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MS Martynas Šaka

Currently Employed

Data Engineer, turning data into value

I build reliable ETL pipelines, optimize SQL queries, and develop BI reports that turn data into value. ▌

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SQL / Python / ETL
Qlik / NPrinting
BI Reports

Experience

3+ yrs

Technologies

20+

About Me

Detail‑oriented Data Engineer turning complex data into actionable insights and automated processes.

SQL Server Python Qlik NPrinting ETL BI

About

I'm Martynas, a Data Engineer from Kaunas, Lithuania. I specialize in automating ETL pipelines, optimizing SQL, ensuring data quality, and executing data migrations. Hands-on with the Qlik suite (Sense, View, NPrinting), Python (including Pandas, pyodbc, Flask), and more.

Skills & Expertise

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Experience & Education

Sanitex • Data Engineer

2024/11 – Present

ETL · SQL · Qlik
  • Developing and maintaining automated data pipelines for business‑critical reporting.
  • Integrating data from multiple internal and external sources.
  • Ensuring data quality via validation, transformation and monitoring.
  • Translating business needs into scalable technical solutions.

Vičiūnai Group • Senior Data Migration Specialist

2024/06 – 2024/11

SAP · Navision
  • Planned and executed data migration of customer, vendor and tax data into SAP.
  • Cleaned, transformed and validated legacy data using structured templates and scripts.
  • Resolved cross‑system inconsistencies to ensure data integrity for go‑live.

Vičiūnai Group • Master Data Specialist

2023/09 – 2024/06

Data governance
  • Maintained master data across ERP/other systems focusing on governance and profiling.
  • Participated in ETL processes and initial cleansing from multiple sources.

Vivus Finance • Data Analyst

2022 – 2023

Analytics
  • Financial and collateral analysis using SQL, Python and Excel.
  • Built Excel models/templates to structure reports on financial status and risks.

Education

Kaunas University of Technology

2018 – 2022 • Finance

  • Related studies: Applied Mathematics

Further Learning (2021 – 2023)

  • DBMS, Data Modeling, Query Optimization, NoSQL, Big Data, Bash

Career Path (level over time)

Get In Touch

Happy to connect and discuss technology or ideas.

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