---
title: "Callsign"
canonical: "https://www.metaintro.com/company/callsign"
language: "en"
industry: "Computer and Network Security"
headquarters: "London"
website: "https://www.callsign.com/"
open_roles: 10
---

# Callsign

Callsign’s mission is is to seamlessly power the identification of every web, mobile and physical interaction. By building the technologies that will empower every transaction and put identity at the heart of every experience.

## Open roles

- [Technical Support Engineer](https://www.metaintro.com/job/technical-support-engineer-at-callsign-4021bb68-cece-586e-a60f-1910c1cd64e2) — Manchester, England, United Kingdom, Hybrid
- [Senior Experience Engineer (FTC)](https://www.metaintro.com/job/senior-experience-engineer-ftc-at-callsign-d222a855-743b-56bd-ad9b-db7211e49d49) — London, England, United Kingdom, Hybrid
- [Experience Engineer (FTC)](https://www.metaintro.com/job/experience-engineer-ftc-at-callsign-f0299a41-18f0-57c1-8f7c-df0e0bd5ee91) — London, England, United Kingdom, Hybrid
- [Software Engineer (Full Stack)](https://www.metaintro.com/job/software-engineer-full-stack-at-callsign-b10e9410-1f95-5239-954b-10ccdc0b3858) — London, England, United Kingdom, Hybrid
- [Software Engineer (Full Stack)](https://www.metaintro.com/job/software-engineer-full-stack-at-callsign-9a845344-d2f9-50e5-ab4f-0b783e9c97c0) — Abu Dhabi, Abu Dhabi, United Arab Emirates, On-site
- [Senior Software Engineer (Telco & Comms)](https://www.metaintro.com/job/senior-software-engineer-telco-and-comms-at-callsign-96d8aad7-e6c8-5a96-8116-a7f3f2671b4a) — Abu Dhabi, Abu Dhabi, United Arab Emirates, On-site
- [Software Engineer (Orchestration)](https://www.metaintro.com/job/software-engineer-orchestration-at-callsign-908a0748-f1b3-559e-b3d1-fa278cb1342a) — Abu Dhabi, Abu Dhabi, United Arab Emirates, On-site
- [Agile Release Manager](https://www.metaintro.com/job/agile-release-manager-at-callsign-03435d07-e118-5b0e-9f76-d74626d96271) — Abu Dhabi, Abu Dhabi, United Arab Emirates, On-site

[View all 10 roles](https://www.metaintro.com/company/callsign/jobs/all)

## AI launches and partners

What Callsign has launched and who it works with on AI.

- **Intelligence engine** (Launch): Callsign offers an intelligence engine described as powerful, ethical AI.
- **AI and machine learning models** (Launch): Callsign’s AI and machine learning models analyze device, location and behavior data points to confirm the user's identity.
- **AI-driven ensembling technology** (Launch): Callsign’s AI-driven ensembling technology considers and analyzes data points, weighing behavior, possession and inherence factors to build a confidence score.
- **Ensembling** (Launch): Callsign uses artificial intelligence and machine learning to detect the genuine user, accounting for changes in device or location.

## Skills they ask for

Most frequent across open postings.

### Most requested skills

- CI/CD
- Java
- React
- Docker
- Spring Boot
- REST APIs
- MySQL
- Terraform

### Tech stack

- **Analytics:** Google Analytics, Google Tag Manager
- **Libraries:** Swiper

## Similar companies

Companies in the same industry as Callsign that are hiring now.

- [Palo Alto Networks](https://www.metaintro.com/company/palo-alto-networks) — 1,505 open roles
- [Fortinet](https://www.metaintro.com/company/fortinet) — 1,048 open roles
- [Zscaler](https://www.metaintro.com/company/zscaler) — 374 open roles
- [CrowdStrike](https://www.metaintro.com/company/crowdstrike) — 367 open roles
- [ActioNet](https://www.metaintro.com/company/actionet) — 310 open roles
- [Erias Ventures, LLC](https://www.metaintro.com/company/erias) — 294 open roles

## Questions about Callsign

### Is Callsign hiring?

Yes. As of November 2, 2026, Callsign has 10 open roles on Metaintro. 7 were posted in the last 30 days. The most are in Developer (7), Customer Support (1), and Product/Project Management (1).

### Where is Callsign hiring?

Callsign is hiring in Abu Dhabi, London, and Manchester, with the most open roles in Abu Dhabi.

### Does Callsign offer remote or hybrid work?

50% of open roles are hybrid and 0% are remote.

### What skills does Callsign look for?

Its open roles most often ask for CI/CD, Java, React, Docker, and Spring Boot.