Sr. C++ Developer

Ciena is committed to our people-first philosophy. Our teams enjoy a culture focused on prioritizing a personalized and flexible work environment that empowers an individual’s passions, growth, wellbeing and belonging. We’re a technology company that leads with our humanity—driving our business priorities alongside meaningful social, community, and societal impact.

What You Will Do at Ciena:

As a Software Developer, you will contribute to the development of advanced network design and engineering applications for Real-Time Network Planning on Ciena's innovative Navigator Apps platform. Your work will empower customers to design and deploy SONET/SDH, OTN, and Optical DWDM networks using Ciena’s market-leading optical products and technologies.

You will collaborate closely with a global team of Optical System Engineers, Product Managers, and Software Designers to deliver high-quality software solutions that enhance Ciena’s networking capabilities. Your contributions will support transport, switching, and packet hardware deployments across long-haul, regional, and metro networks.

Key Responsibilities:

Software Design & Development:

• Design, develop, and validate Layer 0 Optical networks, ensuring performance and memory efficiency.
• Create software solutions for client-server, desktop-based, and microservice-based environments.
• Collaborate with Product Owners, Product Line Managers (PLMs), and Verification teams to understand requirements and deliver solutions.
• Troubleshoot, debug, and resolve complex software issues promptly.
• Translate functional requirements into development tasks and provide accurate project time estimates.

Testing & Optimization:

• Conduct unit testing, integration testing, and support verification teams in resolving feature defects.
• Optimize software performance, considering resource limitations and scalability.
• Stay updated with the latest industry trends, tools, and technologies to drive best practices.

Innovation & Problem-Solving:

• Analyze and enhance existing products through UX audits and issue resolution.
• Find creative and efficient solutions to complex problems, enhancing software usability and performance.
• Research emerging technologies to propose innovative solutions and improve development processes.

What We Are Looking For:

Must-Have Skills & Qualifications:

• Programming Languages:
  • C++ (Version 11+ preferred) – Strong understanding of OOPS concepts, Data Structure, Algorithm
• Software Development Experience:
  • Full software development lifecycle (requirements analysis, design, implementation, testing, and support)
  • Familiarity with REST APIs, Web Services, SOAP
  • Experience with JSON, XML, and database design (Cassandra, AWS S3)
  • Unit testing experience with frameworks like GoogleTest or NUnit
• Soft Skills:
  • Strong analytical and problem-solving abilities
  • Excellent communication and interpersonal skills
  • Ability to collaborate effectively in a global, cross-functional team
  • Adaptability and eagerness to learn new technologies

Preferred Qualifications:

• Bachelor's or Master’s degree in Computer Science, Software Engineering, or a related field.
• Familiarity with Network Planning Software/EMS/NMS.
• Experience with Agile methodologies, including Scrum and Kanban.
• Prior experience in network design or telecommunications is a plus.

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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.