Our client is building an institutional-grade digital asset brokerage and execution platform from the ground up. They are looking for a hands‑on software engineer to be their first and only technology hire in Australia, working closely with the global engineering team and the business.

This is a true ground‑floor role. You’ll write production code from day one, own the local delivery of platform features, and have a clear path to grow into a technical lead and build out an Australian engineering team as the business scales.

The Role

You’ll build and maintain the platform layer that institutional clients use across the trade lifecycle: the APIs, portals, and automation that connect clients to execution, post‑trade, custody, and market data systems.

Day to day, you will:

- Write, test, and ship production code for APIs, client portals, and straight‑through processing workflows that replace manual operations
- Build and support event‑driven pipelines, learning and applying good practice around idempotency, replay, and reliability
- Integrate with execution, custody, and market data vendors and counterparties
- Use AI‑assisted tooling and LLM‑driven automation to speed up delivery and remove repetitive operational work, with a sharp eye on cost and quality
- Monitor and manage cloud costs on AWS, making sensible, cost‑aware decisions on compute, storage, and tooling
- Check your own work and that of AI tools: reviewing generated code, writing tests, and making sure what ships is correct, secure, and maintainable
- Act as the point of contact for technology in Australia, working directly with traders, operations, and compliance to turn manual processes into automated ones
- Document systems and decisions so the platform is easy to hand over as the team grows

What We’re Looking For

Essential

- 2–5 years’ professional software engineering experience, ideally in fintech,



capital markets, or another reliability‑critical environment
- Solid hands‑on skills in .NET (C#) or a comparable backend language, and a willingness to go deeper
- Working knowledge of AWS, with an interest in cost optimisation and efficient infrastructure
- Practical experience using AI coding assistants and LLM tools day to day, and the judgement to verify their output and keep usage costs under control
- Exposure to messaging or event‑driven systems (Kafka, SQS, RabbitMQ, or similar)
- A habit of testing and validating your own work before it ships
- Comfort working independently as the sole technologist in a region, communicating clearly with non‑technical stakeholders
- A builder’s mindset: you enjoy finding manual processes and automating them
- Australian work rights

Desirable

- Experience with time‑series or tick data (kdb+/q, InfluxDB, TimescaleDB, or similar)
- Familiarity with FIX protocol, OMS/EMS, or exchange connectivity
- Interest in or exposure to crypto markets, custody, or digital asset infrastructure
- Experience with infrastructure‑as‑code, CI/CD, and observability tooling
- Some experience mentoring peers, interns, or junior developers

Why This Role

- Ground‑floor chance. You’ll be the only IT resource in Australia, with real ownership and visibility from the start
- Clear growth path. There is genuine long‑term potential to step into a lead role and hire and build an Australian engineering team
- A build, not maintenance. You’ll work on new systems, shaping architecture and writing code that matters
- Strong foundations. The business holds an AFSL and has established relationships with tier‑one custody and execution counterparties, with a clear commercial mandate across digital assets and FX
- Learn from the best. You’ll work alongside senior engineers and domain experts globally, accelerating your growth in trading and market infrastructure

📌 Software Engineer Digital Assets (Sydney)
🏢 Proof of Search
📍 Sydney