Hi I’m

Mazhar Hossain

Data Engineer & Backend Engineer

CS PhD researcher & Graduate Research Assistant at Marquette University

I build data pipelines, backend services, and applied AI systems, with a current focus on digital health research.

6+years in data & ML

From AI engineering at BJIT to data systems at Cefalo and research at Marquette.

View career history
500+data sources integrated

Web, API and FTP sources for European energy-market forecasting at Cefalo, 2021–2025.

See my work at Cefalo
1M+data points ingested daily

Across 300+ batch ETL pipelines I built and managed at Cefalo, 2021–2025.

Read the pipeline results
200+citations

Across my published research. Google Scholar has the current citation total.

View Google Scholar

Where research meets applied AI

At Marquette University, I explore AI, digital health, and brain–computer interfaces. I’m interested in what everyday signals can tell us, and how engineering can turn that understanding into useful tools.

  • Contactless sensing
  • Agentic AI
  • EEG & BCI
Inside my research

Experience that connects the dots

From computer vision and energy-market data to AI-driven health research.

Full experience
Marquette UniversityGraduate Research Assistant · Milwaukee, WI, USAJan 2026 – Present
Cefalo Bangladesh LimitedSenior Software Engineer · Dhaka, BangladeshSep 2021 – Dec 2025
BJIT LimitedAI Engineer · Dhaka, BangladeshOct 2019 – Aug 2021
Misfit Technologies Ltd.Software Engineer Intern · BangladeshAug 2019 – Sep 2019
UpworkPython Developer (Freelance) · RemoteJan 2018 – Sep 2019

Selected work, from idea to impact

Four examples across research software, mobile apps, applied machine learning, and data visualization.

All 22 projects

Let’s make something matter

Research, engineering, or an idea worth exploring.