Title: Data Scientist Senior (Part-time)
Company: Strikt
Remote work: yes
Employment: Part-time
Level: Senior
Skills: SQL, Python, NLP, Big Data, Databases, Machine Learning, Data Analysis, Jupyter Notebook
About the company and team
We have entered the top IT employers in Russia 2025 according to Habr Career. At Strikt, we transform our clients' chaotic business processes into clear, self-learning algorithms using AI. We are looking for an experienced Data Scientist to join our team and work on interesting projects in AdTech and Machine Learning!
Candidate expectations:
- Higher technical or mathematical education;
- 3-4 years of commercial experience in Data Science / ML.
- Strong foundation in statistics, classical ML, and data analysis.
- Experience with Time Series: forecasting, moving window, trends, seasonality, model quality evaluation.
- Experience participating in projects with LLM / NLP / GenAI: prompts, embeddings, RAG, or integrating LLMs into product scenarios.
- Proficient Python: pandas, numpy, scikit-learn, matplotlib, Jupyter Notebook.
- Knowledge of SQL and understanding of working with relational databases.
- Ability to independently understand a task, choose an approach, and explain the solution to the team.
- Willingness to help junior/middle DS specialists.
Will be a plus:
- English language at the level of reading technical documentation
- PyTorch / TensorFlow / Hugging Face.
- CatBoost / LightGBM / XGBoost.
- LangChain / LlamaIndex / vector databases.
- Understanding of MLOps, model quality monitoring, and CI/CD.
- English for reading documentation.
What you will be doing:
- Working with Time Series, classical ML, and LLM/NLP tasks.
- Developing and improving existing ML models in projects.
- Helping to choose approaches, metrics, and quality criteria.
- Analyzing data, building hypotheses, and conducting experiments.
- Working with SQL and Python for data extraction, cleaning, and analysis.
- Reviewing solutions from less experienced DS specialists and helping the team grow.
Working conditions
- Fully remote work.
- Part-time employment.
- оформление по договору с самозанятым или ИП с первого дня. (Registration under an agreement with a self-employed person or individual entrepreneur from the first day.)
- Projects at the intersection of Data Science, Time Series, LLM/NLP, and applied AI.
- Strong team, opportunity to influence technical decisions.