Summary

Overview

Work History

Education

Skills

TOOLS

HOTEL MANAGEMENT PORTAL

TECHNICAL HIGHLIGHTS

PROJECTS

Timeline

Deepak Kumar Sahu

Bengaluru

Summary

"Results-driven Java Backend Developer with 3.3+ years of experience in designing and optimizing high-performance applications using Java, Spring Boot, and Microservices. Skilled in building secure, scalable APIs, improving database efficiency, and implementing robust authentication using OAuth2 and JWT. Strong background in Agile development with a focus on delivering reliable and scalable solutions."

Overview

3

3

years of professional experience

Work History

Java Developer

cerulean information technology pvt ltd

Bengaluru

12.2021 - Current

Backend Development: Proficient in Java 8+, J2EE, and Spring Boot for building scalable backend applications. Skilled in developing secure RESTful APIs using DTO patterns and Spring MVC.
Microservices & Architecture: Experienced in designing scalable microservices using Spring Cloud (Eureka, Feign, Config Server) and ensuring efficient service communication.
Database Management: Strong in MySQL and PostgreSQL with expertise in writing optimized queries, indexing, and caching for performance improvement.
Security & Authentication: Hands-on experience with OAuth2, JWT, RBAC, and securing communication through API Gateway.
Deployment & Automation: Automated builds and deployments using Maven and configured environment-specific properties with Spring Profiles.
Testing & Debugging: Proficient in writing unit and integration tests with JUnit, Mockito, and ensuring code quality with structured error handling.
Agile & Collaboration: Experienced in Agile (Scrum & Kanban), working in cross-functional teams, and driving sprint deliveries.
This version is more streamlined but still covers all critical areas. Let me know if this works! 😎4o

Education

Bachelor of Computer Applications -

Berhampur University

Odisha

Skills

Core Java
Java 8
J2EE
Multithreading
OOP
Spring Boot
Spring MVC
Spring Security

Spring Cloud
Microservices (Eureka, Feign, Config Server)
RESTful APIs
DTO Patterns
API Gateway
JWT, OAuth2
Agile & Scrum methodology

TOOLS

Git&GitHub
Maven
Docker
IntelliJ IDEA, Eclipse, VS Code
JUnit
Postman
Swagger

HOTEL MANAGEMENT PORTAL

Duration: 3.3 Years
Team Size: 8
Process: Agile Scrum
Technologies: Core Java, Spring Boot, Spring Security, Hibernate JPA, RESTful APIs
Architecture: Implemented MVC for scalability and maintainability
Development Approach: Designed and implemented a microservices architecture

TECHNICAL HIGHLIGHTS

Developed and optimized RESTful APIs using Spring Boot and Spring MVC.
Enhanced database performance by 25% with caching and indexing.
Secured communication using JWT, OAuth2, and API Gateway.
Deployed scalable microservices using Spring Cloud for service discovery and communication.
Implemented asynchronous processing using CompletableFuture to enhance responsiveness.
Automated builds using Maven and configured environment-specific properties with Spring Profiles.
Conducted testing with JUnit, Mockito, and documented APIs using Swagger.
Integrated Redis for efficient session management and caching.
Optimized query execution using Hibernate Criteria and native SQL for complex data retrieval.

PROJECTS

Hotel Management System (HMS) – Cerulean Information Technology Pvt. Ltd.

Developed a scalable backend handling 5,000+ concurrent user requests with Spring Boot and Spring Cloud.
Built a dynamic pricing engine that adjusted rates based on demand, increasing revenue by 18%.
Integrated secure payment gateways and enabled real-time booking confirmation.
Enhanced service discovery and communication efficiency using Spring Cloud and structured API responses.
Reduced booking failure rate by 20% through improved error handling and optimized API response times.

Timeline

Java Developer

cerulean information technology pvt ltd

12.2021 - Current

Bachelor of Computer Applications -

Berhampur University