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Senior Platform Engineer

· Job Posted February 16, 2026
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Job Description

Mixmax is the #1 product helping Revenue teams to become automatically proactive by eliminating busywork for a flawless customer experience. We're looking for a Senior Platform Engineer who wants high ownership: leading projects end-to-end, improving how services are built and operated, and creating paved paths that reduce toil across engineering. This role can be based in LATAM or Europe.

Job Responsibility

  • Ship meaningful improvements to our infrastructure, reliability and developer experience
  • Take ownership of key platform areas and processes
  • Partner with product engineers to understand pain points, unblock delivery, and raise standards and improve how we operate

Requirements

  • Strong experience with TypeScript/Node.js and AWS
  • Familiarity with infrastructure-as-code (Terraform)
  • Experience operating and supporting the systems you build
  • Clear written communication

Nice to have

  • Experience with MongoDB, OpenSearch/Elasticsearch, or Redis/Valkey
  • Familiarity with observability tooling (OpenTelemetry, Datadog, etc.)
  • Experience building internal platforms or developer tools
  • Familiarity with microservices / event-driven / serverless architectures
  • Experience with networking (DNS, load balancing, VPCs, etc.)

What we offer

  • Competitive salaries
  • Meaningful equity
  • Generous benefits

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