Customer Success Engineer – LatAm

Mercor

. Provide a speedy and delightful support experience to users throughout their application, interview, offer, and payment journeys .

Posted 10/22/2026full-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 empathetically with users. Proficient in creating documentation and runbooks to enhance support efficiency and reduce recurring issues.

Highest-signal resume keywords

Debugging Web ApplicationsExperience With AI SystemsCreating Documentation And RunbooksNative English-Level ProficiencyExperience With Modern Web Applications

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

DebuggingWeb Application DevelopmentAI Systems UnderstandingDatabase QueriesTelemetry AnalysisNetwork InspectionConfiguration ManagementPrompt RefinementChain-Of-Thought DebuggingModel Output Analysis

Soft Skills

CommunicationEmpathyProfessionalism

Tools & Technologies

ReactNodeFlaskNext.jsOpenAIAnthropicLangChainAutoGPT

Industry Keywords

SaaSHigh-Growth Technology StartupUser ExperienceBug ReportingRemote Work

Tech Stack

Tools & technologies

FlaskJavaScriptNext.jsNode.jsReact

About the role

Key responsibilities & impact

Provide a speedy and delightful support experience to users throughout their application, interview, offer, and payment journeys
Investigate talent-reported issues end-to-end by reproducing bugs, identifying root causes, and distinguishing UX friction, model edge cases, and system defects
Debug the AI and SaaS stack using telemetry, logs, network inspection, and database queries to understand production behavior
Triage issues, escalating genuine 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 on bug reports

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 (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 proficiency in writing
Ability to work a remote, 6-day/week schedule with substantial overlap with Pacific Time (PT/PST) working hours

Benefits

Comp & perks

Remote work
Referral compensation of up to $100 per successful referral (referral limits apply)
Reasonable accommodations upon request