Transaction Network Services (TNS), founded in 1990, is a global provider of Infrastructure-as-a-Service (IaaS) solutions that underpin financial transactions, communications, and payment systems. The company's technical work spans network infrastructure, IaaS, financial trading systems, payment security, fraud prevention, and voice communications. TNS operates across the Americas, Europe, and Asia, serving customers in over 60 countries and processing billions of dollars in financial trades, payment transactions, and voice communications daily.
TNS organizes its engineering efforts across three core product areas. Its Financial Markets Solutions deliver trading infrastructure, direct market access, and market data connectivity for exchanges and trading firms. The Payments Solutions division enables secure payment acceptance, fraud prevention, and device connectivity. The Communications Solutions group provides robocall protection, call authentication, carrier connectivity, and voice solutions.
The company's client base includes financial institutions, communications providers, payment companies, exchanges, and trading firms. TNS's infrastructure is designed for high-reliability, mission-critical environments where uptime and security are non-negotiable. Engineering teams work on systems that handle real-time transaction processing at global scale across telecommunications and financial services domains.
