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I will fix your java application bugs or rest apis or kafka
Krishna
About this gig
Looking for a reliable Java backend developer? You're in the right place! I specialize in building scalable, secure, and high-performance web applications using Java, Spring Boot, Kafka, REST APIs, PostgreSQL, MySQL, React, and Microservices.
Services I offer: Java & Spring Boot development REST API development and integration Kafka producer/consumer implementation Microservices architecture Database design (PostgreSQL/MySQL) Bug fixing and performance optimization Authentication & authorization (JWT/Spring Security) Full-stack web application development API testing and documentation
Why choose me? Clean, maintainable, and scalable code Fast communication and on-time delivery Thorough testing before delivery Client-focused solutions tailored to your requirements
Whether you need a new application, backend development, API integration, Kafka messaging, or bug fixes, I'm here to help. Feel free to contact me before placing an order so we can discuss your project requirements. Good communication leads to the best results.
Get to know Krishna
Krishna
I will teach you how to code Java, SpringBoot, Sql, Kafka, Rest API
- FromIndia
- Member sinceJul 2026
- Avg. response time1 hour
Languages
Telugu, English, Hindi
Hi! I'm a Software Engineer specializing in Java, Spring Boot, REST APIs, databases, and full-stack web development. I build clean, scalable, and reliable solutions tailored to your needs. Whether it's developing a new application, fixing bugs, integrating APIs, or improving performance, I focus on quality, clear communication, and on-time delivery. I'm committed to delivering solutions that exceed expectations. Let's bring your ideas to life!
FAQ
What technologies do you work with?
I specialize in Java, Spring Boot, Kafka, REST APIs, Microservices, React, PostgreSQL, and MySQL.
Can you develop a complete web application?
es. I can build full-stack web applications, including frontend, backend, database, and API integration.
Do you fix bugs in existing projects?
Absolutely! I can debug, optimize, and improve existing Java and Spring Boot applications.
Can you integrate third-party APIs?
Yes. I can integrate authentication services, email APIs, cloud services, and other REST APIs.
Do you work with Kafka?
Yes. I can implement Kafka producers, consumers, and message processing.
Will you provide source code?
Yes. You will receive the complete source code upon project completion.
Do you sign NDAs?
Yes. I respect client confidentiality and am happy to sign an NDA if required.
Do you deploy applications?
Yes. I can ASSIST with deployment on cloud platforms or your preferred hosting environment.
What if my project doesn't fit your packages?
No problem! Contact me with your requirements, and I'll create a custom offer tailored to your project.
