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Cristhian
Data Scientist and Web Search Evaluator with 4+ years of experience in data analysis and AI content assessment
Video resume
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Competencies
Proficient in analyzing complex datasets to extract actionable insights and support data-driven decisions.
Skilled in developing and deploying NLP models for sentiment analysis and text classification tasks.
Extensive experience in Python for data manipulation, model development, and automation.
Capable of creating compelling visualizations using Matplotlib and Streamlit to communicate insights.
Experienced in assessing search and advertisement content to improve relevance and user engagement.
Education
Languages
Summary
Dedicated data professional with over 4 years of experience in data analysis, NLP, and content evaluation. Skilled in Python, SQL, and deploying models to optimize AI and digital marketing efforts.
Key Achievements
- Enhanced AI performance by providing detailed content assessments at Telus International.
- Improved online advertisement quality through targeted feedback, increasing relevance and engagement.
- Developed NLP models and sentiment analysis tools, deploying them via Streamlit for insights-driven decision making.
- Successfully extracted and cleansed large datasets from Google Maps and Yelp APIs for analytical purposes.
Experience
Expert Rater (Web Search Evaluator)
Analyze and assess advertising content according to established guidelines, providing actionable insights to enhance AI performance and compliance.. Actively engage in discussions with global teams to reach agreement on content evaluation, fostering teamwork and a collaborative approach.. Handle sensitive content responsibly. Evaluate queries with sensitivity, ensuring adherence to ethical guidelines and advertising regulations, particularly when dealing with potentially controversial material.
Personalized Internet Ads Assessor (Web Search Evaluator)
Reviewing online advertisements in order to improve their content, quality and layout. Providing feedback and analysis on advertisements found in search engine results.. Providing ratings on ads relevance to the search terms used.
Data Scientist
Data extraction and cleansing from Google Maps and Yelp API.. Development of Natural Language Processing (NLP) models and sentiment analysis.. Deployment of models and data visualization via Streamlit Apps.
Intern
Executed GMP tasks following local and international standards.. Supervised sampling of final product and water involved in the process.
Skills
Video Transcript
Mechanical Engineer
I'm a mechanical engineer by profession. I not practice it anymore, but in my internship, I work in a paper mill in the quality area because this paper mill, the name is SmartFit Capa. It's a multinational. And this paper mill produces some materials that are going to be in contact with food and beverages. So they have to follow some specific guidelines, the local and international. After that, I worked as a private tutor of math and physics. Also, but more recently, I worked as a explorer or data annotator, which I think is more a general title for this job, where I had to follow some specific instructions to assess the advertisement of Google and YouTube. So I had to evaluate if, for example, if a sneaker shoes are compatible with the user intent, if the user is looking for a sneaker or any sport clothing or something that's totally unrelated to that.
Chemical Engineer
I'm a chemical engineer by profession, but I don't practice it anymore. But in my first main internship, I worked in the quality area because my job...
Chemical Engineer
I'm a chemical engineer by profession, but I don't practice it anymore, but in my first year of...
Video Transcript 4
I don't have experience with any dispatch software or similar tools, but I'm a person that learns very fast. I'm always looking for courses or boot camps or any kind of other type of lessons so I can learn always any new tool or any new skill.
Video Transcript 5
As I mentioned previously, I have experience in this field, but I used to buy and sell second-hand items in places like Facebook marketplace and other type of marketplaces that are available in my country. So I had to organize myself to deliver the items I was selling with very simple tools like Google Calendar or alarms of this type of stuff.
Video Transcript 6
I don't have any experience in dispatching or logistical tasks, but I will focus in the activities that I can control and not the ones I cannot control. So there are like a lot of organizational tools, so I can assess which dispatches or which taxes have a priority, so I can manage this type of simultaneous deadlines.
Chemical Engineer
Hello, my name is Cristian Castro, I'm from Colombia, and this is a presentation for the remote dispatcher position. And I'm a chemical engineer, so I don't have much experience in customer experience, customer support, but I have experience in data annotation, so I have experience in following very specific guidelines, and also I have a proficient level in English. Thank you.