Senior Data Scientist

We are looking for a Senior Data Scientist with expertise in classical Machine Learning and proven production experience in one or more of the following domains: NLP, Time Series, MLE/MLOps (Machine Learning Engineering/Operationalization), or Recommendation Systems. In this role, you'll have the opportunity to lead projects, mentor junior colleagues, and work on diverse, high-impact problems. You will collaborate closely with both internal teams and client executives, vertical owners, and technical teams. If you thrive on tackling new challenges, we encourage you to apply and join our team.

Responsibilities

• Lead the AI idea assessment, as well as design, development, and deployment of end-to-end ML solutions
• Collaborate with internal teams and clients to translate business problems into data and AI-intensive solutions
• Own model lifecycle: from research to experimentation to monitoring in production
• Mentor junior team members and guide best practices in coding and ML workflows
• Stay updated with the latest advancements in Machine Learning and AI

Requirements

• 5+ years of production experience in Data Science / Machine Learning
• Proficiency in Python ecosystem and data science libraries (Pandas, scikit-learn, NumPy)
• Strong SQL skills and experience working with large and complex datasets
• Expert knowledge of at least one ML domain: NLP, CV, Time Series, Recommenders
• Extensive experience with (cloud) Databricks (Notebooks, MLflow, data processing via Apache Spark, etc.)
• Confidence in using one of the Deep Learning frameworks (Pytorch/Tensorflow)
• Familiarity with Docker/Kubernetes and model serving techniques
• Experience with cloud platforms (e.g., AWS, GCP, Azure - prio)
• Strong communication and leadership skills
• B2+ English, both verbal and written
• Familiarity with MLOps tools and approaches

We offer

• Opportunity to Engineer your Future and to drive the world’s digital transformation with top industry clients
• Personal development program that will allow you to be valued for your strengths
• Wide range of professional trainings and workshops
• Being part of a collaborative, fast-growing, and innovative design team
• Established and accelerated growth toward different career paths, competencies, and roles
• Broad projects variety and possible mobility between projects over the time
• Collaboration in a multicultural environment and exchange of best practices with colleagues around the world
• Varied social benefits, Sports, Transportation and Health programs
• Work-life balance and flexible schedule, team buildings and sport opportunities
• Modern office/collaboration spaces (incl. new Infinity Tower business center, Sofia)
• Hybrid By Design - we provide you with the best productivity options from the 2 worlds. Meet, socialize and enjoy F2F time with your colleagues, while working from the modern EPAM's office for a few days per week and benefit from the EPAM's virtual working environment - making you able to be productive and work from remote for the rest of the week