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I am a value-driven professional who looks for meaning in everything I do, especially in my work. I chose programming and app development to make a meaningful impact for people. I enjoy collaborating with teams and continually learning, with a focus on sharpening my programming skills and knowledge. I value clear communication and strive to both take and give value in my work environment.…

Joshua Situmorang

Front-End Developer, App Developer, Programmer, +1

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I am a value-driven professional who looks for meaning in everything I do, especially in my work. I chose programming and app development to make a meaningful impact for people. I enjoy collaborating with teams and continually learning, with a focus on sharpening my programming skills and knowledge. I value clear communication and strive to both take and give value in my work environment.…

Available to hire

I am a value-driven professional who looks for meaning in everything I do, especially in my work. I chose programming and app development to make a meaningful impact for people. I enjoy collaborating with teams and continually learning, with a focus on sharpening my programming skills and knowledge. I value clear communication and strive to both take and give value in my work environment.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Flutter Developer (Front-End) at PT BFI

May 31, 2022 - October 16, 2025

Developed Flutter front-end for mobile applications, including a ticketing assistant, education information app, and admin interfaces; implemented features with Firebase, REST APIs, and CRM-style components. Responsible for UI/UX and delivering monthly performance reports.

Flutter Developer (Front-End)

April 30, 2023 - October 16, 2025

Rental App Project: front-end development using Flutter; built responsive UI and integrated with backend APIs for bookings and payments.

Flutter Developer (Front-End)

August 31, 2022 - October 16, 2025

Health Application Project: front-end development with Flutter; API integration, state management, and UI components for patient workflow.

Flutter Developer (Front-End)

May 1, 2023 - Present

Health Application Project: build from scratch including a patient registration flow and admin dashboard; CRUD features and API integrations; launched as a multi-platform app.

Senior Flutter Developer at Aleph Labs Indonesia

May 1, 2023 - Present

Led a team of three developers in building and enhancing a multi-platform healthcare application (mobile, web, and desktop) using Flutter. Architected clear, scalable solutions with Clean Architecture and Test-Driven Development (TDD). Analyzed and optimized app performance, implemented robust unit and integration tests, and collaborated with QA engineers to maintain quality standards. Managed on-call rotations for critical mobile issues and overseen CI/CD and deployment to Google Play and Apple App Store using Bitbucket, Codemagic, Bitrise, and App Store Connect. Mentored new team members and implemented diverse state management approaches (Bloc, Riverpod, RxDart) to fit project needs.

Flutter Mobile Developer at Bagubagu Studio

September 1, 2022 - April 1, 2023

Executed the full mobile development lifecycle for a motorcycle rental application as the initial solo Flutter developer. Architected real-time tracking using Google Maps SDK and location-based services, implemented secure authentication with AWS Amplify and Cognito, and automated CI/CD pipelines to streamline multi-environment deployment. Designed and developed complex UI components to ensure a seamless user experience and collaborated closely with Product, Backend, and Design teams to meet business requirements.

Flutter Developer at qoohoo App

June 1, 2022 - August 1, 2022

Engineered high-performance multimedia features including video and audio playback, developed custom Flutter widgets, and applied Clean Architecture to maintain scalability as user interactions grew. Enhanced user engagement with rich profile information features and interactive UI elements; collaborated with Backend, GA, and Product/Design teams to ensure API integration and a smooth user journey.

Flutter Developer at PT BFI Indonesia

September 1, 2021 - May 1, 2022

Built a finance-focused super app featuring lending, installments (tenor), and payment functionalities. Contributed to designing a reusable design system and internal VKWID reporting application (mobile/web), optimized for mobile web view. Collaborated with Business Analysts to translate business requirements in an Agile/Scrum environment.

Front End Developer (Flutter) at Agung Sedayu Group

August 1, 2020 - August 1, 2021

Worked as a Front-End Developer using Flutter, building both web and mobile applications. Built a Flutter web-based admin dashboard for a PKS system, optimizing UI/UX and performance despite early-stage Flutter web stability challenges. Developed a Flutter mobile customer service application with Firebase integrations and collaborated with GA teams, designers, and Product Managers to ensure feature delivery and usability.