Experience — Sajjad Hussain

Data Engineer

Jan 2025 — Jun 2025

Code Apex · Islamabad, Pakistan

Designed ETL pipelines extracting and transforming large datasets from multiple live sources into structured storage.
Built proxy rotation and anti-detection mechanisms so large-scale collection kept running without getting blocked.
Prepared and cleaned datasets feeding directly into the team's deep learning model training workflows.

Junior Software Engineering Intern

May 2024 — Aug 2024

Bahawalpur, Pakistan

Supported senior developers on debugging and performance issues across live application code.
Worked full SDLC — coding, testing, deployment — on small-scale production modules, not just tutorials.
Took code review feedback seriously enough that it changed how I structure functions today.

Freelance Python & AI Developer

Feb 2022 — Present

Fiverr · Remote — International Clients

Maintained Level 1 Seller status across dozens of delivered scraping, automation and data-processing projects.
Built anti-detection scraping systems clients could actually rely on, not one-off scripts that break in a week.
Worked directly with non-technical international clients — translating vague asks into scoped, deliverable systems.

AI Engineering Training

Jul 2025 — Jul 2026

Center for Advanced Studies · Bahawalpur

Hands-on training across ML/DL fundamentals through to model optimization and evaluation.
Applied CNNs to real computer vision projects rather than only benchmark datasets.