Công ty TNHH 8Seneca
Contact:
Nguyễn Thị Hoa
Company type:
Limited Liability
Company size:
0 - 9 people
Headquarters:
Hà Nội
Address:
Coninco Tower 4 Tôn Thất Tùng, Đống Đa, Hà Nội

Senior Java Back-end Developer (Spring, SQL)

Salary: 20,000,000 - 30,000,000 VNĐ
Reward: 0 VNĐ

Recruitment Information

Working conditions

  • Amount of Vacancies: 1 people
  • Degree: bachelor degree
  • Work experience: From 5 đến 7 năm cho vị trí tương đương
  • Gender: No gender requirement
  • Level: Employees

Job Description

    Job description

    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.
    • Apply best practices in coding, architecture, and software design patterns.
    • 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

    • 5-7 years of experience in Java + Spring Framework (REST API, Dependency Injection, Transactions, Security, etc.) Expert level
    • Communicative proficiency in English.
    • SQL , prefer PostgreSQL Expert
    • JPA / Hibernate Expert
    • QueryDSL Expert
    • Practical experience with Docker
    • Familiarity with Agile development (Scrum, Jira)
    • Experience with Kafka or RabbitMQ
    • Knowledge of MongoDB , Elasticsearch
    • Any experience with front-end technologies (eg, 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
    • Open for remote or hybrid work

ERP/SAP/IT CONSULTANT JAPANESE_REMOTE

Company: Viec Oi Client
Workplace:  TPHCM
 Salary:  30-40 million
Deadline: 08/07/2026
 Bonus: Negotiation
trans(common.1036):  TPHCM
 Salary:  30-40 million
Deadline: 08/07/2026
 Bonus: Negotiation

Senior QA/QC (Good English) 1500$~2800$ Gross

Company: Viec Oi Client
Workplace:  TPHCM
 Salary:  39-73 million
Deadline: 08/07/2026
 Bonus: Negotiation
trans(common.1036):  TPHCM
 Salary:  39-73 million
Deadline: 08/07/2026
 Bonus: Negotiation

Sales and Assistant - Japanese & English - No experience required

Company: Viec Oi Client
Workplace:  TPHCM
 Salary:  18-25 million
Deadline: 08/07/2026
 Bonus: Negotiation
trans(common.1036):  TPHCM
 Salary:  18-25 million
Deadline: 08/07/2026
 Bonus: Negotiation

[DISTRICT 1, HCMC] SCRUM MASTER Japanese N2 $3000 GROSS

Company: Viec Oi Client
Workplace:  TPHCM
 Salary:  55-65 million
Deadline: 21/07/2026
 Bonus: Negotiation
trans(common.1036):  TPHCM
 Salary:  55-65 million
Deadline: 21/07/2026
 Bonus: Negotiation

[DISTRICT 1, HCMC] BrSE Japanese N2 - $3000 GROSS

Company: Viec Oi Client
Workplace:  TPHCM
 Salary:  60-70 million
Deadline: 14/07/2026
 Bonus: Negotiation
trans(common.1036):  TPHCM
 Salary:  60-70 million
Deadline: 14/07/2026
 Bonus: Negotiation