Backend Developer with proven experience in designing and implementing complex, large-scale distributed systems. Expertise in Java/J2EE, REST/SOAP APIs, SQL, Linux/Unix, and CI/CD pipelines (Jenkins, Maven). Strong analytical skills, proficiency in Agile methodologies, and technical ownership of core modules. Experienced in telecom billing systems and cloud environments (AWS). Team player with the ability to take full ownership and deliver independently. Passionate about technology, with