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vishy-singh/README.md

Vishwajeet Singh

Software Engineer | Java | Spring Boot | Microservices | Backend Development


πŸ‘¨β€πŸ’» About Me

I am a passionate Software Engineer with 1.5 years of professional experience in backend development. My focus lies in building scalable, secure, and performance-driven applications using Java, Spring Boot, and Microservices architecture. I enjoy working on complex backend challenges like distributed data processing, real-time synchronization, and enterprise security frameworks.

I believe in writing clean, maintainable, and production-ready code that not only solves business problems but also stands the test of scalability. I enjoy collaborating with teams, exploring new technologies, and contributing to projects that drive impact.


πŸ› οΈ Tech Stack & Tools

  • Programming Languages: Java, SQL
  • Frameworks & Libraries: Spring Boot, Spring MVC, Spring Data JPA, Hibernate
  • Databases: PostgreSQL, Oracle, SAP HANA, Redis
  • Messaging & Streaming: Apache Kafka
  • Cloud & DevOps: Docker, Jenkins, Git, CI/CD, Azure
  • Monitoring & Observability: Prometheus, Grafana, Spring Actuator
  • Testing & Documentation: JUnit, Mockito, Postman, Swagger
  • Security Expertise: JWT, RBAC, 2FA, Cryptography, Secure License Validation

πŸš€ Professional Experience

Software Engineer | Maya Data Privacy | Apr 2024 – Present

At Maya Data Privacy, I am responsible for designing and developing enterprise-grade backend systems that handle massive-scale data workflows. My work involves:

  • Architecting distributed microservices in Java and Spring Boot that improved throughput by 70% and reduced processing time for 100B+ records.
  • Building REST APIs for schema scanning and PII detection across 500K+ tables, cutting manual effort by 95%.
  • Designing secure authentication frameworks with JWT, RBAC, CAPTCHA, and 2FA, blocking 95%+ unauthorized access attempts.
  • Developing real-time Kafka synchronization and backup workflows to process over 1B records with sub-second latency.
  • Integrating Prometheus and Grafana to improve system observability, reducing alert response times by 30%.

Software Engineer Intern | Maya Data Privacy | Dec 2023 – Mar 2024

  • Redesigned anonymization logic, increasing classification accuracy by 20%.
  • Enhanced backend for IBAN and credit card detection, processing millions of records securely.
  • Implemented two-step verification (CAPTCHA + OTP) for secure password resets.

πŸ“š Education

Bachelor of Technology (B.Tech) in Computer Science
Techno India University, Kolkata β€” CGPA: 8.64/10


πŸ“‚ Featured Projects

  • Distributed Microservices Platform
    Enterprise-grade data workflows reducing processing time by 98%. Technologies: Java, Spring Boot, Kafka, PostgreSQL.

  • Secure Authentication & License Validation
    Built end-to-end security with JWT, RBAC, 2FA, and RSA encryption, ensuring 100% compliance and preventing piracy.

  • PII Detection & Anonymization System
    Automated scanning of 500K+ tables to support GDPR and DPDP compliance. Technologies: Spring Boot, Oracle, SAP HANA.


πŸ† Achievements

  • Increased enterprise system throughput by 70% through distributed microservices optimization.
  • Reduced manual data classification efforts by 95% through automation.
  • Developed scalable backend workflows capable of handling 1B+ records with real-time processing.

πŸ“« Connect With Me


⭐️ I am always open to collaboration, learning, and contributing to impactful projects. Feel free to check out my repositories and connect with me!

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    Java