Initialising

Data Engineer  ·  Azure  ·  Python

Stavros Kyzalas

Building scalable data pipelines
and cloud-native solutions

View My Work ↓
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About

Data Engineer with 5+ years of experience building and optimising data pipelines on Azure using Databricks and Python. Microsoft Fabric (DP-600) certified.

Experienced in processing large-scale datasets — millions of records daily — improving pipeline performance, and delivering reliable, production-ready data models and Dash applications for Fortune 500 clients in enterprise environments..

M.Sc. in Physics, University of Copenhagen. Based in Rhodes, Greece. Available for remote engagements.

Azure Databricks PySpark Python SQL Microsoft Fabric Azure Data Factory Synapse Analytics Dash / Plotly Azure DevOps Medallion Architecture ETL Design Spark Optimisation Git · Linux

Experience

2022 — Present Current

Data Engineer @ Adastra

  • Delivered data solutions for Fortune 500 clients in semiconductor and automotive sectors
  • PySpark pipelines on Databricks with medallion architecture — millions of records daily
  • Improved pipeline performance up to ~100% by refactoring inefficient transformations and optimising Spark workloads
  • Built and maintained ETL workflows via Azure Data Factory and Synapse Analytics
  • Contributed to Azure cost optimisation through cluster configuration and job execution strategy reviews
  • Designed and shipped Dash applications end-to-end, from development to deployment
  • Agile, fully remote, cross-functional teams
2020 — Present

Software Engineer / Web Developer @ Freelance

  • Web applications in JavaScript, React, Node.js, PHP, and Drupal
  • Full project lifecycle — from requirements to deployment
  • Personal and client-facing digital products
2021 — 2022

Web Developer @ MOBLAC P.C.

  • Drupal, Twig, SCSS, JavaScript — SEO optimisation — client delivery
  • Worked directly with clients to deliver tailored web solutions
2016 — 2018

M.Sc. in Physics @ University of Copenhagen

  • Thesis: ¹⁸F-FDG PET/CT radiomic features in NSCLC — Rigshospitalet
  • Statistical modelling, image analysis, two papers published at ESTRO 38
2016 — 2019

Residential Caretaker @ Happy Helper

  • Maintained high standards of organisation and client service in a residential care environment
2014 — 2016

Engineer Officer @ Hellenic Armed Forces

  • Commissioned as Second Lieutenant after graduating from the Military School of Engineering
  • Platoon leader — led teams and managed operations in high-responsibility environments

Projects

01 ↗

e-klironomos.gr

Subscription-based web app for calculating intestate succession under Greek law. Built and launched as an independent startup.

Web AppStartupLegal Tech
02 ↗

Qelvia

Local-first personal finance app for macOS. Accounts, budgets, investments and EU bank sync — everything stored locally. No cloud, no account, free forever.

macOS AppTauriSQLite
03 ↗

PET/CT Radiomic Analysis

Research on ¹⁸F-FDG PET/CT radiomic feature robustness in NSCLC patients. Two e-posters at ESTRO 38, Milan 2019.

Medical PhysicsResearchPublished

Get in Touch

✉kyzalas@pm.me inLinkedIn ◆GitHub