Middle/Senior Fullstack Engineer (Java/Vue)

About the role

GEM is hiring a Middle/Senior Fullstack Developer (Java + VueJS) for a Korea-based project in the pest control and environmental hygiene industry. The project develops and maintains web, mobile backend, e-commerce, enterprise and IoT platforms, supporting digital transformation and the expansion of its space-care services. The position is open in Hanoi or Ho Chi Minh City.

Key responsibilities

• Develop and maintain web, mobile backend, e-commerce and IoT platforms
• Build scalable backend services and RESTful APIs
• Develop responsive web interfaces and administrative portals
• Integrate internal systems, third-party services and IoT devices
• Optimize system performance, security and reliability
• Perform code reviews, testing, troubleshooting and production support

Required profile

• 4+ years of software development experience
• Strong experience with Java and Spring Boot
• Hands-on experience with Vue 3 and JavaScript/TypeScript
• Knowledge of OSGi or modular application architecture
• Experience with e-commerce, enterprise systems, mobile backends or IoT platforms is a plus; e-commerce experience preferred
• Good problem-solving and English communication skills
• Ability to understand business logic, design solutions and lead development

Required skills

• Java, Spring Boot, OSGi
• Vue 3, JavaScript/TypeScript
• PostgreSQL and/or Oracle, including SQL optimization
• Elasticsearch and Redis
• RESTful APIs, OOP, SOLID principles and design patterns
• Git, Maven/Gradle, Docker, CI/CD

What we offer

• Salary up to 45M gross, with probation salary at 100% of the official salary
• 13th-month salary and two annual performance reviews
• Bonuses for special occasions each year
• Professional certification and training allowances, subject to company regulations
• Health care insurance, annual health assessment and social, health and unemployment insurance under government policy
• Summer trips and team-building activities held monthly and quarterly
• Five-day work week with flexible working hours