Senior Software Engineer – Fiat Payments, Banking Infrastructure
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Job Description
Senior Software Engineer at zerohash architecting fiat payment systems and banking infrastructure. Building scalable solutions for financial services bridging traditional finance and digital assets.
Responsibilities:
- Lead the architectural design and hands-on development of our global fiat payment rails (ACH, RTP, FedNow, Request for Pay, and SEPA).
- Architect, implement, and scale seamless API integrations into our banking partners' systems.
- Design and build robust treasury management software for internal operations, allowing programmatic liquidity management and automated balance transfers between partner banks.
- Develop robust internal operational tooling to support reconciliation, automated alerts, financial operations, and compliance reporting.
- Support the company's vital business by contributing to the design and development of software in an event-driven microservices environment.
- Develop microservices, primarily utilizing Golang.
- Work closely with platform engineers to set up new services and scale existing infrastructure.
- Respond to production issues and alerts, ensuring high availability of our payment gateways.
- When necessary, communicate directly with banking partners and client technical teams to resolve complex integration issues.
Requirements:
- 7+ years of software engineering experience, specifically focused on Payments, FinTech, or Banking-as-a-Service (BaaS) infrastructure.
- Deep proficiency with Golang in a production environment.
- Extensive understanding of traditional fiat networks and clearing systems (e.g., ACH, RTP, FedNow, SEPA, Swift).
- Strong expertise in SQL and complex database schema design for high-throughput, ACID-compliant financial ledgers.
- Hands-on experience developing, integrating, and maintaining resilient connections with bank APIs and third-party payment processors.
- A humble and scrappy get-it-done mindset; you're resourceful and in your element going from 0 to 1.
- Excellent problem-solving skills; you can systematically troubleshoot complex distributed systems.
- Comfort with ambiguity; the ability to independently lay out and test clear hypotheses, and solve architectural problems without well-defined direction.
- Excellent verbal and written communication skills.
Benefits:
- Healthcare Insurance: zerohash covers roughly 100% of employee premiums as well as a portion of spouse/children (U.S. only)
- Vision & Dental Insurance (U.S. only)
- Chance to earn equity
- Maternity & Paternity leave (after 6 months)
- WeWork All Access Membership
- WFH Yearly Stipend
- L&D Yearly Stipend (after 6 months)
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