Backend Web3 Jobs in California, United States

MobileCoin is building the future of digital payments. We are making the cryptocurrency you will use everyday to pay for anything - as fast and as private as cash.

We are passionate about developing world-class products and software which maintain unprecedented user privacy while delivering the next-generation digital payments platform. We believe that career fulfillment and enterprise success converge when smart, hard-working, and intellectually curious people come together with a shared goal of innovation, and the pursuit of excellence.

Your Role:

We are looking for a Senior Backend Developer to join our team! As a backend engineer, you will work on our services that power our payment and financial solutions. This is a rare opportunity for an experienced technologist to join a well-positioned team at an early stage to deliver immediate, measurable and long-lasting impact. You will gain exposure to many aspects of developing and deploying leading-edge cryptographic and financial primitives and work alongside individuals with proven experience building some of the most innovative blockchain technologies in the world.

Responsibilities:

• Design, develop, and test new backend services using Kotlin, including APIs, data storage, and business logic
• Maintain code quality and ownership of existing backend systems
• Collaborate with product owners and the rest of the engineering team
• Review and shape user experience based on backend capabilities and designs
• Communicate with the company's partners to help integrate MobileCoin

Required Skills, Qualifications and Experience:

• Minimum 5 years of backend software engineering experience
• Experience with backend development, ideally in Kotlin, Java, Rust, Go, Python, or Ruby
• Experience in API design + performance optimization
• Experience with SQL and databases + ORMs
• Experience with automated software testing + continuous integration and deployment
• Ability to take on complex and ambiguous problems and move forward in the face of uncertainty

Preferred Skills, Qualifications and Experience:

• Experience with static languages such as Rust, Kotlin or other JVM languages
• Experience with gRPC
• NoSQL database experience
• Understanding cryptocurrency space
• Understanding of cryptographic concepts: (a)symmetric cryptography, hashing, signatures
• Experience with developing libraries/SDKs
• Experience developing in PII-sensitive environments

Benefits:

• Competitive Salary (based on experience)
• Equity
• Annual bonus
• Blue-chip Healthcare Benefits
• Monthly Wellness, Food, Education & Tech Stipend
• 401k Matching
• Unlimited PTO
• Unique opportunity to be an early part of a fast-growing Silicon Valley “unicorn”

Location: We are a remote-first organization with our main office & headquarters located in San Francisco. Candidates in North American time zones preferred