Senior Data Annotation Engineer

rex.zone United State
Remote
Apply
AI Summary

Design and execute annotation and evaluation workflows for AI/ML models. Collaborate with globally distributed teams to produce high-quality training data. Implement RLHF and prompt evaluation protocols using well-defined rubrics and calibration.

Key Highlights
Design and execute annotation and evaluation workflows
Collaborate with globally distributed teams
Implement RLHF and prompt evaluation protocols
Key Responsibilities
Design and execute annotation and evaluation workflows for NLP, computer vision, and multimodal tasks
Implement RLHF and prompt evaluation protocols using well-defined rubrics and calibration
Define and enforce annotation guidelines compliance; maintain edge-case documentation
Run QA evaluation audits, spot checks, inter-annotator agreement analysis, and error taxonomy tracking
Curate datasets for named entity recognition, classification, ranking, summarization, and safety policy adherence
Technical Skills Required
Python NLP RLHF LLM evaluation Data labeling QA evaluation Computer vision Named entity recognition Text classification Relevance ranking Summarization
Benefits & Perks
Competitive hourly base pay: $30–$50 per hour
Nice to Have
Experience with RLHF pipelines, preference ranking, or rubric-based evaluation
Familiarity with computer vision annotation (bounding boxes, polygons, segmentation)
Experience building quality systems (sampling, audits, calibration sessions, disagreement resolution)
Exposure to content safety labeling or trust & safety workflows

Job Description


About The Role

Remote STEM Jobs in India at Rex.zone focus on applied engineering work that supports AI/ML training pipelines, including data labeling, RLHF evaluation, prompt evaluation, and QA evaluation for large language models. You will collaborate with globally distributed teams to produce high-quality training data and improve model performance across NLP, computer vision, and content safety labeling workflows.

Key Responsibilities

  • Design and execute annotation and evaluation workflows for NLP, computer vision, and multimodal tasks
  • Implement RLHF and prompt evaluation protocols using well-defined rubrics and calibration
  • Define and enforce annotation guidelines compliance; maintain edge-case documentation
  • Run QA evaluation audits, spot checks, inter-annotator agreement analysis, and error taxonomy tracking
  • Curate datasets for named entity recognition, classification, ranking, summarization, and safety policy adherence
  • Use Python and data tooling to automate checks, sampling plans, reporting, and quality metrics

Required Qualifications

  • Mid-senior STEM/engineering background (CS, EE, math, physics, statistics, or related)
  • Strong Python skills; comfort with structured and unstructured data
  • Practical understanding of LLM evaluation, data labeling, and QA evaluation concepts
  • Experience with NLP tasks (e.g., NER, text classification, relevance ranking, summarization)
  • Ability to interpret guidelines, resolve ambiguity, and communicate asynchronously in a remote setting

Preferred Qualifications

  • Experience with RLHF pipelines, preference ranking, or rubric-based evaluation
  • Familiarity with computer vision annotation (bounding boxes, polygons, segmentation)
  • Experience building quality systems (sampling, audits, calibration sessions, disagreement resolution)
  • Exposure to content safety labeling or trust & safety workflows

Compensation

  • Competitive hourly base pay: $30–$50 per hour

How To Apply

Visit Rex.zone and search for “Remote STEM Jobs in India” to find matching roles and apply. Highlight STEM engineering impact, Python/data tooling, and experience with data labeling, RLHF, LLM evaluation, training data quality, and annotation guidelines compliance.

Similar Jobs

Explore other opportunities that match your interests

Head of AI - Market-Focused Leadership

Machine Learning
9h ago
Visa Sponsorship Relocation Remote
Job Type Full-time
Experience Level Director

subatomic

United State
Visa Sponsorship Relocation Remote
Job Type Full-time
Experience Level Associate

sundayy

United State

Machine Learning Engineer - Platforms

Machine Learning
1d ago

Premium Job

Sign up is free! Login or Sign up to view full details.

•••••• •••••• ••••••
Job Type ••••••
Experience Level ••••••

ut md anderson

United State

Subscribe our newsletter

New Things Will Always Update Regularly