
51 - 200 employees
Founded 2004
🤖 Artificial Intelligence
☁️ SaaS
Artificial Intelligence • Localization • SaaS
e2f, inc. is a leading provider of AI data services and localization solutions. With expertise in data collection, annotation, and evaluation, e2f creates high-quality datasets for various AI applications, including large language models (LLMs). The company has a strong focus on ethical practices and has been recognized as one of the Forbes Top 30 Best Companies for Remote Jobs.
🔥 2 minutes ago
🗣️🇪🇸 Spanish Required
Improve your chances of getting an interview by checking your resume score before you apply.

51 - 200 employees
Founded 2004
🤖 Artificial Intelligence
☁️ SaaS
Artificial Intelligence • Localization • SaaS
e2f, inc. is a leading provider of AI data services and localization solutions. With expertise in data collection, annotation, and evaluation, e2f creates high-quality datasets for various AI applications, including large language models (LLMs). The company has a strong focus on ethical practices and has been recognized as one of the Forbes Top 30 Best Companies for Remote Jobs.
• Review AI-generated responses in Spanish • Evaluate quality, factual accuracy, relevance, and consistency • Identify errors, gaps, and guideline deviations • Assess annotation outputs and reviewer decisions • Provide clear quality feedback and rationale • Participate in training and calibration sessions • Maintain high quality while meeting project expectations
• Native or near-native Spanish proficiency • Strong English reading comprehension • Experience in quality assurance, fact-checking, content review, annotation, search evaluation, research, editorial work, or similar analytical roles • Excellent attention to detail • Strong critical-thinking and decision-making skills • Ability to work independently and apply guidelines consistently • Bonus Points • Experience with AI, LLMs, or response evaluation • Search quality or data annotation review experience • Background in journalism, linguistics, translation, education, or research
• Flexible remote work • Paid in USD • Long-term project opportunities • Exposure to advanced AI evaluation methodologies • Opportunity to progress into senior AI Quality and QC Specialist roles
Apply Now🕒 May 19
Forward Deployed Engineer at NextLink Labs delivering AI solutions and building data infrastructure for production systems. Collaborating closely with clients and internal teams on innovative projects.
🕒 May 15
Oil & Gas Consultant providing advisory support to enhance AI-driven operations in the oil and gas sector. Collaborating with senior leadership to identify client needs and industry pain points.
🕒 May 6
Part-time advisory role for designing enterprise data platforms and AI orchestration at Xenon7. Engage in senior-level client conversations and provide architecture validation for AI initiatives.
🇧🇷 Brazil – Remote
💵 $50 / hour
💰 Series C on 2024-02
⏳ Contract/Temporary
🟡 Mid-level
🟠 Senior
🤖 Artificial Intelligence
🕒 March 24
AI Site Merchandiser responsible for building branded storefronts and leveraging AI tools. Engaging in creative production and marketing asset creation for the eCommerce sector.
🕒 March 20
Portuguese Language Specialist contributing to AI Training via phonetics, syntax and semantics. Involves linguistic analysis, error tracking, and prompt engineering improvements.
🇧🇷 Brazil – Remote
💵 $6 - $65 / hour
🔥 Funding within the last year
💰 $100M Series unknown on 2025-10
⏳ Contract/Temporary
🟡 Mid-level
🟠 Senior
🤖 Artificial Intelligence
🗣️🇧🇷🇵🇹 Portuguese Required