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    Welocalize

    Company

    Senior Data Engineer (Remote, Part-Time)

    India

    Job Description

    Welocalize is seeking a Senior Data Engineer with world-class Python expertise and a sharp eye for data quality, engineering rigor, and visualization fidelity.

    In this role, you will create realistic datasets, write intuitive prompts, and develop high-quality “golden plots” to power insightful data tasks. You'll bridge technical precision with real-world plausibility—crafting examples that meet strict quality rubrics and correctness criteria.

    Role Details

    Location: Remote
    Commitment: Part-time, flexible hours
    Compensation: Competitive hourly rate
    Welocalize is seeking a Senior Data Engineer with world-class Python expertise and a sharp eye for data quality, engineering rigor, and visualization fidelity.

    In this role, you will create realistic datasets, write intuitive prompts, and develop high-quality “golden plots” to power insightful data tasks. You'll bridge technical precision with real-world plausibility—crafting examples that meet strict quality rubrics and correctness criteria.

    Role Details

    Location: Remote
    Commitment: Part-time, flexible hours
    Compensation: Competitive hourly rate

    🔍 Key Responsibilities

    📊 Dataset Design & Curation
  • Design and build realistic toy/dummy datasets at varying complexity levels (simple, moderate, complex).
  • Ensure datasets reflect real-world scenarios while remaining clean, reproducible, and well-structured (CSV format).

    • ✏️ Prompt Engineering
  • Write concise, natural-language prompts (<40 words) tailored for business analysts.
  • Ensure prompts are grammatically precise and align with project style (non-technical, not overly directive, no raw metric requests).

    • 📈 Golden Plot Creation
  • Reproduce target visualizations with aesthetic and analytical fidelity.
  • Write clean, reproducible Python code using libraries like pandas, matplotlib, seaborn, and plotly.
  • Maintain high-quality code standards: well-commented, organized, and reproducible.

    • ✅ Correctness Criteria & Documentation
  • Define correctness criteria tailored to open-ended insight prompts.
  • Ensure criteria are flexible, accurate, and avoid assuming fixed solutions.
  • Provide supporting documentation with expected values and metrics (e.g., means, correlations, test results).

    • 🕵️ Quality Assurance
  • Rigorously check each example against quality rubrics (correctness, completeness, clarity, justification).
  • Maintain a high standard of accuracy across data, prompts, and visualizations.

    • Required Qualifications

  • 10+ years of professional experience in data engineering or applied data science.
  • Expert-level proficiency in Python (data wrangling, visualization, statistical testing).
  • Deep understanding of data modeling, prompt crafting, and reproducible workflows.
  • Exceptional attention to detail and quality control.
  • Proven success in high-impact technical environments.

    • Preferred Qualifications

  • Experience with statistics, hypothesis testing, and storytelling with data.
  • Background in producing training data, developer tools, or reproducible research.
  • Strong writing skills for crafting precise prompts and correctness criteria.
    • If you're a data expert who thrives on quality, clarity, and impactful engineering, we’d love to hear from you.

    Please mention that you found this job on MoAIJobs, this helps us grow. Thank you!

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    Welocalize

    21 jobs posted

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    About the job

    Posted on

    Sep 5, 2025

    Apply before

    Oct 5, 2025

    Job typeFull-time
    CategoryData Engineer

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