Customer Success Manager, Mid-Market

Swarmia

Customer Success Manager onboarding and supporting mid-market clients at Swarmia, a B2B SaaS company improving developer productivity for startups and mid-market companies.

Posted 7/29/2026full-timeNew York City • New York • 🇺🇸 United StatesJuniorMid-Level💰 $125,000 - $155,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in managing customer success for B2B SaaS products, focusing on onboarding, adoption, and relationship building with engineering and product teams. Proven ability to drive customer outcomes and influence product decisions through effective communication and collaboration.

Highest-signal resume keywords

Customer Success ManagementOnboarding And AdoptionB2B SaaS ExperienceStakeholder Relationship BuildingCustomer Health Monitoring

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Customer OnboardingCustomer AdoptionAccount ManagementCustomer Feedback SynthesisRenewal Management

Soft Skills

Relationship BuildingProactive Problem SolvingCommunication

Industry Keywords

Mid-Market CustomersTechnically Complex ProductsCustomer LifecycleSales Collaboration

About the role

Key responsibilities & impact

Own and manage a portfolio of startup and mid market customers
Lead onboarding and adoption to ensure customers reach value quickly
Build strong relationships with engineering leaders and product teams
Proactively monitor customer health and address risks before they escalate
Run regular check ins focused on outcomes, not just product usage
Identify expansion opportunities and partner with Sales when accounts grow
Manage renewals for your book of business
Collect and synthesize customer feedback to influence product decisions
Help define scalable customer success processes as the company grows

Requirements

What you’ll need

At least two years of experience in customer success or a similar customer-facing role in B2B SaaS, supporting the onboarding and adoption of technically complex products.
Comfortable owning end to end onboarding that typically runs four to eight weeks, and continuing to drive value throughout the customer lifecycle.
Comfortable managing a book of dozens mid-market customers, exceeding $1.5MM in total ARR while keeping retention and adoption high.
Enjoy building relationships with multiple stakeholders, especially engineering and product leadership.
Experience working closely with Sales, Product, and Engineering to support customer outcomes.
Comfortable working with technically complex products and are naturally curious about how things work under the hood.

Benefits

Comp & perks

Annual salary plus meaningful equity
Comprehensive benefits, including 401(k) matching
Flexible model of work
Great work-life balance — we’re a startup, but we don’t work at an unsustainable pace (many of us have kids and other responsibilities beyond work)