Staff Software Engineer New Markets Japan

Alpaca is a brokerage infrastructure company providing developer APIs for stocks, options, fixed income, and crypto trading, plus tokenization infrastructure for TradFi–DeFi markets.

Maintainer signals as of 9/2/2026

San Mateo, California, United States
About Alpaca

Alpaca provides API-first brokerage infrastructure for fintechs, institutions, algorithmic traders, and developers. Its offerings include Broker API, Trading API, market data, self-clearing brokerage services, crypto services, and the Instant Tokenization Network for in-kind minting and redemption of tokenized assets.

View jobs by Alpaca

Skills

About the Role

You will design, implement, and maintain scalable brokerage systems for the Japan market. You will build middle- and back-office services, APIs, and vendor integrations; translate local regulatory and partner requirements into technical specifications; improve the global platform; and troubleshoot production incidents during Japan business hours.

Requirements

  • Native or JLPT N1 Japanese fluency
  • Business-level English fluency
  • Experience designing and developing complex financial systems
  • Understanding of accounting principles, ledger structures, and transaction reconciliation
  • Experience building scalable, highly available multi-currency financial applications
  • Familiarity with financial-market regulatory compliance, preferably in Japan
  • Proficiency in a statically typed language such as Go, Rust, Java, Kotlin, C#, Scala, or C++
  • Experience with financial APIs, market-data integrations, and trade settlement
  • Software engineering architecture experience
  • Experience with domain-driven design and event-driven design
  • Ability to work independently in a fully remote global team
  • Ability to lead and troubleshoot incidents during Japan business hours

Responsibilities

  • Design scalable, mission-critical brokerage systems for the Japan market
  • Develop middle- and back-office systems, gRPC microservices, APIs, and third-party vendor integrations
  • Enhance the core framework to support multiple languages, currencies, markets, and Japan-specific requirements
  • Collaborate with global technical leads to align engineering work
  • Translate Japanese regulatory, vendor, partner, and business requirements into technical specifications
  • Troubleshoot incidents and reported bugs
  • Participate in on-call rotations and address production issues during Japan business hours

Benefits

  • Stock options
  • Health benefits
  • One-time USD 500 home-office setup
  • USD 150 monthly stipend via a Brex Card