Senior Big Data Engineer (AdTech Cybersecurity)
Summary
The Senior Big Data Engineer will optimize Snowflake infrastructure and data pipelines while maintaining Java-based services for an AdTech cybersecurity platform. The role focuses on performance tuning, cost efficiency, and developing scalable solutions in high-load environments.
- 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
WILL BE A PLUS
- Experience with AWS cloud services
- Experience working with Amazon S3
- Experience in AdTech, cybersecurity, fraud detection, or risk assessment domains
PERSONAL PROFILE
- Proactive and ownership-driven mindset
- Strong analytical and troubleshooting skills
- Ability to work effectively in fast-paced environments
- Team-oriented communication style
- Focus on scalable and maintainable engineering solutions