Senior Java Back-end Developer

11 hours ago

Hà Nội, Vietnam 8Seneca Full time

**8Seneca***:
Pure play IT team extensions B2b exclusive outsourcing of highly qualified IT professionals
- Company type
- IT Outsourcing
- Company industry
- IT Services and IT Consulting
- Company size
- 1-50 employees
- Country
- Singapore
- Working days
- Monday - Friday
- Overtime policy
- No OT
- At office
- Skills:

- Java

SQL

Spring

**Top 3 reasons to join us**:

- 13th bonus salary, project bonus
- Health insurance
- Annual leave: 14 days/year + 3 days/year Christmas

**Job description**:
**About the Role**:
We are looking for an experienced **Senior Java Back-end Developer** to join our development team. If you’re passionate about building high-quality, scalable systems and have over 7 years of hands-on experience with Java and the Spring ecosystem, we’d love to hear from you.

In this role, you'll take part in designing and developing robust back-end solutions using modern technologies, best practices and will work directly with product owner and found of the product company

**Your Responsibilities**:

- Design and implement high-quality, scalable, and secure backend services using Java and the Spring ecosystem.
- Develop and maintain RESTful APIs for frontend and external integrations.
- Write efficient SQL queries and work with PostgreSQL databases for data modeling and optimization.
- Implement and maintain data persistence using JPA/Hibernate and QueryDSL.
- Participate in code reviews, mentor junior developers, and share knowledge within the team.
- Collaborate with DevOps on Dockerized deployments and microservices environments.
- Support Agile delivery through sprint planning, stand-ups, and retrospectives using Jira.
- Maintain technical documentation for developed features and APIs.
- Ensure system security and data protection in line with compliance and standards.
- Troubleshoot production issues and implement long-term fixes.

**Your skills and experience**:
** Must-have**:

- **7 years of experience in Java + Spring Framework** (REST API, Dependency Injection, Transactions, Security, etc.) - **Expert level**:

- **SQL**, preferably **PostgreSQL** - **Expert**:

- **JPA / Hibernate** - **Expert**:

- **QueryDSL** - **Expert**:

- Practical experience with **Docker**:

- Familiarity with **Agile development (Scrum, Jira)**

**Nice-to-have**:

- Experience with **Kafka or RabbitMQ**:

- Knowledge of **MongoDB**, **Elasticsearch**:

- Any experience with front-end technologies (e.g., **Angular, React, Vue**) is a plus

**Why you'll love working here**:

- Opportunity to work on interesting, technically advanced projects
- Ability to shape system architecture and influence key decisions
- Modern work environment and friendly company culture
- Competitive salary and compensation package

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