HAIBAZO JSC was established in April 2024, we specialize in providing technology solutions, developing large systems for Japanese customers in various domains (E-Commerce, Education, Finance...).

Design, develop, and maintain scalable, secure, and high-performance RESTful APIs using Java and Spring Boot.
Optimize backend performance, ensuring low latency and high availability.
Work closely with frontend developers (React) to integrate APIs and ensure aseamless user experience.
Architect and design databases (PostgreSQL/MySQL/Redis/Elasticsearch) with efficient schema, indexing, and query strategies.
Design and implement microservices architecture, ensuring service independence, scalability, and fault tolerance.
Collaborate with DevOps engineers to ensure CI/CD automation and experience with Cloud platforms, preferably AWS, including deployment, monitoring, and scaling (ECS, EKS, Lambda, S3, RDS, etc.).
Write clean, maintainable, and well-documented code following industry best practices.
Perform unit and integration testing to maintain high code quality.
Troubleshoot and debug production issues, ensuring quick resolution.
Participate in code reviews and provide constructive feedback to team members.

5+ years of experience with Java Spring Boot
Experience working with Spring Framework (Spring Boot, Spring Cloud, SpringData, Spring Security ... ).
Experience developing backend applications following architectures such as Clean Architecture, Onion Architecture, Domain-Driven Design.
Hands-on experience with CI/CD pipelines, Docker, and Kubernetes.
Experience with at least one Message Queue system (Kafka, RabbitMQ, ... )
Experience in data security (OAuth2, JWT, OWASP, encryption, ... ).
Experience working with databases (PostgreSQL, Redis, Elasticsearch).
Excellent problem-solving skills, strong ownership, and ability to work in an agile environment.

Salary range: up to 40.000.000 VND/month
Full salary during the probation period
13th-month salary bonus according to company regulations.
Performance salary: 02 times/year.
Bonus every year (based on job performance and business results).
Social insurance contributions in accordance with Vietnamese labor laws, annual health check-ups.
A green, clean, and beautiful workspace with a modern, fully equipped pantry.
Participate in daily tea break activities, lively events, and sports activities such as football and games, and monthly open talks.
Team-building and annual company trips.