We are seeking a Senior Data Software Engineer to lead the migration of Ad Tech workflows from Spark on EKS and Apache Flink to Databricks on AWS.This strategic role will focus on creating scalable, high-performance data pipelines, driving optimization efforts, and partnering with cross-functional teams to integrate solutions into the Unity Catalog. ResponsibilitiesMigrate client workflows from Spark on EKS and Flink to Databricks on AWS while ensuring reliability and performanceAlign solutions with business needs and architectural standards by partnering with Data Architects and Solution LeadsReview code, enforce best practices, and maintain coding standards across projectsPartner with DevOps and QA teams to guarantee smooth deployment and validate data flowsEnable integration of data assets into Unity Catalog, including defining schema and aligning access controlsMonitor, troubleshoot, and resolve production issues to maintain pipeline reliability and performance Requirements5+ years of experience in Scala programming, ideally with a Java backgroundExperience managing data workflows with tools such as Airflow and modern orchestration systemsStrong expertise in Apache Spark (Scala and PySpark), with competency in Python as a plusKnowledge of data modeling, schema design, performance tuning, and SQLProven understanding of version control (Git) and Agile development practicesStrong collaboration skills to work across global, cross-functional teamsWillingness to adjust working hours partially to support USA West Coast time zone Nice to haveBackground in Apache Flink, especially in migration strategiesUnderstanding of Unity Catalog and catalog integration (e.g., AWS Glue, Hive)Skills in data quality principles and test automation for data pipelinesFamiliarity with large-scale workflow orchestration tools like Airflow We offerWith us you can:Work on a flexible schedule remotely or from any of our comfortable offices or coworking spaces in UkraineReceive the necessary equipment to perform your work tasksChange projects and technology stacks within EPAMGain experience in various business domains (Insurance, E-commerce, Healthcare, Finance, Travelling, Media, Artificial Intelligence, and more)Relocation opportunities may be available for eligible candidates, depending on the role and openings at other EPAM locationsParticipate in volunteer, charity programs and communities (both technical and interest-based)We focus on your professional growth:You can plan your individual career path together with your managerReceive regular feedback from colleaguesImprove your English for free with certified teachers (Speaking Clubs, client interview preparation courses, etc.)Get the opportunity to undergo free training and certification in AWS, GCP, or Azure CloudsUse the internal E-learn training program (18,200+ specialized training and mentoring programs)Access corporate accounts on LinkedIn Learning, Get Abstract and other partner resourcesStudy at EPAM Solution Architecture School with the instructors who are practicing architectsDevelop as a leader, join Delivery Management, Resource Management, Leadership Essentials school and moreParticipate in internal communities (500+ meetups, technical discussions, brainstorming sessions, online events and conferences annually)What we offer:Vacation and sick leave (including a sick leave without a medical certificate)A wide range of Voluntary Medical Insurance programs providing both medical treatment and various preventive options (including sports activities)Medical insurance for family members at corporate ratesCompany support during significant life events (childbirth or adoption, marriage, etc.)Support for psychological comfort: discounts on services from mental health specialists or coaches, thematic trainingE-kids program - a free programming language training program for EPAMers' children Kindly be advised that the set of benefits, including learning, certification, and other opportunities, may vary depending on the role you apply for. Our recruiter will be able to share more details about the specific opportunity during your general interview. EPAM strives to provide its global team of over 61,700 professionals in more than 55 countries with opportunities for professional growth from day one of collaboration. Our colleagues are the source of EPAM's success, so we value cooperation, strive to always understand our clients' business and aim for the highest quality standards. No matter where you are, you will join a dedicated, diverse community that will help you realize your potential to the fullest.