Multilingual Data Annotation Specialist, Spanish

Zefr

. Label social media content against Zefr’s contextual category guidelines using in-house tooling .

Posted 11/2/2026full-timeMarina del Rey • California • United StatesMid-LevelSenior💰 $72,400 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates fluency in Spanish and English, with strong cultural awareness and attention to detail in content labeling across social media platforms. Proficient in using AI tools and Google Workspace while maintaining quality assurance and effective communication.

Highest-signal resume keywords

Fluency In Spanish And EnglishCultural FluencyAttention To DetailProficiency In Google WorkspaceExperience With AI Tools

ATS Keywords

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Applicant Tracking System Keywords

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

Hard Skills

Content LabelingQuality AssuranceRoot Cause AnalysisMachine Learning UnderstandingComputer Vision Understanding

Soft Skills

Clear Written CommunicationAnalytical Problem-SolvingReliabilityCoachabilityAbility To Work Independently

Tools & Technologies

Google WorkspaceAI ToolsClaudeGeminiChatGPT

Industry Keywords

Social Media ContentContextual Category GuidelinesEmerging TrendsVideo And Image MetadataSensitive Content Review

About the role

Key responsibilities & impact

Label social media content against Zefr’s contextual category guidelines using in-house tooling
Make daily judgment calls on video, image, and metadata across YouTube, TikTok, Meta, and Snap
Apply labeling frameworks and help sharpen them when gaps are found
Spot emerging trends and edge cases early and raise them before systemic mislabels occur
Run root cause analysis on quality misses and turn findings into process changes
Perform lingual quality assurance across multiple project pipelines
Build a working understanding of machine learning and computer vision and how annotation quality affects model performance

Requirements

What you’ll need

Oral, written, and cultural fluency in Spanish and English is required
Strong cultural fluency and a feel for context across varied content types
Regular user of TikTok, YouTube, Facebook, Instagram, and Snapchat
Exceptional attention to detail, sustained across repetitive work
Clear written communication, especially when explaining ambiguity, inconsistency, or definitional drift
Comfort applying style guides and holding consistency across formats
Comfortable using AI tools such as Claude, Gemini, or ChatGPT
Proficiency in Google Workspace
Comfortable reviewing sensitive content, including political topics, religious perspectives, violence, and adult material
Reliable and coachable; able to take feedback and apply it quickly
Analytical, with structured problem-solving instincts
Steady in a fast-paced environment with shifting priorities
Effective both on a team and independently
Sound judgment with confidential and proprietary information
Able to work a hybrid schedule, 2–3 days per week in the Marina del Rey office

Benefits

Comp & perks

Flexible PTO
Medical, dental, and vision insurance with FSA options
Company-paid life insurance
Paid parental leave
401(k) with company match
Professional development opportunities
10+ paid holidays off
Flexible hybrid work schedules
“Summer Fridays” (shorter work days on select Fridays during the summertime)
In-office lunches and lots of free food
Optional in-person and virtual events