I will build enterprise java backend systems


About this gig
Secure, scalable, and maintainable enterprise Java backend systems using Spring Boot, following industry-proven architecture and security best practices. My focus is on building backend solutions that are reliable, extensible, and ready for real-world production environments.
Whether you are building a new backend from scratch or improving an existing system, I help you design a clean, well-structured backend that supports long-term growth and evolving business requirements.
What I Deliver
- Enterprise-grade backend development using Java & Spring Boot
- Secure RESTful API design with proper versioning
- Authentication and authorization (JWT, OAuth2, role-based access control)
- Layered or clean architecture for long-term maintainability
- Microservices-ready or modular monolith designs
- Database integration using JPA/Hibernate
- Centralized exception handling and validation
- Performance-optimized and production-ready code
- Clean, readable, and well-documented source code
I do not offer unrealistic promises or shortcuts. My goal is to deliver stable, secure, and production-ready backend systems that you can confidently build upon.
Get to know Bhushan B
Lead Java Developer, Reliable Spring Boot backends for business critical systems
- FromIndia
- Member sinceJul 2016
- Avg. response time1 hour
- Last delivery1 year
Languages
Hindi, English
My Portfolio
Other Software Development Services I Offer
FAQ
What type of backend systems do you develop?
I develop enterprise backend systems such as business applications, internal tools, APIs, microservices, and system integrations using Java and Spring Boot.
Which Java and Spring versions do you use?
I typically work with modern Java versions (Java 17 / 21) and Spring Boot 3.x, following current industry best practices.
How do you ensure application security?
I follow secure coding practices and implement authentication, authorization, input validation, exception handling, and data protection mechanisms as per project needs.
Can you work with existing or legacy systems?
Yes. I can enhance, refactor, or modernize existing Java backend systems and migrate older Spring or legacy applications to newer versions.
Do you support database and third-party integrations?
Yes. I can integrate relational databases (MySQL, PostgreSQL, Oracle) and external REST APIs or internal services.
Will I receive the complete source code?
Yes. You will receive complete, well-structured source code with basic documentation for easy maintenance and future enhancements.
What information do you need to get started?
A brief description of your requirements, system scope, preferred architecture, and any security or compliance needs.
20 reviews for this Gig
| (19) | ||
| (0) | ||
| (1) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
M 
mattfaust
Repeat Client

United States
I am a experienced C# developer that wanted to start learning Java, I hired Bhushan to help me take a project I had started to next level, and he did that while being very patient with my numerous questions as I was learning. His pricing was very fair, and I would recommend him highly.
$50-$100
Price
3 days
Duration
Helpful?S 
studio228

United States
Great communication, professional Java dev... highly recommended!
Helpful?O olassane

Burkina Faso
Wonderful job
Helpful?M mnsh_pv1

India
It was great working with Bhushan and helped me with my work which was given in a very tight schedule. love to work with him again and again.
B 
Seller's Response
Helpful?H hildaizz

Palestinian Territories
The best well recommended
Helpful?
20 reviews for this Gig
| (19) | ||
| (0) | ||
| (1) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
M 
mattfaust
Repeat Client

United States
I am a experienced C# developer that wanted to start learning Java, I hired Bhushan to help me take a project I had started to next level, and he did that while being very patient with my numerous questions as I was learning. His pricing was very fair, and I would recommend him highly.
$50-$100
Price
3 days
Duration
Helpful?S 
studio228

United States
Great communication, professional Java dev... highly recommended!
Helpful?O olassane

Burkina Faso
Wonderful job
Helpful?M mnsh_pv1

India
It was great working with Bhushan and helped me with my work which was given in a very tight schedule. love to work with him again and again.
B 
Seller's Response
Helpful?H hildaizz

Palestinian Territories
The best well recommended
Helpful?

