Empregos para data annotation em Lisboa

Thoth AI in Lisbon is hiring Data Annotators fluent in German to support a major global platform. You will review multimedia content and label it for AI training, with a focus on quality and consistency. The role is onsite in Lisbon, offering a German language bonus and a meal allowance, with a 40-hour work week (Mon–Fri, 9:00–18:00). English...

Overview This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Data and AI Engineer in EMEA. As a Data and AI Engineer, you will design, implement, and optimize advanced data pipelines and backend integrations to support next-generation cybersecurity and data-intensive platforms. You will work on scalable...

Thoth AI is a cutting-edge data solutions company specializing in AI training data, content moderation, and linguistic services. We collaborate with global tech leaders to improve machine learning models and enhance user experiences across digital platforms. We’ve recently opened our new office in Lisbon, and we’re excited to grow our team in a city...

Data Understanding Specialist - Data Cycling Center - Italian Market (Lisbon) 3 days ago Be among the first 25 applicants Responsibilities TikTok DCC (Data Cycling Centre): The team focuses on building data-driven solutions and enhancing content understanding for both internal stakeholders and external users, aiming to solve significant problems through a...

Software Developer for Training AI Data – Remote Applying for the Software Developer for Training AI Data – Remote role at G2i Inc. Location & Employment Remote (Worldwide – see accepted locations below) Contract Type: Long‑term Contract Hours: Flexible, 15‑40+ per week Immediate Opportunity – Tool Use Sprint Starting This Week! We’re...

JOB TITTLE Linguist Annotator LOCATION Remote (Worldwide) EMPLOYMENT TYPE Full Time JOB SUMMARY We are looking for an experienced Linguistic Annotator to lead high‑stakes language data annotation. In this role, you will apply advanced linguistic expertise to create, curate, and validate training data that teaches AI models to understand and generate...

Senior AI Engineer - Data & Infrastructure for Multimodal Models (100% Remote) Join to apply for the Senior AI Engineer - Data & Infrastructure for Multimodal Models (100% Remote) role at Tether.io Senior AI Engineer - Data & Infrastructure for Multimodal Models (100% Remote) 3 days ago Be among the first 25 applicants Join to apply for the Senior AI...

AI Labeling & Evaluation Agent (French-Speaking) As a Labeling & Evaluation Agent in Lisbon, Portugal (On-site), you will contribute to the development and improvement of cutting‑edge artificial intelligence systems by evaluating AI‑generated responses, applying detailed guidelines, and ensuring high‑quality annotations that help improve the accuracy,...

Concentrix in Lisbon, Portugal is hiring an AI Labeling & Evaluation Agent (English-Speaking) to join our on-site team. You will evaluate AI-generated outputs against detailed guidelines and apply precise annotations to improve language models. Ideal candidates are fluent in English (C1), with experience in data annotation or AI quality tasks, strong...

A tech company is seeking a part-time LLM – AI Quality Analyst (Personalization) to evaluate personalization features for AI models. This role requires fluency in Portuguese and experience in data annotation or AI quality evaluation. The candidate will work remotely, analyzing responses, designing conversational prompts, and providing structured feedback....

ByteDance is seeking an Italian-speaking Customer Service Specialist in Portugal to support the LLM Project. You will work on on-site shifts, with relocation support, contributing to AI data annotation and evaluation tasks in a global setting. Requirements include native Italian with strong writing, English at least B2, and solid AI knowledge. The role...

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...

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...

Italian-Speaking Customer Service Specialist – ByteDance LLM Project | Portugal Location: Portugal Work Model: On-site (Relocation Support Available) About The Role Join the ByteDance LLM Project and contribute to the future of Artificial Intelligence. We are looking for native Italian speakers with strong analytical skills and a passion for AI to...

Position: LLM – AI Quality Analyst (Personalization) – Portuguese Type: Short-Term Contract (2 months) Compensation: $11-$15 per hour Location: Remote Commitment: Part-time (20–40 hrs/week) Role Responsibilities - Evaluate a personalization feature for Gemini - Design and execute multi-turn conversational prompts that require the AI to leverage...

Transform Your Passion for Tech into a Career in Sun-Soaked Lisbon! Join a world-class customer service project shaping the future of Generative AI & Large Language Models (LLMs). Work on the cutting edge of technology while enjoying the incredible lifestyle, historic charm, and sunny weather of Portugal's dynamic capital. Key Information Role: German &...

Transform Your Passion for Tech into a Career in Sun-Soaked Lisbon! Join a world-class customer service project shaping the future of Generative AI & Large Language Models (LLMs). Work on the cutting edge of technology while enjoying the incredible lifestyle, historic charm, and sunny weather of Portugal's dynamic capital. Key Information - Role: German &...

Location: Champalimaud Centre for The Unknown, Lisbon, Portugal Job Type: Full Time Position: Scientific Research – Computational Biologist Application Period: 01 Jun. 2026 – 31 Jul. 2026 Overview The Cancer Dormancy & Immunity lab, led by Ana Luísa Correia, seeks a computational biologist to investigate neuro‑immune and neuro‑stromal...

Italian-Speaking Customer Service Specialist – ByteDance LLM Project | Portugal Location: PortugalWork Model: On-site (Relocation Support Available) About the Role Join the ByteDance LLM Project and contribute to the future of Artificial Intelligence. We are looking for native Italian speakers with strong analytical skills and a passion for AI to support...

Main Tasks and Responsibilities - Being comfortable with experimentation and willing to approach a problem in multiple ways via rapid prototyping. - Identifying appropriate datasets and driving annotation for machine learning techniques. - Developing (together with relevant expert talents) and maintaining machine learning applications and products. -...