01
Backend Engineering
- JavaPrimary
- Spring BootPrimary
- Spring Security
- Hibernate / JPA
- REST APIs
- Maven
◆ Building Digital Solutions
Building Modern Web & App Products.
I design and build decentralized applications, smart contracts, and Web3 products that are secure, scalable, and user-friendly.
01/02
Clients & brands I've worked with
strategy
fable
gym-master
snapfix
Zuplo
Clicktex
redash
ptly
[03] About · Who I Am·PROFILE · FULL STACK
Available for projects
About Me
From Ideas to Production-Ready Applications
Building Scalable Software
Developer Profile
Java Full-Stack Developer with 2+ years of experience building scalable backend systems and modern web applications
I work across Java, Spring Boot, PostgreSQL, React, Next.js, Docker, cloud platforms, and JUnit to deliver secure, maintainable, production-ready software
Experience
Software Engineer at Rubrik Java Full-Stack Developer · Backend Engineering · Distributed Systems
Engineering Focus
Focused on backend architecture, APIs, databases, authentication, performance, and scalable systems
Technology Stack
JavaSpring BootReactNext.jsREST APIsPostgreSQLDockerAWSJUnit
Available for projects
My Full-Stack Engineering Stack
Technologies I Build With.
A production-focused stack covering backend systems, frontend applications, databases and cloud infrastructure.
[6]
02
Frontend Engineering
- ReactPrimary
- Next.js
- TypeScript
- JavaScript
- Tailwind CSS
03
Database & Data
- PostgreSQLPrimary
- MySQL
- MongoDB
- Redis
04
Cloud & AWS
- AWSPrimary
- EC2
- S3
- DockerPrimary
- Render / Vercel
05
Architecture & Messaging
- KafkaPrimary
- Microservices
- Event-Driven Architecture
- Caching
- System Design
06
DevOps
- DockerPrimary
- GitHub Actions
- Linux
- CI/CD
07
Tools & Testing
- Git
- GitHub
- Postman
- JUnit
- Mockito
- Swagger / OpenAPI
08
Web3 Experience
- Solidity
- Ethereum
- Hardhat
- Ethers.js
Featured Projects
Java Systems. Real Engineering Depth.
Three focused builds spanning microservices, transaction integrity, and multi-tenant SaaS architecture.
Java / Banking / FinTech
Growfi
Java 17Spring BootSpring Data JPA
Growfi
A transaction processing system built around double-entry accounting, idempotent transfers, and consistency-safe persistence.
Java 17Spring BootSpring Data JPAPostgreSQLKafka+1
Java / SaaS / Full-Stack
gym-master
Java 17Spring BootSpring Security
gym-master
A multi-tenant SaaS platform for gyms and trainers to manage members, workout plans, subscriptions, and role-based access.
Java 17Spring BootSpring SecurityJWTOAuth2+4
Java / FinTech / Microservices
strategy-tune
Java 17Spring BootSpring Cloud Gateway
strategy-tune
A distributed stock trading platform with independent order, inventory, payment, and notification services connected through event-driven workflows.
Java 17Spring BootSpring Cloud GatewayKafkaPostgreSQL+3
[05] Client Testimonials·Full-Stack · Backend · Web3
◆ Client Testimonials
What Clients Say About Working With Me.
→ Real feedback from clients and collaborators across full-stack development, backend systems, Web3 products and digital platforms.
SC
“Ketan delivered our backend and full-stack features ahead of schedule with strong code quality and attention to detail. Technically strong, reliable, and great ownership.”
MW
“The application he built is fast, stable, and well-structured. His approach to API design, security, and backend reliability was excellent.”
PP
“From architecture to deployment, Ketan made the development process smooth and organized. Highly recommended for Java and full-stack application development.”
AS
“Ketan is a very good programmer and a hardworking person. He makes sure all deadlines are met with the best quality.”
MA
“Ketan consistently demonstrated strong work ethic and a drive for quality. His attention to detail in backend logic, API development, and application architecture is impressive.”
AF
“Great pleasure working with Ketan — humble, dedicated, and a fantastic team player. His commitment brought real value to our projects.”
Have a project in mind?
Let's turn your idea into a reliable, scalable product.
[06] Engineering Notes·Java · Backend · Web3
◆ Engineering Notes
Ideas, Builds & Engineering Insights.
→ Practical articles on Java, Spring Boot, backend systems, full-stack development, cloud infrastructure and Web3 engineering.
Spring Boot
FeaturedBuilding a Secure REST API with Spring Boot
A practical guide to structuring secure, maintainable Spring Boot APIs with clear boundaries for validation, authentication, persistence, and errors.
Sep 07, 2026 8 min read
Read Article 
Backend
Kafka vs REST: When to Use Event-Driven Architecture
A decision framework for choosing synchronous APIs or asynchronous events when services need to coordinate without becoming tightly coupled.
Aug 29, 2026 6 min read
Read Article 
DevOps
Dockerizing a Spring Boot + React Application
A practical container strategy for keeping a React frontend, Spring Boot service, and database consistent from local development to deployment.
Aug 15, 2026 7 min read
Read Article