Mid/Senior Mobile Developer (Android, iOS, Flutter)

About the role

As Joblogic continues to grow, we are looking for passionate and experienced Mobile Developers to join our team in Vietnam, helping drive our product development and significantly impact our business success.   

In this role, you will be responsible for the development and maintenance of Mobile applications and their integration with backend services. Your primary focus will be writing good quality, testable code. You will also be involved in the refactoring of the legacy code, working alongside other developers on different layers of the infrastructure. Therefore, commitment to collaborative problem-solving and creating quality products is essential.  

What your main focus will be

• Design, build, and maintain high-quality mobile applications across iOS and Android platforms.
• Write clean, testable, and maintainable code using Swift, Objective-C, Kotlin, and Java.
• Translate UI/UX designs and wireframes into efficient and responsive mobile interfaces.
• Collaborate with designers, backend developers, and QA engineers to deliver well-integrated solutions.
• Refactor and modernize legacy codebases (Objective-C to Swift, Java to Kotlin) to align with current best practices.
• Apply modern architectural patterns (MVVM, MVP, Clean Architecture) to ensure scalability and maintainability.
• Optimize application performance and fix bugs to improve app stability, load time, and memory usage.
• Ensure code quality and consistency through code reviews, unit tests, and continuous integration pipelines.
• Work with Flutter (if applicable) to develop or maintain cross-platform modules that integrate with native components.
• Contribute to Agile sprints by helping identify blockers, estimating tasks, and continuously improving the delivery process.
• Take ownership and accountability for your assigned features from design to production release.

What you bring

• 5+ years of professional experience in mobile app development, covering iOS, Android, and Flutter.
• Proficient in:

• Solid understanding of modern mobile architecture patterns, including Clean Architecture, MVVM, and MVP.
• Strong knowledge of data storage and offline persistence, such as SQLite, Realm, Room, and Core Data.
• Experience with notifications, background services, and app lifecycle management on all platforms.
• Proficient with common mobile libraries and frameworks – Alamofire, RxSwift, Swinject, Firebase, Retrofit, Dagger/Hilt, and Flutter packages.
• Good understanding of software engineering principles: SOLID, DRY, and KISS.
• Experienced with Git, CI/CD pipelines, and code review best practices.
• Basic knowledge of web technologies (HTML, JavaScript) for hybrid integrations.
• Experience using AI-assisted development tools (e.g., GitHub Copilot, ChatGPT, Codeium, Tabnine)

Nice-to-have points

• Having a product mindset focused on customer value and business outcomes.
• Strong analytical, debugging, and performance optimization skills.
• Excellent communication and teamwork abilities, with the capacity to work independently when needed.
• Intermediate English communication (both spoken and written).
• Experience with React Native
• Experience with modular, framework publishing
• Experience with Cordova, Ionic framework is preferred
• Experience with Unit Tests, UI Automation Test framework
• Understanding of Agile Software Development methodologies
• Knowledge of Azure DevOps
• Knowledge of Test-Driven Development

Remuneration package and benefits

• Market competitive salary range – commensurate with your experience and abilities
• Software product company with European culture
• English-speaking environment and opportunities for growth and self-development
• Enjoy in a nice office with fun, friendly, talented colleagues around
• Working devices are fully provided
• 100% gross salary in probation
• Full payment for Social Insurance package based on your official salary
• Private health care and annual medical checkup for all staffs
• Annual leave entitlement: 15 days (pro-rata) + loyalty (max 6 days) + 03 sick leaves + public holidays
• Annual Performance and Salary reviews
• 13th-month Salary, Loyalty bonus (from 2-year tenure)
• Company events: Company Trip, Year-end Party, Quarterly team building
• Weekly sport activity (Football, Pickleball) and yearly competition
• Daily snacks and drinks provided, Happy Hour every Thursday
• Voucher allowances for your birthday, newborn baby, marriage and compassionate
• Gift for holiday: Tet festival, International Women’s day, Joblogic’s Men day
• Trade Union benefits after Probation (allowances on VN Holidays, Mid-Autumn cake,…)
• Other perks: Joblogic Academy, Certificate sponsorship, Internal training/workshop, etc.

About Joblogic

Established in 1998, Joblogic is the UK’s #1 Field Service Management (FSM) software platform. We are a global business with offices in the UK, Pakistan, and Vietnam. Since our management buy-out in 2013, we have grown from ~£500K ARR to ~£35M+ ARR and expanded our team from 11 to 500+ people.

Recently, we secured a strategic growth investment from Vista Equity Partners — a global technology investor specialising in enterprise software. This investment includes over £100 million in new primary capital and will fuel our next phase of growth by accelerating our AI-first roadmap, expanding our platform into CAFM (Computer-Aided Facilities Management) capabilities, and supporting our expansion across Europe and beyond.

With Vista’s backing, we’re transforming from a successful UK business into a global scaling SaaS rocket ship — and we’d love for you to join us on our journey to £100M ARR across international markets.

Joblogic provides software to service contractors who install and maintain the built environment. Our platform helps businesses streamline operations, improve profitability, ensure compliance, and achieve rapid growth. With over 100,000 users across industries including HVAC, plumbing, electrical maintenance, facilities management, and building fabric maintenance, we are entering a new era of intelligent automation, predictive maintenance, and data-driven decision-making for service firms.