Charles Burgos

I am Detail-oriented and analytical Data Annotation Specialist with experience in curating, labeling, and evaluating datasets for Large Language Models (LLMs). Also has a Proven track record of maintaining high accuracy scores, identifying edge cases, and conducting quality checks to support AI model fine-tuning. Combines strong critical thinking with a dependable work ethic to deliver high-quality results under tight deadlines.

Customer Service Associate - Optum Global Solutions

(2023-10 - 2024-05)

Handled a Healthcare account in Optum wherein we assist customers/members on their health insurance plan needs such as discussing their coverage, benefits, setting up appointments to providers, prior authorization, making insurance plan payments, etc.

Fraud Specialist - Infosys BPM

(2024-06 - 2024-11)

The job is to assist clients when it comes to their debit and credit cards concerns especially over charged, disputes, frauds etc. We ensure that all of the problems are properly documented and if possible we will file a claim so that they can be disputed for the charge they are not responsible of.

AI Data Annotation Specialist - Telus Digital

(2024-12 - 2026-10)

I evaluate, curate, structured high-quality datasets to train Large Language Models (LLM). This role involves annotating data, evaluating AI-generated outputs for factual accuracy and safety and conducting Reinforcement Learning from Human Feedback to optimize model performance, accuracy, and natural language understanding.

BS Environmental Science - Environmental Science - Technological University of the Philippines - Taguig (2021 - 2023)