RE

Robotics Annotation Specialist

RemoExpertsApplies on LinkedInData & Analytics
Hiring from
Portugal
Work type
Remote
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Explore full-time remote Robotics Annotation Jobs in Portugal with Rex.zone. As a data annotation specialist, you will power AI training pipelines through precision data labeling, computer vision annotation, and QA evaluation for advanced robotic systems. This role bridges the gap between raw sensor data and autonomous navigation, requiring expertise in 3D bounding boxes and spatial tracking. Join our global team to improve training data quality, ensure annotation guidelines compliance, and drive model performance improvement for next-generation robotics. Whether you seek freelance, contract, or full-time remote work, Rex.zone offers unparalleled opportunities in AI/ML evaluation and LLM training pipelines.

Robotics Annotation Specialist

As a Robotics Annotation Specialist at Rex.zone, you will be at the forefront of AI data labeling for autonomous systems. You will process complex datasets including video feeds, LiDAR point clouds, and sensor fusion outputs to train advanced machine learning models.

Core Responsibilities In AI/ML Training Pipelines

Your daily workflows will involve high-precision computer vision annotation and named entity recognition applied to robotic environments. You will execute RLHF (Reinforcement Learning from Human Feedback) protocols to refine robotic decision-making, conduct rigorous QA evaluation on pre-labeled datasets, and optimize large language model evaluation for voice-controlled robotic interfaces. Ensuring strict annotation guidelines compliance is critical for continuous model performance improvement and content safety labeling.

Required Skills And Qualifications

Ideal candidates possess a strong background in spatial awareness, 3D geometry, and AI data operations. Experience with LiDAR, semantic segmentation, and multi-sensor data labeling is required. You must demonstrate an ability to maintain high training data quality under tight deadlines. Familiarity with prompt evaluation and content safety labeling for AI systems is a strong plus. This is a remote, full-time position open to professionals based in Portugal.

Frequently Asked Questions

What does a robotics data annotation specialist do at Rex.zone?

A robotics data annotation specialist focuses on labeling complex spatial and visual data, such as LiDAR point clouds and 2D/3D video feeds. This computer vision annotation is essential for training autonomous robots to navigate and interact with their environments safely.

Are these robotics annotation jobs in Portugal fully remote?

Yes, these are full-time remote roles. While we are specifically hiring professionals based in Portugal, you will collaborate with a global team at Rex.zone, engaging in remote AI/ML evaluation and data labeling workflows.

What is the role of RLHF in robotics annotation?

RLHF (Reinforcement Learning from Human Feedback) is used to fine-tune robotic behaviors and human-robot interactions. By providing human QA evaluation and prompt evaluation, annotators help align the robot's actions and large language model responses with human expectations and safety standards.

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