Hire the Best Adaptive Insight Freelancers in San Diego, CA

I specialize in AI data evaluation and quality assurance for large language models, bringing over 11 years of experience in cloud systems and agile quality control. My expertise includes RLHF feedback, data annotation, and rigorous content review, ensuring high-quality outputs in fully remote environments. I excel at applying structured guidelines with precision, consistently delivering accurate results across diverse contexts in the US, Canada, UK, and Europe. If you need someone to enhance your AI projects through meticulous evaluation and data management, let's connect. I look forward to discussing how I can help elevate your project to the next level.

Hi, I’m Katherine (“Kathy”) 👋, a bilingual data professional fluent in English, Spanish, and some Portuguese, with a Master’s in Business Analytics and over 5 years of experience in diverse freelance projects. I specialize in transforming complex data into reliable, actionable insights through data validation, AI training, testing, and market research. Why Hire Me? ⭐ Consistently rated 5 stars on all completed projects 🤝 100% Job Success on Upwork 🤖 Expertise in AI data annotation, quality assurance, and model output review 📊 Proficient in SaaS data cataloging, process automation, and data quality frameworks 🔧 Tech-savvy with a wide range of analytics, research, and project management tools What I Do: Data Annotation & Validation: Image, text, and SaaS data labeling for AI/ML workflows Testing & QA: Bot testing, workflow evaluation, and AI output accuracy review Market Research & Insights: Competitive analysis, trend tracking, and SaaS market mapping Data Management & Virtual Assistance: Data cleaning, organization, and performance tracking Content & Language Support: Translation, localization, and bilingual communication (EN/ES/PT) Digital Marketing Support: WordPress, Substack, Mailchimp, Meta Ads Manager, Hootsuite Tools I Use: Python 🐍 | Excel 📈 | Tableau 📊 | Power Query | RStudio | SPSS | SQL | Jupyter | Notion | Trello | Asana | Slack | Figma (UX testing) | Looker Studio | Google Workspace | Social Blade | Hootsuite | Buffer | Sprout Social | Google Trends Education: 🎓 MS in Business Analytics — National University of Ireland, Galway 🎓 Bachelor’s in Business Administration — Universidad Austral de Chile Languages: Spanish – Native English – Fluent Portuguese – Intermediate Why Work With Me: I bring analytical precision and strong organizational skills to every project. Whether improving AI workflows, validating large datasets, or supporting back-office processes, I ensure structure, insight, and consistency. My clients trust me to deliver clear results that align with their strategic goals.

I am a results-driven data scientist with over 10 years experience conducting full-cycle research projects and developing and managing data products. I have a PhD in Political Science and have been working as a research and statistics consultant for over 5 years. I’m well versed in both quantitative and qualitative methods--regression analysis, predictive modeling, dimensionality reduction, focus groups, content analysis--and research design. I am also fluent in a range of tools and software (including Excel, Google Sheets, Looker, R, Python, and SQL) Beyond a command of the must-have data science skills, I bring a background in teaching and training. This means I don't assume you know what I'm talking about, I'm very good at figuring out what you need and how to get you there, and that I know the value of prompt, thorough communication. I'm also a deeply curious person who loves to help clients problem solve, productize their data, and improve their business ops. If you are looking for a Data Scientist, Data Analyst, Statistician, or Digital Product Developer/Manager, I could be your person. This might mean cleaning and wrangling data, analyzing data and creating written reports, helping you understand statistics, creating graphics to help you tell a data story, or productizing your data catalog to help you sell to clients. Go ahead and reach out, or send me an invitation to your project. I'll get back to you ASAP! I look forward to finding out how we can work together to achieve your goals!