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Job Description:

As an Android Developer at Phintraco Technology, I was involved in the development and maintenance of enterprise mobile applications, including work for major clients like BCA (Bank Central Asia). I collaborated with other engineers to design features, fix bugs, and maintain app performance and security.

Key Responsibilities & Achievements:

• Contributed to the development and enhancement of the Key BCA app, including secure authentication and cryptographic integration.
• Handled API integration and ensured smooth communication with backend services.
• Optimized performance and compatibility across multiple Android versions and devices.
• Applied clean architecture principles (e.g., MVVM, dependency injection with Hilt/Dagger).
• Participated in debugging, code reviews, and performance tuning.
• Coordinated with QA and business analysts for feature testing and validation.

Tech Stack:

Java, Android Studio, Firebase, MVVM, Dagger/Hilt, Retrofit, Coroutines, Room, Glide, Material Design, Navigation Component, WorkManager, and more.

Job Description:

As a Mobile Developer at Barantum.com, I was responsible for developing and maintaining mobile CRM applications on both Android and iOS platforms using Ionic Framework. I collaborated with designers, QA/QC teams, and backend developers to deliver user-centric features and ensure cross-platform consistency.

Key Responsibilities & Achievements:

• Built and maintained hybrid mobile apps for Android and iOS using Ionic Framework (with Angular, HTML5, TypeScript).
• Developed core CRM modules including customer management, activity tracking, deal pipelines, task scheduling, and reporting.
• Coordinated with QA/QC teams to align development with business requirements and testing scenarios.
• Worked closely with UI/UX designers to implement clean, responsive mobile interfaces.
• Created accurate work timelines and submitted daily and weekly reports to team leads.
• Conducted basic functional testing prior to deployment.
• Delegated tasks and helped coordinate responsibilities within the mobile development team.

Tech Stack:

Ionic Framework, Angular, TypeScript, HTML5, SCSS, Cordova/Capacitor, REST API, Git

Job Description:

As a fullstack Web Developer at Barantum.com, I was responsible for developing and maintaining a web-based CRM platform tailored to business needs. I worked closely with product managers and QA to deliver key features that supported sales teams and customer service operations.

Key Responsibilities & Achievements:

• Built and maintained core CRM modules including Dashboard, Customer Management, Activity Logs, Deal Pipelines, Reports etc.
• Developed user-friendly interfaces with HTML5, CSS3, JavaScript, jQuery, and Bootstrap.
• Designed and implemented backend logic using PHP (Laravel framework) and MySQL as the database.
• Created APIs for dynamic content rendering and integrated AJAX for seamless user experience.
• Collaborated with QA to perform functional and regression testing.
• Delivered accurate work estimations and submitted structured daily & weekly reports to supervisors.
• Conducted refactoring and optimization to improve code readability and performance.

Tech Stack:

PHP (Laravel), MySQL, JavaScript, jQuery, HTML5, CSS3, Bootstrap, AJAX

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Key Responsibilities & Achievements:

• Develop and maintain Informasea.com applications
• Make a report on the estimated work (timeline)
• Make daily and weekly work reports
• Develop
  informasea app : https://informase.com
  informasea alpha : https://alpha.informasea.com
  informasea agent : https://agent.informasea.com

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