TIMOTHY JOEL LAVERTY
FIVERR
CLARKSVILLE
3
years of professional experience
- AI trainer and computer science professional with over four years of experience delivering AI training, prompt engineering, LLM evaluation, data annotation, and quality assurance solutions through Handshake AI, After Query, Fiverr, and Up work. Results driven.
- Strong experience in evaluating AI-generated material, applying RLHF techniques, scoring model outputs, and ensuring factuality, safety and policy compliance of text and multimodal data sets. Strong knowledge of Python, natural language processing, machine learning, and expertise in AI model evaluation, prompt optimization, data validation and analytical problem solving. They are recognized for their capacity to deliver high quality, detail-oriented work within fast-paced remote settings, as well as for their substantial contribution to the creation of standard artificial intelligence systems that are human-aligned, scalable, and reliable.
Work History
Principal AI Research Scientist
3 Years 3 Months- Worked closely with cross-functional teams to deliver scalable, production-ready AI applications.
- Evaluated AI models using prompt engineering, RAG, and performance optimization.
- Built and optimized ML/DL models using Python, Pytorch, TensorFlow and Hugging Face.
- Led development of LLMs, Generative AI and NLP solutions for global clients.
AI TRAINER
5 Months- Helped refine prompt quality and evaluation workflows.
- Conduct quality assurance on annotation projects. High agreement with quality reviewers is maintained.
- Reviewed AI-generated material for hallucinations, bias, and factual accuracy.
- Created prompts for reasoning, coding, math, and general knowledge evaluation.
- Performed RLHF tasks to enhance large language model performance.
Data Annotator
6 Months- Delivered projects within deadlines while maintaining high accuracy.
- Followed strict annotation guidelines.
- Reviewed annotation quality.
- Labeled entities, relationships, and sentiment.
- Classified text into predefined categories.
Prompt Engineer
3 Years 1 Month- Collaborated with reviewers to improve prompt quality.
- Evaluated instruction-following and reasoning capabilities.
- Documented prompt behavior and optimization results.
- Tested prompt variations to improve model performance.
Education
Bachelor of Science - Computer Science
Skills
AI Model Training & Evaluation
Prompt Engineering
RLHF (Reinforcement Learning from Human Feedback)
AI Response Ranking & Quality Assessment
Data Annotation & Labeling
Annotation Quality Assurance
Fact-Checking & Accuracy Validation
Search Relevance Evaluation
Content Moderation & Classification
Data Validation & Quality Control
Analytical Reasoning & Research
Guideline & Policy Interpretation
Audio
Video & Text Evaluation
Report Writing & Documentation
Timeline
AI TRAINER
HANDSHAKE AI
11.2025 - 04.2026Read More
Data Annotator
AFTERQUERY
03.2025 - 09.2025Read More
Prompt Engineer
FIVERR
07.2023 - CurrentRead More
Principal AI Research Scientist
UPWORK
05.2023 - CurrentRead More
Stanford University
Bachelor of Science from Computer Science
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