Java Developer | Core Java & Full Stack

Building quality-assured Java software from requirements to production.

I am Sanjay K C, a Java Developer with 1+ year of experience across SDLC, Core Java, Spring Boot, REST APIs, software validation, documentation, and client-deployed cloud-native solutions.

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Practical engineering with strong SDLC discipline.

I focus on software that is understandable, testable, documented, and ready for real client use.

Professional Summary

Java Developer experienced in designing, developing, testing, and maintaining high-quality software solutions deployed at client end. Skilled in converting requirements into feasible designs, performing root cause analysis, writing test cases, validating software, and reporting project status across Agile delivery.

What I bring

  • Core Java, OOP, Collections, Multithreading, Java 8, SOLID, and design patterns.
  • Spring Boot 3, Spring MVC, Security, Data JPA, REST APIs, API Gateway, and microservices.
  • QA mindset with JUnit, Mockito, JMeter, debugging, bug tracking, and formal documentation.

Experience

Client-facing Java development work with delivery, validation, documentation, and production ownership.

June 2025 - Present

Java Developer

River Engineering Technology Services

  • Built client-deployed Java software by studying information needs, system flow, data usage, and work processes, then converting requirements into feasible SDLC-driven designs.
  • Designed and executed test cases using JUnit and Mockito, performed root cause analysis, resolved bugs, and improved software quality and reliability.
  • Modified software for performance, interface changes, and capability upgrades while maintaining specifications, activity notes, and status reports.
  • Coordinated daily project status with team members and project managers while supporting professional customer communication across channels.
Live Product Work

FieldProFSM & Giffy Consumer

Production software solutions

  • Delivered FieldProFSM as a client-deployed field service management solution meeting quality assurance expectations.
  • Supported Giffy Consumer, live on Google Play, with test scenario design, production issue analysis, and Apache JMeter validation for 100 RPS throughput.

Featured Projects

Full-stack and backend-focused Java work across cloud-native delivery, analytics, QA, and production readiness.

Client Deployed

FieldProFSM

  • Production field service management software built through requirement analysis, system-flow design, and SDLC execution.
  • Included test case design, validation, performance improvements, bug fixes, documentation, and status reporting.
Java Spring Boot JUnit SDLC
Google Play

Giffy Consumer

  • Quality-assured Java software with root cause analysis for production issues and Agile collaboration with functional teams.
  • Validated 100 RPS throughput using Apache JMeter and supported smooth, on-time delivery through documentation and feedback loops.
Java Mockito JMeter QA
Full Stack

Xorva

  • Full-stack Java solution using Spring Boot 3 and ReactJS, with system-flow design, client proposal ownership, and implementation.
  • Integrated OAuth2, Stripe, Resilience4j, and GitHub Actions CI/CD for a cloud-native digital transformation workflow.
Spring Boot 3 ReactJS OAuth2 CI/CD
Analytics

LinkLytics

  • Java software utility and analytics platform designed, developed, tested, and documented with Spring Boot and ReactJS.
  • Applied JUnit/Mockito coverage, root cause analysis, and cloud infrastructure validation for 100 RPS production throughput.
REST APIs ReactJS Cloud Analytics

Technical Skills

A focused Java backend foundation with full-stack delivery, testing, cloud, messaging, and documentation experience.

Core Java & Programming

Core Java, OOP, Collections, Multithreading, Design Patterns, SOLID Principles, Java 8, Exception Handling, Python, C, C++.

Frameworks & APIs

Spring Boot 3, Spring MVC, Spring Security, Spring Data JPA, Hibernate, REST APIs, Microservices, API Gateway, Spring Cloud Gateway.

QA & SDLC

Software solution design, root cause analysis, quality assurance, test case design and execution, validation, bug tracking, debugging, code reviews.

Tools & DevOps

Git, Maven, JUnit, Mockito, Apache JMeter, Postman, Docker, Kubernetes, GitLab CI/CD, GitHub Actions.

Data & Messaging

MySQL, PostgreSQL, Redis, Elasticsearch, Kafka, RabbitMQ, data modeling, caching, indexing, and event-driven workflows.

Cloud & Documentation

AWS, GCP, technical documentation, flowcharts, software specifications, project status reports, code comments, and client requirement documentation.

Achievements

Measurable proof of delivery, quality ownership, and problem-solving discipline.

2 Live client-deployed Java software solutions delivered with full SDLC ownership.
100% Quality assurance parameters met across production delivery and validation work.
75+ DSA problems solved on LeetCode, strengthening algorithmic and Core Java fundamentals.

Education

B.E. in Electronics & Communication Engineering from The National Institute of Engineering, Mysuru, completed June 2025.

Let us build dependable Java software.

I am open to Java Developer, Backend Developer, and Full Stack Java roles where SDLC discipline, quality assurance, and production delivery matter.

sanjaykcarya@gmail.com +91 9611194682
LinkedIn GitHub LeetCode Bengaluru / Mysore, India