Spam and Abuse Analyst


Job Description

Job description

ProtonMail was started by scientists and engineers from CERN in 2013 to make end-to-end encrypted email as easy to use as Gmail. Since then, we have grown to become the world's premier secure email service with over 10 million users and a profitable business model. We are rapidly scaling our talented teams to improve our core email product as well as to build an entire suite of web services that safeguards privacy in the digital age.

While the open nature of email is great for interoperability, accessibility and freedom from centralized control, it also creates challenging spam and abuse problems. For instance, a significant percentage of incoming emails to ProtonMail users are spam, some of which are dangerous phishing attacks. Also, like a free email service open to all, ProtonMail inevitably attracts signups from bad actors who abuse our excellent email delivery and reputation.

You will join a growing abuse-desk team to analyze and mitigate spam and abuse attacks. This will involve working with sophisticated anti-spam and anti-abuse systems, including machine learning solutions.

Your work will directly improve the user experience and digital security of millions of people around the world. No domain knowledge or prior experience is required but you should have a technical background in data analytics, software engineering, or other STEM fields.

What you will do:

    • Analyze results from our anti-spam/anti-abuse systems
    • Create rules to catch and prevent spam/abuse attacks
    • Train machine learning models
    • QA/test critical systems and suggest improvements to engineers
    • Communicate with users regarding account security and abusive behaviours
    • Collaborate with teammates on different continents to provide 24/7 coverage


    Job requirements
    - Technical degree such as math, science or engineering
    - Excellent English communications
    - Experience performing data analysis or coding
    - Bonus: experience crafting regular expressions
    - Bonus: interest in digital security and Internet technologies

    Please send an email to [email protected] explaining why you think you are fit for this role, and please include your English resume as an attachment.


    45K ~ 55K TWD/month



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    About us

    Our mission is to defend human rights and democracy through building software that is essential for digital freedom and privacy protection for all Internet users.

    ProtonMail was founded in 2014 at the European Organization for Nuclear Research (CERN) by a team of researchers led by Taiwanese-American scientist Dr. Andy Yen. And since its inception, the company has grown at a fast pace and today has over 26 million users. Our principal product, ProtonMail, is the world’s largest secure email service. Our second product, ProtonVPN, is one of the world’s most popular VPN services. Our vision is to build an Internet platform for the protection of digital rights, and we are also developing additional products such as ProtonCalendar, ProtonDrive, and much more.

    Proton users include leaders of the Hong Kong protest movement, New York Times journalists, some of the world’s largest corporations, and millions of ordinary citizens from over 180 countries. Our team is diverse and dynamic, representing over 30 different nationalities, with offices in Geneva, Zurich, Prague, Vilnius, Skopje, San Francisco and now also Taipei. Proton Taiwan was established in November 2019 to be a major new engineering office. We expect to expand rapidly from 10 employees to 100 employees over the next several years. We are looking for passionate people to join our growing team and help us build a better Internet that defends democracy.


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