Tech Lead — Banking & Payments Platform

expertech; Sydney; On-site; AUD 150,000 - 190,000; Full time

Benefits offered by this job

Birthday leave

Life event day

Two weeks WFA

Competitive remuneration

Employee wellbeing

Job summary

Expertech in Sydney is seeking an experienced tech lead to join a high-growth fintech and build the core banking infrastructure behind a modern lending platform. You will influence architectural decisions for wallets, accounts, ledgers, payments and offset accounts, and work closely with product and engineering teams to ensure secure, highly available systems.

Joining the newly formed Banking Squad, you will shape technical direction, mentor engineers, and drive fault-tolerant design and data

Qualifications

• 5+ years of backend or full-stack development, with Node.js expertise.
• Strong experience with relational databases, APIs and concurrency control.
• 2+ years building mission-critical financial systems (banking/payments/ledgers).
• Solid understanding of double-entry accounting and financial reconciliation.
• Designing architectures focused on fault tolerance, high consistency and scalability.
• Experience with safe production data migrations and data integrity.
• Knowledge of security, compliance and auditability in regulated environments.
• Excellent communication and ability to explain trade-offs to non-technical stakeholders.

Skills

Backend engineering

Node.js

Relational databases

API design

Concurrency control

Financial systems

Double-entry accounting

Fault-tolerant architecture

Data integrity

Observability & reliability

Security & compliance

Communication & ownership

Job description

Expertech in Sydney is seeking an experienced tech lead to join a high-growth fintech and build the core banking infrastructure behind a modern lending platform. You will influence architectural decisions for wallets, accounts, ledgers, payments and offset accounts, and work closely with product and engineering teams to ensure secure, highly available systems.

Joining the newly formed Banking Squad, you will shape technical direction, mentor engineers, and drive fault-tolerant design and data