UI Developer - React.js

🏢 About Ciena

Ciena is the global leader in high-speed network connectivity, building the adaptive software and hardware that underpins modern telecommunications infrastructure. From long-haul optical networks to metro and regional deployments, Ciena's platforms — including MCP (Management Control and Planning) and OnePlanner — help the world's largest network operators plan, manage, and evolve their infrastructure with precision.

🎯 The Role

As a React.js UI Developer, you'll join the team building Ciena's next-generation network design and engineering applications. Your work will directly influence how customers plan and manage Optical Transport Network (OTN) and DWDM infrastructure globally. This is a hands-on, full-time onsite role in Gurugram with meaningful scope for growth.

🛠️ Tech Stack

• React.js + JavaScript (ES6/ES7)
• HTML5 + CSS + SASS/SCSS
• Jest + React Testing Library
• Webpack, Vite, Babel
• Git, Docker
• REST APIs, WebSockets
• D3.js (nice to have)
• Playwright (nice to have)

💼 What You'll Do

• Design and implement responsive UI features for network planning tools in a microservice environment
• Analyse DWDM, OTN, and packet network configurations and translate them into product-ready UI
• Collaborate with Product Owners and PLMs to refine requirements and ship quality features
• Write unit tests, debug issues, and maintain performance across the UI stack
• Participate in Agile Scrum ceremonies and manage user stories in Jira
• Support integration verification for seamless end-to-end product quality

✅ What You'll Need

• 2+ years of end-to-end software development experience
• Strong React.js skills with deep HTML5, CSS, and SASS/SCSS knowledge
• Advanced JavaScript including ES6/ES7 and OOP concepts
• Experience writing unit tests with Jest and React Testing Library
• Proficiency with Git for version control
• Strong problem-solving skills and a collaborative mindset

🌟 Nice to Have

• Experience with end-to-end automation using Playwright
• Familiarity with modern build tools: Webpack, Vite, Babel, or esbuild
• Exposure to D3.js or other data visualisation libraries
• Understanding of WebSockets, authentication, and web security principles
• Experience with Docker, Linux, or microservices
• Background in network management systems (EMS/NMS) or network planning software