freelance data annotator

512 ofertas de empleo de freelance data annotator en España. Encuentra ofertas actualizadas diariamente de los principales portales de empleo.

  • Freelance Data Scientist

    Hace 14 horas


    càrcer, kingdom of spain Mindrift Jornada completa

    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 opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI. What...

  • Freelance Data Scientist

    Hace 14 horas


    compostela, kingdom of spain Mindrift Jornada completa

    Seeking a Data Scientist AI Trainer for a remote, freelance role to design computational problems for AI training. Requires Python, SQL, statistical analysis, and ML expertise.

  • Freelance Data Scientist

    Hace 15 horas


    xàtiva, kingdom of spain Mindrift Jornada completa

    Seeking a Data Scientist AI Trainer for a remote, freelance role to design computational problems for AI training. Requires Python, SQL, statistical analysis, and ML expertise.

  • Freelance Data Scientist

    Hace 15 horas


    xirivella, kingdom of spain Mindrift Jornada completa

    Seeking a Data Scientist AI Trainer for a remote, freelance role to design computational problems for AI training. Requires Python, SQL, statistical analysis, and ML expertise.

  • Freelance Data Scientist

    Hace 15 horas


    les, kingdom of spain Mindrift Jornada completa

    Seeking a Data Scientist AI Trainer for a remote, freelance role to design computational problems for AI training. Requires Python, SQL, statistical analysis, and ML expertise.

  • Data Engineer

    Hace 7 días


    Madrid, España Vermont Solutions Jornada completa

    Vermont Solutions busca un/a Ingeniero/a de Datos con 3–4 años de experiencia para unirse a un equipo tecnológico en entorno bancario.Participarás en pipelines de datos, APIs y servicios backend en un proyecto 100% remoto desde España, con modalidad freelance o duración determinada por baja de paternidad.Se valorará experiencia en Spark, Databricks y...


  • Santiago de Compostela, Galicia, España Mindrift Jornada completa

    Seeking a Data Scientist AI Trainer for a remote, freelance role to design computational problems for AI training. Requires Python, SQL, statistical analysis, and ML expertise.


  • España Netguru Jornada completa

    Netguru is seeking a Senior Data Engineer for a fully remote, freelance B2B engagement in the European Union. The rolerequires strong Python for data pipelines, Databricks, dbt, SQL, JSON handling and REST API integration. You will work within a development team on data-driven projects, leveraging Kafka/Debezium for streaming and Azure cloud services. The...

  • Freelance Data Engineer

    Hace 1 semana


    Melilla, España Pixie Services Jornada completa

    En este momento estamos buscando unData Engineercon experiencia enSnowflakepara una serie de vacantes que estamos trabajando a nivel nacional e internacionalExperiencia sólida enSnowflakeExperiencia enPython y SparkConocimientos de entornos cloud, preferiblementeAWSExperiencia en sector bancarioConocimiento de entornos ADAManejo de diseño y evolución de...

  • AI Trainer

    Hace 1 semana


    Tarragona, Cataluña, España Toloka Annotators Jornada completa

    Please submit your resume in English and indicate your level of English. What We Do At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. About The Role Annotation is what helps AI make sense of the world. As an annotator, you may be invited to take part in online...


  • Madrid, España Reboot Monkey Jornada completa

    Reboot Monkey is seeking Freelance Data Center Technicians to deliver on-demand support to global data centers.You will install, configure, and manage servers, networking gear, and related hardware, while resolving issues and maintaining uptime.The role requires independent work and strong communication with remote teams.You will monitor operations remotely...

  • Freelance Annotator

    Hace 1 semana


    Santander, Cantabria, España Toloka Annotators Jornada completa

    Please submit your resume in English and indicate your level of English. At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. What We Do The Toloka Annotators connects individuals with Generative AI projects from leading tech innovators. Our mission is to unlock the full...


  • Álava, España Perit Ai (Yc F26) Jornada completa

    Perit AI (YC F26) is seeking freelance AI Data Annotators to align spoken Spanish to transcripts, correcting boundaries and mis-transcriptions for precise timing. You'll apply detailed guidelines across large volumes of work.The role is fully remote and highly flexible: no fixed schedule, no minimum weekly commitment. You pick tasks when available and must...


  • España Rws Jornada completa

    RWS invites AI conversation recording contributors to join a Catalan speech data collection project. This freelance, remote role offers flexible, task-based work with roughly 2–4 hours daily and an immediate start.You will record natural speech, annotate data, and provide metadata for evaluation of speech recognition and conversational AI systems. ...

  • French Data Annotator-11

    Hace 1 semana


    Andalucía, España Centific Global Solutions, Inc. Jornada completa

    ## French Data Annotator-11Applylocations: Spain Officetime type: Full timeposted on: Posted Todayjob requisition id: JR107735**About Centific**Centific is a frontier AI data foundry that curates diverse, high-quality data, using our purpose-built technology platforms to empower the Magnificent Seven and our enterprise clients with safe, scalable AI...

  • Freelance Data Scientist

    Hace 1 semana


    Madrid, España Mindrift Jornada completa

    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 opportunity.We believe in using the power of collective intelligence to ethically shape the future of AI.What We...


  • España Docplanner Jornada completa

    How You'll Contribute As 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...


  • Laza, Ourense, Verín (comarca); Provincia de Orense; Galicia, España Oxigent Technologies Jornada completa

    ¿Te interesaría seguir desarrollándote comocomisionamiento de sistemas eléctricos de potenciay buscás un proyecto internacional de alto nivel técnico? Sumate comoCommissioning Engineer especializado en Data Centers Modulares Prefabricados (PreFab)para uno de los líderes globales en gestión de energía.DesdeOxigent Technologiesseleccionamos...


  • Laza, Orense, España Oxigent Technologies Jornada completa

    ¿Te interesaría seguir desarrollándote comocomisionamiento de sistemas eléctricos de potenciay buscás un proyecto internacional de alto nivel técnico?Sumate comoCommissioning Engineer especializado en Data Centers Modulares Prefabricados (PreFab)para uno de los líderes globales en gestión de energía.DesdeOxigent Technologiesseleccionamos...


  • Madrid, España G2 Recruitment Jornada completa

    G2 Recruitment is seeking a Freelance Project Manager with a Controls Engineering background for a hyperscale Data Centre project in Zaragoza, Spain.The role demands strong leadership of day-to-day service tickets, maintenance planning, and on-site vendor coordination.You will oversee BMS/EBMS tasks, report progress, and drive solutions in a fast-paced,...