# Kevin El Hajj

Kevin El Hajj is a remote worker on Himalayas, Senior Data Engineer at TotalCare, based in Lebanon.

Source: https://himalayas.app/@kevinelhajj

```text
Senior Data Engineer at TotalCare, built a centralized healthcare data warehouse and contributes to conversational analytics.
```

| Detail | Value |
| --- | --- |
| Availability | Looking for a job |
| Location | Lebanon |
| Authorized to work in | Lebanon |
| Salary expectations | 64k+ USD |
| Job categories | Data Engineer, Lead Data Engineer |
| Skills | Data Engineering, Data Warehouse, ETL ELT, Airflow, Python, SQL, Microsoft Fabric, Azure, Azure Data Factory, Databricks, Data Pipelines, Dimensional Modeling, Star Schemas, Dimensional Modeling (Star And Snowflake Schemas), Incremental Loading |

## About

```text
At TotalCare, I designed and developed a centralized healthcare data warehouse from scratch, bringing claims, payments, billing, and operational data into a unified analytical platform. I also architected Python, SQL, and Apache Airflow pipelines and designed dimensional models for healthcare and financial analytics.

At Constellation Consulting Group, I delivered data engineering and analytics solutions, including incremental processing improvements that reduced processing time by up to 80% for targeted workloads. At InMobiles Holding S.A.L, my data modeling and optimization work improved reporting performance by approximately 40%.

I'm currently contributing to an AI-powered analytics chatbot at TotalCare, intended to let authorized business users query enterprise data in natural language with attention to PHI protection and HIPAA requirements. I also review junior engineers’ code and contribute to architecture discussions and engineering practices.
```

## Experience

### Senior Data Engineer (current)

TotalCare. Nov 2025 - Present

```text
Designed and developed a centralized enterprise data warehouse from scratch, consolidating healthcare, billing, claims, payment, and operational data. Architected scalable ETL/ELT pipelines using Python, SQL, and Apache Airflow, and contributed to an AI-powered data analytics chatbot.
```

Skills: Python, SQL, Airflow, Data-Warehouse, ETL-ELT, Dimensional-Modeling, Data-Governance, AI, Natural-Language-Processing, HIPAA

### Senior Data Engineer

SABIS. Mar 2025 - Oct 2025

```text
Designed, developed, and maintained enterprise ETL/ELT pipelines using Apache Airflow, Microsoft Fabric, and Azure Data Factory. Developed optimized SQL-based analytical datasets and implemented automated data validation and monitoring.
```

Skills: Airflow, Microsoft-Fabric, Azure-Data-Factory, SQL, ETL-ELT, Data-Validation, Monitoring, Python

### Senior Data Engineer

Constellation Consulting Group. Feb 2023 - Feb 2025

```text
Delivered end-to-end data engineering, data warehousing, and analytics solutions for enterprise and government-related initiatives. Implemented incremental loading and optimization strategies, reducing processing time by up to 80% for high-volume workloads.
```

Skills: Microsoft-Fabric, SQL, Python, Power-BI, Data-Warehouse, Dimensional-Modeling, Data-Governance, Data-Quality, Incremental-Loading

### Data Engineer

InMobiles Holding S.A.L. Mar 2021 - Jan 2023

```text
Designed and implemented ETL pipelines using SSIS, ODI, and SQL. Developed dimensional data models and materialized views, improving reporting performance by approximately 40%.
```

Skills: SSIS, ODI, SQL, ETL, Dimensional-Modeling, Data-Quality, Query-Optimization

### Backend Developer

TenTime. Sep 2018 - Feb 2021

```text
Developed and maintained scalable RESTful APIs and backend services supporting over 50,000 concurrent users. Integrated Elasticsearch for improved search functionality and implemented logging and monitoring.
```

Skills: REST-APIs, Elasticsearch, Backend-Development, Logging, Monitoring, Agile, Scrum, Git, GitHub

## Education

### Microsoft

Microsoft Certified: Fabric Analytics Engineer Associate, Data Analytics

```text
Microsoft Certified: Fabric Analytics Engineer Associate certification obtained in May 2024.
```

### Microsoft

Microsoft Certified: Azure AI Fundamentals, Artificial Intelligence

```text
Microsoft Certified: Azure AI Fundamentals certification obtained in September 2023.
```

### American University of Technology

Bachelor of Science, Computer Science. 2014 - 2018

```text
Bachelor of Science in Computer Science from the American University of Technology, completed in 2018.
```

### Astronomer

Astronomer Certification - Apache Airflow 3 Fundamentals, Data Engineering

```text
Astronomer Certification for Apache Airflow 3 Fundamentals.
```

### Astronomer

Astronomer Certification - DAG Authoring for Apache Airflow 3, Data Engineering

```text
Astronomer Certification for DAG Authoring for Apache Airflow 3.
```

## Tech stack

- Microsoft Azure
- GitHub
- MySQL
- PostgreSQL
- Oracle
- Databricks
- Python
- Linux
- Elasticsearch
- Git
- Docker
- Airflow
- SQL
- Microsoft Fabric
- Model Context Protocol (MCP)
- Claude Code
- Power BI
- OpenAI Codex

To contact Kevin, message them from this profile with a Himalayas employer account: [Hire on Himalayas](https://himalayas.app/hire).

## People also viewed

- [Yehya Trad](https://himalayas.app/@yehyatrad): Data Analysis Intern, Chtoura Hospital
- [wissam imad](https://himalayas.app/@wissamimad): Senior Data Engineer Consultant, Paragon Shift
- [Toni Melki](https://himalayas.app/@tonimelki): Data & AI Team Lead, Netways
- [Mohammed Haydar](https://himalayas.app/@mohammedhaydar1): Data Engineer, Neo Technologies – NBK Capital
- [Karine Zebian](https://himalayas.app/@karinezebian): Data Analyst & Web Developer, Ionycs
- [Toni Melki](https://himalayas.app/@tonimelki1): Data & AI Team Lead, Netways
- [Abdulrahman Hammoud](https://himalayas.app/@abdulrahmanhammoud): Senior Data Analyst, OMT
- [Raghad Alloush](https://himalayas.app/@raghadalloush): Data Analytics Engineer Intern, CodeAlpha
- [Abdulrahman Hammoud](https://himalayas.app/@abdulrahmanhammoud1): Senior Data Analyst, OMT
- [Mohamad El Delbany](https://himalayas.app/@mohamadeldelbany): Senior Durable Solutions Assistant, UNHCR