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Chandrashekar Reddy Kalwa

Chandrashekar Reddy Kalwa

LLM Data Labeling Expert | Python, SQL & NLP

INDIA flag
Warangal, India
$20.00/hrIntermediateAppenClickworkerData Annotation Tech

Key Skills

Software

AppenAppen
ClickworkerClickworker
Data Annotation TechData Annotation Tech
iMeritiMerit

Top Subject Matter

No subject matter listed

Top Data Types

Computer Code ProgrammingComputer Code Programming

Top Label Types

Computer Programming Coding

Freelancer Overview

I have solid experience in data annotation, AI training, and Python development. I previously worked for 5 months as a Python LLM Engineer at Outlier AI, where I contributed to RLHF, SFT, prompt evaluation, and high-quality data labeling for large-scale language model training. I am currently working at Turing as a Python Top Coder and Data Annotation Specialist, supporting AI/ML projects with accurate annotations, task analysis, and Python-based automation. My combined experience in LLM training workflows, Python programming, and structured data annotation enables me to deliver reliable, high-quality results for AI development tasks.

IntermediateEnglish

Labeling Experience

Labelbox

Data Annotator

LabelboxVideoText GenerationRLHF
Worked on high-quality data annotation and AI training tasks involving RLHF, SFT, and evaluation of LLM outputs. Contributed to improving model accuracy by labeling diverse datasets, reviewing model responses, writing high-quality prompts, and performing comparative judgments. Also developed Python-based scripts to streamline workflows, ensure data consistency, and improve task efficiency.

Worked on high-quality data annotation and AI training tasks involving RLHF, SFT, and evaluation of LLM outputs. Contributed to improving model accuracy by labeling diverse datasets, reviewing model responses, writing high-quality prompts, and performing comparative judgments. Also developed Python-based scripts to streamline workflows, ensure data consistency, and improve task efficiency.

2025

Education

B

Bharath Institute of Higher Education & Research

Bachelor of Technology, Computer Science

Bachelor of Technology
2021 - 2025
S

Shivani Junior College

Intermediate Education, Mathematics, Physics, and Chemistry

Intermediate Education
2019 - 2021

Work History

T

Turing

Python Top Coder

Chennai
2025 - Present
O

Outlier AI

Python LLM Engineer

N/A
2024 - 2024