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Software Engineer, Infrastructure (Optimization)

Kustomer

New York, NY · Remote

$130,000 – $215,000

Listed on Kustomer’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

This role focuses on reducing infrastructure and AI costs at Kustomer, a conversational CRM platform. You'll optimize AWS spending, right-size cloud resources, and reduce token consumption for their AI capabilities while partnering with engineering teams to balance savings with performance.

Our summary, not Kustomer’s wording. The full posting is on their site.

What they ask for

Required

  • Bachelor's degree in Computer Science, Computer Engineering, or relevant technical field, or equivalent practical experience
  • 4+ years of AWS infrastructure experience at scale with demonstrated cost optimization track record
  • Hands-on experience with AWS cost tools (Cost Explorer, Cost and Usage Reports, Trusted Advisor)
  • EC2 right-sizing and reservation strategy expertise
  • Proficiency with Terraform or other Infrastructure as Code tools
  • High-level programming language proficiency (Go, Python, or JavaScript)

Nice to have

  • Familiarity with LLM/AI infrastructure cost drivers (token usage, model pricing, caching strategies)

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