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Hello! I am Pema Sherpa, a full stack developer with a passion for building scalable, secure web applications. Over the past 5 years, I have designed and delivered features across healthcare, fintech, and aviation domains, using Java, JavaScript, and cloud-enabled architectures. I love turning complex problems into maintainable code and collaborating with product, QA, and DevOps teams to ship reliable software. I enjoy exploring new technologies, balancing performance optimization with strong test coverage, and mentoring teammates to grow together. When I am not coding, I like helping shape architecture decisions and roadmaps that drive real business impact.…Hello! I am Pema Sherpa, a full stack developer with a passion for building scalable, secure web applications. Over the past 5 years, I have designed and delivered features across healthcare, fintech, and aviation domains, using Java, JavaScript, and cloud-enabled architectures. I love turning complex problems into maintainable code and collaborating with product, QA, and DevOps teams to ship reliable software. I enjoy exploring new technologies, balancing performance optimization with strong test coverage, and mentoring teammates to grow together. When I am not coding, I like helping shape architecture decisions and roadmaps that drive real business impact.

Pema Sherpa

Full Stack Developer, Web Developer, Front-End Developer, +2

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Hello! I am Pema Sherpa, a full stack developer with a passion for building scalable, secure web applications. Over the past 5 years, I have designed and delivered features across healthcare, fintech, and aviation domains, using Java, JavaScript, and cloud-enabled architectures. I love turning complex problems into maintainable code and collaborating with product, QA, and DevOps teams to ship reliable software. I enjoy exploring new technologies, balancing performance optimization with strong test coverage, and mentoring teammates to grow together. When I am not coding, I like helping shape architecture decisions and roadmaps that drive real business impact.…Hello! I am Pema Sherpa, a full stack developer with a passion for building scalable, secure web applications. Over the past 5 years, I have designed and delivered features across healthcare, fintech, and aviation domains, using Java, JavaScript, and cloud-enabled architectures. I love turning complex problems into maintainable code and collaborating with product, QA, and DevOps teams to ship reliable software. I enjoy exploring new technologies, balancing performance optimization with strong test coverage, and mentoring teammates to grow together. When I am not coding, I like helping shape architecture decisions and roadmaps that drive real business impact.

Available to hire

Hello! I am Pema Sherpa, a full stack developer with a passion for building scalable, secure web applications. Over the past 5 years, I have designed and delivered features across healthcare, fintech, and aviation domains, using Java, JavaScript, and cloud-enabled architectures. I love turning complex problems into maintainable code and collaborating with product, QA, and DevOps teams to ship reliable software.

I enjoy exploring new technologies, balancing performance optimization with strong test coverage, and mentoring teammates to grow together. When I am not coding, I like helping shape architecture decisions and roadmaps that drive real business impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Java Full Stack Developer at MASTERCARD

January 1, 2024 - Present

Developed scalable backend microservices using Java Spring Boot and exposed them via secure RESTful APIs to process digital payments. Built reusable React.js components for internal dashboards and used PostgreSQL for relational data with MongoDB for document storage. Implemented JWT-based authentication and role-based access across microservices. Collaborated in Agile sprints with product and QA teams, ensuring features pass CI/CD pipelines via Jenkins and GitHub Actions. Dockerized services for consistent local and production environments, deployed on AWS EC2. Created monitoring dashboards with Grafana and integrated Log4j for logging. Maintained 80%+ test coverage across frontend and backend modules using Jest, Mocha, and JUnit. Integrated Mastercard APIs for card tokenization and transaction insights. Supported production deployments, incident management, and bug fixes, maintaining 99.9% uptime. Built internal tooling in Node.js for data validation and compliance reporting. Particip

Software Engineer at CARDINAL HEALTH

January 1, 2022 - August 1, 2023

Developed end-to-end web applications for medical inventory management using React, Redux, and Express.js. Designed backend services in Java with MySQL and Redis caching. Wrote unit and integration tests with Mockito, JUnit, and React Testing Library achieving over 90% coverage. Implemented CI/CD pipelines with Jenkins and Dockerized services; added health checks. Built responsive UIs with Material-UI. Integrated Azure Blob Storage for file uploads. Led code reviews and collaborated with BAs for requirements. Used GraphQL to optimize inventory queries, reducing payloads by 50%. Documented DevOps playbooks and frontend modules. Conducted API security reviews with OAuth2; participated in Agile ceremonies; migrated legacy jQuery to React; created reusable hooks and components; contributed to accessibility testing with axe-core; integrated testing into CI.

Associate Software Engineer at UNITED AIRLINES

July 1, 2019 - December 1, 2021

Developed and maintained scalable Java-based applications; collaborated with cross-functional teams to clarify requirements and deliver solutions aligned with business objectives. Wrote clean, efficient, and testable code; proactively troubleshooting existing codebases to enhance performance and reliability. Participated in Agile ceremonies for iterative development and rapid feedback. Designed test plans and scripts, performing both manual and automated testing across diverse environments. Developed automated scripts using Java, Maven, TestNG, and Cucumber with Page Object Model. Utilized CI/CD pipelines (Jenkins) for nightly builds, Git for version control, and faster feedback. Conducted RESTful API testing with Postman, Rest Assured, and SQL-based validations to maintain data integrity. Performed Android/iOS app testing on Appium emulators and simulators, ensuring consistent user experience across devices.