Senior Software Engineer - Email Channel

Customer.io

Remote
Base: $150,000 - $200,000 usd; bonus/equity: not s...
Remote
7+ years building scalable distributed systems
Proficiency in go or similar statically typed languages
Experience with react or similar frontend frameworks
The role involves owning the entire email channel from infrastructure delivering billions of messages to the product surfaces used by customers

Job Summary

  • The role involves owning the entire email channel from infrastructure delivering billions of messages to the product surfaces used by customers.
  • Candidates must possess deep knowledge of the email ecosystem including routing, authentication, deliverability, and ISP behavior at scale.
  • The company offers 100% coverage of medical, dental, vision, and mental health premiums along with 16 weeks of paid parental leave.

Matching Summary

The role involves owning the entire email channel from infrastructure delivering billions of messages to the product surfaces used by customers.

Salary

Base: $150,000 - $200,000 USD; Bonus/Equity: Not specified; Benefits: 100% insurance coverage, 16 weeks parental leave, unlimited PTO

Skills & Requirements

Must-have

  • 7+ years building scalable distributed systems
  • Proficiency in Go or similar statically typed languages
  • Experience with React or similar frontend frameworks
  • Knowledge of email authentication standards SPF DKIM DMARC
  • Familiarity with AWS or GCP cloud-native environments

Nice-to-have

  • Product taste and user-centric thinking
  • Experience with AI agents for code generation
  • Strong background in MySQL performance tradeoffs
  • Ability to mentor and share knowledge via writing
  • Bias for action over perfection

Key Requirements

  • 7+ years of experience in software engineering
  • Working knowledge of email deliverability concepts
  • Experience with high-throughput async API workloads

Work Rights

Not specified

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