Senior Software Engineer

2 weeks ago

Docklands, Victoria, Australia Cubewire Full time $125,000 - $175,000 per year

About Cubewire

We're a TypeScript-first team delivering comprehensive Web3 infrastructure for enterprises. Our Wallet and Chain solutions provide multi-network support, native KYC, granular policy controls, risk scoring, and regulatory compliance. We build secure, scalable, and EVM-compliant systems that make enterprise blockchain adoption seamless and trustworthy.

What You'll Be Working On

  • Designing and building
    enterprise-grade wallet infrastructure
    that supports multi-tenant custody, secure signing, and high-volume transaction processing.
  • Developing SDKs and APIs for wallet orchestration, policy enforcement, and integration with enterprise systems.
  • Architecting resilient wallet workflows across hot, warm, and cold storage models (e.g., MPC, HSM-based, or air-gapped signing).
  • Contributing to
    compliance-driven features
    such as limits, approvals, KYC/AML checks, and audit trails.
  • Optimizing transaction pipelines to handle millions in volume securely and reliably.
  • Collaborating with engineers, product, and compliance teams to deliver wallet solutions that bridge
    traditional finance and Web3
    .

What We're Looking For

  • Deep proficiency in TypeScript
    (NestJS/Express, NextJS/React) with a strong track record in building production systems.
  • Experience with
    cloud platforms
    (AWS, GCP, or Azure), container orchestration, and scaling secure services.
  • Familiarity with
    cryptographic signing protocols
    , custody models, and secure key management (HSMs, MPC).
  • Strong understanding of blockchain fundamentals and wallet architectures in the Ethereum ecosystem.
  • Experience integrating with payment or financial systems (settlements, ledgers, transaction monitoring) is highly desirable.
  • Proficiency in designing
    high-throughput, secure APIs
    , leveraging message brokers and caching strategies.
  • Passion for clean, maintainable code, test-driven development, and leveraging AI-assisted workflows.

Why Join Cubewire

  • Lead the
    wallet layer
    at the intersection of finance and Web3 — a critical foundation for enterprise blockchain adoption.
  • Work on products that handle sensitive financial operations for major institutions.
  • Gain exposure to compliance, custody, and advanced cryptographic systems.
  • Be part of a collaborative team of Web3 enthusiasts and TypeScript experts building secure, scalable wallet infrastructure.

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