Staff Software Engineer

Job Description

Calix provides the cloud, software platforms, systems and services required for communications service providers to simplify their businesses, excite their subscribers and grow their value. We are seeking a highly skilled and motivated Staff Software Engineer to join our dynamic team. The ideal candidate will possess extensive experience in software development, with a strong focus on Java/J2EE, Linux, microservices, REST APIs, and high availability systems. Key Responsibilities: Design and implement innovative solutions: Design, code, and debug complex software systems, continuously enhancing their performance and functionality. Solve problems efficiently: Investigate and resolve software-related issues, optimizing performance and providing exceptional user experiences. Be an active team member: Engage in discussions, brainstorm ideas, and suggest solutions, shaping the direction of our shared services. Implement and sustain high availability (HA) solutions, clustering, redundancy, and stateful failover mechanisms. Develop and integrate REST APIs, ensuring smooth communication between different components. Remain forward-thinking: Advocate for new technologies that enhance productivity and efficiency, keeping our tech stack up-to-date and effective. Qualifications: A Bachelor s degree is required, with a Master s degree in a related field preferred. Over 12 years of progressive experience in developing distributed, multi-tier enterprise applications, particularly for element and network management platforms, ideally within Access Networks or telecommunications products. More than 8 years of extensive experience in designing and developing Linux and JAVA/J2EE based applications using Microservices/SOA architecture, Spring Boot, OOP principles, Collections, Multithreading, interprocess communication, exception handling, memory management, packages, JVM, among others. Demonstrated expertise in designing and implementing FCAPS solutions that are geographically diverse, highly scalable, and support high concurrency and multithreading. Over 8 years of experience in creating solutions with REST APIs, JSON, XML, Postgres, MongoDB, ELK Stack, SNMP, and Netconf/Yang. Extensive experience in building authentication and authorization systems utilizing modern technologies like OAuth and LDAP/Radius. Significant experience in establishing High Availability (HA), Clustering, Redundancy, and Stateful Failover through design, implementation, and deployment. Proven track record in performance benchmarking and database optimization. Practical experience with containerization frameworks including Docker, Kubernetes, or comparable tools. Familiarity with various Linux tools related to source code version control, code review, bug tracking, and CI/CD, such as Git, Gerrit, Jira, and Jenkins. Solid understanding of Networking and Broadband technologies is a plus. Location: India - (Flexible hybrid work model - work from Bangalore office for 20 days in a quarter)