
Andrei Goponenko
Senior Machine Learning Engineer
Salary / Daily rate
Madrid, Spain
Freelance, open to permanent contract
Can come onsite
Skills
Languages
About me
Intro
I am a Machine Learning Engineer with 8+ years of experience in deep learning and classical machine learning. Have contributed to and led software and consulting projects in deep tech, insurance, HR, and the chemical industry. Skilled in applying DS and ML across the entire data life cycle and have expertise in conducting research experiments and implementing research findings in production-ready solutions. I work effectively both independently and in teams, with a strong sense of ownership and commitment. Will be glad to discuss your opportunity, DM me or drop a message at [email protected].
Work experience
Senior Machine Learning Engineer
Quantistry
Nov 2025 - Jun 2026
8 months
Germany
LLM Agents
QuantumSoft LLC
Dec 2018 - Dec 2025
7 years 1 month
Remote, OR 97458, USA
Machine Learning Engineer @ Clearlaw
Nov 2022 - Dec 2025
3 years 2 months
Remote, OR 97458, USA
Clearlaw project / AI - based contract-review and management / https://www.clearlaw.ai Achieved: - Developed an algorithmic part of system to help legal teams exchange and analyze documents at fast pace: it included classification models for short and long texts, sequential text classification, NER. - Took part in deployment trained models to microservice infrastructure. - Training language models (GloVe, fastText, ELMo) on domain-specific texts, fine-tuning pretrained models in downstream tasks. - Implemented and deployed brat-based annotation pipeline for text classification task with auto-tagging. - Ad-hoc analysis and EDA for business hypotheses. Technology Stack: Python (Pandas, Numpy, Scipy, Scikit-learn, XGBoost, Lightgbm, Catboost, PyTorch, Keras, Spacy, NLTK, Matplotlib, Seaborn, Plotly, Jupyter, PySpark, Transformers, Hugginface, StanfordNLP, AllenNLP, Azure, OpenAI, Anthropic), Scala, Linux, Git, AWS, Docker, SQLLite, Brat.
Machine Learning Engineer @ Korn Ferry
Nov 2021 - Oct 2022
1 year
Tbilisi, Georgia
Korn Ferry project / Recommendation platform for HR specialists / https://kornferry.com Achieved: - Developed ML and service parts of graph for career transitions which are used in recommendations. - Created service to extract candidate skills from the raw text. Technology Stack: Python (Pandas, Numpy, Scikit-learn, spaCy, Jupyter), Azure (Databricks, Pipelines, Devops), PySpark, Git, YAML.
Data Scientist @ Minnow
Apr 2021 - Dec 2021
9 months
St Petersburg, Russia
Minnow project / Aggregator for series and movies from the most popular streaming platforms / https://minnowtv.com Achieved: - Developed matching algorithm for links from streaming platforms and corresponding movies / shows on Minnow's site: brought matching rate 1.7x higher for movies and 2.1x higher for shows. Matching algorithm included more thorough data preprocessing, search by several similarity metrics, fuzzy matching by several fields, validation top-k candidates. - Trained language models (FastText) on domain-specific texts. - Worked on data analysis to enhance overall data quality. Technology Stack: Python (Pandas, Numpy, Scikit-learn, FastText, Plotly, Jupyter), PostgreSQL.
Data Scientist @ Anagram
Aug 2020 - May 2021
10 months
St Petersburg, Russia
Anagram project / Insurance billing automation SaaS for doctors and patients / https://www.anagram.care Achieved: - Built predictive models for set of benefits based on prior data about patients: list of benefits and coverage, copay, quantity for each benefit. - Cluster analysis of insurance plans for better understanding of patient segments being verified in Anagram app. - Built churn prediction model and tested the bunch of hypotheses for key components of customer health scoring system. Technology Stack: Python (Pandas, Numpy, Scipy, Scikit-learn, imbalanced-learn, XGBoost, Lightgbm, Catboost, UMAP, SHAP, LIME, Matplotlib, Seaborn, Plotly, Jupyter), Linux, Git.
Machine Learning Engineer @ Clearlaw
Dec 2018 - Jul 2020
1 year 8 months
St Petersburg, Russia
Clearlaw project / AI - based contract-review and management / https://www.clearlaw.ai Achieved: - Developed an algorithmic part of system to help legal teams exchange and analyze documents at fast pace: it included classification models for short and long texts, sequential text classification, NER. - Took part in deployment trained models to microservice infrastructure. - Training language models (GloVe, fastText, ELMo) on domain-specific texts, fine-tuning pretrained models in downstream tasks. - Implemented and deployed brat-based annotation pipeline for text classification task with auto-tagging. - Ad-hoc analysis and EDA for business hypotheses. Technology Stack: Python (Pandas, Numpy, Scipy, Scikit-learn, XGBoost, Lightgbm, Catboost, PyTorch, Keras, Spacy, NLTK, Matplotlib, Seaborn, Plotly, Jupyter), Linux, Git, AWS, Docker, SQLLite, Brat.
Data Scientist
SIBUR
Feb 2017 - Dec 2018
1 year 11 months
Tomsk, Tomsk Oblast, Russia
Worked on projects for several plants in Tomsk, Tobolsk, Kstovo, Voronezh: optimization of technological processes, predictive maintenance. Achieved: - Created ML models in frames of operation efficiency projects on several SIBUR plants. ML models were to forecast quality of products, energy consumption and material fluxes. - Deployment of trained ML models to production for use by plant personnel: gathering requirements, optimization of models output, visualization of dashboards. - Support of the existing solutions: retraining models due to new process conditions, improvement of dashboards, complex rebuilding of solution framework. - IT infrastrucure maintenance and development for data science projects. - Support of users in questions of data mining software. Technology Stack: Python (Pandas, Numpy, Scipy, Scikit-learn, XGBoost, Lightgbm, Matplotlib, Seaborn, Plotly, Jupyter), Proficy CSense, Proficy Historian, Advanced Excel (VBA scripts, Pivot, Analysis ToolPak), R (Regression, Visualization).
Education
Hochschule Anhalt
Master's degree, Electrical and Computer Engineering
2015 - 2016
1 year 1 month
- Embedded systems; - Communications; - Channel coding; - Statistics; - System programming; - Real-time systems.
Tomsk Polytechnic University
Master's degree, Instrument Engineering
2014 - 2016
2 years 1 month
Grade: GPA 4.95
Activities and societies: Elite Engineering Education
- Increased state scholarship for academic achievement in science - summer and winter semesters of 2014/15, 2015/16; - V. Potanin Charity Foundation Sholarship 2014/2015, 2015/16; - Scholarship of the President of Russian Federation 2015/2016; - Yu. D. Maslyukov Scholarship 2015/2016; - V. Potanin Charity Foundation Summer School (Moscow, Russia), 2015: received a financial support for social project "Scientific academia for pupils Scientrium"
Tomsk Polytechnic University
Bachelor of Technology (BTech), Metrology, standardization and sertification
2010 - 2014
4 years 1 month
Grade: GPA 4.7
Activities and societies: Participation in international conferences both throughout Russia and abroad: MTT – 2013, 2014, YMIT – 2012, 2013, ISSC – 2013, SIBCON – 2013, IWSSIP - 2014, APEIE – 2014
Achievements: - Increased state scholarship for academic achievement in science - summer and winter semesters of 2013/14.
Licenses & certifications
English for Analysts
Issued: May 2025
Machine Learning DevOps Engineer
Issued: Apr 2025
Advanced Process Control System PCTP (SMOC). Engineering course
Issued: Nov 2017
Математика и Python для анализа данных (Math and Python for data analysis)
Issued: Sep 2017
Neural Networks for Machine Learning
Issued: Aug 2017
Machine Learning
Issued: Mar 2017
Теория игр (Game Theory)
Issued: Dec 2016
Certificate of participation in Conference «Management of the Future»
Issued: Apr 2016
Certificate of participation in International Conference on Systems, Signals and Image Processing - IWSSIP 2014
Issued: May 2014
Certificate of participation in International Siberian Conference on Control and Communications - SIBCON 2013
Issued: Feb 2014