Senior Software Engineer

Cisco Systems, Inc.; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Cisco's Webex Real-time Media Engineering Group in London is seeking a Senior Software Engineer to contribute to end-to-end development, testing, and delivery of new features for Webex products. You will work in a hybrid office setup, collaborating across DevOps, microservices, and AI-enabled workflows.

You will join an on-site team near Liverpool Street, participate in on-call rotations, and help advance Linux-based platforms with a strong emphasis on quality and rapid learning.

Qualifications

• Bachelor's or higher degree in an analytical subject (e.g. Computer Science, Engineering, Maths, Physics).
• 10+ years of professional programming experience in C++/C#, and the willingness to learn new languages quickly.
• Experience with Linux development and software running on Linux.
• Experience with virtual machines and containerisation technologies, and with Docker.

Responsibilities

• Full Lifecycle Development: Design, develop, test, and deliver new features and improvements in an agile team.
• DevOps & Microservices: Manage operational aspects of a highly available microservice architecture, including on-call rotation.

Skills

C++/C#

Linux development

Containerisation

Education

Bachelor’s or higher in analytical subject

Tools

Docker

Kubernetes

Job description

Senior Software Engineer

Webex Real-time Media Engineering Group

Meet the Team

Cisco's Webex Real-time Media Engineering Group is redefining the future of collaboration. We’re building a world where people connect effortlessly to enjoy modern, uncompromised collaboration across every room, desk, pocket, and application.

Our technology powers industry-leading products like Webex Meetings, Webex Calling, and Webex Contact Center. As a member of our team, your work will ensure every user gets a truly immersive experience regardless of device or location, empowering the hybrid working patterns of the future.

Our team is based in one of our central London offices, near Liverpool Street station. We operate a hybrid working model, meeting to collaborate in the office three times a week.

Our Impact

• Full Lifecycle Development: Work in an agile team to design, develop, test, and deliver new features and improvements to our products.
• DevOps & Microservices: Be trained on and help manage the operational side of our highly available microservice architecture, including being part of an on‑call rotation.
• Adaptable & Problem‑Solver: Tackle varied and challenging problems daily, showing flexibility, a data‑driven focus on quality, and an ability to learn new skills quickly.
• Ownership & Quality: Take responsibility for tasks, from building new functionality to developing automated tests and investigating issues, all with a level of high attention to detail.
• AI: Use a variety of AI tools in your daily workflow for enhanced productivity; contribute to Cisco’s growth by using and applying AI in new scenarios and opportunities.
• Support & Growth: Receive dedicated mentorship and formal training from a supportive team of fellow engineers to help you get up to speed and grow your skills.

Minimum Qualifications

• Analytical Degree: Bachelor's or higher degree in an analytical subject (e.g. Computer Science, Engineering, Maths, Physics).
• Coding Aptitude: 10+ years of professional programming experience in C++/C#, and the willingness to learn new languages quickly.
• Experience with Linux development: Experience with using Linux and developing software running on Linux.
• Experience with virtualisation and containers: An understanding of virtual machines and containerisation technologies, and experience with Docker.

Preferred Qualifications

• Familiarity with Kubernetes
• Familiarity with Windows development
• Experience with data science / AI
• Knowledge of networks and networking protocols (such as TCP/IP and HTTP)
• Exposure to cryptography
• Familiarity with audio and video coding, processing techniques, and technologies (such as Opus or H.264)
• Familiarity with Git, DevOps, continuous integration, continuous delivery