Cyrex

👥 11-50Penetration TestingGamingSaaSSoftware EngineeringCyber SecurityFinTechSoftware💼 Private Company
Website LinkedIn Email Facebook Twitter

Cyrex is a Dublin-based IT firm specializing in penetration testing, cybersecurity, game development, and software development. We deliver cutting-edge solutions for clients in the Fintech, Gaming, and SaaS sectors, leveraging our expertise in areas like SPF, DNSSEC, DMARC, and Google Apps for Business. Our work impacts global organizations by strengthening their security posture and enhancing their software's performance and reliability. We differentiate ourselves through a commitment to rigorous testing methodologies and a collaborative, globally distributed team. Our engineering teams employ a diverse tech stack including Python and C++, focusing on secure coding practices and utilizing proprietary tooling for game penetration testing. We value continuous learning, fostering a culture of mentorship and professional growth for our engineers. We offer flexible working arrangements, including fully remote opportunities, enabling individuals to contribute their skills from various locations worldwide. Cyrex provides a fast-paced, engaging work environment characterized by open communication and an inclusive culture. Our team comprises experts passionate about the latest technologies and their application across diverse industries. With a focus on innovation and delivering high-quality results, Cyrex is experiencing rapid growth in a highly competitive market. We have a strong track record and are working to maintain our reputation for excellence in the industry. Founded in 2015, Cyrex is a growing company with 11-50 employees and a global presence, committed to providing secure and innovative technological solutions to clients globally.

Related companies:

Jobs at this company:

Apply

📍 Ukraine, Turkey, Serbia, Brazil, Poland

🔍 Video Games

  • 3+ years of writing products in python 3.
  • Understanding of endianness, hashing, checksums, encoding, encryption, signing, bitmasks.
  • Understanding of TCP/UDP mechanics, including packet fragmentation, sequence management, and multiplexing.
  • Knowledge of serialization techniques, including binary formats, variable-length encoding.
  • Ability to read and understand big C++ codebases.
  • Familiarity with Unreal Engine networking, including RPCs and network object serialization.
  • Experience with crafting and tampering with network packets.
  • Develop and enhance functionalities within the Cyrex Protoceptor tool, focusing on intercepting and analyzing gaming protocol traffic.
  • Implement (de)serialization, sequence number tracking and packet injection mechanisms for custom gaming network protocols.
  • Provide technical support for penetration testing teams who use the Protoceptor tool.
  • Maintain and document Protoceptor tool.

PythonCybersecurityGame DesignGame DevelopmentC++AlgorithmsData StructuresUnreal engineCI/CDRESTful APIsLinuxScriptingDebugging

Posted 4 days ago
Apply
Apply

📍 Bulgaria, Brazil, Turkey, Ukraine, Serbia

🔍 Software Development

  • Experience in the software QA industry: +1 year.
  • Demonstrated experience in test planning for complex features/systems.
  • Experience with bug tracking tools like JIRA, Bugzilla, Mantis.
  • Experience in Automated QA for web applications.
  • Experience in Functional QA for web applications.
  • Required knowledge: Cypress, JavaScript, Git, Browser Developer Tools.
  • Fluent in English.
  • Identify, record, document in detail, and track bugs.
  • Evaluate the quality of features on user experience and correctness.
  • Perform in-depth regression testing when bugs are resolved.
  • Collaborate in a team with other departments.
  • Create and maintain automated tests.
  • Analyze HTTP requests and responses.

SQLCypressGitJavascriptQA AutomationJiraAPI testingManual testingRegression testingJSON

Posted 5 days ago
Apply
Apply
🔥 Python Developer
Posted 3 months ago

📍 Brazil, Turkey, Ukraine, Bulgaria, Serbia

🔍 Software Development

  • Python 3 development.
  • Mongodb, elasticsearch, grafana.
  • Serialization mechanics used within network protocols.
  • Binary, hexadecimal, and ASCII notations.
  • Cryptographic algorithms (encryption, hashing).
  • API architectures and mechanisms.
  • Back-end architectures and common vendor libraries.
  • AWS services including EKS.
  • Reading and understanding C++.
  • Kubernetes and Docker.
  • Develop new functionalities within our load testing solution, Cyrex Swarm, and proxy tool, Cyrex Protoceptor.
  • Define the roadmap together with the team for both products.
  • Decide upon used technologies and libraries together with the team.
  • Integrate new communication protocols (TCP / UDP) within the various products.
  • Write load testing scripts in order to simulate real user behaviour on a network level.

DockerPythonAWS EKSElasticSearchKubernetesMongoDBC++GrafanaScripting

Posted 3 months ago
Apply
Apply
🔥 Game Penetration Tester
Posted 4 months ago

📍 Brazil, Ukraine, Serbia, Turkey, Argentina

🔍 Media, entertainment and tech

  • Expert knowledge on different vulnerabilities.
  • Expertise in finding and exploiting vulnerabilities.
  • Experience in pentesting of mobile applications and thick clients.
  • Great understanding and experience in Python and C++.
  • Strong knowledge about serialization and cryptographic algorithms.
  • Capable of mentoring, from juniors to seniors.
  • Excellent communication skills.
  • Flexibility and ability to adapt to new technological changes as per project need.
  • 5+ years of experience in penetration testing.
  • A passion for video games.
  • Collaborate with several team members at the same time.
  • Test mobile, PC and console games for security vulnerabilities.
  • Report findings in a professional manner.
  • Work with custom Python and C++ tooling.

PythonCybersecurityGame DevelopmentC++

Posted 4 months ago
Apply