Senior Web UI Developer
VIAVI
5 - 10 years
Bengaluru
Posted: 26/10/2025
Job Description
Summary:
VIAVI (NASDAQ: VIAV) has a 90+ year history of technical innovations that have evolved to keep pace and address our customer’s most pressing business issues. We make equipment, software, and systems that help to plan, deploy, certify, monitor, and optimize all kinds of networks - like those for mobile phones, service providers, large businesses and data centers. And, we are also at the forefront of optical security – we bend light to develop and deliver optical solutions that provide security to the world’s currencies and safety and performance applications for consumer electronics and spectrometry.We are the people behind the products that help keep the world connected – at home, school, work, at play, and everywhere in between. VIAVI employees are fierce about supporting customer success and we welcome people who bring their best every day to the company - to question, to collaborate and to push for solutions that will delight our customers.
Duties & Responsibilities:
VIAVI is expanding its engineering team in Bangalore and seeking a Senior Software Engineer – Web UI to design and deliver intuitive, high-performance, and scalable user interfaces for our industry-leading networking and cloud test solutions.
In this role, you will collaborate with product managers, backend engineers, and UX designers to build responsive, interactive, and reliable web applications that simplify complex systems and empower customers with actionable insights. As a senior contributor, you will also help set best practices, mentor peers, and drive innovation in modern UI frameworks and tools. This is a unique opportunity to tackle complex technical challenges, leverage cutting-edge web technologies, and make a direct impact on VIAVI’s next-generation products.
Job Responsibilities:
UI Development
Build responsive, interactive, and scalable user interfaces using modern web frameworks.
Ensure applications deliver excellent performance, usability, and reliability.
Collaboration & Delivery
Work closely with product owners, backend engineers, and UX designers to deliver the best end-to-end solutions.
Provide ongoing maintenance, support, and feature enhancements for existing systems.
Quality & Best Practices
Write clean, maintainable, well-tested, and documented code.
Continuously improve development workflows through peer collaboration, mentorship, and code reviews.
Contribute to the adoption of engineering best practices across the team.
Pre-Requisites / Skills / Experience Requirements:
Job Requirements:
Education & Experience
Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field.
Minimum 8 years of professional experience in web application development.
Core Technical Skills
Strong programming skills in JavaScript/TypeScript (ES6+).
Expertise in ReactJS, Redux, Redux Saga, with experience in frameworks such as Next.js, Angular, or Vue.
Solid knowledge of HTML5, CSS3, responsive design, and CSS frameworks (Bootstrap, Material UI, Tailwind, SASS/LESS).
Proficiency with modern JavaScript tooling (Webpack, Babel, Storybook).
Experience building progressive, responsive, and single-page applications (PWA, RWA, SPA).
Testing & Quality
Proficiency in unit testing frameworks (Jest, Enzyme, React Testing Library).
Familiarity with UI test automation tools (Selenium, TestCafé).
Systems & Integration
Experience integrating with REST APIs and working with XML/JSON.
Knowledge of distributed systems, microservices architecture, and OOP.
Familiarity with databases (SQL/NoSQL) and messaging/streaming platforms (Kafka, ZeroMQ).
DevOps & Tools
Strong experience with Git and CI/CD pipelines.
Familiarity with virtualization, containers, Docker, Kubernetes, and DevOps workflows.
Nice to Have
Backend development experience (e.g., Node.js, Golang).
Exposure to UI charting libraries.
Soft Skills
Strong problem-solving abilities and effective communication skills.
Ability to collaborate in cross-functional, team-oriented environments.
About Company
Viavi Solutions Inc. is a global provider of network testing, monitoring, and assurance solutions, headquartered in Milpitas, California. The company offers a range of products and services designed to support network operators, service providers, and enterprises in optimizing their network performance, security, and service quality. Viavi's solutions are used in areas such as 5G, fiber optics, wireless, and cloud networking. The company provides network testing tools, performance monitoring, and troubleshooting solutions for both physical and virtual networks. Viavi is also known for its expertise in optical networking and its role in advancing technologies related to network automation, performance visibility, and cybersecurity.
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