2 Senior Backend Developer (Java/Spring/SQL/AWS/Agile)

Top 3 reasons to join us

• Môi trường toàn cầu, chuyên nghiệp, thoải mái.
• Thỏa sức sáng tạo trong công việc.
• Tiếp cận công nghệ tiên tiến Nhật Bản và quốc tế.

Job description

• Develop and maintain robust, scalable, and efficient back-end systems for platforms supporting Willer's global transportation and travel projects.
• Collaborate with product teams to ensure the back-end architecture supports project requirements and delivers seamless user experience.
• Optimize server-side performance, scalability, and security to handle the needs of international users.
• Continuously integrate and implement the latest back-end technologies, frameworks, and best practices to improve the system's efficiency and functionality.
• Troubleshoot, debug, and enhance existing back-end features and systems to ensure a stable and high-performance user experience.

Your skills and experience

1. Technical Skills

• Programming Language: Proficient in Java, with experience in Spring Framework, Micronaut (Spring Boot, Spring Cloud, Spring Data) or Micronaut.
• System Architecture: Strong understanding and experience in implementing Microservices Architecture, applying SOLID principles, and common design patterns.
• Database: Proficient in working with SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis, Cassandra, Dynamodb etc.). Knowledge of ORM (JPA, Hibernate).
• Docker & Kubernetes: Experience with Docker, understanding how to containerize applications. Experience in deploying and managing services on Kubernetes is a plus.
• Cloud: Experience with AWS, GCP, or Azure is a plus (EC2, S3, Lambda, API Gateway, RDS, etc.).
• Message Queue & Event-driven Architecture: Experience with Kafka, RabbitMQ, or AWS SQS/SNS.
• Security: Understanding of API security concepts (OAuth2, JWT, OpenID Connect) and system security.
• CI/CD: Experience in setting up pipelines using Jenkins, GitLab CI/CD, GitHub Actions, or ArgoCD.

2. Experience & Soft Skills

• At least 4-5 years of experience as a backend developer.
• Experience in developing and maintaining scalable & high-availability systems.
• Familiarity with handling high concurrent requests.
• Strong problem-solving and analytical thinking skills.
• Experience working in an Agile/Scrum environment.
• Good communication and teamwork skills, with the ability to mentor and support junior developers.

3. Nice to Have

• Experience with gRPC or GraphQL.
• Knowledge of Serverless architecture.
• Familiarity with Observability (Logging, Monitoring, Tracing) using ELK, Prometheus, Grafana, OpenTelemetry.

Why you'll love working here

• Collaborative Culture: Work in a supportive environment where everyone’s ideas are valued and communication is open.
• Growth Opportunities: Access mentorship, professional development programs, and continuous learning to advance your career.
• Inspiring Team: Join a team of motivated, passionate individuals who encourage and inspire each other every day.
• Impactful Work: Your contributions truly matter and help shape the company’s success.
• Team-building activities:  Team-building activities and vacation trips help you maintain a healthy work-life balance while strengthening connections with your colleagues.