Full-Stack App Developer

DreamTune Limited; Hong Kong; On-site; HKD 223,000 - 391,000; Full time

Job summary

DreamTune Limited in Hong Kong is building innovative audio-focused mobile applications. We are looking for a Full Stack Engineer to drive the complete product development lifecycle.

You will develop the mobile app (Flutter, iOS/Android), build Python backends (FastAPI/Flask), manage releases across stores, and deploy on Google Cloud Platform or Alibaba Cloud. Independent ownership is valued.

Qualifications

• 3+ years of full stack development experience.
• CS degree or equivalent.
• Strong hands-on with Flutter (Dart) and proven iOS/Android app store releases.
• Strong Python skills with Flask or FastAPI.
• Experience with Firebase authentication and PostgreSQL.
• Experience with Google Cloud Platform or Alibaba Cloud.

Responsibilities

• Develop and maintain the mobile app (Flutter, iOS/Android) with feature iterations and performance optimization.
• Design and build scalable Python backend APIs (FastAPI/Flask).
• Manage app submissions, releases, and reviews on App Store, Google Play, and other app marketplaces.
• Deploy and operate services on Google Cloud Platform (Cloud Run) and Alibaba Cloud.
• Work independently from requirement analysis to design, development, testing, and production deployment.

Skills

Independent ownership

Adaptable learner

Education

CS degree or equivalent

Tools

Flutter (Dart)

App store releases (iOS/Android)

FastAPI/Flask

Firebase authentication

PostgreSQL

GCP Cloud Run

Alibaba Cloud

Job description

We are building innovative audio-focused mobile applications. We are looking for a full stack engineer who can drive app development from back end to front end.

The Role

As our Full Stack Engineer, you will drive the complete product development lifecycle:

• Develop and maintain the mobile app (Flutter, iOS/Android) with feature iterations and performance optimization
• Design and build scalable Python backend APIs (FastAPI/Flask)
• Manage app submissions, releases, and reviews on App Store, Google Play, and other app marketplaces
• Deploy and operate services on Google Cloud Platform (Cloud Run) and Alibaba Cloud
• Work independently from requirement analysis to design, development, testing, and production deployment

What We Are Looking For

• 3+ years of full stack development experience; CS degree or equivalent
• Strong hands‑on experience with Flutter (Dart) and proven iOS/Android app store releases
• Strong Python skills with production experience in Flask or FastAPI
• Experience integrating Firebase authentication in both mobile and backend systems
• Solid PostgreSQL knowledge, including database design and query optimization
• Experience with Google Cloud Platform (Cloud Run, Cloud SQL) and/or Alibaba Cloud deployments
• Key: Ability and willingness to independently take responsibility for products and drive projects without large team support
• Adaptable and eager to learn new technologies

Nice to Have

• Mobile audio streaming development experience (background playback, media controls, low‑latency optimization)
• Top 100 university degree (subject ranking on QS/Times/US News/ShanghaiRanking)
• Strong craftsmanship mindset; communicative and resilient

Other Info

• We are incubated by PolyU's advanced research labs with exclusive audio processing and streaming technologies that are not available elsewhere. Work with cutting‑edge algorithms powering our differentiated product.
• Drive complete mobile app development and see your impact directly in a real, growing user base.
• Join a team rooted in Hong Kong Polytechnic University's research excellence, with access to advanced lab resources and collaboration opportunities.
• Monthly salary: 20K-35K