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arun katkamAK
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arun katkam

@arunkatkam

AI Engineer building production-oriented GenAI systems as a freelancer, including an event-driven email assistant with classification and semantic search.

India
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As a freelance AI Engineer, I design and build production-oriented GenAI applications from problem definition through backend implementation, evaluation, deployment, and monitoring. I use structured outputs, retrieval, and API integrations to build LLM workflows.

I built an event-driven AI assistant that processes email events through webhooks, FastAPI, PostgreSQL, Celery, and Redis. Its classification workflow routes emails into five business categories and returns schema-validated results with confidence scores.

For the assistant, I also implemented semantic search over meeting transcripts using PostgreSQL and pgvector, and instrumented the pipeline with Langfuse and OpenTelemetry. I deployed it with Docker and Caddy and secured its webhooks with HMAC verification.

Earlier, I built machine-learning workflows and responsive web applications as a freelance practitioner and developer. My Datalumina Certified: AI Engineer Expert credential validates my production AI engineering specialization.

Experience

Work history, roles, and key accomplishments

FR

ML & Data Science Practitioner

Freelance

Jan 2019 - Dec 2023 (4 years 11 months)

Built end-to-end machine learning workflows covering data preparation, experimentation, model tracking, packaging, deployment, and reproducibility. Worked with MLflow, Docker, AWS, GitHub Actions, and model lifecycle practices.

IN

Freelance Frontend Developer

Independent

Jun 2015 - Dec 2018 (3 years 6 months)

Built responsive web applications with HTML, CSS, JavaScript, REST API integrations, and Git-based development workflows.

AT

Software Engineering Intern

APP2 Technologies

Jun 2014 - Jul 2014 (1 month)

Built a Java-based crawler and downloader automating web data extraction, designed and tested under mentor supervision.

Education

Degrees, certifications, and relevant coursework

DA

Datalumina

Datalumina Certified: AI Engineer Expert, AI Engineering

Certified as AI Engineer Expert, validating production-level AI engineering specialization.

ST

Sreyas Institute of Engineering & Technology

Bachelor of Technology, Computer Science Engineering

Bachelor of Technology in Computer Science Engineering, completed in 2015.

University of Helsinki logoUH

University of Helsinki

Elements of AI, Artificial Intelligence

Completed the Elements of AI certification.

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