Courses
Learn what I've shipped in production
Practical, no-fluff courses on architecture, backend engineering, and technical leadership.
Java Fundamentals for Interviews & Production Code
Core Java done right: language foundations, OOP, collections, generics, streams, concurrency basics, and writing clean production code.
From $6 · Self-paced Intermediate to AdvancedTechnical Architecture & Design Principles
Moving from writing good code to designing good systems: SOLID in practice, architecture styles, event-driven design, data architecture, and running architecture reviews.
From $12 · Self-paced Intermediate to AdvancedSystem Design & Deployment Patterns
Scaling fundamentals, caching, database scaling, reliability patterns, and deployment strategies — with two full worked system-design walkthroughs.
From $12 · Self-paced AdvancedKafka, Messaging & Caching: Event Streaming with Redis
Kafka internals, delivery semantics, the outbox and saga patterns, the actor model with Akka, and Redis as a cache and beyond.
From $18 · Self-paced AdvancedResiliency & High-Scale Application Design
The advanced capstone: failure modes, resilience patterns, consensus, data consistency trade-offs, capacity planning, and operating resilient systems at scale.
From $24 · Self-paced Intermediate to AdvancedJava SSE Ultimate Learning Guide
A complete interview-prep lab: 138 DSA problems with an in-browser code runner, 35 LLD designs, HLD, and Java backend deep-dives.
From $9 · Self-paced Beginner to AdvancedBuild Your Own Portfolio in Go: Beginner to Expert
Learn Go from scratch and build a real, deployable personal portfolio site: html/template, plain CSS/JS, a Supabase Postgres database, and shipping it on Vercel with your own domain.
From $15 · Self-paced Intermediate to AdvancedIntegrating Payments, Courses & Bookings Into Your Portfolio (Razorpay)
Add real monetization to your site with Razorpay: selling paid courses, taking paid bookings without double-booking, server-side signature verification, and what to do yourself vs. what AI can build for you.
From $18 · Self-paced