Hello! I’m a software engineer with 4+ years of experience in mobile and web application development, specializing in React, React Native, and TypeScript. I craft high-performing, stable software through rigorous testing and thoughtful optimization. I enjoy collaborating with remote and cross-functional teams, guiding projects from concept to launch while meeting tight deadlines, and continuously improving development processes and documentation to support scalable engineering practices.

Fajar Tri Pamungkas

Hello! I’m a software engineer with 4+ years of experience in mobile and web application development, specializing in React, React Native, and TypeScript. I craft high-performing, stable software through rigorous testing and thoughtful optimization. I enjoy collaborating with remote and cross-functional teams, guiding projects from concept to launch while meeting tight deadlines, and continuously improving development processes and documentation to support scalable engineering practices.

Available to hire

Hello! I’m a software engineer with 4+ years of experience in mobile and web application development, specializing in React, React Native, and TypeScript. I craft high-performing, stable software through rigorous testing and thoughtful optimization.

I enjoy collaborating with remote and cross-functional teams, guiding projects from concept to launch while meeting tight deadlines, and continuously improving development processes and documentation to support scalable engineering practices.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
Indonesian
Advanced

Work Experience

Full-time Freelance Software Engineer at HIJRA
February 1, 2025 - September 29, 2025
Implemented automated end-to-end testing strategies for core banking migration, effectively preventing system disruption and enabling better system optimization through detailed feedback. Designed and maintained mobile development and testing workflows for the acquisition team, improving app stability and ensuring on-time delivery of projects. Developed new financing products for bank customers and maintained existing web applications, optimizing performance through robust testing protocols that significantly improved load times. Processed API contracts and created front-end technical documentation, streamlining team collaboration and onboarding for new developers.
Freelance Software Engineer at FLIP
November 1, 2024 - September 29, 2025
Built a brand-new lending product from scratch end-to-end, improving user engagement compared to previous offerings. Designed and executed the integration of a KM M module with Flip's payments system, ensuring cross-platform compatibility and high system reliability. Managed product launch preparation, conducted thorough functional testing, and implemented a readiness measurement system that enhanced overall release quality.
Software Engineer at FLIP
April 1, 2024 - September 29, 2025
Maintained legacy codebase and proactively prevented system failures through continuous testing and optimization, ensuring high system availability. Executed rapid hotfix deployments for critical issues, significantly reducing average resolution time and minimizing downtime. Developed and maintained a Force Update mechanism and deployment status dashboard, enabling real-time monitoring and improving adoption of critical updates. Maintained the Flip UI Kit (Native Base-based component library), enhancing component performance and ensuring consistent UX across all products. FinTech integrations included P2P Lending (WebView with secure credential handling), E-commerce Lending (WebView with Typeform integration), Mutual Funds (WebView with JavaScript Interface), and Native Lending (native registration form).
Software Engineer at FLIP
June 1, 2022 - September 29, 2025
Orchestrated the entire mobile app release lifecycle by implementing streamlined processes to accelerate deployment while maintaining high-quality standards. Enforced code quality and stability as the release branch gatekeeper through rigorous code review practices that significantly reduced post-release issues. Led the submission of app updates to App Store and Play Store, ensuring full compliance with store guidelines and optimizing metadata to enhance app discoverability and organic growth.
Frontend Developer at QIBLAT INDONESIA
October 1, 2021 - September 29, 2025
Architected and led development of a cross-platform mutual fund platform by defining technical requirements and coordinating development efforts, resulting in early and successful project delivery. Executed seamless deployment of the mutual fund application to the Apple App Store and Google Play Store, ensuring full compliance with store guidelines. Implemented a robust GitLab CI/CD pipeline to automate build, testing, and deployment processes, significantly improving deployment speed and release cycle efficiency. Initiated an e-learning mobile application project by defining project scope and selecting optimal technologies, enabling faster development than previous initiatives.
Full-time Freelance Software Engineer at HIJRA
February 1, 2025 - September 29, 2025
Implemented automated end-to-end testing strategies for core banking migration, effectively preventing system disruptions and enabling better system optimization through detailed feedback. Designed and maintained mobile development and testing workflows for the acquisition team, leading to improved application stability and consistent delivery of projects under tight deadlines. Developed new financing products for bank customers and maintained existing web applications, optimizing performance through robust testing protocols that significantly improved load times. Processed API contracts and created front-end technical documentation, streamlining team collaboration and simplifying onboarding for new developers.
Freelance Software Engineer at FLIP
November 1, 2024 - September 29, 2025
Developed a brand-new lending product from scratch, overseeing the entire lifecycle from conceptualization to launch, which led to improved user engagement. Designed and executed the integration of a KMM module with Flip's payment system, ensuring cross-platform compatibility and high system reliability. Managed product launch preparation, conducted thorough functional testing, and implemented a readiness measurement system that enhanced overall release quality.
Software Engineer at FLIP
April 1, 2024 - September 29, 2025
Maintained legacy codebase and proactively prevented system failures through continuous testing and optimization, ensuring high system availability. Executed rapid hotfix deployments for critical issues, significantly reducing average resolution time and minimizing downtime. Developed and maintained a force update mechanism and deployment status dashboard, enabling real-time monitoring and improving adoption of critical updates. Maintained the Flip UI Kit (Native Base-based component library), enhancing component performance and ensuring consistent UI across products. FinTech integrations: P2P Lending (WebView): engineered seamless integration with a P2P lending partner using WebView and local storage for secure credential handling and streaming loan processing. E-commerce Lending (WebView): pioneered lending functionality via WebView, integrating Typeform for data collection and improving conversion flow. Mutual Funds: orchestrated integration with a mutual fund partner using JavaScri
Software Engineer at FLIP
June 1, 2022 - September 29, 2025
Orchestrated the entire mobile app release lifecycle by implementing streamlined processes to accelerate deployment while maintaining high-quality standards. Enforced code quality and stability as the release branch gatekeeper through rigorous code review practices that reduced post-release issues. Led submission of app updates to the App Store and Play Store, ensuring full compliance with store guidelines and optimizing metadata to boost discovery.
Frontend Developer at QIBLAT INDONESIA
October 1, 2021 - September 29, 2025
Architected and led the development of a cross-platform mutual fund platform by defining technical requirements and coordinating development efforts, resulting in early and successful project delivery. Executed seamless deployment of the mutual fund application to the Apple App Store and Google Play Store, ensuring full compliance with all store guidelines. Implemented a robust GitLab CI/CD pipeline to automate build, testing, and deployment processes, significantly improving deployment speed and release cycle efficiency. Initiated an e-learning mobile application project by defining project scope and selecting optimal technologies, enabling faster development than previous initiatives.

Education

Bachelor's Degree in Computer Engineering at Institut Pertanian Bogor (IPB University)
August 1, 2016 - November 1, 2019
Bachelor's Degree in Computer Engineering at Institut Pertanian Bogor
August 1, 2016 - November 1, 2019

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Professional Services