Senior Software Engineer – C++ / Objective-C, Calling & Collaboration Technologies (G8) (4 - 7 Years))

Meet the Team

Cisco's Collaboration Business Unit is transforming how people connect, communicate, and collaborate across the globe. Our team develops industry-leading calling and communication solutions that power millions of users worldwide through Webex and Cisco Collaboration platforms.

As part of a highly collaborative engineering organization, you will work alongside software engineers, architects, product managers, quality engineers, and AI innovators to deliver next-generation communication experiences. We embrace modern engineering practices, including AI-assisted software development, to accelerate innovation while maintaining world-class quality, reliability, and security. This role aligns with the team's focus on AI-driven productivity, C++ development, and calling technologies outlined during the Requisition Strategy Meeting.

Your Impact

As a Senior Software Engineer, you will design, develop, and enhance high-performance calling and collaboration applications using C++ and Objective-C. You will leverage AI-assisted development tools to improve engineering productivity while contributing to the delivery of scalable, reliable, and secure communication solutions.

In this role, you will collaborate with global cross-functional teams to solve complex technical challenges, influence technical decisions, and help shape the future of AI-augmented software engineering within Cisco Collaboration.

Key Responsibilities

• Design, develop, maintain, and optimize application features primarily using C++ and Objective-C.

• Leverage AI-assisted development tools to accelerate coding, debugging, unit testing, and technical documentation.

• Collaborate with Product Management, QA, Customer Support, and global engineering teams to deliver high-quality calling and collaboration capabilities.

• Participate in architecture discussions, technical design reviews, code reviews, and solution development.

• Troubleshoot, analyze, and resolve complex issues involving calling applications, networking protocols, and system integrations.

• Contribute to CI/CD pipelines, automated testing frameworks, and software delivery best practices.

Minimum Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related technical discipline.

• 4–7 years of professional software development experience with strong proficiency in C++.

• Experience developing commercial software applications on macOS or iOS platforms using Objective-C.

• Experience working with networking technologies, REST APIs, or communication protocols.

• Experience using modern AI-assisted coding tools (e.g., GitHub Copilot, Cursor, Claude Code, or equivalent) to improve software development productivity.

Preferred Qualifications

• Experience with cloud-based communication, collaboration, calling, or real-time communication platforms.

• Strong understanding of SIP, XMPP, WebSockets, REST APIs, and telephony technologies.

• Experience with Cocoa frameworks, Qt Widgets, or desktop/mobile application development.

• Experience with CI/CD pipelines, automated testing, and DevOps practices.

• Strong communication, presentation, and collaboration skills with the ability to work effectively across global teams.

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.