Empleos de data annotation en Barcelona

70 ofertas de empleo de data annotation en España. Encuentra ofertas actualizadas diariamente de los principales portales de empleo.

  • Data Annotation Specialist Premium

    Hace 3 días


    Barcelona, Catalonia, España Docplanner Trabajo remoto Jornada completa

    Company Description At Docplanner Group, we’re on a mission to help people live longer, healthier lives. As the world’s largest healthcare platform, each month, we connect 24 million patients with 280k doctors across 13 countries (through brands like ZnanyLekarz, Doctoralia, MioDottore, DoktorTakvimi, and jameda). Our marketplaces, SaaS and AI tools...


  • Barcelona, Cataluña, España LxT AI Trabajo remoto Jornada completa 20.000 € - 30.000 €

    LxT AI is looking for Singlish (Singapore English) speakers for remote transcription and data collection projects. Ideal candidates will have fluency in the language, experience in transcription, and attention to detail. Responsibilities include listening and transcribing audio files and data classification according to guidelines.The role requires speed and...

  • AI Training Lead

    Hace 3 días


    Barcelona, Cataluña, España YO IT Consulting Jornada completa 38.000 € - 52.000 €

    YO IT Consulting seeks an AI Trainer Lead to help train next-generation AI systems, shaping how models learn through high-quality input and robust evaluation. This remote contract role focuses on evaluating AI responses, annotating data sets, and providing detailed feedback to improve model performance across business, finance, marketing, healthcare and...

  • AI Data Quality

    Hace 3 días


    Barcelona, Cataluña, España Prolific Jornada completa 23.629 € - 35.444 €

    Prolific in Barcelona is seeking Data Entry Clerks to aid in AI training and evaluation. The role involves working with real data to review and correct AI outputs while ensuring accuracy. Candidates should have experience in data entry, a sharp eye for detail, and strong communication skills.The ideal candidate must be proficient with tools like Excel and...


  • Barcelona, España Docplanner Trabajo remoto Jornada completa

    How You'll ContributeAs a Freelance Spanish Data Annotation Specialist at Docplanner, your main focus will be preparing and curating linguistically and medically oriented datasets in Spanish to power our machine learning and natural language processing (NLP) initiatives. You will work independently while maintaining clear communication with our NLP experts,...


  • Barcelona, Cataluña, España Biorce Jornada completa 40.000 € - 55.000 €

    Biorce, located in Barcelona, is seeking a Clinical Data Specialist to transform clinical notes into structured training sets for AI. The role involves managing data, leading dataset annotation, and ensuring regulatory compliance.Ideal candidates hold a Bachelor’s in Life Sciences and have 2+ years in clinical data management. Biorce offers a dynamic,...


  • Barcelona, Cataluña, España Biorce Jornada completa 40.000 € - 60.000 €

    About the companyBiorce is a pioneering Healthtech company dedicated to revolutionizing drug development through the power of AI. We are passionate about accelerating medical advancements and improving patient outcomes. Our team comprises seasoned clinical research professionals, data scientists, and AI experts, working collaboratively to bridge the gap...


  • Barcelona, Cataluña, España LxT AI Trabajo remoto Jornada completa 30.000 € - 45.000 €

    LxT AI is seeking Catalan speakers for transcription and annotation on remote projects. The ideal candidates will transcribe audio and video accurately, adhere to guidelines, and perform data classification. Attention to detail and proficiency in grammar and spelling are essential. Join LxT AI, a leader in AI training data, supporting global organizations...

  • Semantic Data Modeler Premium

    Hace 16 horas


    Barcelona, España MIGx AG Jornada completa

    About the profileWe are seeking a highly motivated and detail-oriented Semantic Data Modeler to join our innovative team. In this role, you will design, develop, and maintain semantic data models that form the backbone of intelligent data integration, knowledge discovery, and reasoning in complex domains such as life sciences. This position sits at the...

  • Robotics AI Data Collection Operator Premium

    Hace 16 horas


    Barcelona, España TSMG Jornada completa

    About the Role We are looking for Robotics AI Data Collection Operators to support the development of next-generation intelligent robotic systems. In this role, you will interact directly with robotic platforms, perform structured tasks, and generate high-quality demonstration data used to train advanced AI models. Your work will contribute to the...


  • Barcelona, Cataluña, España Biorce Jornada completa 40.000 € - 60.000 €

    Biorce, located in Barcelona, seeks a Clinical Data Specialist to lead the annotation of clinical datasets and train AI models. This role is critical for transforming unstructured data into structured training sets for our AI platform, Aika.You will work in a dynamic, international team focused on improving healthcare with AI technology. A Bachelor's degree...


  • Barcelona, Cataluña, España Rex.zone Trabajo remoto Jornada completa 35.902 € - 59.838 €

    Rex.zone is hiring a full-time Remote Data Annotator to produce and validate labeled datasets that improve AI/ML systems across NLP, computer vision, and multimodal workflows. You will follow detailed rubrics, resolve edge cases, and support LLM training pipelines through RLHF, prompt evaluation, QA evaluation, and content safety labeling.What You Will...


  • Barcelona, Cataluña, España Rex.zone Trabajo remoto Jornada completa 35.902 € - 59.838 €

    Rex.zone is hiring a Remote Data Annotator to produce and validate labeled datasets for AI/ML systems across NLP, computer vision, and multimodal workflows. You will follow rubrics, resolve edge cases, and support LLM training pipelines through RLHF, prompt evaluation, QA evaluation, and content safety labeling.Full-time remote role requiring reliable...


  • Barcelona, Cataluña, España ES00 Agilent Technologies Spain S.L. Jornada completa 90.000 € - 120.000 €

    Agilent Technologies is seeking a senior data engineer to build AI-ready data products and pipelines that power the pod's data plane. You will ensure semantic annotation, data contracts, entitlement metadata, and quality scoring from day one, collaborating with data owners and stewards across on-premise and cloud environments.You will work with platform...

  • Data Entry Clerk

    Hace 2 días


    Barcelona, Cataluña, España Prolific Jornada completa 23.629 € - 35.444 €

    Data Entry Clerk – Graduates – AI Training The role We're looking for Data Entry Specialists to join our Expert Network to help train and evaluate cutting‑edge AI models using real data expertise. If you have the necessary experience, we'll send you a quick 10‑ to 15‑minute test to assess your skills and suitability for AI tasks. If successful,...


  • Barcelona, Cataluña, España TSMG Holding Jornada completa 30.000 € - 45.000 €

    About the Role We are looking for Robotics AI Data Collection Operators to support the development of next-generation intelligent robotic systems. In this role, you will interact directly with robotic platforms, perform structured tasks, and generate high-quality demonstration data used to train advanced AI models. Your work will contribute to the...


  • Barcelona, Barcelona (Barcelona), España ResourceWell Jornada completa

    Social Media Savvy Vendor and Community Manager wanted to build and manage communities of talent providing Data-for-AI services including data collection, annotation, transcription, etc. ResponsibilitiesIdentify, attract, screen, onboard and engage freelancers worldwide.Ideate and develop processes and strategies to engage with the community to...


  • Barcelona, Cataluña, España Veeva Systems Inc. Trabajo remoto Jornada completa 40.000 € - 65.000 €

    Link is a pillar in the Veeva system landscape that envisions Connecting life sciences and key people to improve research and care. Our product offers real-time academics, social, and medical data to build comprehensive profiles. These profiles help our life-science industry partners find the right experts to accelerate the development and the adoption of...


  • Barcelona, Barcelona, España LXT Trabajo remoto Jornada completa

    LXT is an emerging leader in AI training data to power intelligent technology for global organizations. In partnership with an international network of contributors, LXT collects and annotates data across multiple modalities with the speed, scale and agility required by the enterprise. Our global expertise spans ...


  • Barcelona, Barcelona, España LXT Trabajo remoto Jornada completa

    LXT is an emerging leader in AI training data to power intelligent technology for global organizations. In partnership with an international network of contributors, LXT collects and annotates data across multiple modalities with the speed, scale and agility required by the enterprise. Our global expertise spans ...