Sr. Java Developer

Job description

Major Role and Responsibility:

• Proficiency in Java, with a good understanding of its ecosystems


• Sound knowledge of Object-Oriented Programming (OOP) Patterns and Concepts


• Familiarity with different design and architectural patterns


• Skill for writing reusable Java libraries


• Knowhow of Java concurrency patterns


• Basic Understanding of the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services


• Relevant Knowledge of Java GUI frameworks like Swing, SWT, AWT according to project requirements


• Experience in handling external and embedded databases


• Understanding basic design principles behind a scalable application


• Skilled at creating database schemas that characterize and support business processes


• In-depth knowledge of code versioning tools, for instance, Git

Key proficiency areas:

• Language: JAVA 8 and above


• Databases: MySQL and Mongo DB


• Media Components: FFMPEG, WOWZA


• Framework: Spring Boot with Hibernate

Must have experience in:

• Managing Telco grade billing engine


• Complete understanding on payment gateway integrations like Razor pay, Paytm, Stripe etc.


• Complete understanding on both subscription and event based billing integrations.


• Complete understanding on user billing workflows of activations, renewals, refund, cancellation etc. and managing customer life cycle


• Knowledge on creating media components over Wowza streaming engine and FFMPEG transcoding services.


• Multithreading and Synchronization


• Databases ( Mongo and MySQL)