CÔNG TY TNHH GALAXY DIGITAL HOLDINGS

Senior Mobile Developer (Flutter & Android Kotlin/Java)

CÔNG TY TNHH GALAXY DIGITAL HOLDINGS
Location

Ho Chi Minh

  • Salary

    Competitive

  • Experience

    4 - 6 Years

  • Job level

    Experienced (Non - Manager)

  • Deadline to apply

    30/01/2026

Benefits

  • Laptop
  • Insurance
  • Travel
  • Allowances
  • Uniform
  • Incentive bonus
  • Healthcare
  • Training Scheme
  • Salary review
  • Business Expense
  • Annual Leave
  • Sport Club

Job Description

We are looking for a highly skilled Senior Mobile Developer with strong expertise in Flutter and Native Android (Kotlin/Java). You will play a key role in developing high-quality, scalable mobile applications, implementing engineering best practices, and contributing to the technical direction of the product.

  • Analyze project requirements and collaborate with PM and stakeholders to provide accurate effort and timeline estimations.
  • Design, develop, and maintain mobile applications using Flutter and Kotlin/Java.
  • Write clean, maintainable, and testable code following industry best practices.
  • Perform unit testing and participate in code reviews to ensure high engineering quality.
  • Troubleshoot, diagnose, and resolve technical issues; continuously improve performance, stability, and reliability.
  • Work effectively with cross-functional teams (Backend, QA, Product) to ensure successful delivery.
  • Provide technical mentorship and guidance to junior/mid-level developers.
  • Take ownershipofassigned tasks, monitor progress, and ensure timely delivery.
  • Contribute to establishing and maintaining development workflows: branching strategy, codereview standards, testing practices, CI/CD pipelines.
  • Support the publishing, updating, and maintenance of apps on the Apple App Store and Google Play Store.

Job Requirement

Technical Skills

  • 4+ years of hands-on experience developing Android applications using Kotlin/Java.
  • 3+ years of professional experience in Flutter and Dart.
  • Strong understanding of OOP,software architecture, design patterns, data structures, and algorithms.
  • Proven experience delivering production-grade mobile applications.
  • Strong proficiency with Android development tools (Android Studio, Gradle, debugging tools).
  • Solid knowledge of RESTful APIs andintegrating third-party SDKs/APIs.
  • Practical experience with Flutter state management (Bloc, Provider, Riverpod, or similar).
  • Strong analytical, debugging, and problem-solving capabilities.
  • Experience optimizing mobile apps for performance, memory usage,battery efficiency, and smooth UI/UX.

Soft Skills

  • Strong communication and teamwork skills.
  • Ability to work independently with high accountability and ownership.
  •  Ability to contribute effectively to workload estimation and planning discussions.

Preferred Qualifications (What Will Make You Stand Out)

  • Prior experience as a Team Lead or Technical Lead in mobile development. 
  • Hands-onexperience managingthefull apprelease cycle, including handling App Store / Play Store review feedback and ensuring compliance.
  • Ability to manage and upgrade third-party SDKs, libraries, and dependencies to support OS updates and maintain compatibility.
  • Experience working with large-scale apps that integrate multiple partner SDKs (payment, loyalty, tracking, analytics, referral ).
  • Strong self-management skills: ability to plan, prioritize, proactively report progress, and consistently meet deadlines.
  • High accuracy in effort estimation and strong ownership of delivery commitments.
  • A solid product mindset:ability to understand product goals, safeguard application quality, andchallenge non-aligned requirements.
  • Domain experience in:  
  • Fintech / Financial services.
  • Loyalty, membership, orrewardssystems.
  • Apps that require heavy SDK integrations, engagement tracking,or analytics.
  • User growth,engagement,orretention-focused products.
  • Experience with AI tools or AI Agents toenhancedevelopmentproductivity, automation, or analysis.
  • Strong sense of ownership, long-term thinking, and dedication to delivering a stable, high quality user experience.

Work location

Ho Chi Minh
Galaxy Innovation Hub - D1 Road, Hi-Tech Park, District 9, HCMC.

More Information

  • Degree: Bachelor
  • Age: Unlimited
  • Salary: Competitive
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