Principal Security Engineer, Blockchain
Posted on: January 13, 2022
At PayPal (NASDAQ: PYPL), we believe that every person has the
right to participate fully in the global economy. Our mission is to
democratize financial services to ensure that everyone, regardless
of background or economic standing, has access to affordable,
convenient, and secure products and services to take control of
their financial lives. We're a purpose-driven company, and our
beliefs are the foundation of how we conduct business every day.
We're guided by our core values of Inclusion, Innovation,
Collaboration, and Wellness. Collectively, these values inspire us
to work together as One Team with our customers at the center of
everything we do, and to take care of ourselves, each other, and
the communities in which we live and work. We challenge the status
quo, ask questions, and find solutions. Join us as we enable the
hopes, dreams, and ambitions of millions of people around the
PayPal is hiring a Principal Security Engineer for its Blockchain,
Crypto and Digital Currency (BCDC) organization to expand its
security assessment practice. We seek people with the desire and
capacity to build and share expertise in the frontier technologies
of crypto and blockchain. If you are into blockchain security,
product design, penetration testing, smart contract security
reviews, and/or fuzzing code, this could be the perfect job for
We are looking to expand our core security team by hiring a
blockchain Principal Security Engineer who shares our passion for
information security and decentralized systems, and our insatiable
curiosity of how things work (and break). This role is for a
Principal Security Engineer where the ideal candidate would be a
seasoned security assessor and Blockchain enthusiast with
experience in decentralized system security (e.g. smart contract
auditing), who is looking to help secure software at the core of
leading projects in the blockchain ecosystem.
In this role you will:
- Provide security guidance on new blockchain products and
- Be responsible for assessing blockchain security
vulnerabilities and new blockchain security events.
- Conduct security research and vulnerability mining on
blockchain public chain and application layer.
- Take a supporting and collaborative role in driving internal
blockchain security and privacy initiatives.
- Interact with the line of business and PayPal cyber leadership
community regarding blockchain vulnerabilities and
- Create effective and pragmatic cryptographic designs leveraging
fundamental cryptographic algorithms and the underlying
mathematics, such as finite field arithmetic.
- Validate state-of-the-art algorithms and protocols across a
broad range of architectures, including considerations to
side-channel attacks, performance, and memory/code size
- You will become the primary security expert for multiple
product lines, and act as the point of contact for engineering and
- Support engineering with implementing security fixes, ensuring
security scanners are utilized correctly and develop strategies to
proactively secure their architecture.
- Create threat models and leverage them to prioritize time-based
on risk impact.
- Currently, be working on blockchain security-related
- Have a deep understanding of side-channel attacks and other
challenges to modern applied cryptography.
- Be familiar with common vulnerability principles and mining
- Be familiar with common blockchain development frameworks,
experience in static code analysis, reverse engineering experience
is a plus.
- Have experience in assessing consensus mechanisms.
For more than 20 years, PayPal has remained at the forefront of the
digital payment revolution. By leveraging technology to make
financial services and commerce more convenient, affordable, and
secure, our open digital payments platform gives PayPal's 400
million active account holders the confidence to connect and
transact in new and powerful ways. Through a combination of
technological innovation and strategic partnerships, PayPal creates
better ways to manage and move money, and offers choice and
flexibility when sending payments, paying, or getting paid.
Available in more than 200 markets around the world, the PayPal
platform, including Braintree, Venmo and Xoom, enables consumers
and merchants to receive money in more than 100 currencies,
withdraw funds in 56 currencies and hold balances in their PayPal
accounts in 25 currencies.
PayPal provides equal employment opportunity (EEO) to all persons
regardless of age, color, national origin, citizenship status,
physical or mental disability, race, religion, creed, gender, sex,
pregnancy, sexual orientation, gender identity and/or expression,
genetic information, marital status, status with regard to public
assistance, veteran status, or any other characteristic protected
by federal, state or local law. In addition, PayPal will provide
reasonable accommodations for qualified individuals with
disabilities. If you are unable to submit an application because of
incompatible assistive technology or a disability, please contact
us at firstname.lastname@example.org.
Keywords: PayPal, Olympia , Principal Security Engineer, Blockchain, Engineering , Olympia, Washington
Didn't find what you're looking for? Search again!