Sagar S.

About Sagar S.

AI/ML Engineering and Data Science professional with 10+ years of engineering and leadership experience across Aerospace & Defense, Automotive, Electrical/Electronics, Entertainment Technology, Engineering, Industrial Standards & Regulatory compliance, Manufacturing and Logistics. Currently pursuing B.Sc. in Data Science & AI from IIT Guwahati with expertise in AI, ML, Deep learning, Data Science and Analytics. Unique blend of hands-on hardware/software, systems integration, testing, troubleshooting, and new product development with cutting-edge AI capabilities. Unique ability to bridge cutting-edge AI skills with deep engineering domain knowledge to deliver intelligent, data-driven solutions. Seeking AI/ML Engineering and Data Science roles to leverage this dual expertise to create impactful AI driven innovations.

Experience

1. Ai Llm Trainer Data Analyst Annotator

   Innodata Inc.

   Nov 2025 — Present · IN

   Creating, curating, and annotating high-quality training datasets for LLMs and generative AI models, ensuring accuracy and relevance for model fine-tuning and RLHF. Developing and validating prompt-response pairs, instruction templates, and reasoning chains based on defined guidelines. Evaluating model outputs for factual accuracy, logical coherence, and policy compliance; identifying hallucinations and biases with structured feedback. Performing data analysis to identify annotation trends, quality gaps, and workflow inefficiencies; providing insights to improve guidelines and tooling. Labeling and moderating content using taxonomy-based classification while maintaining strict data security protocols. Performing quality checks, maintaining inter-annotator agreement (IAA), and collaborating with QA teams to ensure high-quality deliverables. Following annotation guidelines, JSON/CSV formatting standards, and SLAs while contributing to workflow and tooling improvements.

Education

• Port Credit Secondary School, Mississauga ON Canada

  OSSD - Ontario Secondary School Diploma, (Physics, Chemistry, Mathematics, Computer Engineering, English)

  2007 — 2009

• Indian Institute of Technology, Guwahati

  B.Sc (Honors), Data Science & Artificial Intelligence

• Humber College

  Advanced Diploma (3 Years), Electro-Mechanical Engineering Technology (Mechatronics, Automation & Robotics)