Remote Stem Engineer (india) — Ai/ml Data Operations

Remoexperts  ·  via Trust and Safety Jobs
🌎 Remote 📍 United States, Remote

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.