Performance Optimization & Stability Improvements
โ Custom Android OS / System-Level Features
โ Long-Term Product Development & Support
โ๏ธ Core Android Expertise:
โ Jetpack Compose & Modern Android Architecture
โ MVVM, Clean Architecture & Modular Codebases
โ Firebase, Firestore & Realtime Systems
โ REST APIs, WebSockets & SignalR
โ Google Maps & Real-Time Location Tracking
โ Media Streaming & Real-Time Communication
โ Offline Storage & Sync Solutions
โ Push Notifications & Background Processing
โ In-App Purchases & Subscription Systems
โ Kiosk Mode & Device Management
๐ฅ Specialized Experience:
โ Android SDK development used across multiple applications
โ BLE communication & external device integrations
โ WebRTC, Twilio & Linphone integrations
โ Enterprise Android systems with long-term maintenance
โ Performance-critical and reliability-focused Android apps
๐ข Some Projects & Domains Worked On:
โ Spirit Airlines
โ Santander UK
โ Plickers
โ Ringplan VoIP
โ Tracking & Logistics Applications
โ Enterprise Cargo & Retail Systems
I personally oversee projects from architecture to final delivery. For larger engagements, I collaborate with my in-house team of 25+ developers across Android, iOS, Flutter, backend, QA, web, and DevOps - giving clients a single point of contact backed by complete execution support.
If you're building a new Android/iOS product, scaling an existing app, or solving complex Android/iOS issues, feel free to message me. Happy to review your app or requirements before we start.
Android App Development
Kotlin
Java
Android SDK
Mobile App Development
VoIP
WebRTC
Firebase
JetPack
In-App Purchases
Wear OS
Mobile Device Management Software
AI App Development
AI Mobile App Development
AI Development
Kuldeep K.
Solan, India
$13/hr
5.0
4 jobs
Twilio Developer | Twilio API Integration | Twilio Studio & A2P 10DLC Specialist | SMS, Voice & WhatsApp Automation | Call Center & IVR Solutions
Iโm a Senior Twilio Developer with over 6 years of experience helping businesses build powerful communication systems. My expertise lies in Twilio API, Twilio Studio, and A2P 10DLC compliance, where I design and implement scalable messaging, voice, and communication solutions. Whether you need SMS notifications, WhatsApp chatbots, or A2P 10DLC registration and automation, I bring reliable, secure, and efficient solutions that align with your business goals.
๐ก What I Do Best:
โ Twilio API Integration: Seamlessly connect your apps with Twilio for SMS, voice, and WhatsApp automation.
โ Twilio Studio Workflows: Build drag-and-drop communication flowsโIVRs, surveys, reminders, and more.
โ A2P 10DLC Registration & Compliance: Handle brand and campaign registration to ensure your messaging is compliant and fully approved.
โ Messaging & Voice Automation: From appointment reminders to bulk SMS, I design systems that save time and increase engagement.
โ Call Center Solutions: Set up scalable inbound/outbound call systems with IVR menus, call routing, and real-time monitoring.
๐ Why Choose Me?
โ Client-Focused: I design with your business needs at the center.
โ Fast & Reliable Delivery: Always on time, without cutting corners.
โ Results That Matter: My solutions improve workflows, boost customer satisfaction, and scale with your business.
โ Clear Communication: I keep you updated every step of the way.
โ Problem Solver: Complex integrations? Thatโs my favorite part.
๐จ Services I Offer
โ Twilio API Development & Integration โ SMS, WhatsApp, and voice capabilities connected to your apps.
โ Twilio Studio Custom Flows โ Build automated customer journeys with no downtime.
โ A2P 10DLC Setup & Registration โ Get your brand and campaigns registered, compliant, and ready to send SMS at scale.
โ IVR & Call Routing Systems โ Smart, scalable voice menus and routing logic.
โ Messaging Automation โ Bulk SMS campaigns, WhatsApp bots, appointment reminders.
โ CRM & Third-Party Integrations โ Connect Twilio with HubSpot, Pipedrive, Zoho, and more.
๐ต Twilio API Development
๐ Twilio Studio Automation
๐ข A2P 10DLC Registration & Compliance
๐ก WhatsApp & SMS Automation
๐ด Call Tracking & Analytics
๐ฃ IVR & Voice Workflow Design
As an A2P 10DLC Specialist, I make sure your messaging campaigns are registered, compliant, and optimized for deliverability. From handling carrier approval to integrating messaging flows into your CRM, I provide end-to-end solutions that keep your communication running smoothly.
๐ Letโs Build Your Communication System Together!
I help businesses connect with customers smarter and faster using Twilio. From custom API development to A2P 10DLC compliance, Iโll deliver solutions that make communication seamless and impactful.
โ Letโs Talk: Click โINVITEโ to connect today.
Thanks!
Twilio
Twilio API
SMS Gateway
VoIP
Laravel
PHP
API Development
Call Center Software
Telephone System
WhatsApp
RESTful API
Web Development
Chatbot
ChatGPT
AI Chatbot
Nikhil C.
Palampur, India
$12/hr
5.0
27 jobs
I have extensive working experience in successfully registration in Twilio A2P 10DLC , Twilio text message marketing, Voice API, Bulk messaging, Twilio studio IVR Flows and ensuring businesses stay compliant while maximizing engagement. ๐๐ก๐๐ญ๐ก๐๐ซ ๐ฒ๐จ๐ฎโ๐ซ๐ ๐ฎ๐ฌ๐ข๐ง๐ ๐๐ฐ๐ข๐ฅ๐ข๐จ, Aircall, ๐๐จ๐๐ข๐ ๐ก๐๐๐ฏ๐๐ฅ (๐๐๐), ๐๐ฎ๐ฌ๐ญ๐๐๐ฅ๐ฅ.๐ข๐จ, ๐๐ฆ๐ซ๐ญ๐๐ก๐จ๐ง๐.๐ข๐จ, ๐๐ข๐ง๐ ๐๐๐ง๐ญ๐ซ๐๐ฅ, ๐๐จ๐๐จ๐ง๐ง๐๐๐ญ, ๐จ๐ซ ๐๐ฅ๐จ๐ฐ๐๐ซ๐, I streamline your SMS marketing strategy and make compliance seamless.
๐ What I Offer:
โ ๐๐๐ ๐๐๐๐๐ ๐๐๐ ๐ข๐ฌ๐ญ๐ซ๐๐ญ๐ข๐จ๐ง & ๐๐จ๐ฆ๐ฉ๐ฅ๐ข๐๐ง๐๐ โ I handle your TCR brand & campaign registration to prevent SMS filtering and ensure carrier approval.
โ ๐ง๐๐ฅ ๐๐๐๐ต๐ฒ๐ป๐๐ถ๐ฐ๐ฎ๐๐ถ๐ผ๐ป+ ๐ฉ๐ฒ๐ฟ๐ถ๐ณ๐ถ๐ฐ๐ฎ๐๐ถ๐ผ๐ป ๐๐๐๐ถ๐๐๐ฎ๐ป๐ฐ๐ฒ โ Get approved quickly with my step-by-step guidance.
โ ๐ง๐ฟ๐ผ๐๐ฏ๐น๐ฒ๐๐ต๐ผ๐ผ๐๐ถ๐ป๐ด ๐ฆ๐ ๐ฆ ๐๐ฎ๐บ๐ฝ๐ฎ๐ถ๐ด๐ป ๐ฅ๐ฒ๐ท๐ฒ๐ฐ๐๐ถ๐ผ๐ป๐ โ I resolve A2P 10DLC rejections and compliance issues.
โ ๐ง๐๐ถ๐น๐ถ๐ผ, ๐๐ผ๐๐ถ๐ด๐ต๐๐ฒ๐๐ฒ๐น & ๐๐ป๐ด๐ฎ๐ด๐ฒ๐๐ฎ๐ ๐ฆ๐ ๐ฆ ๐ฆ๐ฒ๐๐๐ฝ โ I integrate SMS marketing with your CRM and automation platforms.
โ ๐๐ฏ๐จ๐ข๐๐ข๐ง๐ ๐๐๐ ๐ ๐ข๐ฅ๐ญ๐๐ซ๐ข๐ง๐ & ๐๐๐ฌ๐ฌ๐๐ ๐ ๐๐๐ฅ๐ข๐ฏ๐๐ซ๐๐๐ข๐ฅ๐ข๐ญ๐ฒ ๐๐ฌ๐ฌ๐ฎ๐๐ฌโ I optimize messages to ensure high open and response rates.
๐ Results You Can Expect:
โ Seamless A2P 10DLC registration with minimal delays.
โ Increased SMS deliverability & engagement rates.
โ A compliant and professional SMS marketing setup.
โ Higher ROI from SMS campaigns.
๐ก Bonus Services:
โ Website Redesign for A2P Compliance โ Optimize your website with opt-in forms, clear T&Cs, and a trust-building design.
โ Custom Integrations & API Development โ Enhance your SMS workflows with custom automation & API integrations.
๐ Letโs Get Started!
Facing A2P 10DLC or TCR compliance issues? Letโs fix them today!
๐ฉ Click the "Send a Message" button, and let's get your SMS campaigns approved.
Twilio
Twilio API
Outbound Call
Dashboard
SMS Module Setup
SendGrid
VoIP
API Integration
Campaign Setup
SMS
Payment Functionality
RingCentral Glip
Aircall
Transferring Phone Calls
WhatsApp
Ad Campaign
ActiveCampaign
REST API
SMS Gateway
Call Scheduling
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