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Callsign

Accel — Backed by Accel
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4 jobs
Callsign
2 days ago

Software Engineer (Telco & Comms)

NewBe an early applicant MENAContract
United Arab Emirates

Senior backend engineer at Callsign (digital identity/fraud prevention) in Abu Dhabi, building secure Java 17/Spring Boot microservices on Kubernetes and AWS, designing authentication/authorization features, integrating telco network signals like SIM swap, and owning changes from design through on-call.

AI API Authentication AWS CI/CD +17 skills
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Callsign
2 views 3 days ago

Senior Java Engineer — Secure Cloud Microservices

NewBe an early applicant MENASenior
United Arab Emirates

Callsign is hiring a Senior Java Engineer in Abu Dhabi to build secure, scalable cloud microservices. Day to day: writing production Java 17+ code, designing microservices and driving architecture reviews, threat modeling, implementing authentication/authorization, and deploying on Kubernetes, Docker, Helm, and AWS with CI/CD, plus mentoring and on-call duties.

Authentication AWS CI/CD Cloud Docker +4 skills
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Callsign
4 weeks ago

Senior Software Engineer (Telco & Comms)

MENAContractSenior
United Arab Emirates

Russian hacker, Vladimir Leonidovitch Levin, attempted the biggest bank heist the world had ever seen via dial-up internet in 1994, Zia Hayat, Callsign CEO and founder, was hooked - armchair fraud became a real…

AI API Authentication AWS CI/CD +17 skills
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Callsign
4 weeks ago

Software Engineer (Orchestration)

MENAContract
United Arab Emirates

Russian hacker, Vladimir Leonidovitch Levin, attempted the biggest bank heist the world had ever seen via dial-up internet in 1994, Zia Hayat, Callsign CEO and founder, was hooked - armchair fraud became a real…

Agile API Api Design AWS CI/CD +28 skills
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