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Qualgo Technologies

, TP Hồ Chí Minh

Company Size : 10-24

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Job Summary

  • 10-24
  • Product
  • Việt Nam

Senior Mobile Engineer

Qualgo Technologies

  • Quận 1, TP Hồ Chí Minh
  • Negotiable
  •  Full Time
  •  Experienced (Non-Manager)
1
1

  •  Posted:22/11/2025

  • Apply now
Senior Mobile Engineer
Apply now
Technical Skill: Mobile App , Android , Kotlin , Java , JUnit , VPN , Android SDK , MVVM , Android Studio , Espresso , Clean Architecture , CI/CD , Cyber Security

Job description

Overview of job

Role Summary: 

As a Senior Software Engineer - Mobile (Android), you will be responsible for the design, and development of our Android applications. You will play a critical role in ensuring high performance, scalability, security, and a world-class user experience. You will work closely with other engineers, product managers, designers, and QA specialists to deliver innovative and impactful mobile solutions. You will be a hands-on contributor, writing code, reviewing code, and mentoring other engineers. 

Key Responsibilities: 

Hands-on Development: 

  • Design, build and maintain the end-to-end implementations that protect user privacy and user’s daily activities on digital platforms across the entire Android ecosystem. 
  • Collaborate with cross-functional teams (Product, QA, Backend, SOC, etc.) to deliver the secure, high-performance implementations aligned with the team’s overall strategy. 
  • Conduct code reviews to ensure code quality and adherence to best practices. 

Performance Optimization: 

  • Identify and address performance bottlenecks in the Android applications. 
  • Optimize application performance for speed, responsiveness, and battery efficiency. 

Mentorship: 

  • Conduct code reviews to ensure code quality and adherence to best practices. 
  • Mentor and coach junior engineers, helping them grow their technical skills. 

Security: 

  • Implement secure coding practices to protect user data and prevent vulnerabilities. 
  • Work closely with the security team to address security concerns. 

Problem Solving: 

  • Troubleshoot and resolve complex technical issues. 
  • Perform the duties and tasks assigned by your direct report or as otherwise instructed by the Company. 
  • Competitive salary and benefits package.
  • Opportunity to work on a product that impacts millions of users.
  • A dynamic and supportive work environment.
  • Premium health insurance for you and your family.
  • Professional growth and development opportunities.
  • Annual leave 12 - 14 days per year + 1 Birthday Leave + 1 X’Mas.
  • Performance review: once per year.
  • Internal training/sharing and professional Training courses.
  • Team building, company trip, year end party, monthly activities.
  • Devices: Macbook and screen (If needed).
  • Free tea and coffee.
  • Comfortable working area.
  • Working hour: 9 am – 6pm from Monday to Friday.

Job Requirement

  • Bachelor's degree in Computer Science, Engineering, or a related field.  
  • Minimum of 5+ years of experience in Android application development. 
  • Extensive experience with Kotlin (preferred) and Java. 
  • Deep understanding of the Android SDK, Android Studio, and common Android libraries. 
  • Experience with building large-scale, high-performance Android applications. 
  • Experience with architectural patterns (e.g., MVVM, Clean Architecture). 
  • Experience with testing frameworks (e.g., JUnit, Espresso). 
  • Experience with CI/CD pipelines for Android. 
  • Experience with secure coding practices. 
  • Experience with VPN technologies is a strong plus. 
  • Experience with performance profiling and optimization 
  • Experience working in an Agile environment. 
  • Experience working in Vietnam or Southeast Asia is a plus. 

Required skills: 

  • Exceptional technical skills in Android development. 
  • Strong problem-solving and analytical abilities. 
  • Excellent communication and collaboration skills. 
  • Ability to lead and mentor other engineers. 
  • Passion for building high-quality, user-centric mobile applications. 
  • Fluency in English, Vietnamese proficiency is a plus. 

Languages

    • English

    • Speaking: Fluently - Reading: Fluently - Writing: Fluently

Technical Skill

  • Mobile App
  • Android
  • Kotlin
  • Java
  • JUnit
  • VPN
  • Android SDK
  • MVVM
  • Android Studio
  • Espresso
  • Clean Architecture
  • CI/CD
  • Cyber Security

COMPETENCES

  • Agile
  • Problem Solving Skills
  • Analytic Skills
  • Communication Skills
  • Teamwork
  • Coaching Skills

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BUSINESS PROFILE

Qualgo Technologies is a tech startup with innovative products and services.

Our mission is to create solutions that are not just new but necessary tools that will redefine how people interact with technology. As we stand at the threshold of this exciting venture, we are in search of the first wave of exceptional talents to join our ranks.

We're looking for individuals who are not just looking for a job, but a calling; pioneers eager to dive into uncharted territories and leave a mark on the world.

If you're driven by innovation, fueled by curiosity, and ready to be part of something truly groundbreaking, we want you. Join us, and let's build the future together.

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