Senior Flutter Developer – Build Global Mobile Apps

HubX Inc.; Fatih; On-site; TRY 300,000 - 540,000; Full time

Benefits offered by this job

Daily essentials: commuting and meal

MacBook provided

Wellbeing program and private medical

Gym reimbursement

Office in Istanbul (Maslak)

Coffee, snacks & kitchen

Learning budget & Cambly sessions

Team events & All Hands

HubX app premium access

Birthday leave & gift voucher

Job summary

HubX is seeking a Senior Flutter Developer to join the Supernova studio. You will craft high-quality mobile apps with Flutter, focusing on performance and scalable UI architectures. You’ll work in a vibrant, studio-based environment across cross-functional teams.

The role offers ownership from day one, with autonomy to experiment and iterate on ideas that impact millions of users. Expect a fast-paced, collaborative setting in Istanbul offices.

Qualifications

• 5+ years of hands-on mobile development with Flutter and Dart.
• Experience shipping production-grade mobile apps in fast-paced environments.
• Strong knowledge of state management (Bloc) and REST/WebSocket integrations.
• Proficient with Flutter widget architecture and performance tuning.
• Familiarity with Git, CI/CD, and testing practices.

Responsibilities

• Build and maintain high-performance mobile applications using Flutter and Dart.
• Design responsive and adaptive UIs with Material and Cupertino widgets.
• Implement and manage state using Bloc, Provider, or Riverpod.
• Integrate RESTful APIs and WebSocket connections.
• Apply clean code principles and follow SOLID practices.
• Optimize app performance and debug using Flutter DevTools.
• Participate in CI/CD pipelines and version control processes.
• Work on rapid prototyping and MVP development cycles.

Skills

Flutter & Dart

Bloc state management

RESTful APIs

WebSocket

Flutter DevTools

Performance optimization

Git & CI/CD

Clean code / SOLID

Tools

MacBook provided

Job description

HubX is seeking a Senior Flutter Developer to join the Supernova studio. You will craft high-quality mobile apps with Flutter, focusing on performance and scalable UI architectures. You’ll work in a vibrant, studio-based environment across cross-functional teams.

The role offers ownership from day one, with autonomy to experiment and iterate on ideas that impact millions of users. Expect a fast-paced, collaborative setting in Istanbul offices.