Customer Success Manager — Activation & Growth

LettrLabs, Inc.; Los Angeles (CA); On-site; USD 100,000 - 120,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

Equity in a fast-growing company

401(k) plan

Flexible PTO and paid holidays

Job summary

LettrLabs USA is seeking a Customer Success Manager to own the post-sale journey—from onboarding to activation and growth—for a book of business. You’ll remove blockers, accelerate time-to-value, and ensure customers are consistently mailing and seeing value from LettrLabs.

In this role, you will drive activation, usage, and expansion by guiding customers through automation, audience setup, and campaign workflows, while partnering with Sales to identify upsell opportunities and maintain strong

Qualifications

• 5-8 years in Customer Success, Onboarding, or Account Management.
• Strong track record in activation or usage metrics.
• Ability to unblock technical issues and drive time-to-value.
• Excellent communication across stakeholders.
• Familiarity with marketing automation SaaS platforms.

Responsibilities

• Drive activation and usage across a portfolio of customers.
• Own onboarding, setup milestones, and time-to-value.
• Identify at-risk accounts and re-engage them.
• Collaborate with Sales to spot upsell opportunities.
• Coordinate across product, design, ops, and data teams.

Skills

Customer Success

Onboarding

Account Management

Activation/Retention metrics

Data-driven decision making

Cross-functional collaboration

Tools

Zapier

Webhooks

HubSpot

Salesforce

Google Workspace

Docs

Sheets

Slides

Klaviyo

Shopify

Job description

LettrLabs USA is seeking a Customer Success Manager to own the post-sale journey—from onboarding to activation and growth—for a book of business. You’ll remove blockers, accelerate time-to-value, and ensure customers are consistently mailing and seeing value from LettrLabs.

In this role, you will drive activation, usage, and expansion by guiding customers through automation, audience setup, and campaign workflows, while partnering with Sales to identify upsell opportunities and maintain strong