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.
• Exposure to observability tools, monitoring frameworks, application performance management, and network automation solutions.

#LI-FA

At Ciena, we are committed to building and fostering an environment in which our employees feel respected, valued, and heard.  Ciena values the diversity of its workforce and respects its employees as individuals. We do not tolerate any form of discrimination.

Ciena is an Equal Opportunity Employer, including disability and protected veteran status.

If contacted in relation to a job opportunity, please advise Ciena of any accommodation measures you may require.