Java Developer

What the job involves

A Java developer designs and writes the server side of applications in Java: internal company systems, banking and payment services, integrations and APIs for mobile and web clients. They make sure the code is clear, fast and secure, take part in architecture discussions, fix bugs and support the system after release. Java has long been used in large projects where stability and long-term maintenance matter.

Skills you need

• Java basics and object-oriented programming
• collections, exceptions and a basic grasp of multithreading
• the Spring framework and building REST APIs
• SQL and relational databases
• Git, project builds and writing tests
• algorithms and data structures at a practical level
• accuracy and the habit of checking your own code

How to start and learn

First learn the syntax and the principles of OOP, then move on to small console programs and after that to a simple Spring web service with a database. The course for this profession assumes some basic knowledge of programming, so a complete beginner should first get comfortable with the basics of logic and any one language. Build a portfolio on GitHub and learn to read other people's code, which is everyday work in Java teams. Entry into the profession usually goes through a junior or intern position.

Where they work

In Armenia Java developers are in demand in banks and financial companies, at outsourcing studios and international companies with offices in Yerevan, in product teams and as freelancers. Java is also a solid base for moving to Kotlin and Android development.