Senior Software Engineer- Full Stack Engineer (Java & React)- 9+Yrs , BLR

Duo Security

Duo Security

Software Engineering
Posted on Dec 2, 2025

Meet the Team:

Cisco is redefining the networking industry. To make this happen, we are heavily investing in team responsible for The Network. Intuitive. We are Cable Engineering BU. We provide our customers with pioneering CCAP Core containing both a CMTS Core for DOCSIS and an EQAM Core for Video. We are reinventing the industry by building a new networking platform that can learn, adapt, and secure itself at the speed of today’s businesses.

Your Impact:

You are a senior software engineer who believes in creating customer delight through simple and easy to use solutions. The ideal candidate must enjoy working in a fast-paced dynamic environment with a "take-charge" / "can-do" attitude and is able to demonstrate flexibility and resiliency. Successful candidate must be self-sufficient and be able to work with minimal direction. Work with geographically distributed teams across different time zones.
* Work across the full stack, building highly scalable distributed solutions that enable positive user experiences and measurable business growth
* Develop new features and infrastructure in support of emerging business and project requirements
* Assume leadership of new projects, from conceptualization to deployment
* Ensure application performance, uptime, and scale, and maintain high standards for code quality and application design
* Work with agile development methodologies, adhering to guidelines and pursuing continued learning opportunities
* Work closely with platform/application development, test and with various cross technology teams to design development strategies and plans followed by designing & writing code reflecting the requirements and functionality of the product.
* Work with other functions such as Architects, Product owners/customers, Quality Engineering to help prioritize, define, and implement features with the right quality.

Responsibilities:

* Be part of a team of engineers involved in the development and testing of software for our Cable Automation and Orchestration architecture.
* Participate in all aspects of agile software development, including design, implementation, and deployment
* Architect and provide guidance on building end-to-end systems optimized for speed and scale
* Work primarily in Java, React, and JavaScript
* Engage with inspiring designers and front-end engineers, and collaborate with leading back-end engineers to create reliable APIs
* Collaborate across time zones via GitHub comments, documents, and frequent videoconferences
* Strong ability and desire to learn new tools and technologies as required is must.

Minimum Qualifications:

* Bachelor's degree or equivalent in computer science or related field with 8+ years of overall software engineering experience.
* 5+ years of Full-Stack development experience using python or other modern languages, front-end technologies, libraries, frameworks (JavaScript, React etc.)
* Validated experience in system design, development, and delivery of highly scalable distributed applications
* You are highly skilled in Cloud Native Architecture, Microservices Architecture and Event Driven Architecture.
* Strong fundamentals of data structures, algorithms, design patterns and async programming.
* Good awareness of Kubernetes, Kafka, Cassandra, and docker/containerization
* Experience in designing and integrating RESTful APIs. Knowledge of Java, React, Redux, Typescript and JavaScript. Experience in JavaScript likes - Promise, Closure, ES6 features.
* Experience with front-end development tools such as Babel, Webpack, ESLint, NPM, Yarn, etc.
* Strong experiences with CSS pre-processing platforms, such as BEM, LESS, and SASS. Experience with Responsive and Dynamic Web App
* Experience with a unit testing framework such as Jest, React-testing-library, etc
* Experience with tools like Git, GitHub, Bitbucket
* Strong problem solving and software development / fixing skills. Ability to "think in code" and discuss ideas and algorithms is a must.
* Strong motivation to innovate and improve customer and product experience.

Preferred Qualifications:

* Clear, concise articulation of technical ideas to dev engineers, QA engineers, product managers, designers, and non-technical collaborators
* Breaking down complex, ambiguous problems into smaller, actionable parts. Balancing trade-offs between speed, quality, scalability, and business needs
* Understanding how the product is used and what matters to users. Thinking about impact, not just implementation
* Taking ownership for outcomes, not just code. Proactively identifying risks and proposing mitigations.
* Staying open to new technologies, tools, and methods
* Estimating tasks realistically and handling deadlines. Balancing coding time with reviews, meetings, and mentoring.

Why Cisco?

At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint.

Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere.

We are Cisco, and our power starts with you.