Customer Success Engineer – LatAm

Mercor

. Provide end-to-end support for users applying to listings, completing AI-led interviews, accepting offers, and receiving payment .

Posted 9/17/2026full-timeRemote • ArgentinaJuniorMid-Level💰 $35,000 - $50,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in debugging AI and SaaS applications, with a strong focus on user support and issue resolution. Proficient in modern web application development and familiar with AI systems and tools.

Highest-signal resume keywords

Debugging AI And SaaS ApplicationsModern Web Application DevelopmentUser Support And Issue ResolutionAI Systems FamiliarityNative English Proficiency

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ReactNodeFlaskNext.jsAI SystemsDebuggingDatabase QueriesTelemetryNetwork InspectionConfiguration Management

Soft Skills

CommunicationProfessionalismEmpathy

Tools & Technologies

OpenAIAnthropicLangChainAutoGPT

Industry Keywords

Computer ScienceSoftware EngineeringHigh-Growth Technology StartupUser ExperienceModel Outputs

Tech Stack

Tools & technologies

FlaskJavaScriptNext.jsNode.jsReact

About the role

Key responsibilities & impact

Provide end-to-end support for users applying to listings, completing AI-led interviews, accepting offers, and receiving payment
Investigate talent-reported issues by reproducing bugs, identifying root causes, and distinguishing UX friction, model edge cases, and system defects
Debug across the AI and SaaS stack using telemetry, logs, network inspection, and database queries
Triage issues, escalating engineering problems and resolving others through configuration, prompt refinement, or user guidance
Surface systemic patterns and product risks to engineering and product leadership
Create documentation and runbooks to reduce repeat issues and improve resolution speed
Communicate with precision, professionalism, and empathy
Work directly with the engineering team

Requirements

What you’ll need

Currently residing in Latin America
Native English level proficiency
Degree in Computer Science, Software Engineering, or a related technical field from a top-tier institution, or prior experience at a high-growth technology startup
Experience building modern web applications (React, Node, Flask, Next.js, etc.) OR 2–5 years of experience supporting customers on such web applications
Comfortable with AI systems, including LLMs, agents, or generative models
Experience exploring AI tool behavior, including fine-tuning, prompt chains, chain-of-thought debugging, or building agents
Ability to understand model outputs, failure modes, hallucinations, and feedback loops
Familiarity with modern AI APIs such as OpenAI and Anthropic, or agent frameworks such as LangChain and AutoGPT, is a plus
Ability to work 6 days per week with substantial overlap with Pacific Time (PT/PST) working hours

Benefits

Comp & perks

Remote work
Referral bonus of up to $100 per successful referral
Reasonable accommodations upon request