4h ago

Software Engineer - Backend

San Francisco

$180k-$250k / year

full-time Hybrid

🛠 Tech Stack

+3

💼 About This Role

You'll join Koah Labs' tight-knit team building the ad network for AI-native products. You'll ship code that shapes the company and ecosystem, working with a stack including Ruby on Rails, Python, and AWS. This role offers ground-floor impact at a fast-growing startup backed by top investors.

🎯 What You'll Do

  • Build scalable data models for ad requests
  • Design abstractions for new engagement tracking formats
  • Develop a low-latency frequency capping system
  • Create schemas for high-volume ad bidding with exchanges

📋 Requirements

  • Experience debugging and optimizing performance
  • Detail-oriented with strong abstraction skills
  • Proven ability in experimentation and building reliable systems

✨ Nice to Have

  • Background at top tech companies like X, Apple, or Meta
  • Experience with Ruby on Rails or Python in production

🎁 Benefits & Perks

  • 💰 Competitive Salary: $180K–$250K
  • 📈 Equity: Offers equity
  • 🏢 Hybrid Work: In-office collaboration in San Francisco
  • 🚀 Ground Floor Opportunity: High impact at a growing startup
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