Pubgenius Inc. logo
Pubgenius Inc.

Profitable Publishing Without The Compromise.

Principal Software Engineer

Full-stack EngineerSoftware EngineerFull TimeRemoteLeadTeam 11-50H1B No SponsorCompany SiteLinkedIn

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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