Back to Developers
Rachel Joy

Rachel Joy

Technology Analyst

80
Profile Score

About

With 4+ years of experience as a Java Developer, I have built scalable high-performance backend applications using Java, Spring Boot, Microservices, and REST APIs. I am proficient in SQL/No-SQL databases, API integration, debugging, performance optimization, and writing clean, maintainable code using OOP principles and design patterns. I am also experienced in Agile/Scrum, Git, Docker and can collaborate with cross-functional teams to deliver reliable, production-ready solutions.

Skills & Expertise (17)

Java Advanced
8.5/10
4
Years Exp
Microservices Advanced
8.4/10
4
Years Exp
Restful API Advanced
8.3/10
4
Years Exp
Spring Boot Advanced
8.2/10
4
Years Exp
SQL Advanced
7.8/10
4
Years Exp
Docker Cloud Native Development Google Cloud Platform SQL Yog MS Office Postman Eclipse DevOps JavaScript CSS HTML Spring MVC

Work Experience

Intern

LGSI (LG Soft India)

Jul 2019 - Mar 2020

Developed and deployed a Smart Notepad application on LG’s WebOS using Docker; Integrated application services with Google Cloud Platform (GCP), enabling secure data storage, logging, real-time sync, auto-scalability, and monitoring; boosting modularity, performance, maintainability, reliability, and cross-platform efficiency. Built and tested IoT-based networking solutions using WIZNet hardware modules, integrating them with LG WebOS for seamless device interaction, improved responsiveness, enhanced reliability, optimized workflows, real-time insights.

Technology Analyst

Infosys

Feb 2022 - Present

Developed mission-critical backend features for a high-impact GST enterprise system using Java, Spring Boot, microservices, REST APIs, SQL, and Kafka event-driven architecture; optimized service design to improve module performance by 30%, inter-service communication by 35%, and response times by 20–25%. Enhanced the Appeals and Payment Processing Modules, improving workflow efficiency by 25% and reducing processing delays for taxpayers and department officials by working on the new enhancements in the existing application flow. Delivered multiple Amnesty and CBIC initiatives with 0 major defects in production, enabling nationwide GST system readiness and improving deployment quality by 40% through rigorous validation and governance. Executed a large-scale Data Migration initiative, transforming and validating millions of records with 99.9% data accuracy, supported by automated Java batch jobs that reduced manual effort by 70% and significantly improved processing efficiency. Conducted rigorous testing, debugging, and performance tuning, reducing overall defects by 60%, lowering production incidents by 40%, and enhancing system stability across environments for consistently reliable operations. Collaborated with QA, DevOps, and architecture teams in Agile/Scrum environment to accelerate sprint delivery by 25%, release turnaround by 20%, and incident resolution by 20%; provided post-production support with proactive monitoring to enhance system uptime and user satisfaction. Built and integrated lightweight UI components using HTML, CSS, JavaScript, reducing front-end–backend integration issues by 30% and enabling smoother end-user flows with improved responsiveness, accessibility, and overall interaction quality. Mentored junior developers and performed code reviews, improving code quality scores by 35% and reducing rework and maintained strong version control hygiene using SVN, best-practice sharing, and continuous process improvements.

Education

M. Tech - CSE - Christ University

2018 - 2020 · Afghanistan

B. Tech - CSE - Karunya University

2014 - 2018 · Afghanistan

Interested in this developer?

Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 5/15
💰 Rate 0/5
🏆 Certs 0/5
Verified 5/5
Total Score 80/100

Profile Overview

Member sinceMar 2026

Skills (17)

Java Microservices Restful API Spring Boot SQL Docker Cloud Native Development Google Cloud Platform SQL Yog MS Office +7 more