Senior Software Engineer

Role Description

As a Senior Software Engineer (Backend / Payments Infrastructure), you will:

• Design, build, and own scalable backend services and microservices that power financial transactions.
• Develop secure, reliable APIs for transferring value across blockchain protocols and traditional banking systems.
• Build infrastructure supporting payments, wallets, tokenization, and financial workflows.
• Collaborate cross-functionally with product and engineering teams to define and ship new features.
• Integrate systems with banks, payment providers, and financial platforms.
• Troubleshoot system issues and ensure high availability and performance.
• Contribute to system architecture, design standards, and engineering best practices.
• Build and maintain data systems, messaging layers, and APIs supporting payment flows.

Qualifications

• 6+ years of professional software engineering experience.
• Strong backend development experience in Java (preferred) or similar object-oriented languages.
• Experience designing and building scalable, production-grade systems.
• Background working with payment systems (e.g., credit cards, bank transfers, financial infrastructure).
• Strong understanding of RESTful API design and distributed systems.
• Experience with cloud platforms (AWS, GCP, Azure).
• Experience with SQL databases and schema design.
• Proven ability to lead technical design and mentor small teams (2–4 engineers).
• Strong focus on code quality, testing, and maintainability.

Requirements

• Experience with Go or other backend languages (preferred).
• Exposure to blockchain, Web3, or digital asset systems (preferred).
• Experience working in fintech or highly regulated environments (preferred).
• Familiarity with messaging systems and event-driven architectures (preferred).

Benefits

• Base salary: $147,500 – $195,000 + equity (highly flexible for top candidates).
• Fully remote (U.S.-based) with strong West Coast collaboration preference.
• Multiple team options across payments, liquidity, developer platform, and blockchain infrastructure.
• Collaborative, high-feedback engineering culture.
• Opportunity to work on foundational infrastructure powering global financial systems.