Courses

Learn from real enterprise projects.

Hands-on courses built from 7+ years of Java backend experience across global banking and fintech systems. Every lesson is grounded in real production code — not toy examples.

Courses

Years XP

Java 11

Primary Stack

Real

Project Code

Available Now

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Credit Score Analysis Tool — Enterprise Java Deep Dive

Real project from a leading Swedish bank (Swedbank)

New

A complete walkthrough of a production-grade Credit Score Analysis microservices platform built for a Swedish banking client. Understand exactly how enterprise Java systems are architected, secured, and deployed — from Kafka-driven real-time pipelines to OAuth 2.0 token flows through Spring Cloud Gateway. This is the kind of project that gets you through senior-level Java interviews.

Module 1 — Project introduction & architecture overview
Module 2 — Microservices deep dive (4 core services)
Module 3 — Kafka real-time credit score pipeline
Module 4 — OAuth 2.0 + Spring Cloud Gateway security
Module 5 — Redis caching strategies (@Cacheable, @CachePut)
Module 6 — GDPR compliance & AES-256 data masking
Module 7 — CI/CD with Jenkins + Docker + Kubernetes
Module 8 — Interview Q&A — 40+ real questions answered

Java 11Spring Boot 2.5Apache Kafka RedisSpring Cloud GatewayOAuth 2.0 MySQLDockerKubernetes JUnit + MockitoSonarQubeSplunk

8 ModulesIntermediate – SeniorPDF + Video + Quiz

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Enterprise Project 2 — Backend Architecture Masterclass

Second real-world enterprise client system

New

The second enterprise project walkthrough covering a different domain and architecture pattern. Explore how large-scale backend systems are designed differently based on business requirements — including source code walkthrough, real interview questions, and hands-on quizzes.

Module 1 — Project context & business domain
Module 2 — Architecture decisions explained
Module 3 — Code walkthrough (GitHub)
Module 4 — Interview Q&A — 30+ real questions

JavaSpring BootMicroservices REST APIsEnterprise Patterns

4 ModulesIntermediate – SeniorPDF + Video + Quiz

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Coming Soon

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Java 17 + Spring Boot 3 — Modern Enterprise Upgrade Guide

Migrating production systems to the modern Java stack

Coming Soon

A practical guide to upgrading enterprise applications from Java 11 + Spring Boot 2.x to Java 17 + Spring Boot 3.x — covering records, sealed classes, virtual threads, and the new Jakarta EE namespace migration.

Java 17Spring Boot 3Virtual ThreadsJakarta EE

In Development

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Google L5 Java Interview Prep — DSA + System Design

From 0 to L5 — a structured 24-month roadmap

Coming Soon

A comprehensive interview preparation course covering Data Structures & Algorithms, System Design, Behavioral rounds, and Java deep dives — structured around a realistic 24-month plan for targeting Google L5.

DSA in JavaSystem DesignBehavioral STARGoogle L5

In Development

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"These aren't made-up projects — they are real systems I built for real banks. The interview questions are the exact ones I was asked and the ones I prepared for my team. If you are preparing for a senior Java interview, this is the closest you can get to the real thing."

— Vipul Kumawat, Senior Software Engineer @ EPAM Systems