Himalay Gupta

Backend Engineer

Gurugram 3+ yrs exp 93 · Outstanding

About

Backend Engineer with 3+ years of experience at IBM developing and maintaining enterprise Java applications. Experienced in designing Spring Boot microservices, building secure REST APIs, optimizing SQL queries, integrating enterprise systems, and developing scalable backend applications. Proven ability to own features across the full SDLC, from design and development to deployment. Strong foundation in Java, Spring Boot, JPA/Hibernate, MySQL, ReactJS, and distributed system integration.

Skills & Expertise (41)

Java Intermediate

7.4/10

Years Exp

React.js Intermediate

7.4/10

Years Exp

Spring Boot Intermediate

7.4/10

Years Exp

REST APIs Intermediate

7.4/10

Years Exp

SQL Intermediate

7.0/10

Years Exp

Git Intermediate

6.4/10

Years Exp

Docker Beginner

6.0/10

Years Exp

Agile Intermediate

6.0/10

Years Exp

Microservices Intermediate

6.0/10

Years Exp

AWS LLD Socket.IO code reviews JUnit 5 Swagger API Node.js Version Control Express.js SOLID principles MongoDb OOPs Prompt Engineering Google Gemini J2EE Oracle SQL JavaScript HTML5 CSS3 Spring MVC Spring Data JPA Spring Security Hibernate GitHub Copilot Kafka Multithreading Maven Event-Driven Architecture REDUX JWT OAuth 2.0 ChatGPT

Work Experience

Application Developer

IBM India Pvt. Ltd.

Sep 2023 - Present

Designed, developed, and deployed Java 8 & Spring Boot microservices for the IOCL Partner Portal, enabling secure dealer onboarding, business workflows, and seamless communication across enterprise applications. Designed and implemented RESTful APIs for cross-service communication, integrating backend services with frontend applications and enterprise systems while reducing integration defects by 40%. Optimized 10+ complex Oracle SQL queries using execution plan analysis and index tuning, reducing average query response time by 20% and improving application performance. Diagnosed and resolved production issues through log analysis, SQL investigation, and root cause analysis, reducing recurring incidents by 70% and improving application stability. Developed unit tests using JUnit for business-critical modules, achieving 80%+ test coverage and preventing regressions during production releases. Built reusable React.js components and developed a metrics-driven dashboard, integrating with Spring Boot REST APIs to deliver responsive, data-driven interfaces for business users. Owned features across the complete SDLC, including requirement analysis, development, code reviews, testing, deployment, production releases, and post-go-live support.

Project Trainee

IBM India Pvt. Ltd.

Jan 2023 - Jul 2023

Developed Spring Boot backend modules and RESTful APIs using Java, JPA/Hibernate, and SQL for enterprise business workflows. Participated in end-to-end SDLC activities including development, UAT support, deployment, and defect resolution across application releases. Collaborated with cross-functional teams to deliver stable releases and provide production support during deployments.

Web Developer Intern

Auric Touch LLP

Jul 2022 - Nov 2022

Built and integrated 10+ RESTful API endpoints using Node.js and Express.js, optimised backend queries and middleware to achieve page load times under 1 second. Designed and implemented dynamic React.js UI components with Redux state management; built data-driven dashboards featuring charts, filters, and live data tables.