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[case_010] · § Marketing · Intermediate

SaaS Marketing Automation — 5× campaign roi improvement.

End-to-end campaign automation with segmentation, A/B testing, drip sequences, and conversion analytics.

Node.jsSendGridSegmentPostgresNext.jsBigQuery

client · B2B SaaS

  • [1] · campaign ROI lift
    5×
  • [2] · email engagement
    4.2×
  • [3] · mql → sql rate
    32%
  • [4] · build to first campaign
    10w
SaaS Marketing Automation — fig. 01 illustration

fig. 01 · saas marketing automation accent = 5× campaign roi improvement

[01]
§ Challenge

Challenge

Marketing team splitting time between three disconnected tools. Lists exported and re-imported weekly, no reliable attribution, campaign ROI a finger in the wind.

[02]
§ Approach

Approach

Unified customer data in Segment + BigQuery. Node.js service for segmentation, drip sequence execution, and A/B testing. Next.js admin for the marketing team. SendGrid and Twilio as delivery layers.

[03]
§ Outcome

Outcome

Campaign ROI 5× baseline within two quarters. Email engagement 4.2× higher vs prior system. MQL → SQL conversion up to 32%.

"The marketing team stopped asking engineering for help. I can't overstate how much that changed."

— VP Marketing · B2B SaaS

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