Full-stack Mobile App Developer (Java/Flutter)

Top 3 reasons to join us

• Be part of a fast growing US technology company.
• Competitive compensation and benefit package.
• Positive and supportive work environment.

Job description

Job Title: Full-stack Mobile App Developer
Employment Type: Full-time/Consultant (Part-time)

• Write clean, structured, and well-documented code in Flutter and Java.
• Develop and maintain iOS and Android applications for Affirmifi.
• Contribute to the next generation of our mobile applications.
• Be involved in the entire development process—from brainstorming and wireframing to user stories, design, coding, testing, and launch.
• Work closely with the product manager and team to efficiently plan the backlog and contribute to technical discussions with clients when needed.
• Continuously explore new technologies and innovative solutions to tackle technical challenges.
• Collaborate with team members to define internal processes and drive company-wide initiatives.
• Work alongside the QA team to ensure product quality and stability.
• Diagnose and fix bugs and performance issues to ensure a seamless, native-like experience.
• Engage with the open-source community to contribute to key software fixes and enhancements.
• Make a big impact in a small, agile team by taking ownership and driving meaningful change.

Your skills and experience

Backend Development (Java, Spring Boot)

• Strong proficiency in core Java language programming concepts, data structures, and algorithms.
• In-depth knowledge of Spring Boot, Hibernate, and JPA.
• Experience with RESTful web services and API design.
• Proficiency in SQL and experience with relational databases (e.g., PostgreSQL).
• Familiarity with NoSQL databases (e.g., MongoDB, Redis).
• Experience with Kafka.
• Experience with version control systems (Git) and build tools (Maven, Gradle).
• Knowledge of Cloud platforms (AWS, GCP, Azure) is a plus.

Frontend Development (Flutter, Dart)

• Strong knowledge of the Flutter framework and Dart programming language.
• Proficiency in state management (e.g., Provider, Riverpod).
• Experience with Firebase and cloud services.
• Ability to integrate third-party libraries (e.g., Dio for networking, Flutter Secure Storage).
• Ability to create responsive and visually appealing UI using Material Design and Cupertino widgets.

Soft Skills & Communication

• Fluent English communication (both verbal and written) is required.
• Ability to take initiative and contribute proactively.
• Strong team collaboration and ability to keep team members updated.
• Experience working with Agile methodologies (Scrum/Kanban).

Why you'll love working here

• Be part of a fast-growing US-based company.
• Cool office and working environment in Tan Binh District.
• Performance-based bonus, feedback, and rewards.
• Laptop and necessary equipment provided.
• 12 days of annual leave and Premium Healthcare for official full-time employees.
• Onsite lunch and dinner with a variety of options.
• Free coffee, tea, snacks, fruit all day, and Happy Dinner every Friday.
• Budget for team building/team bonding activities.
• Flexible working hours.