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Data Engineer & Data Scientist & Python Developer
Overview
🎂 Age: 31
Nationality: Slovak
Based in Slovakia
Has car
Has tools
WhatsApp OK
Willing to relocate
Short Summary
The Candidate is a Data Scientist with a strong engineering background skilled in building data pipelines, developing machine learning models, and deploying backend solutions. Passionate about leveraging data to drive business growth, with a deep interest in finance and startups. Experienced in programming languages like Python and SQL, as well as working with databases like BigQuery and AWS S3. Currently working as a Machine Learning Engineer, developing video processing pipelines and training segmentation models.
Work Experience
Machine Learning Engineer (10/2025 - present)
- The candidate developed a Django-based video processing pipeline for a belt granulometry system, enabling real-time analysis of conveyor belt material.
- Designed and trained a UNet segmentation model to detect and classify dust and ore particles from industrial video streams.
- Built end-to-end ML workflows: data annotation with Label Studio, model training with PyTorch, and production deployment on Kubernetes.
- Contributed to multiple other Django projects, delivering robust backend services and APIs across the engineering team.
- Tools: Python, Django, PyTorch, er, Kubernetes, Label Studio.
Senior Full-Stack Data Engineer (09/2019 - 10/2025)
- The candidate designed and deployed automated data pipelines, processing millions of records across various sources.
- Performed extensive data wrangling and exploratory analysis to surface business insights.
- Built machine learning models from baseline to advanced, including feature engineering and hyperparameter tuning.
- Evaluated model performance, conducted residual analysis, and improved predictive accuracy via feature importance insights.
- Delivered reports and dashboards used directly by clients for decision-making.
- Tools: Python (pandas), DuckDB, BigQuery, AWS, Google Cloud, Jupyter Notebooks, DVC, Papermill, er, Kepler.gl.
Consultant (03/2019 - 09/2019)
- The candidate built interactive behavior systems for humanoid robots used in marketing and data collection.
- Programmed autonomous charging and movement algorithms.
- Integrated speech recognition and synthesis, enabling natural language interactions.
- Created integrated data sync systems using Google Sheets, SMS, and email APIs.
Software Engineer (01/2018 - 12/2018)
- The candidate led backend engineering for the AnaCredit reporting system.
- Developed secure, reliable modules for user data ingestion and validation.
- Implemented system monitoring, logging, and retry strategies to ensure high availability.
- Built an internal admin UI and RESTful API for system users.
- Stack: Python (Django), Oracle, er.
Software Engineer (09/2017 - 01/2018)
- The candidate developed embedded firmware for GSM/GPS tracking systems.
- Wrote backend services in C++ for real-time communication protocols.
- Delivered production-grade code using STM32 development tools.
Data Engineer & Data Scientist +1
6a82121430adbc6c8e64b80f
| Freelancer | 297 € / Per day |
| Level | SENIOR |
Roles
Data Engineer Data Scientist Python Developer
Languages
English
Skillset
AI and Machine LearningAWSCloudJupyter NotebookPythonSQL
Localities
Remote
Hybrid Localities
| Remote |