Customer Success Engineer, LatAm

Mercor

. Ensure a delightful end-to-end experience for users applying to job listings, completing AI-led interviews, accepting offers, and getting paid .

Posted 10/12/2026full-timeRemoteJuniorMid-Level💰 $35,000 - $50,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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

Demonstrates expertise in debugging web applications and AI systems, with a strong ability to communicate effectively and provide user support. Proficient in modern web application development and familiar with AI tool behavior and APIs.

Highest-signal resume keywords

Debugging Web ApplicationsExperience with React, Node, Flask, or Next.jsUnderstanding of AI Systems and LLMsNative English-Level Writing ProficiencyExperience in Customer Support for Web Applications

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

DebuggingWeb Application DevelopmentAI Systems UnderstandingDatabase QueriesTelemetry AnalysisNetwork InspectionConfiguration ManagementPrompt RefinementChain-of-Thought DebuggingFine-Tuning AI Tools

Soft Skills

EmpathyProfessional CommunicationProblem-SolvingUser SupportCollaboration

Tools & Technologies

OpenAIAnthropicLangChainAutoGPT

Industry Keywords

AISaaSHigh-Growth Technology StartupUser Experience (UX)Technical Support

Tech Stack

Tools & technologies

FlaskJavaScriptNext.jsNode.jsReact

About the role

Key responsibilities & impact

Ensure a delightful end-to-end experience for users applying to job listings, completing AI-led interviews, accepting offers, and getting paid
Provide speedy and helpful support for user issues and questions
Investigate talent-reported issues end-to-end 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, escalate genuine engineering problems, and resolve other issues 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; applicants outside Latin America will not be considered
Ability to debug web applications
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 such as React, Node, Flask, or Next.js, or 2–5 years of experience supporting customers on such web applications
Comfort 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
Native English-level writing proficiency
Willingness to work six days per week with substantial overlap with Pacific Time (PT/PST) working hours

Benefits

Comp & perks

Referral bonus of up to $100 per successful referral