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)