Remote Ai Data Trainer - 3845+ vagas

Toloka Annotators

Description 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

Elevus

Localização: Lisboa Modelo de trabalho: Híbrido Estamos a recrutar um(a) Data Engineer para integrar a criação de um AI & Data Hub de âmbito europeu , concebido para acelerar a adoção de soluções avançadas de Analytics e Inteligência Artificial em múltiplos mercados. A função assume um papel cen

Mindrift

Descrição do trabalho Remoto: Home Office A tech innovator in Portugal is seeking experienced Electrical Engineers with strong Python skills to train AI models on complex engineering reasoning tasks. The role involves designing rigorous problems and validating AI solutions. Candidates should have ad

Invisible Agency

Descrição do trabalho Remoto: Home Office An innovative tech firm is seeking a Portuguese Language Specialist for a freelance AI Trainer project. The role involves verifying and improving advanced AI language models with a focus on phonetics, syntax, and semantics. Ideal candidates will hold a maste

Jobgether

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Vocal Audio Specialist - Freelance AI Trainer Project in Portugal. This role is centered on contributing high-quality vocal audio data to support the training of advanced AI audio models. You will per

Glintt Global

Job DescriptionAt Zendesk, our focus is helping our customers build great relationships with their customers. Founded by three Danish entrepreneurs, Zendesk has experienced remarkable success and growth while maintaining a fun, positive, and down-to-earth culture.We are looking for a Senior AI Data

Glintt Global

Job DescriptionAt Zendesk, our focus is helping our customers build great relationships with their customers. Founded by three Danish entrepreneurs, Zendesk has experienced remarkable success and growth while maintaining a fun, positive, and down-to-earth culture.We are looking for a Senior AI Data

Aubay

Your connection with Aubay starts in the following lines: Aubay Portugal is a French multinational company that has been operating in the country since 2007, with offices in Lisbon and Porto. We are a leading technology consultancy with a presence in seven European Union countries, specializing in t

Caixa Mágica Software

Overview: Caixa Mágica is looking for a Technical Lead , focused on the development, maintenance, and evolution of application solutions, data, Machine Learning, and GenAI. What will you do? Lead technical activities related to code development, maintenance, and optimization. Work with Python, PySpa

Near.U

AI Data Engineer You build the data foundations that AI systems depend on — clean pipelines, well-structured knowledge bases, and the retrieval layer that makes RAG actually work. Remote (Portugal) - Full-time · 40h/week - Near.U About Us We are Near.U, Moongy nearshore center in Portugal, we strive

Mercor

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: STEM PhDs Type: Contract Compensation: $60–$

Invisible Agency

Are you an Alentejano language expert eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of linguistic discovery. With high‑quality training data, tomorrow’s AI can democratize world‑class education, keep pace with cutting‑edge resear

10x.Team

Updated: 18 May 2026 Freelance | 8–20 hrs/week | Remote (EU/UK) Migration Consultant – AI Trainer – Freelance – 8–20 hrs/week – Remote (EU/UK) Freelance | 8–20 hrs/week | Remote (EU/UK) Are you an experienced migration consultant interested in shaping the next generation of AI systems? Join 10x Team

FP&A

About EY-Parthenon At EY-Parthenon, we help organizations tackle complex strategic challenges, supporting critical decisions with data-driven insights. Our projects range from growth and digital transformation to operational optimization, always focused on creating sustainable value. The Opportunity

FP&A

About EY-Parthenon At EY-Parthenon, we help organizations tackle complex strategic challenges, supporting critical decisions with data-driven insights. Our projects range from growth and digital transformation to operational optimization, always focused on creating sustainable value. The Opportunity

Veeva Systems

Descrição do trabalho Remoto: Home Office Veeva Systems is looking for a Data Engineer to join our team in Portugal. In this role, you will design and maintain robust data pipelines that handle global Healthcare Organization data. You will combine your expertise in Python, Apache Spark, and cloud ar

CONKORD

At CONKORD , we believe technology and people grow together. If you're starting your career and looking for more than just an internship — if you want real impact, real projects, and real growth — this opportunity is for you! We are looking for recent graduates who are curious about Artificial Intel

CONKORD

At CONKORD , we believe technology and people grow together. If you're starting your career and looking for more than just an internship — if you want real impact, real projects, and real growth — this opportunity is for you! We are looking for recent graduates who are curious about Artificial Intel

Oraion

Descrição do trabalho Remoto: Home Office A growing data solutions company in Portugal is seeking a Mid-Senior Data Scientist / ML Engineer to develop and deploy machine learning models that turn complex data into actionable insights. The ideal candidate will have over 5 years of experience in data

Porto Digital

Junta-te à Associação Porto Digital como Data Scientist / AI Engineer e ajuda a construir o futuro de uma cidade mais inteligente, conectada e centrada nas pessoas. Integrarás a equipa de Dados e Inteligência Artificial, terás um papel ativo no desenvolvimento de soluções baseadas em IA que apoiam n