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Sharath Kumar SSS
Open to opportunities

Sharath Kumar S

@sharathkumars

I build and lead scalable security, messaging, and full-stack product platforms.

India
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At Abnormal AI, I lead technical execution for Messaging Security and built Slack Messaging Security v2 end-to-end, spanning polling, Kafka, OAuth onboarding, scoring integrations, and remediation services.

I scaled Microsoft Teams ingestion by 100x to support 7.7M+ messages across 315K+ mailboxes, helped grow Messaging Security to 250+ customers, and led security hardening that closed approximately 16 IDOR, SSRF, and ReDoS issues. I also review architecture and code across the organization, mentor engineers, and improve operational workflows with AI-assisted tooling.

Previously at LoadShare Networks, I led full-stack, backend, frontend, DevOps, and product initiatives for TransportBook, helping scale it to 800K weekly active users. I also owned rider-app migration work, ONDC logistics technology initiatives, and a DevOps team supporting shared engineering services.

As co-founder and CTO of Blockcient, I raised ₹30L, built and led an engineering team, and shipped products including CablePay and Quantonaut. I enjoy owning product architecture through delivery while working closely with customers, partners, and cross-functional teams.

Experience

Work history, roles, and key accomplishments

Education

Degrees, certifications, and relevant coursework

Nitte Meenakshi Institute of Technology logoNT

Nitte Meenakshi Institute of Technology

Bachelor of Engineering, Computer Science

2014 - 2018

Pursued a Bachelor of Engineering in Computer Science from Nitte Meenakshi Institute of Technology, Bengaluru, from 2014 to 2018.

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