Senior Data Science Engineer It’s your career – make it matter Apply now This is us At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and Ul design, managed services, product development, and software development. This is the job In Bulgaria we are actively seeking a Senior Data Science Engineer to strengthen our team. Note: The position is remote, the type of contract is fixed labor contract (for the duration of the particular project) afterwards it can be extended to a regular permanent employment . This is you 7+ years of experience in data science, machine learning or advanced analytics Strong experience with (un)supervised learning, statistical modeling and data analysis Experience working with large-scale transactional or behavioral datasets Strong programming skills in Python (including PySpark & ML libraries) and SQL Experience with model validation, monitoring, and explainability techniques (e.g. SHAP) Understanding of data engineering concepts and collaboration with engineering teams Familiarity with regulated environments (e.g. financial services, AML/KYC) is a strong advantage Experience with cloud-based data platforms (e.g. Databricks, Azure) Ability to translate complex analytics into business-relevant insights Strong communication and stakeholder engagement skills Fluent in English; other European languages are an advantage This is your role Developing and implementing machine learning and advanced analytics models using Python, PySpark, and SQL. Applying supervised and unsupervised learning and statistical modeling techniques to large-scale transactional and behavioral datasets. Performing data analysis, feature engineering, and model evaluation to identify patterns and generate actionable insights. Validating, monitoring, and improving model performance, including applying model explainability techniques such as SHAP. Working with cloud-based data platforms, including Databricks and Azure, to develop and operationalize analytical solutions. Collaborating with data engineers and software engineering teams to ensure scalable and reliable data and ML solutions. Translating complex analytical results into clear, business-relevant insights and recommendations. Supporting analytics initiatives in regulated environments, including financial services and AML/KYC use cases. Communicating findings and recommendations to business stakeholders and technical teams. What awaits you at Avenga? At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others. Locations Sofia Remote status Fully Remote Technology Data Science Seniority Senior-level Take the first step toward your career at Avenga APPLICATION Send your CV to tell us about your core skills and what you're looking for next. TALENT CALL Meet our Talent team to talk about your goals and experience while exploring our culture and the way we work. TECHNICAL INTERVIEW We'll explore your experience, strengths, and approach to work to see what we can build together. CUSTOMER INTERVIEW For some roles, you'll meet our customers to understand the outcomes your expertise can help create. WELCOME TO AVENGA An offer is just the beginning. We welcome you to put your expertise into action and shape what's next together.