NoSpamProxy Tech Stack

Email security gateway with spam protection, encryption, and file transfer

Software Development Paderborn, NRW 51–200 employees Founded 2005 Privately Held

NoSpamProxy operates a mail gateway appliance built on Microsoft's cloud stack (Azure, 365, Exchange) with growing ML/AI integration via Azure OpenAI and Cognitive Services. The company is actively modernizing legacy infrastructure—telephony migration, workload cloud transformation, and CI/CD automation feature prominently in their project list—while maintaining a lean, Germany-based engineering org (7 engineers across intern-to-senior levels). Hiring has decelerated, suggesting a focus on consolidating current platform work rather than aggressive expansion.

Tech Stack 30 technologies

Core StackAzure AD Windows Server Azure Functions Azure DevOps C# JavaScript TypeScript Python React Terraform Active Directory Microsoft Exchange Salesforce Dynamics 365 AWS Microsoft 365 Microsoft Teams Phone PowerShell Azure Azure Logic Apps Azure Cosmos DB Azure Key Vault Azure OpenAI Azure Cognitive Services Azure Machine Learning Bicep Teams AudioCodes LinkedIn

ReplacingTeams

What NoSpamProxy Is Building

◆Challenges

Migrating legacy telephony to cloud
Migration and modernization of existing workloads
Scalability, security, cost optimization
Modernizing data and ml infrastructure

▲Active Projects

E-mail-sicherheitslösung weiterentwicklung
Microsoft 365 telephony implementation
Integration of third-party hardware/software
Individual software solutions on microsoft azure
Ki-based component integration
Prototype and mvp development
Cloud transformation roadmap
Ci/cd pipeline implementation
Infrastructure as code automation
Outbound campaign execution

Hiring Activity

Decelerating15 roles · 2 in 30d

Department

Engineering

Sales

Data

Security

Support

Seniority

Intern

Mid

Junior

Senior

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About NoSpamProxy

NoSpamProxy is a privately held email security vendor headquartered in Paderborn, Germany, with 51–200 employees. The core product is a mail gateway appliance that filters spam, blocks ransomware, encrypts email in transit, and handles secure file transfer for end users and IT administrators. The company was founded in 2005 and sells primarily to mid-market organizations managing Microsoft Exchange and 365 environments. Engineering and sales make up the bulk of the team; recent project work centers on cloud migration (Azure infrastructure), AI-driven security features, and hardening CI/CD and infrastructure-as-code practices.

HeadquartersPaderborn, NRW

Company Size51–200 employees

Founded2005

Hiring MarketsGermany

Frequently Asked Questions

What tech stack does NoSpamProxy use?

Primarily Microsoft (Azure, 365, Exchange, AD, Teams), paired with C#, JavaScript, Python, and React. Infrastructure tooling includes Terraform, Bicep, and Azure DevOps. Recent additions: Azure OpenAI and Cognitive Services for AI-based security components.

What is NoSpamProxy working on?

Cloud migration (Microsoft 365 telephony, legacy workload modernization), AI integration (Azure-based ML and cognitive services), CI/CD and infrastructure automation, and third-party hardware/software integration to expand gateway capabilities.