Staff Software Engineer - New Markets Japan

New

Alpaca Fintech / Brokerage

Remote - APAC, Japan business hoursFull-TimeStaff

SalaryCompetitive Salary & Stock Options

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Job Details

Languages: Native or JLPT N1 level fluency in Japanese; Business-level English fluency
Required Skills: GogRPCRESTful APIsAccountingMicroservices

Native or JLPT N1 level Japanese fluency.
Business-level English fluency for collaboration and documentation.
Proven experience designing complex financial systems, preferably with double-entry accounting.
Strong understanding of accounting principles, ledger structures, and transaction reconciliation.
Experience building scalable, high-availability financial applications handling multi-currency transactions.
Familiarity with financial regulatory compliance, preferably Japan-specific (FIEA, FSA, JSDA, JIPF).
Proficiency in at least one statically typed language (e.g., Go, Rust, Java, Kotlin, C#, Scala, or C++).
Experience with financial APIs, market data, and trade settlement processes.
Strong computer science fundamentals and software architecture experience.
Ability to work independently in a globally distributed, fully remote environment.
Experience with domain-driven design and event-driven design.

Design highly scalable, mission-critical brokerage systems for the Japan market.
Develop and enhance middle- and back-office systems, including gRPC microservices and REST APIs.
Integrate with Japan-specific market infrastructure (e.g., JPX, JSCC, JASDEC, banks, and identity vendors).
Collaborate with global teams to transform core frameworks for Japan-specific requirements like NISA and JP-GAAP accounting.
Coordinate with local regulators, vendors, and business stakeholders in Japanese and translate into technical specifications.
Troubleshoot incidents and participate in on-call rotations during Japan business hours.

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