Senior Java Developer- Telecom Domain

As the global leader in high-speed connectivity, Ciena is committed to a people-first approach. Our teams enjoy a culture focused on prioritizing a flexible work environment that empowers individual growth, well-being, and belonging. We’re a technology company that leads with our humanity—driving our business priorities alongside meaningful social, community, and societal impact. Join Ciena's Blue Planet division to help build next-generation cloud-native applications that automate and optimize complex global networks. This role offers the opportunity to design scalable Java-based microservices, develop high-performance APIs, and contribute to innovative digital transformation initiatives. Work alongside cross-functional teams to deliver reliable, secure, and enterprise-grade software solutions. How you will make an impact: • Lead the design, development, testing, and deployment of microservices and REST APIs built with Java, Spring Boot, PostgreSQL, and Kafka using Agile methodologies. • Develop and maintain scalable REST APIs and backend services for enterprise networking and automation platforms. • Drive technical direction through design reviews, code quality initiatives, performance tuning, and production readiness activities. • Architect cloud-native applications that deliver high availability, performance, and scalability. • Implement containerized solutions using Docker and Kubernetes/OpenShift in cloud environments. • Troubleshoot complex production issues, identify root causes, and implement durable fixes that improve system reliability. • Collaborate with product managers, QA engineers, and cross-functional teams to deliver business-critical features while driving continuous improvement. The must haves: • Education: Bachelor's or Master's degree in Computer Science, Engineering, or a related field. • Experience: 8+ years of software development experience with strong hands-on expertise in Java and Spring Boot. • Deep experience designing and building microservices, REST APIs, and distributed systems. • Strong knowledge of PostgreSQL or MySQL, including data modeling, query optimization, and performance tuning. • Experience with Docker, Kubernetes/OpenShift, and microservice deployment strategies. • Strong debugging, problem-solving, and incident-handling skills in production environments. • Strong system design and architecture skills, with the ability to make practical tradeoffs and influence technical direction. Nice to haves: • Knowledge of networking concepts, protocols, and telecom domain applications. • Experience with event-driven architectures, messaging platforms, API gateways, or Kafka-based solutions. • Exposure to CI/CD pipelines, DevOps practices, and infrastructure automation. • Experience working with large-scale cloud-native platforms and distributed environments. • Experience with Ansible Playbooks and infrastructure orchestration. • Familiarity with frontend or full-stack web development technologies. • …