Senior Engineer - Crypto Accounting Systems

We are looking for a Senior Engineer – Crypto Accounting Systems to join the Payments & Wallet team (also known as PAW 🐾). The solutions we develop sit at the intersection of crypto and fiat worlds. Our mission is to support customers with deposits and withdrawals, ensuring transactions are compliant and reliable.

This role will focus on building robust accounting systems and workflows that simplify complexities of crypto trading, offset management and PnL reporting. Join us to lead the design and development of advanced accounting infrastructure tailored for the crypto space

What you'll be doing:

• Design and Build Accounting System:

  • Develop robust systems for real-time PnL calculation by counterparty, venue and net positions

  • Automating workflows for trade aggregation, cost basis tracking and offset reconciliation 

  • Implementing multi-ledger systems that separate proprietary and customer trades while maintaining unified view

• Integrate with Trading System:

  • Build APIs and connectors to integrate trade data from exchanges, wallets, and OTC platforms

  • Automate the tracking of realized and unrealized gains, accounting for multiple trading venues

• Develop Financial Reporting Trade:

  • Create dashboards and reports for accounting workflows, such as:

    • Counterparty-based PnL

    • Venue-specific PnL and cost basis

    • Consolidated offset management with real-time insights

  • Ensure compliance with accounting standards (e.g., IFRS, GAAP) and tax requirements

• Ensure Scalability and Security:

  • Design systems to handle high-frequency, multi-venue data.

  • Implement security protocols for financial and trading data integrity.

• Collaborate with Internal Teams:

  • Work with trading and operations teams to define accounting and reporting requirements

  • Collaborate with finance and compliance teams to ensure accurate and audit-ready systems

What we're looking for:

• 5+ years of building scalable distributed systems with a strong background in Ruby / Go 

• Robust Experience in Crypto Trading / FinTech / Financial Systems / Accounting / ERP systems in complex environments

• Experience / Knowledge in crypto trading workflows (e.g. hedging, offset management, market making) as well as PnL reporting, cost basis tracking and multi-venue trade reconciliation

• Familiarity with financial reporting standards (IFRS/GAAP)

• Strong knowledge of REST and Websocket APIs for data experience as well as experience with PostgreSQL and data warehousing tools

• Familiarity with AWS cloud platform for scalable deployment

• Experience with ETL pipelines, data viz tools and/or financial dashboards

• Proven ability to design systems that automate complex valuation and workflows

Bonus:

• Exposure in crypto accounting tools such as Cryptio, Koinly or Syla

• Exposure to ERP platform / Financial systems such as SAP, Oracle Financials, Netsuite

• Knowledge of FIX protocols or exchange API integrations

• Familiarity with blockchain transaction tracking and smart contract integrations

What’s in it for you:

• Friendly and fun start-up work culture

• Convenient work location located in the heart of CBD area

• Generous annual leaves on top of national holidays

• Medical coverage including GP, Specialist, TCM, and more

• Self-care benefits and exciting fitness workshops/webinars

• Vibrant office with a well-stocked pantry

• Animal-friendly environment, with a fluff ball in the office

Find out more about Coinhako here https://www.coinhako.com/ and don't forget to visit our Careers Page https://www.coinhako.com/join-us 

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