Senior Customer Success Manager, International

Tremendous

. Lead onboarding and launch planning for high-value clients .

Posted 11/9/2026full-timeRemote • Spain, United Kingdom, United StatesSenior💰 €85,000 - €140,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in managing enterprise and mid-market client relationships, with a focus on onboarding, implementation, and ongoing growth. Proficient in coordinating cross-functional teams and improving Customer Success processes in a remote environment.

Highest-signal resume keywords

Customer Success ManagementAccount ManagementOnboarding And ImplementationB2B Customer ExperienceCommercial Judgment

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Customer SuccessAccount ManagementOnboardingImplementationB2B ManagementSaaS ExperienceFintech KnowledgeAPI FamiliarityPayments UnderstandingFluency In English

Soft Skills

Communication SkillsCommercial JudgmentRelationship ManagementIndependent WorkCollaboration

Industry Keywords

Enterprise RelationshipsMid-Market RelationshipsInternational Customer SuccessRemote EnvironmentEMEA MarketSpanish FluencyGerman FluencyFrench Fluency

About the role

Key responsibilities & impact

Lead onboarding and launch planning for high-value clients
Own a portfolio of enterprise and mid-market relationships
Run recurring meetings and monitor account health
Retain business and identify expansion opportunities
Coordinate complex needs across Sales, Solutions Engineering, Product, Support, and Operations
Run proactive calls during agreed working hours for clients in EMEA, India, and other assigned markets
Improve and document international Customer Success processes
Serve as primary Customer Success Manager for EMEA and Indian clients, with selected accounts in other Asian markets
Own client relationships from late-stage sales through implementation and ongoing growth
Collaborate with the Customer Success and International teams on meetings, questions, and escalations outside US working hours

Requirements

What you’ll need

4+ years in Customer Success, Account Management, or a related role
Experience managing enterprise or high-value B2B customers
Record of leading complex onboarding and implementation work
Strong commercial judgment and communication skills
Excellent English
Residence on the US East Coast, in the UK, or in Spain
If based in the US, sustainable commitment to 6am–2pm ET
If based in the UK or Spain, availability for normal or later local business hours with regular US team overlap
Ability to manage complex client relationships independently in a remote environment
German, French, or Spanish fluency is a plus
Experience with SaaS, fintech, APIs, or payments is helpful

Benefits

Comp & perks

Equity
Fully remote work
High-documentation, low-meeting culture
Competitive pay
Opportunity to work with a global team
Employee NPS in the high 80s