06/11/2026 updated

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Senior Tech Lead | 15+ yrs | Complex Systems Integration, AI & Cloud (.NET/React/Azure)

Ahmedabad, India
Worldwide
Engineering
Ahmedabad, India
Worldwide
Engineering

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pushpak_parmar_cv.pdf

About me

Senior Tech Lead & Solution Architect with 15+ yrs designing complex systems for US/EU clients. Specialise in API-driven architecture, cloud (Azure/AWS), ERP/CRM integrations, AI apps. Lead teams from discovery to go-live. Full-cycle delivery.

Legacy Database.NET FrameworkApplication Integration ArchitectureE-CommerceJava ArchitecturesPython (Programming Language)Legacy System Migration WorkbenchSystems Integration.NET CoreEvent-driven ArchitectureReact.jsEvent Driven ArchitectureIntegration FrameworksCloud IntegrationCode RefactoringApi Management
SENIOR TECH LEAD | COMPLEX SYSTEMS INTEGRATION & AI/CLOUD

I am a Senior Tech Lead and Solution Architect with 15+ years of experience designing and delivering complex, business-critical systems for US and European clients. I lead cross-functional teams (backend, frontend, mobile, QA, DevOps) from discovery and architecture through development, testing and go-live.

CORE TECHNICAL CAPABILITIES:
- Complex Systems Integration: REST/SOAP APIs, microservices, event-driven architecture, ERP/CRM/legacy integrations
- AI & Automation: AI chatbots (Dialogflow/WotNot), NLP, AI-enabled workflows, cloud AI services (Azure/AWS/GCP)
- Cloud & DevOps: AWS (EC2, RDS, S3, CodePipeline), Azure, GCP, CI/CD, containerisation, monitoring
- Backend: .NET Core, Java, Node.js, Python, PHP
- Frontend & Mobile: React, React Native, Flutter, Angular, Vue
- Databases: MySQL, PostgreSQL, MongoDB, Redis
- Integrations: Payment gateways, IVR systems, VOIP, Firebase, Twilio, Stripe, OpenTok

SELECTED PROJECT HIGHLIGHTS:
- AI Chatbot for UK CTRM hospitality client: Led build of NLP chatbot on Dialogflow + WotNot integrated with FavouriteTable reservation system. Increased bookings by 45%, reduced wait times from 6-8 mins to near-instant.
- Telemedicine Platform (Doctoray - Kuwait): Architected full-stack telehealth app (React Native, Node, AWS) enabling video/audio consultations, appointment booking, doctor availability. 57% increase in doctor office consultation efficiency.
- Stellar Blockchain DEX: Led technical design and development of a decentralised exchange on Stellar (non-EVM chain), adapting Uniswap V2 protocol. Full discovery-to-deployment delivery.
- Spa & Restaurant Management Platform: Designed and delivered multi-branch operations platform (PHP/CodeIgniter, MySQL) with payment, Twilio, WhatsApp integrations. 38% improvement in operational speed.
- Sports Platform (RacquetHeroes): Tech led full-stack platform (Flutter, ReactJS, Python, PostgreSQL) for real-time tournament management and live score tracking across 6 racquet sports.

ENGAGEMENT MODELS:
- Tech Lead / Architect embedded in your team
- Fixed-price MVPs and end-to-end project delivery
- T&M or long-term retainer with dedicated squad (3-12 engineers)

All projects delivered from discovery and architecture to production and support.

Experience

Professional experience10+ years
Freelancer since2010

Languages

EnglishNative speakerFrenchBasic knowledgeHindiNative speaker

Project history

Tech Lead

AI - Voice to Text Transcriber
Challenge: Client needed an enterprise-grade AI voice transcription platform to automate manual data entry across sales and support teams, handling 10,000+ calls/month with 95%+ accuracy.

Approach: Led end-to-end architecture and delivery as Tech Lead. Designed a cloud-native pipeline integrating OpenAI Whisper and ChatGPT for real-time transcription and intent extraction. Built microservices on Azure with REST APIs connecting CRM and helpdesk systems.

Stack: Azure, OpenAI (Whisper + GPT-4), Python, REST APIs, React.js, CI/CD (GitHub Actions)

Outcome: Reduced manual transcription effort by 80%, cut average handling time by 35%, and enabled real-time sentiment analysis for team leads. Deployed to production within 10 weeks.

Tech Lead

Client onboarding and workflow automation tool designed for agencies
Challenge: A digital agency needed a scalable client onboarding and workflow automation platform to eliminate manual handoffs, reduce onboarding time, and support 50+ concurrent client projects.

Approach: Served as Tech Lead, owning architecture, team coordination, and delivery. Designed a no-code/low-code workflow engine with dynamic task delegation, progress tracking, and third-party integrations (Zapier, Slack, CRM). Built on a microservices backbone with event-driven triggers.

Stack: Node.js, React.js, PostgreSQL, REST APIs, Zapier, Slack API, AWS Lambda, CI/CD (GitHub Actions)

Outcome: Reduced average client onboarding time by 60%, improved team throughput by 40%, and enabled the agency to scale from 20 to 80+ active clients without additional headcount.

Tech Lead

Monty - IOT based compost mobile app that monitors the health of compost.

Energy, Water & Environment

10-50 team member

Challenge: An AgriTech startup needed an IoT-connected compost monitoring system — a Bluetooth-enabled hardware device paired with a mobile app to give farmers and gardeners real-time compost health data.

Approach: Led the full solution as Tech Lead, covering IoT firmware integration, mobile app architecture, and cloud data pipeline. Designed BLE (Bluetooth Low Energy) communication layer between the Monty device and iOS/Android apps. Built a cloud backend for sensor data collection, analytics, and AI-driven composting recommendations.

Stack: React Native (iOS & Android), BLE/Bluetooth SDK, Node.js, AWS IoT Core, Python (data analytics), REST APIs

Outcome: Delivered a fully functional MVP from concept to app store launch in 14 weeks. App achieved 4.6-star rating on launch; adopted by 500+ users in first month across EU and UK markets.

Tech Lead

Hospital Management
Challenge: A healthcare provider needed a comprehensive Hospital Management System to digitize patient workflows, enable remote doctor consultations, and integrate real-time communication across departments.

Approach: Led architecture and delivery as Tech Lead across a 5-module platform: Patient Management, Doctor Search & Booking, Online Appointment Scheduling, Telemedicine (Chat/Audio/Video), and Payment Processing. Designed HIPAA-aligned data models and integrated WebRTC for real-time consultations.

Stack: React.js, Node.js, WebRTC, PostgreSQL, Stripe API, REST APIs, AWS (EC2, S3, RDS), CI/CD

Outcome: Reduced administrative overhead by 50%, enabled 200+ daily telemedicine consultations post-launch, and cut patient appointment no-shows by 30% through automated reminders. Delivered across 2 hospital networks.

Tech Lead

Job Portal with AI Resume Generation
Challenge: A recruitment tech startup needed an AI-powered job portal to connect companies, candidates, and admins — with a differentiating AI-based resume generation feature using video-to-CV transcription.

Approach: Led full-stack architecture and cross-functional delivery as Tech Lead. Designed a three-role platform (employers, candidates, admins) with video intake, OpenAI Whisper-based transcription, and GPT-driven CV structuring. Integrated ATS-compatible export and real-time application tracking.

Stack: React.js, Node.js, Python, OpenAI (Whisper + GPT-4), MongoDB, AWS S3, REST APIs, CI/CD (GitHub Actions)

Outcome: Launched MVP in 12 weeks; AI CV generation reduced candidate drop-off by 45%. Platform onboarded 30+ enterprise clients in first 3 months post-launch.

Tech Lead

Event Booking Platform
Challenge: An events company needed a unified web and mobile platform to manage complex event logistics — from discovery and social engagement to ticketing, seat management, and payment processing.

Approach: Led full-stack architecture as Tech Lead. Designed a multi-role platform (organizers, attendees, admins) with Event Management, Social Media Timeline, Ticket Management, and integrated payment flows. Ensured responsive design across web and mobile (React Native).

Stack: React.js, React Native, Node.js, PostgreSQL, Stripe API, REST APIs, AWS (S3, EC2), CI/CD (GitHub Actions)

Outcome: Processed 10,000+ ticket transactions within the first 6 months post-launch. Reduced event setup time by 70% for organizers. Platform scaled to support 500+ concurrent events with zero downtime SLA.

Portfolio

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