Company Description

Baltic Classifieds Group (BCG) is the leading online classifieds platform in the Baltics, operating 14 trusted portals across Lithuania, Estonia, and Latvia. Our portfolio spans four key verticals: Auto, Real Estate, Jobs & Services, and Generalist listings, connecting millions of users through top brands like Autoplius.lt, Aruodas.lt, CVbankas.lt, Auto24.ee, City24.ee, Skelbiu.lt and more. With a strong local presence and experienced team, BCG empowers individuals and businesses to buy, sell, hire, and connect through simple and effective digital experiences. Sustainability is at our core — by giving second life to goods, we help reduce environmental impact and support a circular economy in the Baltics.

>95% of employees recommend Baltic Classified Group as the best place to work.

>95% of employees are proud of working here.

Responsibilities

• Design and develop data-driven models across a wide range of tasks, from traditional classification and segmentation to advanced neural networks and deep learning.
• Work with LLMs and agentic AI systems, integrating them into larger workflows and applications.
• Conduct exploratory data analysis, feature engineering, and model evaluation.
• Architect and deploy scalable ML pipelines using AWS services such as Lambda, ECS, Step Functions, SQS, S3, and related cloud tools.
• Prepare and manage datasets using Python and core data libraries.
• Implement model training, fine-tuning, and optimization routines.
• Build and serve models in production environments — from REST APIs to event-driven or batch pipelines.
• Collaborate with cross-functional teams to design practical AI solutions that deliver real business value.
• Continuously monitor, evaluate, and improve model performance and system scalability.

Candidate requirements

• Strong proficiency in Python and core data science libraries (NumPy, pandas, scikit-learn, TensorFlow, Keras, PyTorch, etc.).
• Solid understanding of machine learning fundamentals, including supervised/unsupervised learning, feature extraction, model validation, and optimization.
• Experience with neural networks, deep learning architectures, and modern LLMs (e.g., GPT, Gemma, Claude, Mistral).
• Hands-on experience with AWS infrastructure — especially Lambda, ECS, Step Functions, SQS, and S3 — or equivalent cloud platforms (Azure, GCP).
• Familiarity with data storage systems, including both relational (SQL) and NoSQL databases.
• Strong analytical thinking and problem-solving skills with attention to scalability and maintainability.
• Ability to build full ML workflows — from data ingestion to model deployment — autonomously.
• Good communication and documentation skills for presenting results and design choices clearly.

Preferred / Nice to have

• Experience with Docker, API-based model serving, or microservice architectures.
• Knowledge of vector databases, embedding models, and semantic search.
• Curiosity and creativity in experimenting with Agentic AI systems and automation workflows.
• Interest in continuous learning and staying current with the latest AI research and tools.

What We Offer

• Monthly salary starting 3000 eur netto (salary is negotiable (depending on experience)
• Health insurance, many sport initiatives
• Free parking and free electric car charging
• A chance to work with a team of professional, experienced, and supportive Data scientists who are always ready to help
• A fun and friendly work environment with a great team spirit and enjoyable social activities.
• A conveniently located office in the center of Vilnius with everything you need to stay productive and comfortable.
• Flexible working hours to help you maintain a healthy work-life balance.
• Office perks like fresh fruit, table tennis, foosball, and more to keep your energy up.
• Opportunities to attend tech conferences both in Lithuania and abroad to grow professionally.

Join us if you want to work on cutting-edge data science challenges, shape next-generation AI applications, and have the freedom to bring your own ideas from prototype to production.