Khan Alqama

Java Backend / Full Stack Developer

Talent

KalyanMember since September 21, 2026

JavaOOPCollectionsStreams APIMultithreading & ConcurrencySpring BootSpring Data JPASpring SecurityJWTRBACHibernate ORMMicroservicesNode.jsExpress.jsGraalVMReact 18React.jsAxiosResponsive UIMySQLAiven Cloud MySQLIndexingConnection PoolingStaging TablesJUnitMockitoPlaywrightRenderVercelSOLID Principles

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JavaOOPCollectionsStreams APIMultithreading & Concurrency

About

Results-oriented Java Full Stack Developer with hands-on experience designing, building, and deploying scalable web applications, enterprise RESTful microservices, and metadata-driven platform solutions. Proficient in Java (8/11/17), Spring Boot, Spring Security (JWT/RBAC), Hibernate/JPA, React 18 / React.js, GraalVM, and MySQL. Strong foundation in OOP, Collections, Streams API, Multithreading & Concurrency, SOLID principles, Design Patterns, Data Structures & Algorithms (DSA), and Global Exception Handling.

Proven track record in optimizing SQL queries, indexing, and connection pooling (reducing API latency by 25%) and automating test suites with JUnit, Mockito, and Playwright (cutting MTTR by 35%).

Experience

Full Stack Developer - CloudsMaya Services Pvt. Ltd. - Bhiwandi, Mumbai - 421302

(2025-08)

Autoportal Low-Code Platform & Enterprise Applications (React 18 · Spring Boot · GraalVM · MySQL · REST)

Architect and deliver full-stack enterprise web modules across a large-scale low-code platform (~196K LOC React frontend, ~215K LOC Spring Boot backend) serving 8,650+ users and 7 production applications adhering to SOLID principles and Clean Architecture.
Engineer 20+ secure RESTful APIs with Hibernate ORM, Spring Data JPA, and GraalVM JS extending a 128+ endpoint service layer; optimized complex SQL joins and database indexing, cutting API latency by 25%.
Build reusable React widgets against a metadata-driven runtime compiling JSON into live components, contributing to a platform library of 290+ widgets.
Implement centralized error handling, request/response DTO validations, structured logging, and responsive UI driven by a CSS-variable design system with light/dark modes.
Work on application packaging tooling (Component-JSON / UpdateSet) to capture, export, and deploy portable modules across environments.
Develop automated unit and integration tests using JUnit, Mockito, and Playwright; monitor production issues and debug bottlenecks, reducing MTTR by 35%.