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A-J Mäki, PhD

Data Engineer & Passionate Data Guy

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🗂️ Projects

Here I list both my work-related and personal hobby projects.
For my full work history, see 👉🛠️ My Work Portfolio 👨🏻‍💻👈.
For academic projects, see 👉👨‍🔬 My Academic Portfolio 👈.


👨‍💻 Work Projects

Data Engineering Services | Food Industry (NDA)

📅 Apr 2026 - Present
🚀 Role: Lead Senior Data Engineer
🛠️ Tech Stack: Microsoft Fabric, Azure DevOps

GenAI Platform | Siili (In-house)

📅 Feb 2026 - March 2026
🚀 Role: Data & AI Engineer
🛠️ Tech Stack: Azure, Azure AI Search, Azure Data Factory, SharePoint

GenAI Operational Accelerator | Solita (In-house)

📅 Sep 2025 - Jan 2026
🚀 Role: Tech Lead / GenAI Solutions Architect
🛠️ Tech Stack: Azure, Azure AI Search, Azure DevOps

Data Engineering Services | Energy Sector (NDA)

📅 March 2024 - June 2025
🚀 Role: Data Engineer
🛠️ Tech Stack: Databricks, PostgreSQL, Azure Data Factory

Data Engineering & Analytics | Football Association of Finland ⚽

📅 Aug 2023 - Dec 2024
🚀 Role: Data Engineer & Data Analyst
🛠️ Tech Stack: Azure, Azure Data Factory, MySQL

See full project details in My Work Portfolio.


🔬 Academic Projects

CoEBoC – Centre of Excellence in Body-on-Chip Research (2018–2025)

Academy of Finland funded project. My role: Postdoctoral Researcher and Vice-PI.
→ More details here.

🔍 📈 DatAnalyzer (repo)

Data analysis tool for field potential signals, built with MATLAB.
→ More details here.

🔬 O2-measurement-tools (repo)

MATLAB tools for oxygen measurement experiments in Professor Pasi Kallio’s Micro- and Nanosystems Research Group at TUNI. Includes measurement, calibration, data cropping, plotting, and analysis scripts.

Human Spare Parts (2011–2019)

Business Finland funded project. My role: Doctoral Researcher.
→ More details here.


💻 Own / Hobby Projects

🔍 📝 DocLaTex (repo)

Write LaTeX documents together with co-authors who use MS Word — combines PowerShell, Pandoc, LaTeX, Markdown.
→ More details here.

🏠 Check smart relay status (repo)

Automated daily status checker for a Shelly smart relay — sends a push notification via ntfy.sh if the relay wasn’t active the previous day. Runs on a schedule with GitHub Actions.

⚽ Kokoonpano-avustaja (repo | app)

Browser-based football team lineup planner — organize player positions and formations based on who’s available. No installation needed, runs directly in the browser.

🍽️ Ruokasuunnittelija (repo | app)

Weekly meal planner for families — generates varied meal schedules, shopping lists, and recipe instructions. Works offline; optionally uses AI for meal suggestions.

🌡️ Plot Fluke Ti400 Thermal Images (repo)

MATLAB tool for plotting and analyzing thermal images from Fluke Ti400.

🐍 How to Set Up Python Environments (repo)

My proposal for setting up Python environments for data projects using Miniconda, pip, and VS Code.


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