Full-Time • Freelance • Open to Work

Krishna Tiwari

Java Developer |Spring Boot | Microservices | MySQL

4+ years of experience building scalable enterprise applications with modern technologies and best practices.

4+
Years Exp.
15+
Projects
100%
Success Rate
Application.java
@SpringBootApplication public class Application { public static void main() { SpringApplication.run(); } }

About Me

Experienced Java Developer with 4+ years of expertise in building scalable backend systems, microservices, REST APIs, and data-driven enterprise software.

Strong in Spring Boot, SQL optimization, microservices architecture, debugging, and testing (JUnit, Mockito).

Works across the full stack when needed (Java, Go, Angular). Hands-on experience delivering high-quality software in Agile teams.

Available for Full-Time & Freelance

Full-Stack Expertise

Java, Spring Boot, Go, Angular

Performance Focused

SQL optimization & scalability

Agile Collaboration

Team-driven development

Quality First

Testing & best practices

Work Experience

4+ years of professional experience building enterprise applications

Software Developer

HostBooks Pvt. Ltd

Jan 2025 – Present
Gurgaon, Haryana
  • Full-stack development using Java (Spring Boot) and Go
  • Designed REST APIs & microservices for enterprise applications
  • MySQL & MongoDB schema design and query optimization
  • CI/CD pipeline management with Git and automated testing
  • Reporting module: Ledger, P&L, Balance Sheet APIs with complex SQL joins

Java Developer

EBC Technologies

Aug 2024 – Jan 2025
Lucknow, Uttar Pradesh
  • Java + Spring Boot backend services for legal tech platform
  • CaseStatus — High Court case tracking system with real-time updates
  • API integration with government databases and third-party services
  • Performance optimization and data flow improvements
  • Implemented caching strategies to reduce API response times

Software Developer

Gateway2IT Pvt. Ltd

Jun 2021 – Aug 2024
Varanasi, Uttar Pradesh
  • Built scalable Java applications with Spring Boot framework
  • Developed REST APIs and microservices architecture
  • MySQL database optimization and complex query design
  • Debugging and unit testing with JUnit and Mockito
  • Collaborated with cross-functional teams in Agile environment

Featured Projects

Showcase of enterprise applications and scalable solutions

WavePay Platform

Cloud-based payment system with webhooks and automated invoicing

Java 17 Spring Boot MySQL +3

HB Accounting

Microservices-based accounting product with dynamic reporting

Java Spring Boot Go +2

EHS Health Clinic

Hospital billing and healthcare workflow management system

Java 8 Spring Boot Angular +2

Technical Skills

Comprehensive tech stack for building scalable enterprise applications

Languages & Backend

Java 17 Spring Boot Spring Framework Hibernate JPA Go

Databases

MySQL MongoDB SQL Optimization Database Design

Tools & DevOps

Git Maven Docker Postman Insomnia JIRA SonarQube

Testing

JUnit Mockito Integration Testing Unit Testing

Architecture & Concepts

Microservices REST APIs WebSockets Logging CI/CD Agile

Core Competencies

4+
Years Experience
15+
Technologies
100%
Project Success

Download My Resume

Get a comprehensive overview of my experience, skills, and projects. Perfect for recruiters and hiring managers.

Download Resume (PDF)
Java
Expert
Spring Boot
Expert
MySQL
Expert
Microservices
Expert

Get In Touch

Available for full-time opportunities and freelance projects

Let's Work Together

I'm currently available for full-time roles and freelance projects. Whether you need a backend developer, want to discuss a project, or just want to connect, feel free to reach out!

Open to Opportunities

Full-time positions, contract work, and freelance projects welcome.