Lisbon, Portugal | On-site
International & Multicultural Team
Start Date: 27 August 2026
Are you fluent in French and English and passionate about technology, AI, and analytical work? Join a global team working on an exciting Generative AI project, where your language expertise and attention to detail will help improve the quality, accuracy, and safety of next-generation AI technologies.
What You'll Do
As a Customer Service Specialist on an AI-focused project, you will review, evaluate, and annotate AI-generated content while ensuring high standards of quality, accuracy, and compliance.
- Evaluate AI-generated responses using detailed quality and annotation guidelines.
- Accurately label and annotate language model outputs with consistency and attention to detail.
- Assess content for quality, relevance, factual accuracy, safety, and policy compliance.
- Apply complex annotation guidelines across a wide range of scenarios and content types.
- Identify inconsistencies, edge cases, and potential issues, escalating them when necessary.
- Review and analyze structured text, language data, and AI-generated content.
- Meet productivity, accuracy, and quality targets in a fast-paced environment.
- Maintain strict confidentiality and follow all project, data security, and quality requirements.
- Contribute to the continuous improvement of AI models through accurate evaluations, annotations, and actionable feedback.
- Collaborate with internal teams to continuously improve quality processes.
What We're Looking For
- Native-level French, both written and spoken
- Good command of English (B2 or higher)
- Strong understanding of Generative AI, Large Language Models (LLMs), and AI evaluation/annotation platforms
- Excellent analytical thinking and attention to detail
- Ability to interpret and consistently apply detailed written guidelines
- Strong written communication and reading comprehension
- Ability to make objective, evidence-based decisions
- Comfortable working independently while maintaining high-quality standards
- Customer-service mindset and professional communication skills
Nice to Have
- AI Data Annotation
- LLM Evaluation
- RLHF (Reinforcement Learning from Human Feedback)
- SFT (Supervised Fine-Tuning)
- Quality Assurance (QA)
- Content Labeling
- Trust & Safety
- Content Moderation
- Data Analysis or similar analytical roles
Salary & Benefits
- Base Salary: €930 gross/month × 14 payments
- Complexity Bonus: €200 gross/month × 11 payments
- Food Allowance: €7.63 per working day
- Full training and continuous support
- Career development opportunities
- Full-time employment
- International and multicultural working environment
- Opportunity to gain valuable experience in the rapidly growing AI industry
Work Schedule
- Full-time
- 24/7 rotational shifts
- Monday to Sunday
- 2 rotational days off per week
- On-site in Lisbon
- Flexibility to work across different shifts is required.
Important Requirements
- Start date: 27 August 2026
- No vacations planned for the next 6 months
- Full availability to work 24/7 in rotational shifts
Why Join?
- Work on an innovative AI project shaping the future of technology
- Gain hands-on experience in Generative AI and LLM evaluation
- Join an international and multicultural team
- Develop your analytical and language expertise
- Enjoy a stable full-time opportunity in Lisbon, Portugal
- Benefit from training, support, and career development opportunities