Java Lead - OSS / BSS / Telecom Billing System

Job Description :

• 5+ years of Java backend development experience.
• Minimum 5 years of domain expertise in telecom, specifically in OSS / BSS / TelecomBilling inventory systems.
• Strong analytical and problem-solving skills.
• Excellent communication and stakeholder interaction abilities.
• We are looking for a skilled Java Backend Developer with strong experience in telecom inventory systems to design, build,and maintain backend services that manage the physical and logical inventory of telecom network elements
• Minimum 5 years of domain expertise in telecom,specifically in OSS inventory systems
• Experience with Oracle,PostgreSQL,or MySQL
• Design and develop backend services for inventory management of telecom network elements.
• Build Java-based services integrating with OSS systems such as Network Configuration, Order Management, and Fulfillment.
• Model complex physical / logical inventory elements (e.g., circuits, ports, devices).
• Write clean, efficient, and maintainable Java code using appropriate design patterns.
• Develop and expose RESTful APIs for upstream systems to consume inventory data.
• Ensure data integrity while integrating with relational databases.
• Collaborate closely with domain architects and business analysts to interpret and refine business requirements.
• Troubleshoot and resolve backend performance issues and data inconsistencies.
• Core Java : OOP principles, Collections, Multithreading, Exception Handling.
• Telecom OSS Platforms : Experience with systems like Amdocs, Netcracker, Cramer, Granite, Telenium, etc.
• Inventory Modeling : Strong understanding of physical / logical network components and entity relationships.
• Database : Proficiency in SQL, JDBC; experience with Oracle, PostgreSQL, or MySQL.
• API Development : Hands-on experience with REST APIs, JSON / XML parsing.
• Frameworks : Spring (Core, Boot, MVC).
• Messaging & Real-Time Processing : Experience with JMS or Kafka.
• Architecture : Exposure to Microservices and containerization tools like Docker / Kubernetes.
• OSS / BSS Domain : Familiar with service provisioning, activation, and asset lifecycle.
• Telecom Standards : Knowledge of TM Forum SID, TR-069, MEF models.
• Visualization & GIS Tools : Familiarity with tools like ArcGIS, NetViz.
• Network Tools Integration : Understanding of network discovery tools, GIS data integration, or topology modeling.

(ref : hirist.tech)