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I'm a software engineer with 8+ years of hands-on experience in mobile and web development, specializing in Flutter, React, and scalable architecture design. I've delivered fintech solutions with a focus on secure, high-performance applications. I'm skilled at building SDKs, implementing micro frontends, and driving R&D initiatives to keep teams innovative and productive.…

HARITHA RAJARATHNA

Web Developer, Front-End Developer, Back-End Developer, +3

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I'm a software engineer with 8+ years of hands-on experience in mobile and web development, specializing in Flutter, React, and scalable architecture design. I've delivered fintech solutions with a focus on secure, high-performance applications. I'm skilled at building SDKs, implementing micro frontends, and driving R&D initiatives to keep teams innovative and productive.…

Available to hire

I’m a software engineer with 8+ years of hands-on experience in mobile and web development, specializing in Flutter, React, and scalable architecture design.

I’ve delivered fintech solutions with a focus on secure, high-performance applications. I’m skilled at building SDKs, implementing micro frontends, and driving R&D initiatives to keep teams innovative and productive.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Javanese

Advanced

Work Experience

Senior Software Engineer at Hitachi Digital Payment Solutions Ltd. (Philippines)

April 1, 2024 - Present

Developed and maintained cross-platform mobile applications using Flutter for financial transactions, data visualization, and client interaction. Applied Clean Architecture principles to improve modularity, testability, and scalability. Built internal Flutter SDK libraries for common UI components, secure storage, authentication modules, and analytics across multiple mobile products. Architected and maintained version-controlled Flutter packages to streamline core functionalities adoption across teams. Spearheaded the implementation of Micro Frontend architecture using React and Webpack Module Federation for future internal applications. Enabled CI/CD pipelines for SDK publishing with Azure DevOps to improve onboarding and product consistency.

Software Engineer at Hitachi Digital Payment Solutions Ltd. (Philippines)

April 1, 2022 - April 1, 2024

Developed and maintained cross-platform mobile applications using Flutter for financial transactions, data visualization, and client interaction. Optimized compatibility and performance across iOS and Android devices. Implemented encryption and secure storage for sensitive financial information. Conducted unit, integration, and UI tests to maintain code quality. Provided guidance to junior developers and contributed to skill development. Implemented security measures and ensured regulatory compliance for financial data protection. Led code reviews, performance optimizations, and testing strategies. Engaged in continuous learning and knowledge sharing to foster growth in Flutter fintech solutions.

Associate Software Engineer at Hitachi Digital Payment Solutions Ltd. (Sri Lanka & Philippines)

June 1, 2021 - April 1, 2022

Engaged in professional development to enhance Flutter skills and contribute to the team. Collaborated with senior developers to implement UI designs, API integration, and ensure application functionality. Assisted in security measures and compliance for financial data handling. Supported troubleshooting and debugging. Stayed updated with Flutter SDK updates, plugins, and fintech-related contributions.