Backend Software Engineer - AI Finance Agent

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
• ▹Integrate with banks, payment gateways, insurers and data providers
• ▹Improve reliability, observability, security and performance
• ▹Build practical, auditable systems 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
• ▹Practical trade-offs between speed, quality and risk
• ▹Based in Poland (remote)
• ▹Strong English communication

Nice to have

• ▹Experience in fintech, payments, insurance, lending, banking or regulated products

Soft skills

What we offer

• ▹Remote work

About the company

BJAK started in 2019 as a mobile-first insurance platform and is now the leading one in Southeast Asia, expanding into financial services. Its team spans over 20 nationalities.