Data Science Engineer
Vilnius, LT
Lietuvos Geležinkeliai
We are growing our Data team and are looking for an experienced Data Science Engineer. As a Data Science Engineer, you will be responsible for the end-to-end lifecycle of machine learning projects, from ideation and experimentation to model development and preparation for production. You will tackle complex business problems using a variety of ML techniques and contribute to our growing expertise in AI.
Responsibilities
- Lead the research, design, and development of machine learning models to solve business challenges, leveraging both traditional ML techniques and advanced AI approaches
- Develop and implement data collection strategies, feature engineering techniques, model development and evaluation metrics
- Apply containerization and version control for effective model development and reproducibility. Ensure models are well-documented and prepared for deployment in collaboration with ML Engineers
- Communicate complex technical findings and insights to both technical and non-technical stakeholders
- Stay up-to-date with the latest advancements in ML/AI
- Contribute to the development of our data science best practices and methodologies
- Proactively seek opportunities to showcase the team's work and build awareness of the value of data science and AI within the organization
Expected Skills & Experience
- Education in computer science, engineering, mathematics or related fields
- Experience as a Data Scientist or similar role, with a strong focus on applied machine learning independently driving data science projects from conception to near-production readiness
- Deep understanding of statistical modeling, machine learning algorithms (including time series, optimization, classification, object detection, anomaly detection, etc.), and evaluation metrics. Traditional ML is a core foundation, but experience in Computer Vision and/or advanced AI models (LLMs, agents) is a strong advantage
- Proficiency in Python and relevant data science libraries (e.g., scikit-learn, TensorFlow, PyTorch). Familiarity with Restful API frameworks (e.g., FastAPI, Flask)
- Strong analytical and problem-solving abilities with a focus on driving measurable business value. Solid communication and presentation skills
Bonus Points
- Experience with Computer Vision and/or advanced AI (LLMs, AI agents) problems and familiarity with tools like Ultralytics (YOLO), LangChain or similar
- Experience with MLOps concepts, workflows and tools (specifically, Kubeflow, Kubernetes)
- Contributions to data science or ML communities
We care for the well-being of our employees and offer
- The opportunity to contribute to business activities that are strategically important for Lithuania
- Free train trips in Lithuania
- Internal career and professional development opportunities
- Additional health insurance
- Accident insurance
- Additional paid days of leave
- Flexibility and hybrid work possibility
* Salary range is an estimate based on our AI, ML, Data Science Salary Index 💰
Tags: APIs Classification Computer Science Computer Vision Engineering FastAPI Feature engineering Flask Kubeflow Kubernetes LangChain LLMs Machine Learning Mathematics ML models MLOps Python PyTorch Research Scikit-learn Statistical modeling Statistics TensorFlow YOLO
Perks/benefits: Career development
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