Callsign
Computer and Network Security
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.
Is Callsign hiring?
Yes. As of November 2, 2026, Callsign has 10 open roles on Metaintro. 7 were posted in the last 30 days.
Open roles
Newest first. Pay shown when the posting lists it.
RoleLocationSetupPayPosted
- Technical Support EngineerCustomer SupportManchester, England, United Kingdom · HybridManchester, England, United KingdomHybrid—29d ago
- Senior Experience Engineer (FTC)DeveloperLondon, England, United Kingdom · HybridLondon, England, United KingdomHybrid—Oct 5, 2026
- Experience Engineer (FTC)DeveloperLondon, England, United Kingdom · HybridLondon, England, United KingdomHybrid—Oct 5, 2026
- Software Engineer (Full Stack)DeveloperLondon, England, United Kingdom · HybridLondon, England, United KingdomHybrid—Oct 5, 2026
- Software Engineer (Full Stack)DeveloperAbu Dhabi, Abu Dhabi, United Arab Emirates · On-siteAbu Dhabi, Abu Dhabi, United Arab EmiratesOn-site—Oct 2, 2026
- Senior Software Engineer (Telco & Comms)DeveloperAbu Dhabi, Abu Dhabi, United Arab Emirates · On-siteAbu Dhabi, Abu Dhabi, United Arab EmiratesOn-site—Oct 2, 2026
- Software Engineer (Orchestration)DeveloperAbu Dhabi, Abu Dhabi, United Arab Emirates · On-siteAbu Dhabi, Abu Dhabi, United Arab EmiratesOn-site—Oct 2, 2026
- Agile Release ManagerProduct/Project ManagementAbu Dhabi, Abu Dhabi, United Arab Emirates · On-siteAbu Dhabi, Abu Dhabi, United Arab EmiratesOn-site—Sep 24, 2026
Hiring pattern
How fast Callsign is adding roles, and how they're set up.
New roles each monthRoles first posted in the month
3
7
0
SeptemberOctoberNovember
How roles are set upShare of open roles
50%
50%
HybridOn-site
AI launches and partners
What Callsign has launched and who it works with on AI.
- LaunchIntelligence engineCallsign offers an intelligence engine described as powerful, ethical AI.
- LaunchAI and machine learning modelsCallsign’s AI and machine learning models analyze device, location and behavior data points to confirm the user's identity.
- LaunchAI-driven ensembling technologyCallsign’s AI-driven ensembling technology considers and analyzes data points, weighing behavior, possession and inherence factors to build a confidence score.
- LaunchEnsemblingCallsign 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
Company facts
- Headquarters
- London
- Founded
- 2012
- Industry
- Computer and Network Security
- Sector (NAICS)
- Information
- Peer
- Palo Alto Networks
- Website
- callsign.com
- Careers
- callsign.com/careers
Roles by location
Where Callsign is hiring. Pick a city to see its roles.
Similar companies
Companies in the same industry as Callsign that are hiring now.
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.