Akash Sebastian profile photo 1 on Tal

Akash Sebastian

Security Researcher | Developer

Ernakulam

2+ years of work experience

JUSPAY
May 20251 yr 4 mosPresent

Bengaluru, Karnataka, India

Harness
Jan 20255 mosMay 2025

Bengaluru, Karnataka, India

HighRadius
Oct 20231 yr 1 moOct 2024

Hyderabad, Telangana, India

Akash’s AI Stack

antigravity
antigravity
codex
codex
cursor
cursor

Education

APJ Abdul Kalam Technological University

Master of Computer Applications - MCA

APJ Abdul Kalam Technological University

20205 yrs2025

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Headline

Security Researcher | Developer

About

I'm a security engineer who solves hard problems across cloud infrastructure, application security, AI and LLM systems, and DevSecOps. 100+ bug bounty Hall of Fame acknowledgments from Google, Netflix, Apple, Pinterest, SoundCloud, Nokia, Etsy, Mastercard and many more. Won CTF competitions at national and international levels. But honestly, the awards aren't what drive me. I'm motivated by finding vulnerabilities nobody else sees and building systems that make security work as part of how products get built. I'm comfortable doing both offensive work like penetration testing and red teaming, and defensive work like architecting security platforms and threat modeling. Recently focused on emerging threats like prompt injection and agentic systems, but solid on fundamentals too: IAM, network segmentation, vulnerability management. I've built things that move the needle. AI automation that catches and triages vulnerabilities at scale. I think about security as an engineering problem. Every control is code. Every process can be optimized. Looking for roles where I can architect security systems across the full stack and help teams build secure products from the start. If you're working on hard security problems, let's talk.

Location

Ernakulam

AI stack

antigravity

codex

cursor

Work experience

Product Security Engineer at JUSPAY, May 2025 - Present · 1 yr 4 mos, Bengaluru, Karnataka, India

Product Security Engineer at Harness, Jan 2025 - May 2025 · 5 mos, Bengaluru, Karnataka, India

Product Security Engineer at HighRadius, Oct 2023 - Oct 2024 · 1 yr 1 mo, Hyderabad, Telangana, India

Education

Master of Computer Applications - MCA, APJ Abdul Kalam Technological University

Akash Sebastian - Product Security Engineer in Ernakulam | Tal