Java Programmer
ジャバプログラマー
Industry & Occupation
Classification
Summary
Technical role involving design, implementation, testing, and maintenance of business systems and web applications using the Java programming language.
Description
Java programmers primarily develop server-side aspects of business systems and web applications written in Java. They are involved in all phases of the system lifecycle, from requirements definition, basic design, and detailed design to implementation, unit testing, integration testing, release, and operation and maintenance. They utilize object-oriented design and design patterns, and develop using frameworks such as Spring Framework. Important tasks also include integration with databases (RDBMS), API design, performance tuning, and security measures. Code reviews within the team, documentation creation, and CI/CD setup require collaborative work.
Future Outlook
Demand for developing corporate systems and web services remains high. Demand for Java engineers capable of handling cloud-native and microservices is increasing, indicating stable demand.
Personality Traits
Has curiosity or inquisitiveness / Has logical thinking / Has patience / Polite and courteous
Work Style
Contract Development / Flex / Full Remote / In-House Development / Team Development
Career Path
Junior Java Programmer → Senior Java Engineer → Tech Lead → Architect → Project Manager
Required Skills
Java Programming / OS Basic Operations / Object-Oriented Design / SQL / Version Control
Recommended Skills
Build Tools / CI Pipeline Construction / Cloud Platforms / Container Technology / Web Frameworks
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Analytical & Logical Thinking | Because it is necessary to logically organize complex business requirements and incorporate them into the design. |
| Attention to Detail & Accuracy | Because small mistakes can lead to system failures. |
| Learning Agility & Knowledge Acquisition | To adapt to Java version upgrades and changes in related technologies. |
| Problem Solving | Required to identify and resolve causes of bugs and performance issues. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Physical Stamina & Endurance | Mainly desk work with low physical demands. |
Related Qualifications
- Basic Information Technology Engineer Examination
- Oracle Certified Java Programmer
Aliases
- Java Developer
- Java Engineer
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