Senior Principal Systems Engineer, Bots + Fraud Detection (US East Coast)

This role would suit someone moving from a senior-level hands-on distributed systems role cyber security / fraud experience preferred. You must be willing to work East Coast hours and be onsite two days per week at one of the office locations listed below. This is not a fully remote role.

Available Locations: NYC Washington DC Austin Texas - considered if working East Coast hours.

About the department

Cloudflares Engineering Team is home to some of the industrys highest-performing engineers dedicated to building and scaling innovative software that handles a large proportion of the Internet. All of our systems run at a scale youre unlikely to find elsewhere in the industry (80m requests / second) and very low latency (single figure microseconds at most) so we can offer really unique challenges and opportunities for growth in this very interesting and fast-growing area.

Our teams responsible for Bots and Fraud Detection develop solutions to identify and mitigate malicious bot activities ensuring the security and integrity of our customers applications. We collaborate with product and other engineering teams to implement fraud detection mechanisms and our work includes deploying cutting-edge machine learning techniques.

Were very good at sharing knowledge and helping each other grow and have a real impact on the wellbeing of the internet!

What youll do

Join Cloudflares Device Fingerprinting team to tackle real-world security challenges relating to identifying abusive HTTP L7 traffic coming from people and automated bots. We capture a huge amount of metadata from traffic passing through our proxy and also from scripts running on client devices. There are fascinating data science and engineering scale problems to solve in working out which client devices are behind incoming requests in a privacy-first way including training and deploying machine learning models.

Our tech stack includes Go Rust Python JavaScript Kafka Kubernetes ClickHouse PostgreSQL and Jupyter notebooks.

What are we looking for

• An expert in designing integrating and optimizing distributed data processing pipelines
• Very strong hands-on coding skills in Go Rust Python or other high-performance languages
• Curiosity empathy and strong emotional intelligence
• Someone comfortable tackling ambiguous problems
• Experience in constructing and managing alerting and monitoring systems for data processing pipelines
• Exceptional abilities in systems-level debugging
• Familiarity with advanced analytics encompassing machine learning statistical inference and AI
• Preferred background or interest in Web Security and HTTP protocols

Bonus Points

• Knowledge and experience with columnar databases like ClickHouse
• Experience productionizing ML models
• Experience with cluster and configuration management systems such as Docker Salt
• Strong web security fundamentals
• Previous experience in bot and fraud detection

Compensation

Compensation may be adjusted depending on work location.

• For New York City & Washington DC based hires: Estimated annual salary of $154000 - $229000 (multiple levels included in range)

Equity

This role is eligible to participate in Cloudflares equity plan.

Benefits

Cloudflare offers a complete package of benefits and programs to support you and your family. Our benefits programs can help you pay health care expenses support caregiving build capital for the future and make life a little easier and fun! The below is a description of our benefits for employees in the United States and benefits may vary for employees based outside the U.S.

Health & Welfare Benefits

• Medical/Rx Insurance
• Dental Insurance
• Vision Insurance
• Flexible Spending Accounts
• Commuter Spending Accounts
• Fertility & Family Forming Benefits
• On-demand mental health support and Employee Assistance Program
• Global Travel Medical Insurance

Financial Benefits

• Short and Long Term Disability Insurance
• Life & Accident Insurance
• 401(k) Retirement Savings Plan
• Employee Stock Participation Plan

Time Off

• Flexible paid time off covering vacation and sick leave
• Leave programs including parental pregnancy health medical and bereavement leave

What Makes Cloudflare Special

Were not just a highly ambitious large-scale technology company. Were a highly ambitious large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.

Project Galileo: Since 2014 weve equipped more than 2400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work technology already used by Cloudflares enterprise customers--at no cost.

Athenian Project: In 2017 we created the Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free so that their constituents have access to election information and voter registration. Since the project weve provided services to more than 425 local government election websites in 33 states.

1.1.1.1: We released 1.1.1.1 to help fix the foundation of the Internet by building a faster more secure and privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released. Heres the deal - we dont store client IP addresses never ever. We will continue to abide by our privacy commitment and ensure that no user data is sold to advertisers or used to target consumers.

Sound like something youd like to be a part of Wed love to hear from you!

This position may require access to information protected under U.S. export control laws including the U.S. Export Administration Regulations. Please note that any offer of employment may be conditioned on your authorization to receive software or technology controlled under these U.S. export laws without sponsorship for an export license.

Cloudflare is proud to be an equal opportunity employer. We are committed to providing equal employment opportunity for all people and place great value in both diversity and inclusiveness. All qualified applicants will be considered for employment without regard to their or any other persons perceived or actual race color religion sex gender gender identity gender expression sexual orientation national origin ancestry citizenship age physical or mental disability medical condition family care status or any other basis protected by law. We are an AA/Veterans/Disabled Employer.

Cloudflare provides reasonable accommodations to qualified individuals with disabilities. Please tell us if you require a reasonable accommodation to apply for a job. Examples of reasonable accommodations include but are not limited to changing the application process providing documents in an alternate format using a sign language interpreter or using specialized equipment. If you require a reasonable accommodation to apply for a job please contact us via e-mail at or via mail at 101 Townsend St. San Francisco CA 94107.