Xelion Tech Stack

Cloud-based business communications platform with unified calling, chat, and collaboration

Telecommunications Delft 51–200 employees Founded 1988 Privately Held

Xelion operates a VoIP and unified communications platform built on AWS, Kubernetes, and PostgreSQL. The infrastructure stack—heavy on automation tools (Terraform, Ansible, OpenTofu) and observability (Prometheus, Grafana, Zabbix)—reflects a company solving for operational scale: active projects cluster around infrastructure automation, CI/CD pipeline improvement, and service stability, while pain points center on manual infrastructure management and deployment inefficiency. Mid-level hiring across engineering and ops suggests deliberate consolidation of DevOps capability.

Tech Stack 23 technologies

Core StackAWS VMware Terraform Ansible Kubernetes GitLab CI/CD Linux Docker PostgreSQL Python Go Prometheus Grafana React TypeScript Tailwind CSS Zabbix OpenTofu Git Bash Alertmanager CSS SCSS

What Xelion Is Building

◆Challenges

Improving service stability
Enhancing security
Reducing costs
Manual infrastructure management
Inefficient deployment pipelines
Poor monitoring

▲Active Projects

Infrastructure automation with terraform and ansible
Monitoring optimization
Ci/cd pipeline improvement
Service stability and security improvements
Server monitoring via zabbix

Hiring Activity

Accelerating5 roles · 3 in 30d

Department

Engineering

Ops

Research

Seniority

Mid

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About Xelion

Xelion provides a cloud-based communications platform enabling businesses to unify calling, chat, and collaboration across devices and locations. Founded in 1988 and based in Delft, Netherlands, the company serves small to mid-market enterprises seeking to simplify fragmented business communications through a single platform rather than multiple point solutions. The technical architecture runs on AWS infrastructure with containerized services (Kubernetes, Docker), PostgreSQL data layer, and React/TypeScript frontends. The 51–200-person operation is currently focused on infrastructure hardening, deployment automation, and monitoring maturity.

HeadquartersDelft

Company Size51–200 employees

Founded1988

Hiring MarketsNetherlands

Frequently Asked Questions

What tech stack does Xelion use?

Xelion runs on AWS, Kubernetes, and PostgreSQL, with infrastructure automation via Terraform and Ansible. Frontend is React and TypeScript; monitoring via Prometheus, Grafana, and Zabbix.

What is Xelion working on?

Current projects include infrastructure automation, CI/CD pipeline improvement, monitoring optimization, and service stability and security enhancements.