Bjak

Lead Engineer - AI Payments App

Bjak
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3 hours ago
Tokyo, JapanStaff+

Responsibilities

  • Lead the technical design and execution of major products, features, and engineering initiatives.
  • Design scalable, reliable, and maintainable systems across backend, frontend, APIs, databases, and infrastructure.
  • Remain hands-on through coding, prototyping, code reviews, debugging, and production problem-solving.
  • Make architecture decisions and technical trade-offs involving speed, scalability, reliability, and maintainability.
  • Break ambiguous product and technical problems into clear engineering solutions and execution plans.
  • Set high standards for code quality, system design, testing, security, observability, and production reliability.
  • Review technical designs and code, provide actionable feedback, and mentor engineers.
  • Identify technical risks, bottlenecks, and architectural weaknesses before they become larger problems.
  • Collaborate with engineering, product, design, and AI teams to ship high-quality products.
  • Improve engineering tooling, development practices, and automation to increase team velocity.
  • Monitor systems after release, investigate incidents, resolve root causes, and continuously improve reliability.

Requirements

  • Significant experience building and shipping production software systems.
  • Deep technical expertise in one or more areas such as backend, frontend, distributed systems, APIs, databases, or cloud infrastructure.
  • Strong system design, architecture, coding, debugging, and production engineering skills.
  • Proven experience leading major engineering projects or providing technical leadership to other engineers.
  • Ability to communicate complex technical decisions, influence across teams, and connect engineering choices to customer and business outcomes.
  • Strong ownership, judgment, product sense, and ability to work effectively through ambiguity.
  • Strong English communication skills.
  • Candidates should be able to demonstrate personally designing, building, shipping, or scaling a serious product, platform, or system.

Benefits

  • Hybrid role requiring at least 3 days per week in the local office, with remaining days offering remote flexibility.
  • Candidates must be based in or able to work from the advertised location.
  • English is the main working language and strong English communication is required.
Bjak

About Bjak

201-500 employees

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.