Customer Success Engineer – LatAm

Mercor

. Provide a speedy and delightful experience to talent using Mercor’s platform .

Posted 10/17/2026full-timeRemoteJuniorMid-Level💰 $35,000 - $50,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in debugging web applications and AI systems, with a strong ability to communicate effectively and empathetically with users. Proficient in creating documentation and runbooks to enhance issue resolution and user experience.

Highest-signal resume keywords

Debugging Web ApplicationsExperience With AI SystemsBuilding Modern Web ApplicationsNative English-Level Writing ProficiencyCreating Documentation And Runbooks

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 RefinementModel Outputs AnalysisChain-Of-Thought Debugging

Soft Skills

CommunicationEmpathyProfessionalism

Tools & Technologies

ReactNodeFlaskNext.jsOpenAIAnthropicLangChainAutoGPT

Industry Keywords

SaaSAITelemetryUser ExperienceHigh-Growth Technology Startup

Tech Stack

Tools & technologies

FlaskJavaScriptNext.jsNode.jsReact

About the role

Key responsibilities & impact

Provide a speedy and delightful experience to talent using Mercor’s platform
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
Work directly with the engineering team while supporting users through applications, AI-led interviews, offers, and payments

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
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
Availability for a 6-day/week schedule with substantial overlap with Pacific Time (PT/PST) working hours

Benefits

Comp & perks

Remote work
Full-time position
Referral bonus of up to $100 per successful referral (referral limits apply)
Reasonable accommodations upon request