Senior Software Engineer - New Markets Japan (JLPT N1 Fluent)
Core
Designing, implementing, and maintaining scalable backend systems and services for Alpaca's Japan market to support millions of users trading billions of dollars in assets.
Role type
Senior backend software engineer (Japan market expansion)
Builds
Scalable brokerage systems, middle- and back-office systems, gRPC microservices, REST/gRPC APIs, and third-party vendor integrations for the Japan market.
Domain
Fintech / Brokerage / Japan Financial Markets
Deliverable
production ML models | product features | infrastructure
Required skills
Backend system design, scalable application development, gRPC and REST API development, third-party vendor integration, regulatory compliance navigation, cross-functional collaboration, incident troubleshooting, on-call rotation management, Japanese language fluency (JLPT N1), Business-level English.
Preferred skills
Experience with JPX, JSCC, JASDEC integrations, knowledge of NISA, MyNumber, withholding tax, and JP-GAAP accounting, experience bridging engineering work with local regulatory requirements.
Technologies
gRPC, REST, microservices, Slack
Responsibilities
Design highly scalable, mission-critical brokerage systems for the Japan market; Develop and enhance middle- and back-office systems including vendor integrations; Coordinate in Japanese with local regulators, vendors, partners, and business stakeholders; Troubleshoot incidents and reported bugs to maintain system integrity; Participate in on-call rotations during Japan business hours.
Seniority
Senior, hands-on IC with mentorship responsibilities
