Senior Software Developer

Salary: £65,000 - 65,000 per year

Requirements

• Extensive experience with Python, OO Design, and REST APIs
• In-depth understanding of SIP stack and trace analysis
• Experience with SQLAlchemy, Git, and Docker
• Comfortable working with Docker, Linux, and REST APIs
• Strong communication skills to bridge technical requirements and non-technical business objectives
• Knowledge of Freeswitch, Kamailio, or C/C++ is a plus

Responsibilities

• Design and develop the existing SIP platform and services
• Create integrations for AI-driven services, such as voice recognition and transcription
• Ensure all code meets strict ISO/PCI-DSS standards
• Provide resolutions for complex platform-level bugs
• Serve as a key technical resource for troubleshooting complex SIP/RTP issues
• Contribute to the continuous improvement of secure development policies

Technologies

• AI
• Cloud
• Docker
• Git
• Support
• Linux
• Python
• REST

More

We are an established technology partner and managed service provider, specializing in unified communications and cloud contact centre solutions. Our mission is to help public and private sector organizations modernize their digital infrastructure, focusing on improving customer experience and operational efficiency through system integration and digital transformation. This is an excellent opportunity for a Senior Software Engineer to join our forward-thinking development team, where you will have the autonomy to solve complex problems and the support of a highly skilled team that values professional growth and innovation. Benefits include private medical insurance, life insurance, and other perks. The role can be performed remotely with one day a month on-site in Guildford.

last updated 21 week of 2026