Backend Developer
Core
Build reliable backend APIs, workflows, and financial product infrastructure for BJAK's AI Neobank app to support millions of users across Southeast Asia.
Role type
Senior Backend Engineer (Fintech/Neobank)
Builds
Core systems for onboarding, accounts, payments, cards, transfers, rewards, travel, FX, KYC, and risk flows for a mobile-first insurance and financial platform.
Domain
Fintech, Neobanking, Payments, Insurance
Deliverable
production ML models | product features
Required skills
Backend engineering in production systems, API design, database management, authentication and authorization, message queues and job processing, event-driven architecture, system integration, debugging, reliability engineering, security mindset, data quality assurance, scalability design, operational risk management.
Preferred skills
Fintech, payments, banking, wallet, KYC, fraud detection, or risk management experience.
Responsibilities
Build and maintain backend services for financial transactions and user flows; design scalable systems for real customer transactions; integrate with internal systems, financial partners, and third-party platforms; ensure system reliability, security, and observability; collaborate with product, frontend, mobile, and AI teams; automate operational workflows.
Seniority
Senior, hands-on IC