Senior/Lead Data Software Engineer (Python, Spark, Azure)

We are seeking a Senior/Lead Data Software Engineer to join our team working on a scalable, ML-ready platform that enhances portfolio model development and deployment with advanced data governance and AI capabilities. You will play a key role in migrating from an IaaS Big Data platform to Azure-native Databricks, optimizing data workflows and improving data quality. Join us to contribute to innovative solutions that boost client services and regulatory compliance. Responsibilities • Migrate and optimize over 500 data jobs using Azure Databricks optimization techniques • Manage and process 12 TB of data efficiently across platforms • Tune machine learning models for Azure environments using Java Spark and Delta tables • Update and maintain libraries to address security vulnerabilities • Develop and maintain ETL/ELT pipelines using PySpark and related technologies • Collaborate with cross-functional teams to integrate GenAI capabilities into data workflows • Monitor data quality and implement improvements to ensure accuracy and reliability • Automate deployment and operational tasks using Terraform and GitLab CI/CD • Support data governance initiatives to comply with regulatory standards • Troubleshoot and resolve performance issues in data processing systems • Document system processes and provide technical guidance to junior engineers • Implement best practices for code quality and data security • Participate in code reviews and knowledge sharing sessions • Optimize costs associated with data storage and processing Requirements • Proficiency in Python and Spark with at least 3 years in data engineering roles • Strong experience with Azure Databricks and PySpark • Proven expertise in designing and implementing ETL/ELT solutions • Experience migrating big data platforms to Azure-native services • Proficiency with Delta tables for model tuning • Knowledge of data governance and regulatory compliance frameworks • Familiarity with Docker, Kubernetes (AKS), and Terraform for infrastructure automation • Ability to manage large data volumes with high efficiency • Excellent problem-solving and analytical skills • Strong communication and collaboration abilities • English proficiency at B2 level or higher 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.