Senior Data Integration Engineer (Airflow, Snowflake)

We are seeking a Senior Data Integration Engineer (Airflow, Snowflake) to design and implement a robust data factory that powers AI-driven investment intelligence. In this role, you will architect scalable data integration solutions, build advanced graph-based data layers and ensure secure, high-quality data management across the platform. Responsibilities • Identify and integrate structured, unstructured and semi-structured data sources • Implement role-based access control (RBAC) and develop logical data models, ensuring compliance and data lineage • Document business transformations and establish data quality approaches and rules • Create a comprehensive data catalog and register data assets with metadata, focusing on sensitivity and security • Translate and implement the architectural blueprint for the Data Factory, encompassing acquisition, preparation and consumption • Ensure robust data management and quality to support automated investment processes and AI-driven analytics • Implement a Neo4j-powered Knowledge Graph as the central data layer for investment intelligence, linking research, strategies and portfolio actions into a lineage graph for decision traceability • Develop and maintain a multi-dimensional asset ontology for flexible categorization and cross-dimensional analysis • Integrate temporal versioning to support time-aware queries and historical context preservation • Incorporate GraphRAG for transforming unstructured documents into queryable graph entities with source attribution • Implement property-based access control for secure, multi-tenant data visibility and query-level protection • Oversee real-time data ingestion pipelines and the implementation of scalable data warehousing solutions using Snowflake Requirements • 3+ years of experience in data integration and engineering • Strong proficiency in Snowflake and Airflow • Deep knowledge of GraphRAG, Graph Data Structures and Data Sharding concepts • Background in Data Architecture/Design with experience across various market data sources • Expertise in integrating with heavy AI-driven and assisted architecture • Capability to share knowledge with EPAM and client teams on Cypher, Graph and RAG traversals • English proficiency at B2 level or higher Nice to have • Familiarity with AWS for cloud-based solutions We offer/Benefits We gather like-minded people: • Engineering community of industry professionals • Friendly team and enjoyable working environment • Flexible schedule and opportunity to work remotely within Poland • Chance to work abroad for up to 60 days annually • Business-driven relocation opportunities We provide growth opportunities: • Outstanding career roadmap • Leadership development, career advising, soft skills, and well-being programs • Certification (GCP, Azure, AWS) • Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru • English classes We cover it all: • Stable income (Employment Contract or B2B) • Participation in the Employee Stock Purchase Plan • Benefits package (health insurance, multisport, shopping vouchers) • Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more • Referral bonuses • Corporate, social and well-being events Please, note: • The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. • We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.