Logo
COME AND SHINE WITH VTI

Middle Java Developer

Middle Java Developer

JOB DESCRIPTION
We are looking for a Middle Java Developer with 3+ years of experience to join our Open API development team. You will work on enterprise projects for Korean clients, participating in backend development, testing, and software quality assurance throughout the software development lifecycle.
Responsibilities
Develop and maintain the Back-end of Open API Services.
Design, develop, and enhance backend applications using Java.
Develop backend components based on the project's Back-end SDK.
Participate in software design, coding, code review, and performance optimization.
Perform Unit Testing, Integration Testing, and fix defects identified during development.
Create and maintain test cases for assigned features.
Troubleshoot, analyze, and resolve technical issues.
Collaborate with Business Analysts, Front-end Developers, QA Engineers, and other stakeholders to deliver high-quality software.
Follow coding standards, development processes, and best practices.
Support Technical Leads in ensuring project quality and timely delivery.
REQUIREMENTS
Requirements
Mandatory Qualifications
At least 3 years of experience in Java Backend development.
Strong knowledge of Java Core and Object-Oriented Programming (OOP).
Experience or knowledge in:
Java Encryption
JavaScript
XML
Oracle SQL
Experience with or willingness to learn:
CubeOne
Nexacro Platform
Strong programming fundamentals and coding standards.
Ability to test your own code, identify issues, and fix bugs independently.
Experience writing Unit Tests and creating Test Cases.
Strong analytical and problem-solving skills.
Self-motivated, responsible, and proactive.
Willing to work onsite in Korea or other project locations when required.
Preferred Qualifications
Good English communication skills.
Experience working with international or Korean clients.
Experience developing Open API Services or enterprise applications.
Familiarity with Agile/Scrum development methodology.
BENEFITS
Minimum 13 months salary per year - not including other bonuses such as KPI bonus for work efficiency, project bonus and revenue bonus. We do performance review twice a year. You will work in a professional, dynamic and friendly environment.
VTI offer annual health check-ups and fully pay social insurance, health insurance and unemployment insurance premium following the Labor law.
We offer one vacation/company trip and 4 teambuilding trips per year for every employees, along with various entertainment activities including: Swimming Clubs, Yoga, Zumba, Kendo and music order via internal Radio channel.
Two MVPs will be rewarded with a free trip to Japan, Taiwan, Singapore, or else.
We offer variety promotion opportunities and chance to raising income for people with capacity, enthusiasm, and long-term commitment.
We offer free Japanese class at the company.
We provide training opportunities to help our people to improve their skills. We support our members to learn and get Cloud, AWS, PMF, PMP certification.
Working hour from: 08:30am to 05:30pm. From Monday to Friday.

Expired at Jul 31, 2026

Expired atJul 31, 2026

Job Details

Quantity:
1
Locations:
Hà Nội
Experience required:
3 years
Level:
Middle
Job Type:
Bodyshop
Skills:
Java
Salary range:

Expired atJul 31, 2026