Hello, I'm

Haroon Saleem

Full Stack Developer &
Electrical Engineer

Specializing in AI-powered systems, real-time voice applications, and scalable web solutions. Building the future of telephony and conversational AI.

Get in Touch View Projects
Haroon Saleem - Full Stack Developer

Full Stack Developer

About Me

Professional Summary

Full Stack Developer and Electrical Engineer with expertise in AI-powered systems, embedded solutions, and scalable web applications. Proven track record in developing real-time VoIP telephony systems, CRM platforms, and hardware-software integration projects.

Strong foundation in both modern software development and electrical engineering fundamentals, with hands-on experience in cloud architecture, telephony APIs, and conversational AI systems.

Education

MSc Electrical & Computer Engineering

National University of Science & Technology

2024 – Present

BSc Electrical & Computer Engineering

Capital University of Science & Technology

2020 – 2024

CAREER PATH

Professional Experience

Most recent first

Full Stack Developer

VEEIVS · Islamabad, Pakistan
Jan 2024 – Jan 2026
  • Built backend services in Python using Django, DRF, FastAPI, Flask for real-time voice systems, CRM workflows, and AI-driven integrations.
  • Designed and maintained REST APIs for React.js frontends: auth, role-based access, live call state, transcripts, analytics, billing.
  • Implemented voice pipelines with Twilio, Telnyx, LiveKit and webhook-driven FastAPI for call control and routing.
  • Integrated Deepgram and ElevenLabs for STT/TTS; orchestrated LLM flows with Vapi (multi-turn dialogue, session memory).
  • Built voice AI assistant backend and AI-powered QA (call summaries, disposition, compliance).
  • CRM backend with Django & PostgreSQL; Redis & Celery; Docker on AWS ECS/ECR/EC2; S3, DynamoDB, Lambda; GitHub Actions CI/CD.

Skills used

Python Django DRF FastAPI Flask React.js REST API Twilio Telnyx LiveKit Deepgram ElevenLabs Vapi PostgreSQL Redis Celery Docker AWS GitHub Actions

Full Stack Developer

Mar's LLC · Rawalpindi, Pakistan
Apr 2023 – Dec 2023
  • Built end-to-end voice AI assistant with Deepgram, ElevenLabs, LiveKit; optimized latency and voice interactions.
  • Developed conversational AI flows via Vapi (multi-turn dialogue, context management, voice-driven workflows).
  • Designed scalable multi-campaign CRM for users, campaigns, permissions, and interaction workflows.
  • Deployed RESTful APIs with Django for React, Vite, Expo; API design, testing, and documentation best practices.

Skills used

Deepgram ElevenLabs LiveKit Vapi Django React Vite Expo REST API

Trainee Engineer — VSAT Engineering

Pak Datacom Limited · Islamabad, Pakistan
Aug 2022 – Sep 2023
  • Monitored and optimized VSAT satellite systems for real-time remote connectivity.
  • Improved link establishment between remote sites and HQ; reduced downtime via diagnostics and documentation.

Skills used

VSAT Satellite Systems Hardware Diagnostics Remote Connectivity

System Administrator Intern

ICVPL · Islamabad, Pakistan
Aug 2020 – Mar 2021
  • Managed Windows Server: Active Directory, DNS, DHCP, GPOs; VPN and WSUS patching.
  • Automated provisioning and monitoring with PowerShell; ensured high availability of IT services.

Skills used

Windows Server Active Directory DNS DHCP GPO VPN WSUS PowerShell

Software Developer Intern

ICVPL · Islamabad, Pakistan
May 2020 – Jun 2020
  • Enhanced ERP modules (finance, supply chain) with C# and .NET; integrated inventory and payment systems.
  • Collaborated with stakeholders on requirements, testing, and documentation for stable deployments.

Skills used

C# .NET ERP Inventory Systems Payment Processing

WHAT I'VE BUILT

Featured Projects

Voice AI, CRM, telephony, and full-stack systems

Voice-Enabled AI Assistant

Real-time AI assistant with Deepgram (STT), Vapi for conversation orchestration, ElevenLabs (TTS), and Telnyx AI for dynamic telephony. Webhook-controlled call flows for intelligent routing, event handling, and automated responses.

Deepgram Vapi ElevenLabs Telnyx

AI-Powered QA Management

Automated call analysis with AI-generated call summaries, sentiment and topic-based disposition classification, and compliance monitoring. Pipelines for speech analytics, data extraction, and reporting for quality assurance and regulatory adherence.

AI/ML Python Analytics

Multi-Campaign CRM Platform

Comprehensive CRM for multiple campaigns: embedded dialer tools, real-time call monitoring, call analytics dashboards, fine-grained role-based permissions, and real-time user activity tracking to optimize campaign performance and operational efficiency.

Django React PostgreSQL

Call Tracking & Monitoring

Call management system using Telnyx and Twilio APIs for SIP/VoIP and WebRTC. Features: call recording, real-time call logs, caller analytics, and custom alerting and monitoring for high-volume telephony environments.

Telnyx Twilio WebRTC

Enhanced Palm Print Recognition

Advanced biometric authentication using document scanner imagery, implemented in Python and MATLAB for high-security identity verification. 2nd Place — Final Year Project (2024).

Python MATLAB Computer Vision

FPGA Image Processing

Sharpness and smoothing filters on FPGA Spartan 3 using MATLAB and Verilog for real-time image processing and hardware acceleration.

Verilog MATLAB FPGA

Dockerized Microservices

Containerized Django and Node.js microservices with Docker, deployed on AWS with auto-scaling, high availability, and secure cloud infrastructure management.

Docker AWS Django

Real-Time IoT Monitoring

IoT sensor network to monitor environmental parameters with real-time dashboards, event alerts, and cloud integration for data analytics.

IoT Dashboards Cloud

Secure Payment & Subscription

Automated subscription workflows and payment gateway integration (Stripe) with webhooks for plan management, transaction handling, and analytics reporting.

Stripe Webhooks Subscriptions

WHAT I WORK WITH

Technical Skills

Languages, frameworks & tools I use to build and ship products

Programming

Python JavaScript C/C++ C#

Web Tech

Django FastAPI React Node.js

AI & ML

Deepgram ElevenLabs Vapi TensorFlow

Telephony

Telnyx Twilio WebRTC SIP

Cloud & DevOps

AWS Docker GitHub Actions Linux

Databases

PostgreSQL MySQL Redis

Certifications

Formal training & verified credentials

Full Stack Developer 101

Python Django 101

Asterisk Certified

OpenSIPS Training 3.2

PBXact Certified

ON GITHUB

GitHub

Profile & recent repositories

Get In Touch

I'm always open to discussing new projects, creative ideas, or opportunities to be part of your visions.

Email

haroonhsa1234@gmail.com

Phone

+92 317 5255198

Location

Islamabad, Pakistan

GitHub

Haroonhsa007

LinkedIn

HaroonSaleem007
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