Royston Remo Lewis

1. Antananarivo, Madagascar Project - Detecting Fake Job Postings Using NLP

• Conducted comprehensive web scraping on platforms like Indeed, Glassdoor, Monster, etc.
• Formatted and processed data using Natural Language Toolkit (NLTK).
• Implemented sentiment analysis along with TFID for labelling of the scrapped data.
• Built Ensemble model on XGBoost and Random Forest Classifier for improved F1 score on fake job detection.

2. Hyderabad, India Project - Building a Chatbot for Interview Preparation using NLP

• Developed interview process-flows for diverse roles using domain knowledge.
• Utilized NLP libraries for semantic and cosine similarity to group similar questions and implemented Zero Shot Classification for automated question labeling.
• Contibuted in exploration and integration of Large Language Models (LLMs).

Skills and Technologies:

• Web Scraping, Natural Language Processing, NLTK, Semantic Similarity, Cosine Similarity
• Machine Learning Models, Transfer Learning, Classification Models, Active Learning, Ensemble learning.
• Chatbot Development, Interview Process-Flow Design, Zero Shot Classification,Large Language Models (LLMs).

• Expert in project estimation, tendering, and supervision, adept at subcontractor evaluation for optimal pricing and quality; skilled in inventory control, cost analysis, and contract negotiation, ensuring competitive pricing and offering engineering support in material procurement..

• Led comprehensive design processes from 2D/3D modeling to assembly, including ASME-standard strength calculations. Accomplished in producing crucial drawings and developing test setups for pressure drop studies, highlighting expertise in design and analysis.
• Performed rigorous testing procedures on prototypes, identifying areas for improvement before production began
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• Led R&D and design for sheet metal components, optimizing efficiency and reducing human intervention. Achieved successes like designing and implementing Progressive, Compound dies and Transfer dies with automated feeders, resulting in substantial time and labor savings, and developing .