Java · Backend Engineering

Hello, I’m
Himanshu Singh.

Java Backend Engineer

I build server-side software with a focus on clear architecture, useful APIs, and the details that make systems dependable.

01PERSONAL PORTFOLIO
Portrait of Himanshu Singh
Thoughtful systems.
Practical engineering.
Scroll to explore

A little about me 01 — 06

Engineering is
in the details.

Backend Developer with 3.1 years of experience building scalable web applications using Java, Spring Boot, Microservices, and Kafka. Proficient in designing and implementing RESTful APIs, optimizing database performance, and integrating third-party services. Experienced in deploying applications on AWS and delivering secure, high-performance backend solutions using Agile methodologies and cloud-native architectures.

LocationBengaluru, India

Education

B. Tech. (Computer Science & Engineering) Punjabi University, Patiala 2021
Download resume Preview Last Updated: Nov 10, 2026

Where I’ve worked 02 — 06

Experience, built
over time.

Built RESTful microservices using Spring Boot, Spring Cloud, and Eureka. Implemented JWT-based authentication and Spring Security with RBAC. Developed microservices capable of handling both synchronous and asynchronous communications. Designed efficient database schemas using ER diagrams and optimized queries with Hibernate/JPA, reducing latency by 20%. Integrated third-party APIs for SMS, WhatsApp, and Email notifications. Achieved 85%+ code coverage with JUnit and Mockito tests.

Tools of the trade 03 — 06

Technology is a tool.
Know it well.

Cloud & DevOps

AWS S3 80%
AWS EC2 80%
Docker 80%
Kafka 80%
RabbitMQ 80%

Programming Languages & Frameworks

Core Java 90%
Java 1.8 90%
OOPs Concepts 90%
Spring Boot 90%
Spring MVC 90%
Spring Security 90%
Spring Cloud 90%
Hibernate/JPA 90%
MySQL 90%
Spring Data JPA 90%
JDBC 90%

Tools

Eclipse 85%
IntelliJ IDEA 85%
Spring Tool Suite 85%
Postman 85%
JIRA 85%
Git & GitHub 85%
GitHub Copilot 85%

Selected work 04 — 06

Problems worth
solving.

A closer look at projects, the ideas behind them, and the technology used to bring them to life.

1

Travel & Hospitality Platform

GitHub

A scalable and high-performance online hotel booking platform enabling users to search, compare, book, and review hotels seamlessly. Integrates external APIs for real-time availability and pricing, supports secure authentication, robust property management, and automated notifications.

Built with Java, Spring Boot, Hibernate/JPA, MySQL, JWT, Spring Security, RESTful APIs, Microservices, Angular, TypeScript, AWS S3

Have something in mind? 06 — 06

Let’s make
it happen.

For a conversation, a collaboration, or just to say hello.

01 / MESSAGE

Send a message

02 / MEETING

Request a meeting