Empregos para ai evaluation engineer em Lisboa

6,497 vagas de ai evaluation engineer em Portugal. Encontre vagas atualizadas diariamente.


  • Lisboa, Lisboa, Portugal Mindrift Tempo integral 35 818 € Contrato

    A project-based AI solutions provider in Portugal seeks experienced developers to create and refine challenging coding tests for AI systems. The ideal candidates will have a degree in Computer Science or related fields, strong expertise in Python, and significant experience with Full-Stack development. This part-time opportunity involves working on tasks...


  • Lisboa, Lisboa, Portugal Venture Up Tempo integral 70 000 € - 100 000 € Contrato

    Venture Up in Lisbon is seeking a Senior Evaluation Engineer to ensure our platform is correct, private, grounded, and trustworthy before it reaches users. You will define and execute evaluation across NLP, entity resolution, adversarial testing, grounded generation, and end-to-end data handling. Join a stealth AI startup shaping benchmarks and release...

  • Remote Kotlin Engineer

    Há 17 horas


    Lisboa, Lisboa, Portugal SME Careers Tempo integral 40 000 € - 60 000 € Contrato

    An AI Data Services company is looking for a remote Kotlin Engineer to develop AI training content and evaluate AI responses for quality. The role requires at least 2 years of Kotlin development experience and strong English writing skills. Responsibilities include creating prompts for AI learning, optimizing AI model performance, and ensuring model...


  • Lisboa, Lisboa, Portugal Venture Up Tempo integral 70 000 € - 100 000 € Contrato

    Senior Evaluation Engineer — Lisbon | Stealth AI Startup We’re building a new kind of collective intelligence platform: AI that turns unstructured communication into grounded insights, recommendations, and actions. We’re in stealth mode, but the challenge is anything but quiet. We’re looking for a Senior Evaluation Engineer to make sure what we...

  • Polish AI Annotation

    Há 17 horas


    Lisboa, Lisboa, Portugal The lemon Consulting Tempo integral 19 000 € - 26 000 € Contrato

    The lemon Consulting in Lisbon, Portugal is seeking a Customer Support Representative to review and annotate AI-generated responses, ensuring quality, accuracy and policy compliance in a fast-paced environment. You will work on-site in central Lisbon, use AI annotation platforms, and collaborate with multilingual teams. Requirements include native Polish,...


  • Lisboa, Lisboa, Portugal Mindrift Tempo integral 31 180 € - 44 408 € Contrato

    1 week ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency. At Mindrift, innovation meets...

  • AI Safety Specialist

    Há 17 horas


    Lisboa, Lisboa, Portugal Mercor Tempo integral 60 000 € - 90 000 € Contrato

    We are seeking experienced AI Safety Practitioners to evaluate the safety, quality, and alignment of frontier AI models across complex, policy-sensitive, and ambiguous ("grey-area") topics. You will assess AI-generated responses, apply safety policies, and help improve model behavior through structured evaluations and feedback. Responsibilities - Evaluate...

  • AI Safety Specialist

    Há 17 horas


    Lisboa, Lisboa, Portugal Obsidian Tempo integral 55 000 € - 90 000 € Contrato

    We are seeking experienced AI Safety Practitioners to evaluate the safety, quality, and alignment of frontier AI models across complex, policy-sensitive, and ambiguous ("grey-area") topics. You will assess AI-generated responses, apply safety policies, and help improve model behavior through structured evaluations and feedback. Responsibilities Evaluate...


  • Lisboa, Lisboa, Portugal Obsidian Tempo integral 3 € - 6 € Contrato

    Mercor is hiring experienced musicians to evaluate generative music AI models, in partnership with a leading AI lab. You will assess AI-generated music across genres and rate it against detailed quality standards, working in Portuguese and English. Key responsibilities include comparing AI-generated lyrics with published songs, rating lyrics on quality,...

  • Senior Python Engineer

    Há 19 horas


    Lisboa, Lisboa, Portugal Mindrift Tempo integral

    Mindrift Connects Specialists with Project‐Based AI Opportunities Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What this opportunity involves We're building a dataset to evaluate AI coding...


  • Lisboa, Lisboa, Portugal Mindrift Tempo integral

    Mindrift is launching a remote, project-based consultant role focused on translating real-world engagements into structured learning environments for advanced AI systems. You will design end-to-end consulting tasks, scenarios, and evaluation criteria grounded in top-tier industry practice. We seek consultants with 3+ years' direct experience at McKinsey,...

  • Senior HR Strategist

    Há 3 horas


    Lisboa, Lisboa, Portugal Mercor Tempo integral

    Mercor is seeking senior HR professionals to craft evaluation tasks for AI-driven talent management, employee relations, and organizational design. The role spans US and International compliance tracks, inviting experts in either or both tracks to apply. Contributors design HR scenarios, draft outputs, and write rubrics that capture how senior HR leaders...


  • Lisboa, Lisboa, Portugal Workster Tempo integral 24 000 € - 32 000 € Contrato

    A Workster, em parceria com uma líder global em experiência do cliente, procura Especialistas em Avaliação de Dados de IA que falem inglês para um projeto inovador com base em Lisboa, Portugal. Junte-se a uma equipa dedicada a rever, avaliar e melhorar respostas de IA para milhões de utilizadores em todo o mundo. A função é presencial em Lisboa,...

  • AI Labeling

    Há 17 horas


    Lisboa, Lisboa, Portugal Concentrix Tempo integral 24 000 € - 32 000 € Contrato

    Job Title AI Labeling & Evaluation Agent (Italian‑Speaking) Job Description Experience the power of a game-changing career! Are you looking for what's next? We're a global technology and services leader that powers the brands of the future. We help well-known brands—the ones you use every day—improve their businesses with technology and integrated...

  • AI Labeling

    Há 17 horas


    Lisboa, Lisboa, Portugal Concentrix Tempo integral 22 000 € - 32 000 € Contrato

    Overview AI Labeling & Evaluation Agent (English-Speaking) – Lisbon, Portugal (On-site) Experience the power of a game-changing career! We are a global technology and services leader that powers the brands of the future. We help well-known brands—the ones you use every day—improve their businesses with technology and integrated solutions across more...


  • Lisboa, Lisboa, Portugal Mindrift Tempo integral 32 639 € - 46 486 € Contrato

    A leading AI solutions company in Portugal is seeking statisticians for project-based roles focused on evaluating and improving AI systems. Candidates should have a degree in Statistics or a related field, at least 3 years of professional mathematics experience, and strong Python skills for validation. The position is part-time and non-permanent, with...


  • Lisboa, Lisboa, Portugal Concentrix Tempo integral 18 000 € - 26 000 € Contrato

    Concentrix in Lisbon, Portugal, is hiring for an AI Labeling & Evaluation Agent (French-Speaking) on-site to contribute to advanced AI systems by evaluating responses and applying guidelines. You will label outputs in French, ensure quality and safety, and work with structured text and datasets in a global technology setting. The role offers training,...


  • Lisboa, Lisboa, Portugal Alignerr Tempo integral 55 000 € - 124 000 € Contrato

    Alignerr in Lisbon is seeking Software Engineers to build, evaluate, and improve AI-generated code for training AI systems to think like real developers. You will write solutions, review AI outputs, and provide expert feedback. This remote, hourly contract role offers flexible hours and the chance to work asynchronously on frontier AI projects with...

  • Platform Engineer

    Há 17 horas


    Lisboa, Lisboa, Portugal Mercor Tempo integral 45 000 € - 70 000 € Contrato

    Mercor is seeking Engineering / Platform professionals with strong analytical skills to review, assess, and provide structured feedback on domain-specific documents. You will contribute to high-impact evaluation projects from Lisbon, Portugal.Ideal candidates have a bachelor’s degree, 2+ years in a relevant field, and proficiency with Excel, PowerPoint and...


  • Lisboa, Lisboa, Portugal Cbtalents Tempo integral 10 000 € - 12 000 € Contrato

    Cbtalents is hiring for an Italian-Speaking Customer Service Specialist for the ByteDance LLM Project in Portugal. Native Italian speakers with strong analytical skills will support customer service and AI evaluation tasks in an international setting. The role offers on-site work with relocation support, a salary of €1,000 per month paid across 14 months,...