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Arun KumarAK
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Arun Kumar

@arunkumar64

Agentic AI engineer and Tulifo co-founder who took Xiya, an autonomous voice agent, from blank repo to production in 3 months.

India
Message

At Tulifo, I designed and built Xiya, an autonomous interview agent that plans sessions, calls tools, retrieves candidate and job data, and scores answers while leaving the final decision to a person. I took the platform from a blank repo to production in three months.

I rebuilt Xiya’s voice pipeline around streaming, turn detection, and interruption handling, reducing silence from 2–3 seconds to natural turn-taking. I also shipped six products on one model family and support candidates in any language.

I own model strategy at Tulifo, using in-house models for follow-ups, scoring, and guardrails alongside Claude and OpenAI. I fine-tuned Chittu Guard and trained Chittu Story from scratch; both were released with model cards.

Earlier, I consulted for startups and worked with M2’s stablecoin team. At Watermark Insights, I managed a 45-person engineering organisation and later architected its Student Learning & Licensure platform migration to AWS microservices.

Experience

Work history, roles, and key accomplishments

WI

Technical Architect

Watermark Insights

Aug 2021 - Oct 2022 (1 year 2 months)

Architected the Student Learning & Licensure platform and led its move from a monolith to microservices on AWS, achieving +40% peak performance and -30% security vulnerabilities.

LT

Ruby on Rails Developer to Senior Software Engineer

Lister Technologies

Jan 2011 - Jun 2012 (1 year 5 months)

Built the Rosetta Stone language-learning platform at Lister Technologies. Earlier roles at mobile-worx and 360 Degree Interactive involved building mobile ad networks and Rails web apps.

DI

Ruby on Rails Developer

360 Degree Interactive

Aug 2008 - Dec 2009 (1 year 4 months)

Developed Rails web applications.

Education

Degrees, certifications, and relevant coursework

Indian Institute of Management Bangalore logoIB

Indian Institute of Management Bangalore

General Management Programme, General Management

Completed the General Management Programme at IIM Bangalore.

Birla Institute of Technology and Science, Pilani logoBP

Birla Institute of Technology and Science, Pilani

Master of Science, Software Systems

Earned a Master of Science in Software Systems from BITS Pilani.

GE

Government College of Engineering

Bachelor of Engineering, Electronics and Communication

Earned a Bachelor of Engineering in Electronics and Communication.

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