Castle · 14 hours ago
Customer Lead (Sales + CS)
Brooklyn, NY
Full-time
Hybrid
Mid Level
3+ years expCastle is a fast-growing startup in the cybersecurity space, focused on building the best product and customer experience. The Customer Lead role involves working closely with customers to understand their needs, support account management, and drive renewals and expansions without traditional sales tactics.
Cyber SecurityFinTechFraud DetectionInternetSecurity
Responsibilities
Understand how customers actually use the product, what their constraints are, and where they're headed
Maintain account context, prep calls, capture decisions, chase action items, and follow through without being told
Build relationships with procurement and legal review to move deals forward without being pushy
Qualification
Required
3-5 years in customer success, account management, sales ops, or commercial roles
Worked with technical products and engineering buyers
Track record of understanding customer needs and driving renewals/expansions
Multi-month sales cycles, technical integrations
Strong communication across email, Slack, calls, in-person
Preferred
Pre-sales or solutions engineering background
Security, fraud, or infrastructure experience
Company
Castle
Account security and fraud prevention for developers, teams, and enterprises.
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$11.56MKey Investors
Index VenturesFirst Round Capital
2021-01-01Series Unknown
2019-02-08Series A· $9.2M
2016-11-09Seed· $2M
Leadership Team
Johan Brissmyr
CEO & Co-founder
Recent News
FundersClub
2026-01-10
2025-09-30
Company data provided by crunchbase