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Hi, I'm Aasish Katwal, a results-driven Full Stack Java Developer with 8 years of experience building scalable, high-performance applications using Java (8–17), Spring Boot, and React.js. I excel at delivering enterprise-grade solutions, building microservices, RESTful APIs, and secure authentication with OAuth2 and JWT. I also design responsive frontends with modern React, deploy applications on AWS, and embrace Agile practices to collaborate effectively with cross-functional teams. Throughout my career I’ve optimized performance, implemented robust testing (JUnit, Mockito, Selenium), and automated CI/CD pipelines with Jenkins. I enjoy translating complex business needs into clean, maintainable code and working closely with stakeholders to deliver reliable software at scale.…Hi, I'm Aasish Katwal, a results-driven Full Stack Java Developer with 8 years of experience building scalable, high-performance applications using Java (8–17), Spring Boot, and React.js. I excel at delivering enterprise-grade solutions, building microservices, RESTful APIs, and secure authentication with OAuth2 and JWT. I also design responsive frontends with modern React, deploy applications on AWS, and embrace Agile practices to collaborate effectively with cross-functional teams. Throughout my career I’ve optimized performance, implemented robust testing (JUnit, Mockito, Selenium), and automated CI/CD pipelines with Jenkins. I enjoy translating complex business needs into clean, maintainable code and working closely with stakeholders to deliver reliable software at scale.

Aasish Katwal

Full Stack Developer, Developer, Programmer, +4

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Hi, I'm Aasish Katwal, a results-driven Full Stack Java Developer with 8 years of experience building scalable, high-performance applications using Java (8–17), Spring Boot, and React.js. I excel at delivering enterprise-grade solutions, building microservices, RESTful APIs, and secure authentication with OAuth2 and JWT. I also design responsive frontends with modern React, deploy applications on AWS, and embrace Agile practices to collaborate effectively with cross-functional teams. Throughout my career I’ve optimized performance, implemented robust testing (JUnit, Mockito, Selenium), and automated CI/CD pipelines with Jenkins. I enjoy translating complex business needs into clean, maintainable code and working closely with stakeholders to deliver reliable software at scale.…Hi, I'm Aasish Katwal, a results-driven Full Stack Java Developer with 8 years of experience building scalable, high-performance applications using Java (8–17), Spring Boot, and React.js. I excel at delivering enterprise-grade solutions, building microservices, RESTful APIs, and secure authentication with OAuth2 and JWT. I also design responsive frontends with modern React, deploy applications on AWS, and embrace Agile practices to collaborate effectively with cross-functional teams. Throughout my career I’ve optimized performance, implemented robust testing (JUnit, Mockito, Selenium), and automated CI/CD pipelines with Jenkins. I enjoy translating complex business needs into clean, maintainable code and working closely with stakeholders to deliver reliable software at scale.

Available to hire

Hi, I’m Aasish Katwal, a results-driven Full Stack Java Developer with 8 years of experience building scalable, high-performance applications using Java (8–17), Spring Boot, and React.js. I excel at delivering enterprise-grade solutions, building microservices, RESTful APIs, and secure authentication with OAuth2 and JWT. I also design responsive frontends with modern React, deploy applications on AWS, and embrace Agile practices to collaborate effectively with cross-functional teams.

Throughout my career I’ve optimized performance, implemented robust testing (JUnit, Mockito, Selenium), and automated CI/CD pipelines with Jenkins. I enjoy translating complex business needs into clean, maintainable code and working closely with stakeholders to deliver reliable software at scale.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Full Stack Java Developer at 7-Eleven

October 1, 2022 - Present

Lowered average response time by streamlining Spring controllers and services. Applied Git for a team of 5 developers, increasing code collaboration efficiency by 20%. Developed REST APIs using Spring MVC and Spring Boot, deploying microservices on AWS Cloud. Used Oracle SQL Developer for local test and development SQL queries. Integrated and deployed microservices using Docker orchestration. Utilized AWS EC2, S3, and Lambda to optimize application response time. Enhanced UI/UX using Angular, improving user satisfaction. Led weekly code reviews, reducing code errors by 15% and increasing code quality by 10%.

Full Stack Java Developer at Ford Motor

September 30, 2022 - August 28, 2025

Collaborated with cross-functional teams to troubleshoot and resolve RESTful Web Services issues, decreasing bug reports. Led daily stand-ups and bi-weekly sprint planning sessions, improving team collaboration and timely feature delivery. Designed responsive user interfaces using HTML and CSS to enhance user experience and reduce bounce rates. Optimized JavaScript to improve site loading speed. Implemented Java batch processing for large-scale data operations in fleet management analytics, enhancing system throughput and reliability. Established scalable data storage with MongoDB. Managed dependencies with Maven and integrated Jenkins for CI/CD. Streamlined front-end using SASS and LESS CSS preprocessors.

Java Developer at Mastercard

November 30, 2019 - August 28, 2025

Designed and implemented RESTful APIs for microservices architecture improving system efficiency and response times. Established a standardized code review process reducing review time by 30% and boosting team efficiency by 25%. Developed JWT token-based authorization to improve authentication. Improved code quality and performance with Webpack bundling and minification. Integrated monitoring and logging into Kubernetes clusters enhancing system visibility. Increased test coverage by 25% through JUnit and Selenium test suites. Optimized database performance via Hibernate and JPA ORM.

Full Stack Java Developer at Ford Motor

December 1, 2019 - September 1, 2022

Developed scalable Spring Boot microservices and REST APIs for enterprise automotive applications. Built responsive, high-performance React.js applications leveraging Hooks. Implemented Spring Security for authentication/authorization and designed MongoDB data models for large-scale, semi-structured data. Optimized frontend performance with Webpack optimizations and automated build/deploy workflows using Jenkins CI/CD. Managed dependencies with Maven/Gradle, and contributed to testing with JUnit and Selenium. Implemented logging/debugging mechanisms and collaborated in Agile Scrum teams to ensure timely deliveries.

Java Developer at Mastercard

July 1, 2018 - November 1, 2019

Developed backend microservices and RESTful APIs for secure financial transaction processing. Implemented JWT-based authentication and authorization, and optimized PostgreSQL queries with indexing. Built basic React UI components and integrated them with backend APIs for internal tools. Increased test coverage with JUnit and Selenium. Deployed microservices using Docker and Kubernetes, and configured frontend asset optimization. Contributed to logging and monitoring, code reviews, and Agile SDLC practices.