Senior Software Engineer (Web3/Crypto)

TL;DR

Senior Software Engineer (Web3/Crypto): Design and build scalable, robust APIs and services for a digital asset platform with an accent on cryptographic solutions, API design, and microservices architecture. Focus on implementing secure backend systems, solving complex algorithmic problems, and ensuring system reliability.

Location: This role will require being full-time onsite at our San Francisco office.

Salary: $180,000 - $220,000 USD base salary

Company

hirify.global is a leading infrastructure provider of digital asset solutions, offering custody, wallets, staking, trading, and settlement services from regulated cold storage.

What you will do

• Design and build scalable, robust APIs, libraries, and services for the API-first platform.
• Own functionality and scalability features from inception to deployment and customer integration.
• Expose and document functionality to UI, third-party developers, and internal/external tooling.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Write clean, maintainable, and efficient code, ensuring performance and responsiveness.
• Identify and correct bottlenecks, fix bugs, and continuously implement new technologies.

Requirements

• Bachelor's or Master's degree in Computer Science, Mathematics, Cryptography, or a related field.
• At least 6 years of proven experience in designing and implementing cryptographic solutions for enterprise-level backend/server-side systems.
• Strong understanding of cryptographic algorithms and protocols such as RSA, ECC, AES, and SHA.
• Great at algorithm design, problem-solving, and complexity analysis.
• Strong experience with C, C++ or Rust.
• Experience with TypeScript, Node.js, PostgreSQL, and MongoDB.

Nice to have

• Familiarity with security best practices and standards (ISO 27001, NIST, FIPS).
• Experience working in cryptography with a focus on TSS and MPC.
• Understanding of and experience working in cryptocurrencies and blockchain or centralized financial industry.

Culture & Benefits

• Competitive base salary, bonus, and stock options.
• 100% company paid health insurance for employee, partner, and dependents.
• Up to 4% 401k company match.
• Paid parental leave and paid vacation.
• Free commuter/parking pass, near BART and Caltrain.
• Free custom lunches, dinners, and snacks.