Senior Software Engineer (C++ & C# / Mission-Critical Systems)
tel
About this role
A Senior C++ & C# Developer at this telecommunications company will contribute to the development and maintenance of secure, efficient communication systems and modern backend services. The role involves working with complex systems in Linux environments and building microservices in the cloud, supporting mission-critical projects with societal impact.
Skills
About tel
tel.ioTelio is a cloud communications platform that provides telephony and messaging services for businesses. It offers virtual phone numbers, SIP trunking, cloud PBX features and programmable voice/SMS APIs to integrate calling and messaging into apps and workflows. The product focuses on developer-friendly tools (APIs, web portal), reliability, and operational features like call routing, IVR, recording, and analytics. Telio targets companies that need scalable, compliant communications infrastructure with flexible pricing.
About tel
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Leadership Team
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
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Salary
$109k – $147k
per year