Customer Success Engineer, LatAm

Mercor

. Investigate talent-reported issues end-to-end by reproducing bugs, identifying root causes, and separating UX friction, model edge cases, and system defects .

Posted 9/21/2026full-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 analyze model outputs and user interactions. Proficient in creating documentation and providing user support while communicating effectively and empathetically.

Highest-signal resume keywords

Debugging Web ApplicationsExperience with React, Node, Flask, Next.jsUnderstanding of AI Systems and LLMsNative English-Level Writing ProficiencyExperience with AI Tool Behavior and Fine-Tuning

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

DebuggingWeb Application DevelopmentAI Systems UnderstandingModel Output AnalysisDatabase QueriesTelemetry AnalysisNetwork InspectionConfiguration ManagementPrompt RefinementChain-of-Thought Debugging

Soft Skills

CommunicationEmpathyProfessionalism

Tools & Technologies

OpenAI APIAnthropic APILangChainAutoGPT

Industry Keywords

AISaaSHigh-Growth Technology StartupUser ExperienceProduct Risks

Tech Stack

Tools & technologies

FlaskJavaScriptNext.jsNode.jsReact

About the role

Key responsibilities & impact

Investigate talent-reported issues end-to-end by reproducing bugs, identifying root causes, and separating 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 true engineering problems and resolving others through configuration, prompt refinement, or clear 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
Support users throughout Mercor’s platform experience, including applications, AI-led interviews, offers, and payments

Requirements

What you’ll need

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 (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
Native English-level writing proficiency
Currently residing in Latin America
Ability to work 6 days per week with substantial overlap with Pacific Time (PT/PST) working hours

Benefits

Comp & perks

Salary of $35K-$50K per year
Remote work
Referral opportunity offering up to $100 per successful referral