1st lesson free
Rahul
- Rate $3
- Response 1h
$3/h
Contact
1st lesson free
- Computer programming
- Computer languages
- Java
- SQL
- PostgreSQL
I'm a professional developer with 4 years of experience and I worked on a project called internet banking which is widely used in India.
- Computer programming
- Computer languages
- Java
- SQL
- PostgreSQL
Lesson location
About Rahul
As a Java and System Design mentor, I believe teaching is not just about explaining concepts — it’s about building confidence, clarity, and long-term problem-solving ability.
I come from a strong backend and enterprise development background, working on real-world applications involving Java, Spring Boot, Microservices, Security, Payments, and scalable architectures. My experience includes designing production-level systems, implementing authentication mechanisms like FIDO2, handling high-volume data flows, and building secure, maintainable APIs.
Because of this practical exposure, I don’t teach theory in isolation. Every concept I explain — whether it’s OOP, multithreading, caching, system design, or microservices — is connected to real industry scenarios. Students learn not just how something works, but why it is used in real systems.
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About the lesson
- Elementary School
- Middle School
- High School
- +16
levels :
Elementary School
Middle School
High School
Première
Terminale
College
University
Adult Education
Masters/ Graduate School
Doctorate
Other
MBA
Early childhood education
Beginner
Intermediate
Advanced
Proficient
Autres
Children
- English
All languages in which the lesson is available :
English
I focus on concept clarity first, then real-world implementation.
I use simple analogies to explain complex topics (e.g., caching, microservices, threading).
For System Design, I use step-by-step whiteboard-style explanations (problem → constraints → architecture → trade-offs).
Regular doubt-solving and real industry examples.
Quick revision of the previous topic (5–10 mins)
Industry-oriented teaching (real backend & microservice use cases).College students (CS/IT background)
Working professionals switching to backend/system design roles
Beginners who want to build strong fundamentals in Java
Focus on writing clean, scalable, production-level code.
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Rates
Rate
- $3
Pack rates
- 5 h: $15
- 10 h: $30
online
- $3/h
free lessons
This first lesson offered with Rahul will allow you to get to know each other and clearly specify your needs for your next lessons.
- 1hrs
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