Resources

Courses, references and tools

Short learning tracks, quick references and small utilities I use in my own day-to-day work. Most of it is free; a Pro pass adds extra depth. Pick a course, or search for what you need.

Free

Courses, references and tools are free. Book a call has a free intro and paid sessions.

A good first pick in each area.

Intermediate

RAG in 7 lessons

How retrieval-augmented generation actually works end to end - chunking, embeddings, hybrid retrieval, grounded prompting, evaluation, and the failure modes that show up in production but never in a demo.

  • 7 lessons
  • 53 min
  • Quiz every lesson
  • Runnable Python

Cheatsheets

Practical command references for Linux, macOS, Windows PowerShell, Git, Docker, kubectl, SSH, networking, Python environments, and SQL.

  • 10 sheets

Tools

Free developer tools that run entirely in your browser - command explainer, cron explainer, chmod calculator, regex tester, JWT decoder, JSON/YAML converter, LLM token/cost calculator, RAG chunking visualiser.

  • 8 tools

Courses

Structured tracks you can work through in order. Progress is saved in your browser only.

Browse all courses
Beginner

Prompting that works

A practical, model-agnostic approach to prompt engineering: how to structure a prompt, when examples help, how to get structured output you can parse, how to test a prompt before you ship it, and the cost/latency trade-offs behind your choices.

  • 5 lessons
  • 31 min
  • Quiz every lesson
Intermediate

AWS Lambda for backend devs

The execution model, real quotas, packaging and cold-start trade-offs, deploying with IaC, and how to actually debug a Lambda function in production - written for a backend engineer coming from long-running services.

  • 5 lessons
  • 36 min
  • Quiz every lesson
Intermediate

Kubernetes survival kit

Enough Kubernetes to be dangerous in a good way: the core objects, safe rollouts and rollbacks, debugging the three failures you'll actually hit, config and secrets, and autoscaling including event-driven scaling with KEDA.

  • 5 lessons
  • 37 min
  • Quiz every lesson

Reference

Look things up fast: commands, and their cross-OS equivalents.

Cross-OS lookup

One searchable table of everyday tasks - find a process, check disk usage, tail a log - with the exact command on Linux, macOS, and Windows.

  • 50 tasks

Practice

Prompts, short notes and interview material to work with.

Prompt library

20 copy-ready prompts for code review, debugging, writing, data, career, and learning tasks.

  • 20 prompts

TIL notes

Today-I-learned notes - small, specific things worth remembering.

  • 8 notes

DSA sheet

A curated problem sheet built on CSES: hint ladders, how to think, and tested solutions in C++, Python, Java and JavaScript, with an in-browser runner.

Connect

Talk to me 1:1, or connect your AI assistant to this site.

Free + paid

Book a call

Talk it through 1:1 - a free 15-minute intro, or a paid 30 or 60-minute session for a design review, career advice, or interview prep.

  • 15 / 30 / 60 min

Connect your AI assistant

A public, read-only MCP server for this site - point Claude, Claude Code, Cursor, or any MCP client at it to query the profile, projects, and writing directly.

Pro pass

Extra depth behind a Pro pass. From Rs 199 for 1 year. Plans: 1 year Rs 199, 2 years Rs 299, Lifetime Rs 999.

See plans
Beginner Pro

Leading as a GenAI Engineer

Learning notes from a working backend and GenAI engineer (not a manager) on owning AI-assisted work, reviewing code, responsibility for GenAI features, incidents, communication, burnout and leading without a title. Every claim is sourced, and opinions are labelled.

  • 8 lessons
  • 107 min

Includes a free preview.

  • Quiz every lesson
Pro

Interview prep

Notes and practice material from backend and GenAI interview loops. Premium: a free preview, with the full set on a Pro pass from Rs 199.

Includes a free preview.