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Mohammed Mujtaba

@mohammedmujtaba

I build secure Java microservices, APIs, and responsive full-stack applications for mortgage and enterprise systems.

At Freddie Mac, I architect and enhance Java enterprise applications for mortgage processing, building secure REST and GraphQL APIs and reusable ReactJS and Angular components.

I modernize monolithic disclosure-processing components into Kafka-driven microservices, use Java 21 virtual threads for high-concurrency services, and optimize Oracle queries for performance under load.

I've progressed from Jr. Java Developer at Inswitch to Associate Software Engineer at Hexaware and Full Stack Developer, contributing across Spring Boot, frontend development, testing, CI/CD, security, and Agile delivery.

Experience

Work history, roles, and key accomplishments

Current

Full Stack Developer

Current

Freddie Mac

Mar 2024 - Present (2 years 7 months)

Architect and enhance Java enterprise applications using Spring Boot, Spring MVC, and Spring WebFlux. Design and maintain REST and GraphQL APIs, build reusable ReactJS and Angular components, and modernize legacy components into event-driven microservices using Kafka.

Associate Software Engineer

Hexaware Technologies

Sep 2023 - Mar 2024 (6 months)

Ramped up quickly on Spring Boot-based services and REST endpoints, becoming productive within the first few weeks. Built and extended REST API endpoints, worked with Oracle and JDBC, and built ReactJS components for frontend features.

Java Spring Boot Spring MVC Microservices REST APIs Oracle JDBC React HTML5 CSS Maven Jenkins Git Junit Postman Code Review PR Workflow

Jr. Java Developer

Inswitch Inc.

Apr 2022 - Sep 2023 (1 year 5 months)

Developed Java-based web application modules using Core Java, JSP, and Servlets under senior developer guidance. Built login and registration modules, contributed to Spring MVC components, and wrote SQL queries for CRUD operations.