Senior Big Data Engineer (AdTech Cybersecurity)

We are looking for a Senior Big Data Engineer to join a long-term project in the cybersecurity and AdTech domain focused on real-time risk assessment for digital advertising ecosystems. The role involves optimizing Snowflake, improving data pipelines, and contributing to scalable Java-based services.

• Optimize Snowflake usage and improve infrastructure cost efficiency
• Identify inefficiencies in data pipelines and SQL queries
• Implement performance and cost optimization improvements
• Enhance and maintain Java-based services
• Implement and support new platform features
• Improve existing engineering processes and platform components
• Develop scalable and reliable solutions for high-load environments
• Contribute to architecture improvements and implementation of new components
• Collaborate with distributed engineering teams to deliver stable platform functionality

• At least 5 years of commercial experience in Big Data engineering
• Strong hands-on experience with Snowflake
• Strong expertise in Python
• Strong expertise in Java
• Advanced SQL knowledge and experience optimizing complex queries
• Solid Computer Science fundamentals
• Upper-Intermediate or higher English level