Customer Success Engineer – LatAm

Mercor

. Provide a speedy and delightful experience to users of Mercor’s platform .

Posted 9/20/2026full-timeRemote • ArgentinaJuniorMid-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 empathetically. Proficient in creating documentation and runbooks to enhance user experience and operational efficiency.

Highest-signal resume keywords

Debugging Web ApplicationsExperience with ReactExperience with Node.jsFamiliarity with AI SystemsNative English-Level Writing Proficiency

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

DebuggingWeb Application DevelopmentDatabase QueriesModel Outputs UnderstandingFailure Modes AnalysisPrompt RefinementChain-of-Thought DebuggingConfiguration ManagementUser GuidanceSystem Defect Identification

Soft Skills

CommunicationProfessionalismEmpathy

Tools & Technologies

TelemetryLogsNetwork InspectionOpenAIAnthropicLangChainAutoGPT

Certifications & Qualifications

Degree in Computer ScienceDegree in Software Engineering

Industry Keywords

AI SystemsSaaSHigh-Growth Technology StartupUser ExperienceBug Reporting

Tech Stack

Tools & technologies

FlaskJavaScriptNext.jsNode.jsReact

About the role

Key responsibilities & impact

Provide a speedy and delightful experience to users of Mercor’s platform
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, 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 to investigate bug reports

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 such as React, Node.js, Flask, or Next.js, or 2–5 years of experience supporting customers on such web applications
Familiarity 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 OpenAI, Anthropic, LangChain, or AutoGPT is a plus
Native English-level writing proficiency
Must currently reside in Latin America
Ability to work remotely 6 days per week with substantial overlap with Pacific Time working hours

Benefits

Comp & perks

Remote work
Referral bonus of up to $100 per successful referral