Senior Backend Engineer - AI Finance Platform (Remote AU)

Nsw Department Of Customer Service; Sydney; Remote; AUD 120,000 - 160,000; Full time

Job summary

BJAK is seeking a Backend Software Engineer to build the core systems behind the AI Finance Agent. You will design reliable APIs, scalable workflows and financial product infrastructure that can operate across markets and millions of users.

You will own backend services for the Neobank app, integrate with banks and data providers, and collaborate with product and mobile teams to ship customer journeys quickly. English is required; remote role for Australia-based candidates.

Qualifications

• 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.
• Security, reliability, data quality and operational edge cases.
• Ability to balance speed, quality and risk.
• Able to work with product, mobile, operations and business teams.
• Experience in fintech, payments, insurance or regulated products is a strong advantage.

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.

Skills

API design

Databases

System design

Production debugging

Security

Job description

BJAK is seeking a Backend Software Engineer to build the core systems behind the AI Finance Agent. You will design reliable APIs, scalable workflows and financial product infrastructure that can operate across markets and millions of users.

You will own backend services for the Neobank app, integrate with banks and data providers, and collaborate with product and mobile teams to ship customer journeys quickly. English is required; remote role for Australia-based candidates.