Customer Success Engineer Manager

Company: CollectWise
Location: New York NY (in person)
Compensation: $150000 - $200000 base upsell commission and retention bonuses 0.03% - 0.1% equity
Employment Type: Full-time
Visa Sponsorship: Not available

CollectWise is a Y Combinator-backed startup automating debt collection a $35B US market with generative AI agents that outperform human collectors about 2x at a fraction of the cost. Its agents handle the full arc of debt recovery from outreach to resolution while keeping interactions respectful and data-driven. With a small team CollectWise has scaled to a $3M annualized revenue run rate and is pushing toward $10M.

CollectWise is hiring a founding Customer Success Engineer to own customer relationships after the implementation handoff keeping accounts healthy and expanding and preventing churn. The forward-deployed engineers handle the launch; you take over from there owning ongoing AI agent support proactive account monitoring and upsell execution across a growing book of accounts. Success means smooth handoffs strong satisfaction 100% retention and expansion revenue.

• Serve as primary contact for a growing book of post-implementation accounts.
• Monitor usage performance and health signals to catch churn risk early.
• Resolve technical and configuration questions independently escalating the rest with clear context.
• Drive upsell and expansion by finding new use cases.
• Tune AI agents through configuration and prompt-level changes to improve outcomes.
• Manage smooth handoffs from the forward-deployed engineering team.

• 3 years in technical customer success solutions engineering or a closely adjacent role
• Experience managing multiple accounts with strong written and verbal communication
• A commercial mindset with a record of upsell or expansion
• Comfort troubleshooting technical issues and adjusting configurations
• Based in New York City and able to work in person

• AI SaaS or automation startup experience with hands-on customer enablement
• Familiarity with AI agents prompt engineering or workflow automation
• Owning a book of accounts at an early-stage company without a playbook

REVENUE: 16.5% of first-year salary. Est. fee per hire $25K-$33K; 1 seat(s).

TARGET COMPANIES (suggested): TrueAccord Vapi Retell AI Gong Intercom Sierra.

BEST-FIT CANDIDATE: 3 yrs; technical CS/SE; multi-account mgmt; upsell track record; visa: NO sponsorship; location: NYC in person.