technorage

Deepu K Sasidharan

Developer Advocate · Polyglot engineer · Local AI tinkerer · Open source enthusiast · Java Champion

Utrecht, Netherlands deepu.k.sasidharan@gmail.com deepu.tech
GitHubGitHub: deepu105 LinkedInLinkedIn: deepu05 Dev.toDev.to: deepu105 XX: deepu105 Speaker DeckSpeaker Deck: deepu105

Summary

Tinkerer and builder. Polyglot software engineer with 16+ years across engineering, developer advocacy, solution architecture, and enterprise consulting, the last 6+ in developer relations. Open-source aficionado and community leader focused on local AI, AI agents, DevOps, Rust, and Java.

  • Principal Developer Advocate at Okta (Auth0), leading developer relations for Auth0's identity products for AI agents.
  • Creator of LlamaStash (local LLM orchestrator), KDash (a Kubernetes dashboard in Rust), and JDL Studio.
  • Running local LLMs as a daily driver for agentic coding, and building and writing about local AI, AI agents, and secure agent authorization (OAuth2/OIDC, Zero Trust).
  • Co-chair and vice-president of JHipster, an award-winning open-source app development platform for modern Java and JavaScript; co-lead since 2015.
  • Java Champion (2022) and author of Full Stack Development with JHipster (two editions, Packt).
  • Deep expertise in Java/Spring, Rust, and TypeScript, with a focus on cloud-native, DevOps, DevSecOps, and identity.
  • Founder of the Technorage blog (20k+ monthly views) and an international conference speaker with 80+ talks (Devoxx, Spring I/O, and more).
  • Mobile development with Android (Kotlin), React Native, and PWAs.

Experience

Principal Developer Advocate · Okta (Auth0)

Oct 2021 – Present · Netherlands
  • Developer advocate for Okta and Auth0, now leading developer relations for Auth0's identity products for AI agents: docs, quickstarts, samples, events, and content.
  • Built Assistant0, a sample AI assistant on Auth0, and the Token Vault CLI for AI agents.
  • Took developer feedback back to product and engineering and drove UX and DX changes.
  • Progressed from Senior to Staff to Principal Developer Advocate, focusing on identity, AI agents, DevOps, Java, and Rust.

Creator & Maintainer · LlamaStash

May 2026 – Present · Open source
  • Built a TUI, CLI, daemon, and OpenAI-compatible proxy for running local LLMs on llama.cpp, vLLM, SGLang, and many other backends, in one Rust binary.

Co-chair & Vice-President · JHipster

Apr 2015 – Present · Open source
  • Co-chair, vice-president, co-lead, and core maintainer of JHipster. Creator of JDL Studio and several plug-in modules; co-creator of JHipster Online and JHipster Registry.
  • Led the Angular and React implementations and built the blueprint/plug-in mechanism and Node.js CLI among others. Owned roadmap, releases, triage, and contributor mentoring as co-lead. Currently co-chair and vice-president, focusing on community, governance, and strategy.

Senior Developer Advocate · Adyen

Mar 2020 – Sep 2021 · Amsterdam
  • Improved the experience of developers using Adyen's payments APIs through content, SDKs, examples, developer events, documentation, and product evangelism.

Principal Developer · XebiaLabs

Nov 2016 – Feb 2020 · Hilversum
  • Built a SaaS DevOps intelligence product: microservice backend and API gateway with Spring, gRPC, and JHipster, plus rich React/TypeScript/D3 visualizations.
  • Built cloud-native solutions and blueprints for AWS, GCP, and Azure using Kubernetes, Terraform, and Go, along with product advocacy and CI/CD pipelines.

Software Solution Designer · Tata Consultancy Services

Mar 2010 – Sep 2016 · Singapore & Chennai
  • Solution designer and airline consultant on an enterprise solutions and pre-sales team, owning winning proposals (RFP/RFQ/RFI) and solution and technical architecture for enterprise applications.
  • Technical lead and architect for a multi-tier Java airline web app (Spring, Angular, Oracle); built a patent-pending real-time flight-monitoring solution on AWS and led a team of 8+.
  • Earlier roles as business analyst, project manager, and J2EE developer: PSS migration from TPF to Amadeus, EMD migration, and full-lifecycle web application development.

Selected open-source projects

LlamaStash — TUI + CLI for running local LLMs via llama.cpp.
pi-automode-classifier — Auto mode for Pi, with a local decision model.
KDash — A Kubernetes terminal dashboard, in Rust.
JHipster — Full-stack application generator for modern web apps.
JDL Studio — Visual editor for the JHipster Domain Language.
Assistant0 — AI assistant that calls OAuth2 services via Auth0.
Token Vault CLI — Use Auth0 Token Vault from AI agents.

Education

B.E. in Electrical & Electronics Engineering

Anna University, Chennai, India

Completed Jun 2009

Languages

  • English
  • Hindi
  • Malayalam
  • Tamil
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