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Hi, I'm Muhammad Jalaludin Qurthubi, a backend-first fullstack developer with a Diploma in Informatics Engineering and about 6 years of combined experience across academia and real-world projects. I specialize in Node.js, Python, Flutter, .NET Core, and PostgreSQL, and I enjoy turning ideas into robust, production-ready software. During my career I’ve built apps like a Flutter-based ferry booking mobile app, an HRIS backend, and internal asset management APIs. I value modular architecture, dependency injection, testing, and CI/CD, and I’m passionate about delivering scalable APIs and data models with strong security and reliability.…Hi, I'm Muhammad Jalaludin Qurthubi, a backend-first fullstack developer with a Diploma in Informatics Engineering and about 6 years of combined experience across academia and real-world projects. I specialize in Node.js, Python, Flutter, .NET Core, and PostgreSQL, and I enjoy turning ideas into robust, production-ready software. During my career I’ve built apps like a Flutter-based ferry booking mobile app, an HRIS backend, and internal asset management APIs. I value modular architecture, dependency injection, testing, and CI/CD, and I’m passionate about delivering scalable APIs and data models with strong security and reliability.

Muhammad Jalaludin Qurthubi

Web Developer, Full Stack Developer, Programmer, +2

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Hi, I'm Muhammad Jalaludin Qurthubi, a backend-first fullstack developer with a Diploma in Informatics Engineering and about 6 years of combined experience across academia and real-world projects. I specialize in Node.js, Python, Flutter, .NET Core, and PostgreSQL, and I enjoy turning ideas into robust, production-ready software. During my career I’ve built apps like a Flutter-based ferry booking mobile app, an HRIS backend, and internal asset management APIs. I value modular architecture, dependency injection, testing, and CI/CD, and I’m passionate about delivering scalable APIs and data models with strong security and reliability.…Hi, I'm Muhammad Jalaludin Qurthubi, a backend-first fullstack developer with a Diploma in Informatics Engineering and about 6 years of combined experience across academia and real-world projects. I specialize in Node.js, Python, Flutter, .NET Core, and PostgreSQL, and I enjoy turning ideas into robust, production-ready software. During my career I’ve built apps like a Flutter-based ferry booking mobile app, an HRIS backend, and internal asset management APIs. I value modular architecture, dependency injection, testing, and CI/CD, and I’m passionate about delivering scalable APIs and data models with strong security and reliability.

Available to hire

Hi, I’m Muhammad Jalaludin Qurthubi, a backend-first fullstack developer with a Diploma in Informatics Engineering and about 6 years of combined experience across academia and real-world projects. I specialize in Node.js, Python, Flutter, .NET Core, and PostgreSQL, and I enjoy turning ideas into robust, production-ready software.

During my career I’ve built apps like a Flutter-based ferry booking mobile app, an HRIS backend, and internal asset management APIs. I value modular architecture, dependency injection, testing, and CI/CD, and I’m passionate about delivering scalable APIs and data models with strong security and reliability.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Mobile Flutter Developer at PT Swamedia Informatika

September 1, 2025 - Present

Developed a complete Flutterferry booking mobile application with 75+ commits and 14K+ lines of code across 15+ feature modules using BLoC/Cubit state management. Implemented comprehensive authentication system supporting Google/Apple/Facebook SSO with Firebase integration, reducing user onboarding time by enabling seamless multi-platform login. Built modular architecture with dependency injection (GetIt), comprehensive testing suite (bloc_test, mocktail), and CI/CD pipeline with multi-environment builds (dev/staging/production). Developed core booking workflow including passenger selection, payment processing, and QR-based ticket management with real-time notifications using Firebase Messaging.

Back-End Intern Developer at CV. Garuda Infinity Kreasindo

October 1, 2024 - October 16, 2025

Implemented 32 RESTful API endpoints using .NET Core for an HRIS system; responsible for API design, documentation, and integration. Optimized PostgreSQL queries, reducing monthly query execution time by approximately 35%. Increased employee data processing throughput by approximately 45% within 3 months through refactoring and indexing.

Back-End Intern Developer at Balai TIK Pendidikan — West Java Education Office

December 1, 2021 - October 16, 2025

Built 12 RESTful API endpoints using Node.js / Express for an internal asset management system. Managed and monitored PostgreSQL databases, accelerating device onboarding processes by approximately 30%. Conducted API testing with Mocha and Chai to ensure reliability and stability. Transitioned to API development with Python / Flask, expanding cross-technology backend experience.