Principal Engineer
Core
Architecting and building resilient integration and data systems connecting internal platforms with major ad/social networks (Meta, Google, TikTok, etc.) while modernizing a legacy estate.
Role type
Principal Engineer (Individual Contributor)
Builds
Production-grade integration pipelines, data reconciliation systems, and reference implementations for third-party API connectivity.
Domain
Digital Advertising / Platform Integration / Data Engineering
Deliverable
production ML models | product features | infrastructure
Required skills
System architecture, legacy modernization, polyglot programming (PHP, Go, Python), API integration patterns, incident diagnosis, technical decision-making, cross-functional influence
Preferred skills
Ad/martech platform APIs, data warehouse/analytics pipelines, multi-region billing/reconciliation
Technologies
PHP, Go, Python, TypeScript, JavaScript, BigQuery
Responsibilities
Set technical direction for new products and major changes; build hard parts and reference implementations; define service/data contracts and resilience strategies; lead diagnosis of complex production incidents; mentor engineers and drive cross-functional decisions; evaluate third-party vendor solutions.
Seniority
Principal, hands-on IC
