CISCO Systems
Senior Software Engineer
Job Description
Salary: £39,000 - 79,000 per year
Requirements:- We require a bachelors degree or higher in an analytical subject such as Computer Science, Engineering, Maths, or Physics.
- We require 10+ years of professional programming experience in C++ or C#.
- We require experience using Linux and developing software that runs on Linux.
- We require an understanding of virtual machines and containerisation technologies, with experience using Docker.
- We value the ability to learn new languages quickly.
- Advantageous skills include familiarity with Kubernetes, Windows development, data science or AI, networking protocols such as TCP/IP and HTTP, cryptography, audio and video coding and processing technologies such as Opus or H.264, and Git, DevOps, continuous integration, and continuous delivery.
- We design, develop, test, and deliver new features and improvements in an agile team.
- We help manage the operational side of our highly available microservice architecture.
- We take part in an on-call rotation.
- We tackle varied and challenging problems with flexibility and a data-driven focus on quality.
- We build new functionality, develop automated tests, and investigate issues with strong attention to detail.
- We use AI tools in our daily workflow to improve productivity and apply AI in new scenarios and opportunities.
- We learn quickly and grow our skills with mentorship and formal training from our team.
- AI
- C#
- Cryptography
- Cisco
- DevOps
- Docker
- Git
- HTTP
- Kubernetes
- Linux
- Security
- TCP/IP
- Windows
- Support
- Network
- microservices
More:
We are Ciscos Webex Real-time Media Engineering Group, and we are redefining the future of collaboration by building immersive experiences across Webex Meetings, Webex Calling, and Webex Contact Center. Our team is based in our central London office near Liverpool Street station, and we work in a hybrid model, coming into the office three times a week. We offer dedicated mentorship and formal training, and we are part of Cisco, a global company of innovators focused on security, visibility, and collaboration in the AI era and beyond.
last updated 34 week of 2026
Interested in this role?
Submit your application now
How to Apply
About CISCO Systems
CISCO Systems
London
IT
Skills & Technologies
Inferred from job description
Salary Insight
£59,000
This role
£75,000
UK median
This salary is 21% below the UK median for Senior roles (£75,000/yr).
Based on 2024–2025 UK technology sector benchmarks