Experience

Cumulocity IoT

• Germany
• IT Services and IT Consulting
• 1 - 100 Employee

• Part Time Software Developer

  • Dec 2022 - Present

  As a Java Developer, I applied my skills in Java and related frameworks using IntelliJ IDEA to develop scalable applications. I worked with a range of protocols, including HTTP, MQTT, OPCUA, REST, and UDP, CoAP, DTLS, LwM2M using the Leshan and Californium stack.I frequently handled application layer HTTP and CoAP requests and managed data structures in XML and JSON formats. Working in a Scrum team, I actively participated in sprints and retrospectives, documenting our projects for accessibility. I combined technical skills with effective teamwork and communication to deliver high-quality solutions. Show less

• Cybersecurity Intern

  • Mar 2023 - Aug 2023

  During my internship , I focused on the assessment and hardening of the LwM2M Agent. I regularly used tools such as Wireshark, Linux Terminal, Bash and Python scripting, Hping3, TCPdump, LocustIO, and SSH, enhancing my practical knowledge of cybersecurity.I expanded my understanding of UDP, CoAP, HTTP, LwM2M, and DTLS protocols. I honed skills in DDoS penetration testing and mitigation, researched academic papers to teach myself about DDoS pen-testing & mitigation, and performed detailed network and packet analysis.Additionally, I learned packet manipulation, Concurrent and thread-safe coding, and implemented DDoS Mitigation Algorithms. I engaged in network stress testing, studied various authentication methods, and handled application layer requests. I combined these skills to effectively secure and improve the products' resilience to DDoS attacks. Show less