Senior Data Platform Engineer - Real-Time GraphQL & Infra

ZoomInfo Technologies LLC; Polska; Hybrid; PLN 548,000 - 860,000; Full time

Job summary

ZoomInfo Technologies LLC is seeking a Senior Software Engineer for the Go To Market Store (GTM Store) and ZoomInfo Data Platform (ZDP) teams to build a next-generation unified data platform. You will architect scalable infrastructure, implement metadata-driven GraphQL APIs, and develop real-time data pipelines to support cross-platform data access at scale.

The role emphasizes multi-tenant, distributed systems, GDPR-compliant mutation workflows, and strong collaboration with product managers to

Qualifications

• 10+ 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, Go 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 multi-tenant distributed systems.
• Hands-on with Google Cloud Platform services; knowledge of CDC and streaming.
• Experience building GraphQL APIs with federated or metadata-driven schema gen.

Responsibilities

• Design scalable infra for GTM Store and ZDP with sub-second latency.
• Architect and implement metadata-driven GraphQL APIs for federation.
• Develop asynchronous indexing to scale capacity and reduce load.
• Design real-time analytics pipelines from BigTable to BigQuery.
• Build data mutation/deletion frameworks supporting GDPR.
• Implement CDC pipelines and derived data views.
• Create observability and monitoring for real-time diagnosis.
• Develop batch and streaming workflows for complex relationships at scale.
• Collaborate with leaders to define technical roadmap and mentor engineers.
• Partner with cross-functional teams to address platform requirements.

Skills

Distributed systems

Java 8+

GoLang

Kubernetes

GraphQL

BigQuery

BigTable

NoSQL databases

Cloud platforms

Data platforms

Education

Bachelor's degree in Computer Science or related field

Tools

BigTable

BigQuery

Solr+

Google Cloud Platform

AWS

Kubernetes

Job description

ZoomInfo Technologies LLC is seeking a Senior Software Engineer for the Go To Market Store (GTM Store) and ZoomInfo Data Platform (ZDP) teams to build a next-generation unified data platform. You will architect scalable infrastructure, implement metadata-driven GraphQL APIs, and develop real-time data pipelines to support cross-platform data access at scale.

The role emphasizes multi-tenant, distributed systems, GDPR-compliant mutation workflows, and strong collaboration with product managers to