# Senior Principal Software Engineer

**Company:** [ZoomInfo](https://hotfix.jobs/companies/zoominfo)
**Location:** Remote
**Role:** Fullstack Engineering
**Salary:** $191k – $300k/yr
**Experience:** 12+ years
**Skills:** GraphQL, Bigtable, BigQuery, Solr, Java, Scala, Kotlin, Go, GCP, Kubernetes
**Posted:** 2026-01-23

> Architects scalable infrastructure for ZoomInfo's unified data platform using GraphQL federation across BigTable, BigQuery, and Solr. Drives real-time data processing, observability, and multi-tenant systems with 12+ years experience in distributed data platforms.

## Job Description

## 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.

## Qualifications
- 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.

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**Apply:** https://hotfix.jobs/jobs/d4a33ad4-8c30-49d4-9b29-529e276693e2
**Canonical:** https://hotfix.jobs/jobs/d4a33ad4-8c30-49d4-9b29-529e276693e2