Java Developer – Telecom Billing Domain

About the Role

We are seeking a Java Developer with hands-on experience in telecom billing systems to join our technology team. The ideal candidate will be responsible for designing, developing, and maintaining Java-based applications that support mission-critical billing processes within a telecommunications environment. You will be responsible for adding new features, correct business process changes, bug fixing, different integration and correction of the customer portal.

Key Responsibilities

• Design, develop, test, and deploy scalable Java-based applications supporting telecom billing platforms.
• Work closely with Business Analysts and Product Owners to gather billing-related requirements and translate them into technical specifications.
• Integrate Java applications with rating, mediation, invoicing, and customer management systems.
• Enhance and maintain existing billing modules, ensuring they are accurate, compliant, and efficient.
• Optimize application performance, especially in high-volume transaction environments typical of telecom operations.
• Write and maintain technical documentation.
• Collaborate with DevOps, and support teams to ensure system stability and timely issue resolution.

Required Qualifications

• 2+ years of professional experience in Java Core development 
• Solid knowledge of object-oriented principles approach
• Understanding monolithic architecture and multi-threading.
• Experience in the telecommunications domain, especially with billing, rating, mediation, or revenue assurance. 
• Knowledge of telecom billing standards such as TPM (Telecom Product Management), RA (Revenue Assurance) processes, taxation processes management. 
• Familiarity with SOAP/RESTful APIs, SQL/PLSQL, and relational databases like MySQL, or Oracle, PostgreSQL. 
• Commercial experience in AWS services utilization 
• Perfect knowledge of GIT and delivery pipelines. 
• Comfortable working in a Linux environment for development, deployment, and troubleshooting.
• Experience with monitoring tools such as Grafana for troubleshooting.
• Experience in writing unit and integration tests.

Preferred Skills

• Experience with billing platforms development.
• Experience working with high-throughput transactional systems.
• Exposure to monolith and microservices architecture 
• Understanding of containerization tools like Docker or Kubernetes.
• Understanding of data processes, data transformation, and mediation engines.
• Knowledge of CI/CD pipelines, source control (Git), and agile development methodologies.
• Knowledge of PHP backend frameworks, HTML, CSS to support integration between billing and customer portal 

Soft Skills

• Strong analytical and problem-solving abilities.
• Excellent communication and documentation skills.
• Ability to work independently and within cross-functional teams including business team.
• Detail-oriented with a focus on delivering high-quality solutions.
• Good English speaking communication and writing skills

Education

• Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.