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Rajib G.

Rajib G.

Senior Java Developer | Spring Boot | REST API | JavaFX | DevOps | AWS

I bring over 10+ years of expertise in Java, Spring Boot and Cloud technologies. I have consistently delivered robust, scalable, and maintainable software solutions. My passion lies in tackling complex challenges head-on and transforming them into elegant, efficient optimize code. Whether you are looking to build a new application from the ground up, optimize an existing system or solve a specific problem, I bring a wealth of experience and a results driven perspective to ensure your project's success. Let's use Java to make your vision a reality, together. Key Technologies: ✅ Java 8 to 21 ✅ Spring MVC, Spring Boot, Spring Cloud Microservices, Spring Security (JWT, OAuth 2.0) ✅ Hibernate, JPA, JDBC ✅ Restful API, GraphQL ✅ Desktop application: JavaFx ✅ Spring Batch, Scheduler ✅ Frontend: JSP, Thymeleaf ✅ Relational DB: MySQL, PostgreSQL, Oracle ✅ NoSQL DB: MongoDB, Elasticsearch ✅ DB Migration: Liquibase ✅ Asynchronous Messaging: Apache Kafka, RabbitMQ ✅ Build Tool: Apache Maven, Gradle ✅ Version Controller: Git, GitHub ✅ Testing with Junit, Mockito ✅ API Documentation: Swagger UI ✅ Architecture: Monolithic, Microservice ✅ CI/CD Pipeline: Jenkins ✅ Containerization: Docker ✅ Orchestration: Kubernetes ✅ Cloud: AWS, GCP ✅ Monitoring Tools: Log4j, Slf4j, Datadog ✅ Code Quality Tools: SonarQube, Black Duck, Harbor, SecHub Scan ✅ Performance Testing Tool: JMeter ✅ Server: Apache Tomcat ✅ Realtime Scheduler: Quartz ✅ API Integration (Office365, Twilio) ✅ Libraries: Apache POI ✅ Agile Methodologies: Jira, Confluence, Scrum, Sprint Planning, Standup, Retrospectives ✅ Business & Technical Analysis: Requirements Gathering, Risk Analysis, Technical Design, Application Modeling, Implementation Planning and Support Favorite Topics: ⭐ Problem Solving Ability. ⭐ Provide Efficient Optimized Solutions. ⭐ Maintaining Good Quality Code. ⭐ Accepted Challenges That Allows Me to Learn New Skills. ⭐ Test Driven Development. ⭐ Always Prioritize Security Aspects. ⭐ Build automation. Domain Expertise: ✅ Manufacturing ✅ E-Commerce ✅ Education Services ✅ Applicant Tracking System (ATS) ✅ Customer Relationship Management (CRM) Let’s Connect ! 🎉 If you’re looking for a dedicated backend Java developer who can deliver results, I’d love to discuss your project further. Feel free to reach out, and let’s create something amazing together! Thank You

🇮🇳Kolkata, India$10/hr100% JSS5.00 (4)Since Aug 2020

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#341,858 / 412k
🇮🇳Country#38,131 / 45.9k
Revenue, last 30 days
$0
Total earnings
$1.8k

Billed in all: $2k

World#341,858 / 412k
🇮🇳Country#38,131 / 45.9k
Per project
$366

$0 in the last 6 months

Projects, last 6 months
1

Across 2 contracts

0% fixed100% hourly
World#128,092 / 412k
🇮🇳Country#14,379 / 45.9k
Projects in all
5

Across 6 contracts

0% fixed100% hourly
World#266,042 / 412k
🇮🇳Country#33,383 / 45.9k

Earnings, last 30 days

$2kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$1,960$1,980$2,000$2,020Oct 8Oct 23Nov 7

Skills