Senior GTM Partner Systems EngineerNew$174K

The opportunity

Our GTM Systems team sits at the center of Klaviyo's go-to-market engine, powering the operational infrastructure that connects marketing, sales, partnerships, and customer success. We build and own the systems that enable our teams to move quickly, trust their data, and focus…

What you'll do

  • Own delivery of Salesforce solutions: Apex, Lightning Web Components, Flow, and integrations — from sprint planning through deployment, applying engineering best practices (DRY, SOLID, KISS) and holding a high bar for code quality through GitHub-based pull request reviews.

  • Develop and maintain integrations between Salesforce and the broader GTM: stack, including the external-facing partner portal; ensure reliable, secure data flows across partner management and payments while prioritizing strict access and permission governance.

  • Triage and resolve high-impact platform and data issues quickly, owning the: technical fix and communicating status clearly to the Product Owner and business partners.

  • Use AI tools as part of your daily engineering workflow to ship faster,: explore unfamiliar systems, and automate repetitive work — and help teammates build the same habits.

  • Partner with the Product Owner and Architect during story refinement to size: work accurately, surface technical constraints early, and ensure stories are fully ready before sprint planning.

  • Mentor junior developers through code reviews, engineering standards, and: pairing — accelerating the team's shift to professional-grade, git-based development practices.