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

• We gather like-minded people:
• • Top tech minds driving innovation in AI, cloud and digital platform modernization
  • Supportive team and agile, startup-like culture
  • Hybrid by design mode 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:
• • Career development programs
  • Thought leadership, mentoring, soft skills and well-being programs
  • Certification (Anthropic, Gemini, GCP, Azure, AWS)
  • English classes
• We cover it all:
• • Stable pay
  • Participation in the Employee Stock Purchase Plan with a 15% discount
  • Benefits package (health insurance, multisport, shopping vouchers)
  • Referral bonuses up to $2,000
  • Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
  • Corporate, social and well-being events
• Please, note:
• • Benefits listed above are available to employees only
  • We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually
  • 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.

Tech stack

• PySpark
• Azure Databricks
• Python
• Apache Spark
• ETL/ELT
• Delta Lake
• data governance