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Backend Software Engineer - AI Finance AgentBJAK · Thailand
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BJAK

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Backend Software Engineer - AI Finance Agent

🗓️ Posted 2026-10-01 Thailand Fulltime Hybrid ICT
💰 Salary Not shared 📊 Market THB 60,000–THB 120,000/mo

About the Company

The original mission of BJAK is we believe people deserve smarter ways to plan, save and grow their money. This is the origin of our name. Started in 2019, we built the first mobile-first, insurance platform, enabling insurance to be accessible online by millions in the region. Today, its the leading insurance platform in Southeast Asia. Today, we are expanding ways to help people in the region - this includes spending, saving, investing, exchanging, travelling, and more. Our mission is help people get more from their money every day. We have teams working around the world, with over 20 nationalities from our offices and remotely, who truly enjoys their work.

About the Role

We are looking for backend engineers to build the core systems behind BJAK's AI Finance Agent. This role is for engineers who can build reliable APIs, workflows and financial product infrastructure that can scale across markets, partners and millions of users.

Responsibilities

  • ● Build backend services, APIs and workflows for the AI Neobank app.
  • ● Support products across insurance, payments, wallet, savings, investing, travel and financial services.
  • ● Design reliable systems for user accounts, transactions, partner integrations, reconciliation, notifications and operations.
  • ● Work with product and mobile teams to ship customer-facing journeys quickly.
  • ● Integrate with banks, payment gateways, insurers, data providers and other partners.
  • ● Improve system reliability, observability, security and performance.
  • ● Build systems that are practical, auditable and ready for regulated financial products.

Requirements

  • ● 3+ years of backend engineering experience.
  • ● Strong fundamentals in APIs, databases, system design and production debugging.
  • ● Experience building scalable services and integrating third-party systems.
  • ● Good understanding of security, reliability, data quality and operational edge cases.
  • ● Able to make practical trade-offs between speed, quality and risk.
  • ● Comfortable working with product, mobile, operations and business teams.
  • ● Experience in fintech, payments, insurance, lending, banking or regulated products is a strong advantage.

Nice to Have

  • ● Experience in fintech, payments, insurance, lending, banking or regulated products is a strong advantage.

Application Notes

If you're this person, we'd love to talk to you. Our process is designed to move fast: online assessment or practical task, technical interview, CEO / final round. For strong candidates, we aim to complete the process and make an offer within 1 week from the start of the interview process. Candidates who complete assessments quickly will be prioritized.