Senior Software Engineer with 9+ years of experience across IBM i modernization, Node.js, TypeScript, APIs, DevOps, and AI-assisted development.
I enjoy working at the intersection of legacy enterprise systems and modern software engineering — especially where Node.js, TypeScript, IBM i, automation, and Generative AI come together.
- 🔭 Building open-source tools around IBM i, developer productivity, and modernization
- 🤖 Exploring AI-first development workflows, LLM-assisted coding, and better context engineering
- ⚙️ Working with Node.js, TypeScript, JavaScript, IBM i, RPGLE, Db2, APIs, Git, CI/CD, Docker, and VS Code
- 🧠 Interested in making large legacy codebases easier to understand, modernize, and work with
- 👥 Open to collaborating on interesting IBM i, Node.js, modernization, AI, and developer-tooling projects
- 💬 Ask me about Node.js, IBM i, RPGLE, Git, APIs, modernization, and developer tooling
- 📫 Reach me at: sagartyagi.tyagi@gmail.com
An IBM i operations and monitoring application focused on making system health, jobs, alerts, logs, and operational information easier to view and manage through a modern interface.
Built around modern technologies including TypeScript and Electron.
A project I’m currently building around simplifying attendance and day-to-day workflow management with a modern application experience.
A real-world retail project where I’m building and experimenting with technology around my store operations and online presence.
🌐 Open-source writing and experiments
oss.hashnode.dev
📘 Learn AS400 / IBM i
learn-as400.netlify.app
🏆 IBM Champion 2023 2024 2025 🌟 IBM Fresh Face — Verified Credential
When I'm not coding, I'm usually spending time with my 2.5-year-old son or relaxing in the garden pretending I know exactly what every plant needs. 🌱