Senior Full stack Developer
Contract
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Cornerstone
https://www.cornerstone.network
Theale, England, United Kingdom
Founded:
2012
Telecommunications
Employees:
284
Posted Date:
12 October 2025
Company Details
Welcome to Cornerstone, the leading UK mobile infrastructure services company. Everything we do has at its heart the experience of tens of millions of voice and data customers using the networks that depend on our infrastructure. Our expertise delivers connectivity solutions for today and the future. We are at an exciting time in our company’s development as we deal with the rollout of new technologies, including 5G, while managing the complexity of new legislation affecting the industry, lead the conversation on innovation and develop sharper solutions to serve our customers better. Working together as a team, developing effective and lasting relationships with our customers, suppliers, landlords, and the community drives us to meet the high standards expected of us and what we demand of ourselves. We value our people and their contribution to our success. We are committed to providing a work environment that encourages development, recognises and rewards performance and offers a wide range of benefits. We attract and are always on the lookout for talented people to grow their career based from our head office in Theale, more recently from home. If this sounds like the sort of place where you want to work and contribute to delivering the future of UK mobile connectivity, please contact resourcing@ctil.co.uk
Specialities
Highlights
INDUSTRIES
Telecommunications
SENIORITY LEVEL
Mid-Senior level
experience, years
several years
Software position
yes
Job function
Information Technology
Core Tech Stack
Nice to have
AI-assisted coding tools (Vibe Coding), Azure AI services, OSS or BSS Mobile telecoms experience, SSIS, SFTP
RESPONSIBILITIES
Important info
6 months contract, day rate, focus on Microsoft infrastructure, use of AI-assisted development tooling, emphasis on DevOps practices and cloud infrastructure (Azure), commitment to equity, diversity and inclusion
Cornerstone
https://www.cornerstone.network
Theale, England, United Kingdom
Founded:
2012
Telecommunications
Employees:
284