Portfolio
500+ projects delivered across AI voice, VoIP, mobile apps, e-commerce and web. Here are some highlights.
AI Predictive Dialler Platform
Real-time AI voice agent built on LiveKit + OpenAI Realtime with Deepgram STT, answering machine detection, CRM sync, and sub-500ms latency.
Healthcare Appointment Booking Voice Agent
AI voice agent for a US multi-clinic group that books, reschedules and cancels patient appointments 24/7. Integrated with EHR via HL7 FHIR API, handles insurance verification queries and sends SMS confirmations.
Real Estate Lead Qualification Agent
Outbound AI voice agent for a UAE property developer that calls leads within 60 seconds of form submission. Qualifies budget, timeline, preferred location, and books showroom appointments directly into CRM.
E-Commerce Order Support Voice Bot
AI voice agent for a UK fashion retailer handling order status, returns, refunds and delivery queries without human agents. Integrated with Shopify Orders API and Royal Mail tracking.
Insurance Claims FNOL Voice Agent
First Notice of Loss AI voice agent for a US insurance carrier. Collects accident details, validates policy, triggers claims workflow and schedules adjuster callbacks — fully automated over voice.
Restaurant Reservation & Ordering Agent
AI voice agent deployed across 45 restaurant locations in Australia. Takes reservations, answers menu questions and handles catering enquiries in English and Mandarin. Syncs with OpenTable and POS.
SaaS Product Onboarding Voice Assistant
Proactive outbound voice agent that calls new SaaS trial users, walks them through product setup, answers feature questions and schedules demo calls with sales — reducing churn in the first 7 days.
FreePBX Migration & HA Cluster
Migrated legacy Avaya PBX to dual-node FreePBX HA cluster on AWS EC2. Zero downtime cut-over with full extension, IVR and SIP trunk replication.
Asterisk Call Centre — 500-Seat BPO (Philippines)
Built a 500-seat inbound/outbound call centre on Asterisk 20 + Vicidial for a BPO in the Philippines. Skills-based ACD routing, predictive dialling with AMD, real-time supervisor wallboard, call recording with S3 archival and Salesforce screen-pop via REST CTI.
FreeSWITCH Inbound Contact Centre — Healthcare (USA)
HIPAA-compliant inbound contact centre on FreeSWITCH ESL for a US health insurance provider. Dynamic agent queues with overflow routing, whisper coaching, live call monitoring, post-call IVR CSAT survey and EHR screen-pop via HL7 FHIR API.
OpenSIPS Carrier-Grade Call Centre Proxy (UK)
OpenSIPS 3.4 SIP load balancer for a UK contact centre outsourcer routing 3,000+ concurrent calls across 12 Asterisk media servers. LCR with 6-carrier failover, real-time fraud scoring, CDR export to billing system and Homer SIP capture for QA.
FreeSWITCH Multitenant PBX SaaS — 400+ Tenants
White-label multitenant PBX SaaS on FreeSWITCH serving 400+ SMB tenants. Each tenant has isolated dialplan, extension pool, IVR drag-and-drop builder, call recording, voicemail-to-email and a branded WebRTC softphone — all from a single 3-node HA cluster managed via React admin portal.
Asterisk Multitenant PBX — ISP White-Label (India)
White-label hosted PBX product for a South Asian ISP reselling to 800+ SMB customers. Provisioning API auto-creates tenant context, assigns DID pool, configures SIP trunks and emails welcome credentials. Billing module calculates per-tenant CDR charges and exports invoices to Tally.
Asterisk AGI IVR — Banking Self-Service (Gulf)
Enterprise IVR on Asterisk AGI + Python for a Gulf bank with 18 branches. Arabic and English menus handle account balance, mini-statement, loan status, fund transfer initiation and appointment booking — all integrated with core banking API via REST. 70% of calls resolved without agent.
FreeSWITCH IVR Platform — Utility Company (Australia)
Dynamic IVR system on FreeSWITCH ESL for a major Australian utility provider. Handles bill payment over IVR (PCI-DSS DTMF masking), outage notifications, meter reading submission and callback scheduling. Integrates with SAP ISU for real-time account data.
OpenSIPS + Asterisk IVR — E-Commerce Order Tracking (UAE)
High-availability IVR built on OpenSIPS routing to Asterisk media servers for a UAE e-commerce group. Callers authenticate by mobile OTP, hear real-time order status via TTS, reroute to courier or request return — all without a human agent. Handles Arabic and English with regional accent TTS.
Multi-Location PBX — Retail Chain (50 Sites, Australia)
Centralised Asterisk PBX with SIP branch offices across 50 retail locations for an Australian supermarket chain. Site-to-site SIP trunks over MPLS, centralised voicemail, inter-branch free dialling, emergency call override per site and a cloud management portal for the IT team.
Multi-Site FreeSWITCH PBX — Law Firm (UK, 8 Offices)
Unified communications for an 8-office UK law firm on FreeSWITCH with VoIP trunks from BT SIP Connect. Single dial plan across offices, direct-dial extensions, presence and BLF across sites, MS Teams integration for fee-earners and call recording with Matter-tagged archival for compliance.
Multi-Branch Hotel PBX — Maldives Resort Group
FreePBX-based hotel telephony across 3 island resorts totalling 650 rooms. Guest room auto-assignment on check-in via Opera PMS API, wakeup call scheduling, minibar billing relay, emergency SOS routing to front desk and inter-resort free calling over site-to-site SIP.
Vicidial Predictive Dialler — Debt Recovery (USA, TCPA)
TCPA-compliant Vicidial predictive dialler for a US debt recovery agency. Custom AMD with 94% accuracy, real-time DNC list scrubbing, call pacing throttle to maintain <3% abandon rate, encrypted call recording and a fully custom React agent UI replacing the legacy Vicidial interface.
Kamailio SIP Proxy — Telecom Carrier (India, 5K Sessions)
Kamailio 5.7 SIP load balancer and registrar for an Indian MVNO handling 5,000+ concurrent SIP registrations. Stateless proxy with dispatcher module, active-passive failover, Homer SIP capture integration, Prometheus + Grafana dashboards and per-prefix LCR routing to 4 upstream carriers.
FreeSWITCH WebRTC Click-to-Call — SaaS CRM Platform
Browser-native WebRTC click-to-call embedded in a SaaS CRM for 2,000+ sales users. Built on FreeSWITCH + SIPjs with STUN/TURN relay, call recording stored to S3, live Deepgram transcription displayed in-browser and automatic HubSpot activity logging on call end.
Asterisk ARI Omnichannel Platform — EdTech (India)
Custom omnichannel communications platform for an Indian EdTech company on Asterisk ARI + Node.js. Inbound calls auto-identify the student, fetch their course data and route to the correct department. Outbound broadcast campaigns notify students of class schedules. Integrates with custom LMS via REST API.
AES-256 SRTP Encryption Gateway — PortaSIP to Plain RTP Bridging
Encrypted PortaSIP phones could not talk to a carrier trunk that only accepts plain RTP. The phones offer SRTP as AES_CM_256_HMAC_SHA1_80, a name rtpengine did not recognise - it expects AES_256_CM_HMAC_SHA1_80 - so every encrypted offer was rejected. We patched rtpengine 14.2 to accept the phones' naming and added both AES-256 suites, then built OpenSIPS 3.4 routing that decrypts outbound audio for the trunk and encrypts inbound audio for the phones.
Browser Softphone on FreeSWITCH — Multi-Tenant AI Call Centre (aiDialer)
A phone inside the web portal for agents on our own AI call-centre platform: register, answer, hold, blind and warm transfer, three-way calls, call pickup and intercom, with no desk phone. JsSIP over secure WebSocket to FreeSWITCH through an nginx TLS proxy, DTLS-SRTP media, twelve-hour browser-only SIP logins, and SIP isolation enforced between workspaces.
Twilio Flex Contact Centre — Insurance (USA)
Custom Twilio Flex deployment for a US insurance company with real-time transcription, post-call sentiment analysis and Salesforce CTI screen-pop.
Twilio Programmable Voice — Outbound Sales Dialler (USA)
Outbound sales dialler for a US real estate company built on Twilio Programmable Voice. Agents click-to-call from HubSpot CRM, calls are recorded and transcribed with Twilio Transcriptions, and outcomes are auto-logged. Handles 8,000+ outbound calls/day with dynamic caller ID rotation to maximise answer rates.
Twilio SMS Appointment Reminders — Healthcare (UK)
Two-way SMS appointment reminder system for a UK dental group with 22 clinics. Patients receive automated SMS reminders 48h and 2h before their appointment and can reply CONFIRM, CANCEL or RESCHEDULE. Integrated with Dentally PMS, reducing no-shows by 34% and saving £120K annually in lost chair time.
Twilio Fax (Programmable Fax) — Legal Document Exchange (USA)
Paperless fax platform for a US personal injury law firm replacing 6 physical fax machines. Inbound faxes are received as PDF via Twilio Programmable Fax webhook, OCR-processed with AWS Textract, auto-classified by document type (medical records, court filings, insurance) and filed into Clio matter management.
Twilio Studio IVR & SMS Bot — Logistics Tracking (Australia)
No-agent parcel tracking system for an Australian courier company built on Twilio Studio. Customers call or text a tracking number; the system queries the dispatch API in real time and responds with delivery status via voice (TTS) or SMS. Handles 15,000+ daily interactions with zero agent involvement.
Plivo Programmable Voice — OTP Verification Platform (India)
High-throughput OTP voice call verification system for an Indian fintech serving 2M+ users. When SMS OTP fails, the fallback triggers a Plivo voice call reading a 6-digit OTP via TTS in 8 regional Indian languages. Handles 200,000+ OTP calls/month with 99.5% delivery SLA.
Plivo SMS Marketing Campaigns — E-Commerce (Southeast Asia)
Bulk SMS marketing and transactional notification platform for a Southeast Asian e-commerce marketplace. Promotional campaigns to 500K+ subscribers with personalised product recommendations, flash sale alerts, order confirmations and delivery updates — all via Plivo SMS API with DND scrubbing and opt-out management.
SignalWire SWML Predictive Dialler — Debt Collection (USA)
TCPA-compliant outbound predictive dialler for a US debt collection agency built on SignalWire using SWML (SignalWire Markup Language). Features AMD detection, DNC list scrubbing, dynamic agent assignment and call recording. Migrated from Twilio saving the client 38% on per-minute costs at 500,000 minutes/month.
SignalWire Video + SMS — Telehealth Platform (Canada)
PIPEDA-compliant telehealth platform for a Canadian clinic network built on SignalWire Video Rooms and SMS. Patients book appointments via web, receive SMS confirmation and join encrypted video consultations from their browser — no app install. E-prescriptions sent as secure SMS post-consultation.
Telnyx Programmable Voice — SaaS Call Tracking (USA)
Dynamic number insertion (DNI) call tracking platform for a US digital marketing SaaS. Each ad campaign gets a unique Telnyx DID; inbound calls are tracked by source, keyword and campaign, transcribed and scored for lead quality. Dashboard shows cost-per-call and revenue attribution per channel.
Telnyx SMS & Fax — Healthcare Records Exchange (USA)
HIPAA-compliant patient records exchange for a US radiology network. Referring physicians request reports via secure SMS portal backed by Telnyx SMS API. Completed radiology reports are delivered as encrypted fax via Telnyx Programmable Fax — eliminating unsecured email and speeding report turnaround from 4 hours to 22 minutes.
Bandwidth Voice & SMS — Enterprise UCaaS (USA)
Enterprise UCaaS platform for a US managed service provider built on Bandwidth Voice and Messaging APIs. Provisions DID numbers on demand per tenant, routes inbound calls to Asterisk PBX via SIP interconnect, and sends transactional SMS from business numbers. Billing integrates with Bandwidth IRIS for real-time DID inventory management.
Bandwidth 911 Emergency Routing — Property Management (USA)
Kari's Law and RAY BAUM'S Act compliant 911 solution for a US property management company with 140 buildings. Built on Bandwidth 911 API with per-building dispatchable location provisioning, automatic MLTS notification to on-site security and a real-time admin portal showing registered location data for all extensions.
Unified Communications — Multi-Site
VitalPBX HA Active-Active cluster across 4 UK office locations with VitXi WebRTC, MS Teams integration and real-time wallboard.
Multi-Vendor E-Commerce Marketplace
Laravel + Vue.js headless marketplace for 120+ vendors with Stripe Connect splits, real-time inventory, and 4,200+ daily orders.
Ticket / CRM / VoIP Integration
Unified helpdesk fusing Zoho CRM, Freshdesk ticketing, and Asterisk telephony. Single agent screen: call + ticket + customer 360 in one view.
Healthcare App — 50K+ Downloads
Flutter-based telemedicine app with in-app video consults, e-prescription, pharmacy integration and HIPAA-compliant data storage.
Real Estate App — Hebrew RTL
Cross-platform Flutter real estate app for the Israeli market with GPS search, 360° virtual tours, AI valuation and full RTL Hebrew UI.
Logistics Tracking App
Last-mile delivery tracking app for a UAE logistics company. Live GPS driver tracking, proof-of-delivery, route optimisation, and customer SMS alerts.
Shopify Plus Custom Checkout
Bespoke Shopify Plus store for a UK fashion brand with custom checkout.liquid, Klarna BNPL, Loyalty Points app and 94/100 PageSpeed.
WooCommerce → Headless Migration
Migrated a 40K-product WooCommerce store to Next.js + WooCommerce REST API headless setup. Page load cut from 8s to 1.2s.
Oman Telecoms — VoIP Carrier Platform
Custom SIP carrier platform on Kamailio + FreeSWITCH for an Oman telco, handling 500+ concurrent calls with real-time billing and anti-fraud.
B2B Wholesale Portal — Manufacturing (Germany)
Custom Laravel + Vue.js B2B wholesale portal for a German industrial parts manufacturer. Tiered pricing per customer segment, MOQ enforcement, bulk order CSV import, SAP S/4HANA ERP sync for real-time stock and automated export documentation (commercial invoice, packing list) in PDF.
Grocery Delivery Platform — Quick Commerce (UAE)
On-demand grocery delivery platform for a UAE retailer promising 20-minute delivery. Customer app (Flutter), rider app (Flutter), merchant dashboard (React) and dispatch engine with automatic store assignment by proximity. Integrated with Moyasar payment gateway and Google Maps Route Optimisation API.
Magento 2 — Automotive Parts Store (USA)
High-SKU Magento 2 store for a US automotive parts retailer with 280,000+ SKUs, year/make/model vehicle fitment filter, TecDoc catalogue API integration, Stripe + PayPal checkout, eBay Motors channel sync and automated dropship PO generation to 12 suppliers.
Subscription Box Platform — Beauty (UK)
Shopify Plus subscription commerce platform for a UK beauty brand with 35,000+ active subscribers. Built on Recharge Payments with custom subscriber portal, gifting flow, pause/skip logic, loyalty points engine and Klaviyo automated email sequences for churn recovery.
Luxury Furniture Store — Configurator (Australia)
Next.js headless commerce site for an Australian luxury furniture brand with a real-time 3D product configurator (fabric, colour, leg finish), custom quote engine for made-to-order pieces, Afterpay BNPL and a trade/interior designer portal with exclusive pricing and project management tools.
Pharmacy eCommerce + PMS Integration (Middle East)
HIPAA-aligned online pharmacy for a Gulf healthcare group. Prescription upload with pharmacist verification workflow, real-time stock sync with McKesson PMS, home delivery + click-and-collect, Arabic/English bilingual UI and Tamara BNPL checkout. WhatsApp order status notifications via Twilio.
WooCommerce Food Marketplace — Multi-Restaurant (Canada)
Multi-restaurant food delivery marketplace for a Canadian city built on WooCommerce + Dokan. 80+ restaurant partners each manage their own menu and hours; customers order from multiple restaurants in one cart. Stripe Connect splits revenue, and a custom dispatcher app assigns delivery riders.
Fintech Wallet App — 100K+ Users (Africa)
Flutter-based mobile wallet for a West African fintech with P2P transfers, mobile money top-up (MTN, Airtel Money), QR code payments, bill payments and biometric authentication. PCI-DSS Level 1 compliant with end-to-end encryption. Onboarded 100,000+ users in first 6 months.
Field Service Management App — HVAC (USA)
Flutter field service app for a US HVAC company. Technicians receive job assignments, navigate to site, capture equipment photos, complete digital service reports, collect customer e-signature and process payment via Stripe Terminal — all offline-capable with background sync when connectivity returns.
EdTech Learning App — 200K Students (India)
Flutter e-learning app for an Indian EdTech startup covering K-12 and competitive exam prep. Video lessons with adaptive playback, live classes via Agora, AI-powered doubt resolution chatbot, progress analytics, gamified streaks and in-app purchases for course packs. Published on App Store and Google Play.
On-Demand Beauty Services App (UAE)
Uber-style at-home beauty services app for the UAE market. Customers browse stylists by service, rating and availability; stylists manage their schedule and earnings in a separate provider app. Stripe + cash on delivery payment, live tracking, and Arabic RTL support across both apps.
Property Management App — Landlord & Tenant (UK)
Flutter dual-app platform for a UK PropTech startup. Landlords list properties, manage tenancies, collect rent and log maintenance requests. Tenants pay rent via GoCardless Direct Debit, raise issues with photo evidence and track repair status. Automated tenancy agreement generation via DocuSign API.
Fitness & Workout Tracker — Wearable Sync (USA)
iOS and Android fitness app built with Flutter for a US wellness brand. Custom workout builder, AI-generated training plans, real-time rep counter via phone camera (MediaPipe), Apple Health and Google Fit sync, in-app coaching subscription via RevenueCat and Stripe.
Fleet Management App — Trucking (Saudi Arabia)
Real-time fleet tracking and management app for a Saudi Arabian logistics company with 350+ trucks. Live GPS tracking on driver app, geofence alerts, fuel consumption logging, e-waybill generation and a web dispatcher dashboard with route history and driver performance reports.
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