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Priyanshu Kumar

@priyanshukumar16

AI/LLM post-training software engineer at Ethara AI improving response quality through RLHF, SFT, and evaluation workflows.

India

Message

What I'm looking for

I'm seeking Data Analyst or Data Engineering roles where strong SQL, Python, and analytical rigor drive measurable impact.

At Ethara AI, I review and validate model-training data, delivering 75%+ quality-compliant outputs against client and project guidelines. I also work on RLHF and Supervised Fine-Tuning data workflows and refine prompts and evaluation criteria to improve LLM response accuracy and consistency.

As a Research Intern at Indian Institute of Technology (IIT) Roorkee, I built and automated a deep-learning pipeline for seismic image analysis, improving fault-detection accuracy by 30%+ across 10,000+ samples. I also processed and prepared seismic images for analysis, and fine-tuned models to reach 92% accuracy while reducing training time by 20%.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer (AI / LLM Post-Training)

Current

Ethara AI

Dec 2025 - Present (11 months)

Reviewed and validated large volumes of model-training data, delivering 75%+ quality-compliant outputs. Performed RLHF and SFT workflows to improve LLM response quality and mentored 40+ team members.

Data Quality RLHF Supervised FineTuning LLM Prompt Engineering Mentorship

Research Intern

Indian Institute of Technology (IIT) Roorkee

Dec 2024 - Apr 2025 (4 months)

Built and automated a deep-learning data pipeline for seismic image analysis, improving fault-detection accuracy by 30%+. Processed and cleaned 10,000+ seismic images and fine-tuned multiple deep learning models.