Rahul Sarin

Domain Knowledge – Web Application Development. Good knowledge in Full Stack Development (Spring Boot + Angular + Unit Testing + Mockito). Experience in identifying and fixing security vulnerabilities in Java.

Lead Software Engineer at UST Global (2020-08 – 2026-08)

Technology / Tools: Java 8 / 11 / 17 / 21 – Spring Boot 3.0, Hibernate 6, JPA. IDE- IntelliJ. Web App Server: Tomcat-8. Database: Oracle / MySQL. Server End Tools: Spring Boot / Spring Data JPA, Web Services - Restful

• Development of Projects for Client – Dell Technologies (IT).
• Development of Projects for Client – CarynHealth Solutions (Healthcare).
• Development of Projects for Client – HEB (Retail).
• Creating Web Services.
• Worked on development and maintenance of Spring Boot-based Microservices.
• Developed REST APIs for communication between Microservices.
• Worked on inter-service communication using REST APIs and Feign Client.
• Worked with API Gateway and Service Discovery in Microservices architecture.
• Worked on exception handling and fault tolerance in Microservices.
• Worked on implementing multiple database connectivity within the Application.
• Worked on migration of enterprise applications across multiple Java versions (8 → 11 → 17 → 21), ensuring compatibility, stability, and performance optimization.
• Worked on Unit Test cases with Coverage > 90%
• Worked on Angular – Generating component, services & other Angular entities.
• Form validation and error handling.

Senior Software Engineer at Anand Rathi IT Pvt Ltd (2019-02 – 2020-03)

Technology / Tools: Java 8 – Spring Boot 2.2, Hibernate 5.3, JPA. IDE- Eclipse. Web App Server: Tomcat-8. Database: PostgreSQL. Server End Tools: Spring Boot / Spring Data JPA, Web Services - Restful

• Development of Financial based Projects
• Creating Web Services.
• Worked on AWS S3 for documents related operations
• Worked on AWS DynamoDB

Software Engineer at Wipro Ltd (2018-03 – 2019-01)

Technology / Tools: Java 8 – Spring Boot 1.5, Hibernate 4.3, JPA, Cucumber. IDE- IntelliJ. Web App Server: Tomcat-8. Database: Couchbase. Tools: Jira. Server End Tools: Spring Boot / Hibernate with JPA Annotations, Web Services - Restful

• Development, Customization and Upgradation of Telecom based Projects
• Following Agile Process by maintaining task on Jira.
• Creating Web Services.
• Worked on Automation Testing of Telecom Applications using Cucumber.
• Creating Cucumber Reports for Automation Testing.

Software Engineer at Zensar Technologies Ltd (2015-09 – 2017-09)

Clients: CSC E-Governance Pvt Ltd; Pune Municipal Corporation (pmc.gov.in); Bangalore Water Supply and Sewerage Board (bwssb.gov.in). Technologies: Java, Java Swing, AWT, PHP CodeIgniter, MySQL. IDE- Sublime, Eclipse. Web App Server: Xampp. Database: MySQL

• Worked on Digitize India Platform Project.
• Creating Forms and implementing server-side and client-side validations.
• Involved in application development, bug-fixing, manual testing.
• Worked on the Shredder desktop application developed using Java Swing.
• Designed and developed GUI layouts using Java Swing components.
• Implemented CAPTCHA / image trimming and cropping functionality.
• Developed image zoom-in, zoom-out, and rotational functionality for document / image processing.
• Performed debugging and enhancement for Java-based applications modules.

Developer at Velocis Systems Pvt Ltd (2014-12 – 2015-07)

Technology / Tools: Android. IDE- Android Studio. Database: SQLite. OS: Windows. Client: Union Public Service Commission (UPSC) Project: Web Desktop application, An Application UPSC Client to Mechanism and accomplish their Recruitment related operations. Worked on Android Application Development.

• Worked on designing, coding and testing of ORA Project for UPSC Client.
• Worked on Manual Testing of Recruitment based Application.
• Escalate issues.
• Creating web services in PHP for Android Application.
• Software coding and unit testing
• Worked on security set-up for a validated software system.

PHP Developer at Amartam Technology Solution Pvt Ltd (2014-06 – 2014-12)

Technology / Tools: CodeIgniter Framework, YII Framework etc. IDE- Sublime. Web App Server: Xampp. Database: MySQL. OS: Windows. Front End Tools: HTML, JavaScript. Project: Worked on several web based application on core-php and on different frameworks like CodeIgniter and Yii and also using different CMS.

• Stolengoods: Person can register their complaint about stolen goods made inCore-PHP
• Reempack: E-Commerce website made in CS-Cart.
• ArmstrongInteriors&Design: Interiors&Designs for New Zealand homes made in Core-PHP.
• Amartam: Company’s website made in CodeIgniter.
• Foogloo: E-Commerce website made in OpenCart.
• Software Designing, Planning, coding and unit testing
• Troubleshoot for program errors in existing systems
• Development, Customization and Upgradation of Web based Projects.
• Worked on Manual Testing of Web based Applications.

PHP Developer at Neptune Solutions Pvt Ltd (2012-12 – 2014-02)

Technology / Tools: CodeIgniter Framework, WordPress, OpenCart, Magento etc. IDE- Notepad++. Web App Server: Xampp, Wamp, Vertrigo. Database: MySQL. OS: Windows. Front End Tools: HTML, CSS, JavaScript

• Development, Customization and Upgradation of Web based Projects.
• Worked on Manual Testing of Web based Applications.
• Troubleshoot for program errors in existing systems

Software Engineer at Kindlebit Solutions Pvt Ltd (2012-06 – 2012-12)

Technology / Tools: Core PHP, WordPress etc. IDE- Notepad++. Web App Server: Xampp. Database: MySQL. Front End Tools: HTML, CSS, JavaScript

• Worked on designing, coding and testing of E-Commerce based websites.
• Worked on Manual Testing of E-Commerce based Applications.
• Escalate issues.
• Implementation, Customization and Upgradation of Web based Projects.

MBA-IT – PTU, Lucknow

MCA – IET Lucknow / IGNOU

PGDCA – IET Lucknow / IGNOU

BCA – SRMCEM, Lucknow