Remote Backend Engineer - Build Scalable Fintech APIs

BJAK; Indonesia; On-site; IDR 180,000,000 - 300,000,000; Full time

Job summary

BJAK is seeking backend engineers to build the core systems behind its AI Neobank app. This role focuses on reliable APIs and a scalable financial product infrastructure that can operate across markets for millions of users.

You will contribute to designing, building and maintaining backend services, integrating with internal systems, partners and AI services, while ensuring security, latency, and data integrity across the platform.

Qualifications

• Experience building services used by real customers at scale.
• Strong debugging, reliability, security and data quality mindset.
• Ability to trade off speed, correctness, scalability and maintainability.

Responsibilities

• Build backend services and APIs for onboarding, accounts, payments, cards and transfers.
• Design reliable systems that support real customer transactions and workflows.
• Integrate with partners, payment providers and AI services.
• Own backend quality including reliability, security, latency and data integrity.

Skills

APIs

Databases

Authentication

Authorization

Queues

Event-driven

Integrations

Reliability

Job description

BJAK is seeking backend engineers to build the core systems behind its AI Neobank app. This role focuses on reliable APIs and a scalable financial product infrastructure that can operate across markets for millions of users.

You will contribute to designing, building and maintaining backend services, integrating with internal systems, partners and AI services, while ensuring security, latency, and data integrity across the platform.