Profitable Publishing Without The Compromise.
Principal Software Engineer
Location
Brazil
Posted
3 days ago
Salary
0
Seniority
Lead
Job Description
Principal Software Engineer
Pubgenius Inc.
• End-to-end technical ownership of a high-revenue web platform and mobile app • Architecture design and long-term technical strategy • Server-side rendering pipeline using Node.js, Fastify 5, and React 19 • Data layer across MySQL and BigQuery • GCP infrastructure including Cloud Run, Cloud Build, and Global Load Balancer • Ad-tech integrations • Performance optimization at scale, where every millisecond counts • ML pipeline maintenance and optimization for ad-tech performance
Job Requirements
- Node.js with TypeScript in production
- React in a server-side rendering context
- MySQL including database design, query optimization, and ORM usage
- BigQuery for querying and managing large-scale datasets
- GCP with hands-on experience in Cloud Run, Cloud Build, Cloud SQL, and Load Balancing (GCP certification is a significant bonus)
- Ad-tech industry experience including ad serving, yield optimization, and programmatic advertising
- Affiliate marketing experience, particularly with Anura and Everflow
- Cloudflare including CDN configuration, caching strategies, and Workers
- Fastify, especially Fastify 5 patterns
- Flutter for mobile app contribution
- Golang or Rust for high-performance service work
- Machine learning applied to ad-tech optimization (not LLMs or agents)
- Experience in fintech,
Benefits
- Fully remote work
- Flexible hours
- Paid vacation and sick days
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