Senior Principal Software Engineer

ZoomInfo is where careers accelerate, and they are seeking a Senior Principal Software Engineer to develop their next-generation unified data platform. This role involves architecting and implementing infrastructure for a federated query system and addressing complex challenges in data processing and system reliability.

Responsibilities:

• Design and build scalable infrastructure for GTM Store and ZDP with sub-second query latency
• Architect and implement metadata-driven GraphQL APIs for dynamic schema generation and query federation
• Develop asynchronous secondary indexing systems for scaling capacity and reducing primary data store load
• Design real-time analytics streaming data pipelines from BigTable to BigQuery
• Develop data mutation and deletion frameworks supporting GDPR compliance and schema evolution
• Implement CDC pipelines and calculated field processing for derived data views
• Build observability and monitoring solutions for real-time issue diagnosis across distributed data systems
• Create batch and streaming data processing workflows for complex relationships at scale
• Collaborate with engineering leaders and product managers to define the technical roadmap
• Mentor engineers and establish best practices for cloud-native data infrastructure development
• Partner with cross-functional teams to address data platform requirements and challenges
• Drive solutions for data freshness, query performance, and system reliability challenges

Requirements:

• Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience)
• 12+ years of software engineering experience building large-scale data platforms
• Expertise with distributed NoSQL databases and data warehousing systems
• Strong experience with Java 8+, Scala, Kotlin, GoLang for data systems development
• Proven experience with GCP or AWS and cloud-native architectures
• Experience with streaming/real-time data processing technologies
• Strong system design skills for architecting multi-tenant, distributed systems
• Hands-on experience with Google Cloud Platform services
• Knowledge of CDC patterns, event sourcing, and streaming architectures
• Experience solving data freshness and consistency challenges in distributed systems
• Background in building observability and monitoring solutions for data platforms
• Familiarity with metadata management and schema evolution
• Experience with Kubernetes for deploying data services
• SQL query optimization and performance tuning expertise
• Experience building GraphQL APIs with federated or metadata-driven schema generation
• Strong problem-solving skills and the ability to debug complex distributed systems issues
• Excellent communication skills for explaining technical decisions to diverse audiences
• Self-directed with the ability to drive initiatives independently while collaborating with teams
• Passion for building reliable, observable, and maintainable systems
• Experience promoting diverse, inclusive work environments