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Achievement: YOLO

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Sanjay0001748/README.md

🚀 Sanjay KC | Java Backend Developer

Specializing in scalable microservices, high-performance systems, and cloud-native development.

👨‍💻 Professional Summary

Java Backend Developer with production experience building scalable, high-performance systems using Java and Spring Boot. Expertise in microservices architecture, RESTful API development, Spring Cloud Gateway, OAuth2/JWT security, and payment integration. Successfully delivered live commercial applications handling real user traffic at 100 RPS.

🛠 Technical Expertise

  • Languages: Java, Python, SQL
  • Frameworks: Spring Boot 3, Spring Security, Spring Cloud Gateway, Spring Data JPA (Hibernate), Spring Actuator
  • Architecture: Microservices, RESTful APIs, Distributed Systems, SOLID Principles, Design Patterns, Multithreading & Concurrency
  • Databases & Messaging: MySQL, PostgreSQL, Redis, Elasticsearch; Kafka, RabbitMQ
  • DevOps & Cloud: Docker, Kubernetes, GitLab CI/CD, GitHub Actions, AWS EC2, AWS S3, Flyway
  • Testing & Tools: JUnit, Apache JMeter, Git, Maven, Postman, Linux

💼 Professional Experience

Java Backend Developer | River Engineering Technology Services

June 2025 – Present

FieldProFSM - Field Service Management & Ticketing Platform

  • Architected microservices using Java, Spring Boot, and Spring Cloud Gateway, reducing inter-service latency.
  • Integrated Razorpay payment gateway for end-to-end transaction processing and implemented JWT-based authentication with RBAC.
  • Containerized services with Docker, orchestrated via Kubernetes, and automated CI/CD pipelines on AWS.

Giffy Consumer - E-Commerce Grocery Platform

  • Owned production RESTful APIs for product catalog, user accounts, and order processing.
  • Validated 100 RPS throughput using Apache JMeter and optimized query performance with Spring Data JPA.

🚀 Projects

  • Xorva - AI-Powered Job Application Automation Platform
    • Built full-stack SaaS with Spring Boot 3 and React, utilizing Supabase and Redis.
    • Integrated Claude AI for intelligent resume matching and implemented resilience patterns with Resilience4j.
  • LinkLytics - URL Shortener & Analytics Platform
    • Engineered a scalable redirect engine sustaining 100 RPS on AWS EC2.

📈 Achievements

  • Delivered 3 production-grade applications (FieldProFSM, Giffy Consumer, Xorva) handling 100 RPS throughput.
  • Solved 75+ algorithmic problems on LeetCode covering arrays, trees, graphs, and dynamic programming.

💬 Let's Connect

Popular repositories Loading

  1. DSA DSA Public

    Java 1

  2. Sanjay_profile Sanjay_profile Public

    Config files for my GitHub profile.

  3. top100Codes top100Codes Public

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  4. Android_development_projects Android_development_projects Public

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  5. Spring_boot_projects Spring_boot_projects Public

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  6. REST_API_DEPLOY REST_API_DEPLOY Public