# Haroon Saleem — extended profile

Source: https://develos.xyz/

## Summary

Software engineer who builds full-stack applications, backend APIs, AI voice systems, real-time communications (SIP, WebRTC), cloud infrastructure, monitoring and automation. Method: learn the workflow, design the system, build the interfaces, connect the infrastructure, test the path, then ship and operate it.

By the numbers: 19 systems on file, 6 credentials, 70+ repositories.

Availability: open to engineering work, contract or full time. Best fit: product engineering, real-time systems and infrastructure.

Contact: haroonhsa1234@gmail.com | https://linkedin.com/in/haroonsaleem007 | https://github.com/Haroonhsa007 | CV: https://develos.xyz/HaroonSaleem.pdf

## Current roles

- CCRIPT Agency. Project Lead PL2 since May 2026; Full Stack Software Engineer since April 2026. Stack: Next.js, FastAPI, Django, PostgreSQL, Redis, Supabase, Vercel, AWS, Python, Bash, Zabbix, Cisco Meraki, Neo4j, MAESTRO.
- Neuralogic (full-time, remote). Project Lead since May 2026; Full Stack Software Engineer since April 2026.

## Past roles

- VEEIVS, January 2024 to January 2026. Progressed from Python engineer to backend developer, mid full stack engineer and full stack software engineer. Built backend, CRM, telephony, AI voice, cloud and real-time communication systems with Django, FastAPI, Twilio, Telnyx, LiveKit, PostgreSQL, Redis, AWS, SIP and WebRTC.
- M/s Tecknotra, February 2026 to March 2026. Satellite and microwave link engineering, hardware diagnostics and link-quality optimization.
- Mars BPO, April 2023 to November 2023. Full stack software engineer: speech-AI assistants, conversational voice workflows, a multi-campaign CRM, and Django APIs serving React, Vite and Expo frontends.
- Earlier: satellite communications, Windows infrastructure, automation scripting, computer vision, FPGA image processing, and electrical and computer engineering.

## Selected work

### CCRIPT Agency desk
- Loan and mortgage platform: loan origination (LOS) and point-of-sale (POS) workflows, internal processing screens, backend services and data model. Next.js, FastAPI, Django, PostgreSQL, Redis, AWS, automated testing, CI/CD.
- Rental trailer platform: multi-tenant SaaS on Next.js, Supabase and Vercel.
- Real estate lead manager: intake, qualification, follow-up sequencing and communication tracking. Python, Django, PostgreSQL.
- Zabbix and Cisco Meraki monitoring: templates, triggers, device telemetry, dashboards, Python and Bash tooling.
- Agentic development pipeline (in progress): planning, implementation, verification and escalation with a Neo4j memory layer. Python, Neo4j, MAESTRO.

### VEEIVS, communications and CRM
- High-volume call operations telephony: live call state, logs, recordings, analytics and alerting. SIP and WebRTC through Twilio and Telnyx into backend call control; Python, Django, FastAPI, React, PostgreSQL, Redis.
- Dialer system: campaign-driven dialing with routing rules, agent workflows and carrier integrations.
- CRM platforms: users, campaigns, role-based permissions, interaction history and activity tracking.
- Soft switch development: SIP call control, routing, carrier connectivity and media handling with Kamailio, Drachtio and RTPengine.
- VICIdial operations: work within the call-center stack around VICIdial and Asterisk.
- Voice-enabled assistant: speech to text, LLM orchestration and text to speech over live audio with Deepgram, Vapi, ElevenLabs and LiveKit.
- Automated call QA: summaries, disposition classification, sentiment and topic signals, compliance validation.

### Personal build
- A VoIP platform built end to end: call tracking, monitoring, dialer operations, SIP provider connectivity, routing and soft-switch call handling. Kamailio, Drachtio, RTPengine, Django, PostgreSQL, Redis, Zabbix.

### Archive
- Palm print recognition from document-scanner imagery (Python, MATLAB, computer vision): second place at the 2024 final year project showcase.
- Image sharpening and smoothing filters on a Spartan-3 FPGA (Verilog, MATLAB).
- Dockerized Django and Node.js microservices on AWS with GitHub Actions.
- Stripe payments and subscriptions with webhooks.
- Real-time environmental sensor monitoring with live dashboards and alerting.
- Early voice assistant work with LiveKit, Vapi, Deepgram and ElevenLabs.

## Toolbox

- Product and interface: Next.js, React, JavaScript, Tailwind, Vite, Expo.
- Services and APIs: Python, Django, FastAPI, DRF, Flask, REST.
- Storage and state: PostgreSQL, Redis, Supabase, Neo4j, DynamoDB, S3.
- Telephony and voice AI: SIP, WebRTC, Twilio, Telnyx, LiveKit, Deepgram, ElevenLabs, Vapi.
- Cloud and delivery: AWS, Docker, CI/CD, GitHub Actions, Ubuntu, Bash.
- Infrastructure and monitoring: Zabbix, Cisco Meraki, Kamailio, Drachtio, RTPengine, VICIdial, MAESTRO.

## Credentials

- Full Stack Developer 101 (certification)
- Python Django 101 (certification)
- Asterisk Certified Essentials
- OpenSIPS Training 3.2
- PBXact Certified Essentials
- Palm print recognition research, second place, 2024
- MSc in electrical and computer engineering