Founding Customer Success

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Founding Customer Success Manager | YC-Backed | On-Site in San Francisco (Startup Experience Required)

Location: San Francisco, CA (On site only)
Type: Full-time

Compensation:
Base Salary: $120,000 to $150,000
Bonus: $20,000 to $40,000
Equity: Competitive and meaningful (discussed during process)

We are hiring on behalf of a Y Combinator backed startup based in San Francisco, building powerful tools at the intersection of data infrastructure and observability. Backed by leading investors and technical founders, the product is already in the hands of engineering teams solving complex problems across the modern data stack.

We are now hiring a Founding Customer Success Manager (CSM) to ensure those customers succeed.

This is a high impact, hands on role for someone who is ready to own relationships with technical buyers like Heads of Engineering, CTOs, and Data Platform Leads, drive retention and expansion, and lay the foundation for a scalable customer success function.

• Serve as the first full time customer success hire reporting directly to the leadership team

• Onboard new technical customers and ensure smooth handoff from sales with fast time to value

• Develop deep knowledge of each customer's stack and use case, acting as a trusted advisor

• Proactively manage adoption, engagement, and renewals

• Partner with sales on expansion opportunities and upsell paths

• Build and iterate on customer success playbooks, onboarding flows, and support resources

• Collect and share customer feedback with product and engineering

• Represent the company in onsite customer sessions, business reviews, and key account strategy meetings

We are looking for someone with strong customer facing experience in technical SaaS who thrives in early stage startups and wants to build, not just maintain.

Startup experience is required.

Must Have Experience:

• 3 to 6 years in Customer Success, Solutions Engineering, or Post Sales roles at early stage SaaS startups

• Experience working with technical users in areas like data infrastructure, developer tools, or APIs

• Ability to manage onboarding, training, QBRs, and renewals with minimal support

• Experience working with mid market and enterprise clients

• Strong written and verbal communication skills, including live technical conversations

• Comfortable working cross functionally with Sales, Product, and Engineering

• Based in or relocating to San Francisco. This is an onsite role

Bonus Points For:

• Experience at a Y Combinator backed startup

• Background in data engineering, observability, or developer tooling

• Familiarity with tools like Looker, dbt, Airflow, Segment, Snowflake, or Postgres

• Experience building customer education content or CS tooling stack

• You will be the first CSM, laying the foundation for how the company supports and grows its user base

• You will have direct access to the founding team and real input on product

• You will work onsite in San Francisco with a tight knit, high output technical team

• Product market fit is real and your work will drive the next phase of growth

• Competitive salary, equity upside, and the chance to shape an elite GTM function

Oscar Associates Limited (US) is acting as an Employment Agency in relation to this vacancy.

• Seniority level
  
  Entry level

• Employment type
  
  Full-time

• Job function
  
  Business Development, Information Technology, and Sales
• Industries Blockchain Services, Data Infrastructure and Analytics, and Technology, Information and Internet

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