Anti-Fraud Engineer

Poland, Remote

Are you a problem solver who loves understanding the how and why? Do you have strong analytical skills and a keen interest in technology? As the Anti-Fraud Engineer, you will be responsible for debugging and ensuring the uninterrupted operation of the SMS firewall designed to provide SMS traffic filtering.


Who we are:
Global Message Services (GMS) is a global messaging company with over 16 years of expertise in the industry and extensive knowledge of messaging, traffic monetization, and customized software solutions. GMS is a one-stop shop for worldwide communications through high-quality turnkey solutions tailored to each client’s needs.


What you’ll do:

  • Integrate and deploy SMS firewall. Configure and maintain the SMS firewall platform.
  • Detect and block «grey» routes.
  • Check SMS delivery test results.
  • Monitor SMS firewall system and SMS traffic volumes and routes.
  • Perform a traffic analysis.
  • Provide solutions to prevent fraud traffic sending.
  • Provide troubleshooting.
  • Communicate with vendor and different internal teams.


What we expect:

  • University degree in a technical field.
  • 2+ years of experience as an Engineer in Telecommunications.
  • Working experience with SMS platforms will be a plus.
  • Upper-Intermediate level of English.
  • Knowledge of mobile networks.
  • Knowledge of SMS fraud types.
  • Knowledge of SS7 (MTP, SCCP, TCAP, MAP), SMPP.
  • Knowledge of SIGTRAN (M2PA-M3UA-SCTP stack).
  • Knowledge of REGEX.
  • Linux/Unix skills.
  • Knowledge of JSON/REST/SOAP protocols will be a plus.
  • Scripting and automatization skills (Python/Bash) will be a plus.
  • Experience with SQL will be a plus.
  • Experience with Kibana/Grafana or similar solutions will be a plus.


What we offer:

  • Multicultural & dynamic environment in fast-growing worldwide business.
  • One-of-a-kind company culture – a mixture of open mindset, high dedication, striving for success, and team spirit.
  • Professional team that is committed and stands for the highest standards of performance.
  • Our values – Commitment, Integrity, and Progress – are vivid in day-to-day company activities.
  • Customer-oriented culture with high respect for both internal and external customers.
  • Competitive salary and bonus system.


Please submit the form below or send your CV and cover letter to


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