Applied Cryptographer

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs. 

If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value.

THE WORK:

For this role, we are looking for motivated individuals with expertise in the latest blockchain cryptography and security. This high-impact role allows you to shape the vision and the future of the team.

A successful candidate will design new cryptographic systems based on the Crypto 2.0 standards: multi-party computation protocols, homomorphic encryption, and zero-knowledge proofs. These systems generate and manage cryptocurrency wallet keys and sign transactions in environments with mutual distrust, where multiple parties are engaged in joint computational work.  

WHAT YOU’LL DO:

A candidate will be responsible for:

• Technical analysis of academic whitepapers 
• Research and implementation of elements of cryptographic systems
• Validating results with rigorous proofs
• Collaboration with the engineering team, commitment to writing a code
• Performing security assessments
• Presentation of Ripple research to the community via active participation in standards bodies, academic conferences, and social media. 
• Participation in workshops and hackathons.

WHAT YOU’LL BRING

• 5+ years of relevant experience in the field of cryptography. 
• Excellent knowledge of number-theoretical problems related to asymmetric cryptography, hash functions, commitments, and digital signatures. 
• Experience in homomorphic encryption, identification protocols, and zero-knowledge proofs.
• Experience in multi-party computation.
• Analytic skills and the mindset of a continuous learner. 
• Experience in one or more programming languages: Scala, Rust, C++, or Python.

* Accountability, an ownership of the end-to-end result.

• A passion for sharing knowledge with your team, the organization, and a broader community. 
• Fluency in English.

Bonus to have

• Knowledge of consensus protocols
• Hand-on experience in Rust language and its ecosystem

Education

Master's or PhD degree in cryptography, mathematics, or a similar field.

WHO WE ARE:

Do Your Best Work

• The opportunity to build in a fast-paced start-up environment with experienced industry leaders
• A learning environment where you can dive deep into the latest technologies and make an impact.  A professional development budget to support other modes of learning.
• Thrive in an environment where no matter what race, ethnicity, gender, origin, or culture they identify with, every employee is a respected, valued, and empowered part of the team.
• In-office collaboration for moments that matter is important to our culture, and we give managers and teams the flexibility to decide which 10+ days a month they come in. 
• Weekly all-company meeting - business updates and ask me anything style discussion with our Leadership Team
• We come together for moments that matter which include team offsites, team bonding activities, happy hours and more!

Take Control of Your Finances

• Competitive salary, bonuses, and equity
• Competitive benefits that cover physical and mental healthcare, retirement, family forming, and family support
• Employee giving match
• Mobile phone stipend

Take Care of Yourself

• R&R days so you can rest and recharge
• Generous wellness reimbursement and weekly onsite & virtual programming
• Generous vacation policy - work with your manager to take time off when you need it
• Industry-leading parental leave policies. Family planning benefits.
• Catered lunches, fully-stocked kitchens with premium snacks/beverages, and plenty of fun events

Benefits listed above are for full-time employees.