2 months ago
Tokyo, JapanSenior
Responsibilities
- Build backend services and APIs for onboarding, accounts, payments, cards, transfers, rewards, travel, foreign exchange, KYC, and risk flows.
- Design reliable systems that support customer transactions, operational workflows, and future financial products.
- Integrate with internal systems, financial partners, payment providers, AI services, and third-party platforms.
- Own backend quality across reliability, security, latency, observability, data integrity, and incident handling.
- Collaborate with product, frontend, mobile, and AI teams to launch features quickly and safely.
- Improve existing systems by simplifying flows, removing manual work, and automating repeatable processes.
Requirements
- Strong backend engineering experience in production systems.
- Understanding of APIs, databases, authentication, authorization, queues, jobs, events, and integrations.
- Experience building services used by real customers or internal operations at meaningful scale.
- Strong debugging, reliability, security, and data quality mindset.
- Ability to make practical trade-offs between speed, correctness, scalability, and maintainability.
- Fintech, payments, banking, wallet, KYC, fraud, or risk experience is a strong plus but not required.
- Strong English communication skills are required.
- Candidates should have personally helped build, ship, or scale a serious product, platform, or system.
Benefits
- Hybrid work arrangement based in Japan with at least 3 days per week in the Japan office.
- Fast interview process targeting an offer within 1 week from the start of interviews for strong candidates.
Categories
About Bjak
Our mission is to develop technology based solutions to improve financial inclusion. We develop new & innovative platforms & services globally. For example, we are the first platform to simplify and digitise comprehensive life and medical insurance, supported by AI agent. BJAK is the largest insurance platform in Southeast Asia. If you enjoy building cutting edge platform-ecosystems that gives equal access to financial services to everyone at scale, join us.