Saurav Kumar
Bulandshahr
Summary
Results-driven Java Backend Engineer with over 3+ years of hands-on experience in developing robust RESTful applications, relational data models, and containerized deployments using Spring Boot and AWS. Expertise in designing scalable API layers, implementing stringent security controls, and integrating both relational and NoSQL databases while applying microservices patterns. Proficient in leveraging event-driven communication through Kafka and enhancing service resilience with Resilience4j. Committed to delivering high-quality backend systems that prioritize clean architecture and operational observability, ensuring optimal performance and reliability.
Overview
3
3
years of professional experience
1
1
Certification
Work History
Backend Engineer - Product Development
Independent Employer
03.2025 - Current
- Architected and delivered two backend systems - a monolithic full-stack application and a service-oriented platform - taking full ownership from design through cloud deployment.
- Designed RESTful API layers with layered architecture (Controller → Service → Repository), input validation, pagination, and structured error responses.
- Secured all application endpoints using JWT authentication and OAuth2-based role authorization, following RBAC access patterns.
- Orchestrated asynchronous order and notification workflows through Apache Kafka event pipelines, decoupling core service operations.
- Strengthened service-level reliability by applying Resilience4j circuit breaker and retry strategies across inter-service calls.
- Containerized services with Docker and provisioned cloud deployments on AWS EC2 and Elastic Beanstalk with environment-level configuration.
- Configured runtime observability using Prometheus metrics collection and Grafana dashboards for real-time service health monitoring.
Software Engineer
HCLTech
10.2022 - 03.2025
- Built Spring Boot REST APIs supporting enterprise-grade internal workflows, handling CRUD operations and business logic layers backed by PostgreSQL and MySQL.
- Structured JPA entity models and transactional service logic to enforce data integrity across multiple domain modules.
- Standardized request validation and centralized exception handling, establishing consistent API response contracts across backend services.
- Reviewed backend service components in structured code review sessions, applying REST API design standards and Spring ecosystem best practices.
- Contributed to containerized environment setup and configuration using Docker as part of deployment pipeline activities.
Education
B.Tech - Electronics & Communication Engineering
ABESIT
Ghaziabad, India06-2022
High School Diploma -
Police Modern School
Ghaziabad, India04-2018
Skills
- Java 21
- SQL
- Spring Boot
- Spring Security
- Spring Data JPA
- Hibernate
- REST APIs
- Microservices Design
- Resilience4j
- JWT
- OAuth2
- Keycloak
- PostgreSQL
- Apache Kafka
- RabbitMQ
- Docker
- AWS (EC2, RDS, Elastic Beanstalk)
- Maven
Project Highlights
- Full-Stack eCommerce Platform (Monolithic Architecture)
- Engineered a full-stack eCommerce system using Spring Boot and React (Redux Toolkit), covering user accounts, product catalog, cart, order lifecycle, and payment processing within a single deployable unit.
- Structured domain modules with layered REST API design, request validation, pagination, and centralized error handling throughout the application.
- Secured endpoints via JWT-based authentication and role-based authorization; managed relational data storage in PostgreSQL with JPA entity mapping.
- Enabled online payments through Stripe payment intents and webhook-based order confirmation with idempotency safeguards.
- Packaged the full application using Docker and deployed on AWS Elastic Beanstalk backed by PostgreSQL RDS.
- Microservices-Based eCommerce System (Service-Oriented Architecture)
- Reorganized the monolithic application into independent User, Product, and Order services using Spring Cloud, enabling isolated deployment and failure containment per service.
- Established inter-service routing through an API Gateway and Eureka-based service discovery, removing hard-coded service dependencies.
- Strengthened security by enforcing OAuth2 token validation and centralized authorization policies across all service boundaries.
- Configured asynchronous communication between services using Kafka event publishing and consumption for order processing and notification flows.
- Deployed all services via Docker Compose on AWS infrastructure with Prometheus, Grafana, and Zipkin for metrics, dashboards, and distributed tracing.
Certification
- Java Spring Boot Full Stack eCommerce Project Masterclass, Udemy, 80+ hours, 2026
- Master Microservices with Spring Boot, Docker, Kubernetes, Udemy, 80+ hours, 2025
Timeline
Backend Engineer - Product Development
Independent Employer
03.2025 - Current
Software Engineer
HCLTech
10.2022 - 03.2025
B.Tech - Electronics & Communication Engineering
ABESIT
High School Diploma -
Police Modern School