About
I'm Santhosh Kumar J, a Site Reliability Engineer based in Chennai,India. Building things for the web. Passionate about DevOps, cloud infrastructure, and clean code.
Founder of SentinelFox, building security-focused developer tools. I run a homelab, contribute to open source, and write about things I'm learning.
Experience
Co-Founder@ SentinelFox Pvt Ltd
2022 – Present
Building security-focused software products and developer tools.
Senior Software Architect@ Nextwave Multimedia Pvt Ltd
2018 – 2021
Led backend development for a SaaS platform serving 10k+ users.
Full Stack Developer@ eBuilders
2017 – 2017
Built and shipped web applications using React and Node.js.
Embedded Systems Engineer@ Simple Labs
2013 – 2016
Built and shipped web applications using React and Node.js.
Certifications
Professional Data Engineer
Google Cloud · 2024 - 2026
CKA: Certified Kubernetes Administrator
The Linux Foundation · 2022 - 2025
Education
Diploma in Mechatronics
Nettur Technical Training Foundation · 2010 – 2013