Level 2 Fiverr Seller • 254+ 5.0 Star Reviews

Smart
SolutionsFull-Stack Web Development, Twilio & AI Automation

Sandeep Kumar, full-stack web developer and project manager since 2015, builds custom web apps, Twilio SMS & IVR automation, A2P 10DLC registrations and AI voice agents for US businesses.

Start a ProjectView Work

What Smart Solutions does

Smart Solutions is the development studio of Sandeep Kumar, a full-stack web developer and project manager since 2015. It plans and builds custom web applications with React, Angular and Laravel, Twilio and Plivo SMS and voice automation, A2P 10DLC registrations so business texts get delivered, AI voice agents and chatbots with OpenAI, and CRM integrations for HubSpot, Wix and ClickFunnels. Most clients are US small and mid-sized businesses, and 254+ of them have left five-star reviews on Fiverr.

Illustration of a real-time operations dashboard

Built for
Scale.

Led by Sandeep Kumar, a developer since 2015, Smart Solutions operates at the intersection of complex backend engineering and seamless communication automation. We don't build generic templates; we engineer robust, highly scalable systems for global enterprises.

254+

5-Star Reviews

10+

Years Experience
Illustration of a Twilio IVR call flow

Twilio & Plivo Suite

The flagship gig. I build complete integration workflows for Twilio or Plivo APIs. This includes mass SMS notification systems, automated localized VoIP Calls, deeply detailed IVR tele-trees, Frontline Apps, Chatbots, and encrypted Video conferencing protocols.

  • ✓ SMS/Call Forwarding
  • ✓ Google Sheet Bulk SMS
  • ✓ Call Whisper & Voicemail
  • ✓ Twilio Frontline App
  • ✓ Autopilot & WhatsApp
  • ✓ ChatBot & IVR Hooks
Deploy Twilio Architecture
Diagram of an AI voice agent connected to Twilio and OpenAI
Next-Gen Capability

Agentic Voice AI

Leveraging deep knowledge of OpenAI and Agentic AI, I bridge Large Language Models with Twilio Voice and SMS. Build fully autonomous IVR trees that reason, schedule appointments directly into calendars, and talk naturally to your clients in real-time.

Access AI Integration
Diagram of CRM and SaaS systems connected through APIs
Data Infrastructure

SaaS & CRM Hooks

End-to-end setups bridging standard SaaS systems with secure API hooks. I build massive Wix portals from scratch, weave complex Twilio OTP layers deeply into your HubSpot funnels, and develop high-converting ClickFunnels white-label forms.

Review SaaS Pipelines
Illustration of a custom business web application dashboard

Full-Stack Web Apps

End-to-end custom application development. From designing the initial SQL schema to engineering complex Laravel/PHP backends, right through to writing millions of lines of Angular or React components to serve your frontend dashboard seamlessly.

Explore Full-Stack Development

Core Competencies

💬

Twilio & Plivo

Expert mass SMS, IVR Voice routing, & intelligent telephony tools.

🧠

AI Voice Agents

Advanced OpenAI voice bots built natively into Twilio pipelines.

⚛️

Full-Stack Web Apps

Custom React, Angular & Laravel apps, planned and project-managed end to end.

🛡️

A2P Compliance

100% US carrier campaign registrations (TCR) guaranteed tracking.

📝

Premium WordPress

Absolute premium B2B PHP engineering and plugin refactoring.

🛒

Headless eCommerce

Massive product scaling utilizing modern Stripe frameworks.

🤖

Smart Chatbots

Agentic conversational support systems for major pipelines.

✨

UI/UX Web Design

Glowing, premium aesthetic interface design from Figma.

Explore All Services

Verified Excellence

★★★★★

"Sandeep was incredible to work with! He handled the entire Twilio text message approval process from start to finish... What could’ve been a confusing and frustrating task was made totally seamless. I’d 100% recommend Sandeep to anyone needing help with Twilio or messaging compliance — absolute pro!"

- all1word 🇺🇸 United States

★★★★★

"Working with Sandeep was an outstanding experience. He handled the entire business and campaign registration process with exceptional professionalism, patience, and attention to detail. His expertise made everything seamless and stress-free. I highly recommend Sandeep."

- bigkee42 🇺🇸 United States

★★★★★

"He handled all our Twilio-related issues with exceptional skill and efficiency. Not only did he resolve the problems we were facing, but he also went above and beyond by identifying and addressing potential issues we hadn’t even considered. He is highly knowledgeable and responsive."

- kitbatac 🇵🇭 Philippines

★★★★★

"This is our 3rd time working with Sandeep. He is one of the best we've ever found on Fiverr. Always prompt to respond, his work is excellent, and he is proactive to make suggestions for improving on our tasks. It is a pleasure to give our highest recommendation!"

- gordonvw 🇺🇸 United States

★★★★★

"It was a truly outstanding experience. Sandeep exceeded my expectations and helped me with many of my requests in a very short time. I can 100% recommend working with him and I hope to do so again in the future."

- joeran24 🇩🇪 Germany

★★★★★

"We needed an advance IVR for one of our companies - Sandeep got it done right"

- brightleafc 🇺🇸 United States

★★★★★

"I have done several projects with him and I really liked it, I highly recommend it, extremely professional."

- cidteles365 🇧🇷 Brazil

★★★★★

"i love working with this guy. does everything i need quickly and professionally"

- prodby_turr 🇵🇱 Poland

★★★★★

"Trustful and easy going guy."

- missbeannotting 🇩🇪 Germany

Read all 254+ Fiverr Reviews →

Frequently Asked Questions

What does Smart Solutions do?

Smart Solutions plans, builds and manages web software and communication automation: custom full-stack web applications with React, Angular and Laravel, project management from scope to launch, Twilio and Plivo SMS, IVR and voice workflows, A2P 10DLC registration, AI voice agents and chatbots, CRM integrations for HubSpot, Wix and ClickFunnels, and WordPress development.

Who is Sandeep Kumar?

Sandeep Kumar is the full-stack web developer and project manager behind Smart Solutions. He has built and delivered PHP, Angular and React applications since 2015, went independent in 2020, and specializes in custom web apps, Twilio and Plivo automation, A2P 10DLC compliance and AI voice agents. He is a Level 2 seller on Fiverr (smartsolutionit) with 254+ five-star reviews.

Do you build custom web applications?

Yes. Full-stack web development is the core of the work: SQL database design, Laravel, CodeIgniter or CakePHP APIs, and React, Angular or Next.js front ends, from customer portals and SaaS dashboards to internal tools, plus taking over and modernizing existing PHP applications.

Can you manage my web project from start to finish?

Yes. Every build includes project management: agreeing scope and milestones, Agile sprints with work you can review on a staging server, regular updates over Slack or email, QA, launch and handover. I can also act as technical project manager for a team or vendor you already work with.

Can you help with A2P 10DLC registration?

Yes. I prepare and submit the brand and campaign in your Twilio account, fix the website, privacy policy and opt-in details that reviewers check, and correct and resubmit the campaign if it is rejected.

How do I hire Smart Solutions?

Send a project brief through the contact form at smartsolutionwebsites.com/contact, call +1 302 316 5127, or order through Fiverr at fiverr.com/smartsolutionit for escrow-protected payment. You get a reply within 24 hours with questions or a proposed approach.

Which technologies do you work with?

Twilio, Plivo and OpenAI for communication and AI; HubSpot, Wix Velo, ClickFunnels, Stripe and PayPal for integrations; React, Angular and Next.js on the front end; and Laravel, CodeIgniter, CakePHP and WordPress with SQL databases on the back end.

⚠️ EXTREMELY LIMITED AVAILABILITY

Secure Your Slot.

My calendar is filling at record speed. If your enterprise requires expert Twilio automation or a scalable React architecture, reserve your consultation before the current quarter books out entirely.

Hire Sandeep Now