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Hi, I’m Alfinosuroso, a Flutter Developer with 2+ years of experience building cross-platform mobile apps and SDKs using Flutter and Java. I’m passionate about clean architecture, responsive UI, and scalable app development, and I enjoy turning complex ideas into delightful, stable products. I have hands-on experience with API integrations, Firebase, and payment systems, and I thrive in collaborative, research-driven teams. I hold a degree in Informatics Engineering from Dian Yuswantoro University, and I am always eager to learn new technologies and contribute to impactful projects.…Hi, I’m Alfinosuroso, a Flutter Developer with 2+ years of experience building cross-platform mobile apps and SDKs using Flutter and Java. I’m passionate about clean architecture, responsive UI, and scalable app development, and I enjoy turning complex ideas into delightful, stable products. I have hands-on experience with API integrations, Firebase, and payment systems, and I thrive in collaborative, research-driven teams. I hold a degree in Informatics Engineering from Dian Yuswantoro University, and I am always eager to learn new technologies and contribute to impactful projects.

Alfinosuroso

Front-End Developer, Web Developer, App Developer, +4

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Hi, I’m Alfinosuroso, a Flutter Developer with 2+ years of experience building cross-platform mobile apps and SDKs using Flutter and Java. I’m passionate about clean architecture, responsive UI, and scalable app development, and I enjoy turning complex ideas into delightful, stable products. I have hands-on experience with API integrations, Firebase, and payment systems, and I thrive in collaborative, research-driven teams. I hold a degree in Informatics Engineering from Dian Yuswantoro University, and I am always eager to learn new technologies and contribute to impactful projects.…Hi, I’m Alfinosuroso, a Flutter Developer with 2+ years of experience building cross-platform mobile apps and SDKs using Flutter and Java. I’m passionate about clean architecture, responsive UI, and scalable app development, and I enjoy turning complex ideas into delightful, stable products. I have hands-on experience with API integrations, Firebase, and payment systems, and I thrive in collaborative, research-driven teams. I hold a degree in Informatics Engineering from Dian Yuswantoro University, and I am always eager to learn new technologies and contribute to impactful projects.

Available to hire

Hi, I’m Alfinosuroso, a Flutter Developer with 2+ years of experience building cross-platform mobile apps and SDKs using Flutter and Java. I’m passionate about clean architecture, responsive UI, and scalable app development, and I enjoy turning complex ideas into delightful, stable products.

I have hands-on experience with API integrations, Firebase, and payment systems, and I thrive in collaborative, research-driven teams. I hold a degree in Informatics Engineering from Dian Yuswantoro University, and I am always eager to learn new technologies and contribute to impactful projects.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Indonesian

Fluent

Work Experience

Front End Developer at PT Mitra Kasih Perkasa

February 1, 2025 - September 30, 2025

Created SDK MKP Payment on Apps2Pay supporting cash, QRIS, VA, prepaid, and debit payments. Developed on MPOS Sunmi P2 and Morefun. Implemented features such as print settlement and theme customization. Maintained clean MVVM-structured models.

Front End Developer at PT Rectmedia Komputindo

July 1, 2023 - September 30, 2025

Built mobile apps using Dart and Flutter with BLoC state management. Implemented AutoRoute navigation, responsive UI with Sizer, and JSON localization. Mapped models, handled REST APIs with async/await, and maintained Firebase Messaging, Firestore, Authentication, and Cloud Functions. Deployed apps to Play Store and App Store.

Freelance Video Editor at Fiverr

June 1, 2023 - September 30, 2025

Edited cover music videos with lyrics, mockups, and grading. Produced Dutch learning videos with subtitles and session descriptions. Created advertisement videos, vlogs, and motion text.

Internship Data Analyst at PT. Solusi Dua Empat Tujuh

December 1, 2021 - September 30, 2025

Processed unstructured vertical integral data into structured formats. Built rainfall prediction models for Indonesia using data from 20 years prior. Visualized data and compared model results.

Front End Developer at PT Mitra Kasih Perkasa

February 1, 2025 - September 30, 2025

Create SDK MKP Payment on Apps2Pay: Support cash, qris, va, prepaid, and debit payment. Develop on MPOS Sunmi P2 and Morefun. Other feature: print settlement and customization theme. Clean structure model (MVVM).

Front End Developer at PT Rectmedia Komputindo

July 1, 2023 - September 30, 2025

Making mobile Apps using BLoC state management in Dart and Flutter. AutoRoute navigation, responsive using Sizer, and Localization language JSON parsing, model mapping, and handle REST APIs with async/await. Fixing and maintenance of existing application's features. Firebase Messaging, Firestore, Authentication, and Cloud Functions. Deployment of apps into Play Store and App Store.

Video Editor (Freelance) at Fiverr

June 1, 2023 - September 30, 2025

Edit a cover music videos with lyrics, mockups, and grading. Edit Dutch learning videos with subtitles and a description of each session. Create advertisement videos, vlogs, and motion texting.

Data Analyst (Internship) at PT. Solusi Dua Empat Tujuh

December 1, 2021 - September 30, 2025

Processing unstructured vertical integral data into structured data. Predicting rainfall in Indonesia using data from 20 years ago. Visualize the data and compare the results of the models used.

Flutter Mobile Engineer at PT Talenta Gigih Teknologi

November 1, 2025 - Present

Rebuilt the official Zingstop Indonesia mobile app from scratch, restructuring architecture and optimizing user flows for Dine-in, Takeaway, and DeliveryX. Redesigned major UI components to deliver a modern, consistent, and brand-aligned experience. Improved performance, stability, and bug reduction using Flutter, GetX, and API integrations.

Front End Engineer Intern (Paid Internship) at PT Vitra Kasih Perkasa

August 1, 2024 - February 1, 2025

Developed Apps2Pay SDK for integrating multi-payment methods (BRIS, OA, Debit, Prepaid). Built Java SDK module for VKP system integration with VPHS. Implemented VOOV architecture with custom theming, ensuring stable deployment on Sunmi P2 and VPHS devices.

Freelance Flutter Developer at JL9 Dev

April 1, 2023 - Present

Developed GIS S9S, a mobile Geographic Information System app for small business services, supporting location-based data visualization. Handled API integration for map and user data synchronization, geolocation, and vector maps. Used for surveyor and field coordinator.

Front End Developer at PT Rectmedia Komputindo

November 1, 2022 - July 1, 2023

Developed zHz Konsultan, Festix, and Jobbonno mobile apps using Flutter, AutoRoute, and SiERX with responsive UI and localisation. Integrated REST APIs, Firebase Messaging, Firestore, and Authentication to support real-time features. Published and maintained applications on Play Store and App Store.

Internship - Data Analyst at PT. Solusi Dua Empat TuMuh

August 1, 2021 - December 1, 2021

Processed and analyzed unstructured weather data to build rainfall prediction models using 20-year historical datasets. Visualized and compared model accuracy to support climate data research at PT Solusi Dua Empat TuMuh.