Senior Prompt Engineer - Romania (Remote, Part-Time)
Welocalize
Sourced from Welocalize's careers site · Posting last seen December 11, 2025
🔍 Key Responsibilities
- 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).
- 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).
- 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.
- 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).
- 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.
Skills
- python
- data wrangling
- visualization
- statistical testing
- statistics
- hypothesis testing
- reproducible research
- writing
- prompt engineering
- data visualization
- data modeling
Summary
Design datasets, craft prompts, create visualizations, ensure quality and reproducibility in data projects
Job title
Senior Prompt Engineer
Experience level
10+ years
Industry
software
Location
Romania · Remote
Salary
17-25
Listed in the job description
Visa sponsorship
Company has sponsored H-1B before
Management role
No
- Sep 28, 2025 First posted
- Sep 28, 2025 Live now
As observed on the employer's careers site by ApplyAll. We show every change we've seen including removals.
Posting history
- Sep 28, 2025 First posted
- Sep 28, 2025 Live now
As observed on the employer's careers site by ApplyAll. We show every change we've seen including removals.
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