# Eren Han

Eren Han is a remote worker on Himalayas, Data Engineering Manager at Teleperformance, based in Greece.

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

```text
Data Engineering Manager at Teleperformance Greece, evolving its Azure Databricks platform and building AI-powered data workflows.
```

| Detail | Value |
| --- | --- |
| Availability | Open to opportunities |
| Location | Greece |
| Authorized to work in | Greece |
| Salary expectations | 60k+ USD |
| Job categories | Data Engineering Manager, Business Intelligence Manager, Data Engineering Lead |
| Skills | Data Engineering, Data Platform Architecture, Data Platform Strategy, Lakehouse, Azure Databricks, Delta Lake, Azure Data Lake, Apache Spark, PySpark, BigQuery, Data Warehouse, Dimensional Modeling, ETL ELT Design, Python, SQL |
| LinkedIn | https://linkedin.com/in/eren-han |

## About

```text
At Teleperformance (TP), I lead the Data Engineering, BI and Analytics function, shaping data architecture and evolving the Azure Databricks and Data Lake platform. I build governed self-service capabilities and drive data quality and AI initiatives.

At Globex International, I built a placement intelligence pipeline that brings broker-system data, policy documents, email and placement workbooks into BigQuery, using Claude extraction and fuzzy matching. I also automated renewal support with Gmail API, Gemini and BigQuery.
```

## Experience

### Data Engineering Manager (current)

[Teleperformance](https://himalayas.app/companies/teleperformance-com). Jan 2026 - Present

```text
Lead the Data Engineering, BI and Analytics function, owning data architecture and platform strategy. Operate and evolve the Azure Databricks and Data Lake estate, including ETL/ELT pipelines, data warehouse development, and cloud migration workstreams.
```

Skills: Azure-Databricks, Data-Lake, ETL, ELT, Data-Warehouse, Cloud-Migration, Data-Governance, Data-Quality, AI, Machine-Learning, Team-Management

### Data & Reporting Coordinator (current)

Globex International. Jul 2025 - Present

```text
Own and maintain the company database on Google BigQuery, safeguarding data integrity and accessibility. Produce monthly, weekly and ad-hoc reporting, plus policy and portfolio analyses supporting placement, underwriting and account decisions.
```

Skills: BigQuery, Google-Mail-API, Gemini, Claude, LLM, Data-Extraction, Automation, Python, React, fastAPI, Google-Apps-Script, Google-Sites, Fuzzy-Matching, Data-Cleaning

### Business Intelligence Coordinator

[Teleperformance Greece](https://himalayas.app/companies/teleperformance-com). Apr 2021 - Dec 2025

```text
Architected and built backend data solutions in Python, delivering reliable pipeline flow across systems. Managed SQL data models, tables and views underpinning enterprise reporting, and partnered with business and data analysts to re-engineer data processes.
```

Skills: Python, SQL, ETL, Data-Modeling, Data-Warehouse, Power-BI, Qlik, Training

### Business Analyst

[Teleperformance Greece](https://himalayas.app/companies/teleperformance-com). Apr 2019 - Apr 2021

```text
Drove EMEA data centralisation, consolidating fragmented regional sources into a single reporting foundation. Built and maintained Python ETL scripts and delivered annual, monthly and weekly reporting in Power BI and Qlik.
```

Skills: Python, ETL, SQL, Power-BI, Qlik, Data-Analysis, Reporting

### Quality Assurance Analyst (Turkish–English)

[Teleperformance Greece](https://himalayas.app/companies/teleperformance-com). Oct 2016 - Apr 2019

```text
Owned GDPR compliance across advisor populations, embedding data-privacy and ethical handling practice into daily operations. Tracked and resolved fraudulent activity, produced daily KPI reporting, and ran root-cause and top-driver analyses.
```

Skills: GDPR, Compliance, Fraud-Detection, KPI-Reporting, Root-Cause-Analysis, Training

### Senior Technical Support Specialist

[Teleperformance Greece](https://himalayas.app/companies/teleperformance-com). May 2015 - Oct 2016

```text
Diagnosed and resolved complex macOS and iOS issues spanning network configuration, setup, data restoration and migration. Escalated systematically and prioritised first-contact resolution.
```

Skills: MacOS, iOS, Technical-Support, Troubleshooting, Network-Configuration

### Reporting Specialist

Nover. Feb 2014 - Mar 2015

```text
Transformed raw web analytics data from Google Analytics, Search Console and Yandex Webmaster into structured, decision-ready datasets and reports. Monitored algorithm changes and domain performance, and produced cash-flow reporting.
```

Skills: Google-Analytics, Google-Search-Console, Yandex-Webmaster, Web-Analytics, Reporting, Cash-Flow

### Senior Reporting Analyst

Europ Assistance. Sep 2011 - Jan 2014

```text
Managed financial and customer-support data for an insurance and assistance business, accountable for accuracy and reliability of reported figures. Ran monthly, weekly and daily P&L analysis and prepared cash-flow reporting for C-level management.
```

Skills: Financial-Reporting, P&L-Analysis, Cash-Flow, Customer-Support, Insurance, Invoicing

### Technical Support Specialist

[Citi](https://himalayas.app/companies/citibank-switzerland-ag). Sep 2010 - Sep 2011

```text
Supported retail banking customers across phone and email within a regulated financial-services environment. Monitored for malicious and fraudulent activity, contributing to account security controls, and provided sales support on Citibank financial products.
```

Skills: Technical-Support, Banking, Fraud-Monitoring, Sales-Support, Customer-Service

## Education

### Istanbul University

Bachelor of Science, Econometrics and Quantitative Economics. 2006 - 2013

```text
BSc in Econometrics and Quantitative Economics from Istanbul University, completed in 2013.
```

### LinkedIn Learning

Certification, Data Engineering

```text
Completed Apache Spark Essential Training and Advanced Python courses.
```

## Tech stack

- Apache Spark
- Looker
- PySpark
- Google Analytics
- Google Search Console
- React
- Python
- FastAPI
- Gemini
- Google Sheets
- Microsoft Excel
- Google Sites
- Google BigQuery
- SQL
- Delta Lake
- Claude Code
- Power BI
- Google Apps Script
- Claude

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

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