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Rājēvrathnam Vijayan has a strong background in cybersecurity and has held various positions in the industry. Rājēvrathnam began their career as an Ethical Hacker at HackerOne in December 2020. From there, they went on to work as a Security Researcher at Bugcrowd, Ethical Hacker at Intigriti, and Ethical Hacker at YesWeHack, all in the same year. In 2021, they joined Immunefi as a Blockchain Security Researcher and later worked as a Web3 Hacker at HackenProof. Currently, they are working as an Open Source Security Researcher at huntr.dev.

Rājēvrathnam Vijayan holds a Bachelor of Science (BS) degree in Information Technology from Dr.N.G.P. Arts and Science College in India, which they obtained from 2017 to 2020. Rājēvrathnam then pursued further education in computer science, earning an Associate's degree from HarvardX in 2022 and a Master's degree from Open Source Society University from 2022 to 2024. In addition to their formal education, Rājēvrathnam Vijayan has obtained various certifications, including "Complete Introduction to Cybersecurity 2022" from Udemy in January 2022, "Intro to Bug Bounty Hunting and Web Application Hacking" from Udemy in December 2021, "Responsive Web Design" from freeCodeCamp in March 2021, "ICSI | CNSS Certified Network Security Specialist" from ICSI (International CyberSecurity Institute), UK in May 2020, and "Master in Ethical Hacking" from HackupTechnology in October 2019.