Optiver is a global market maker founded in Amsterdam, with offices in London, Chicago, Austin, New York, Sydney, Shanghai, Hong Kong, Singapore, Taipei and Mumbai. Established in 1986, today we are a leading liquidity provider, with close to 2,000 employees in offices around the world, united in our commitment to improve the market through competitive pricing, execution and risk management. By providing liquidity on multiple exchanges across the world in various financial instruments we participate in the safeguarding of healthy and efficient markets. We provide liquidity to financial markets using our own capital, at our own risk, trading a wide range of products: listed derivatives, cash equities, ETFs, bonds and foreign currencies.   Optiver’s Sydney office is one of the primary players within Asian markets, trading a range of products. Established in 1996, we're an active participant on the Hong Kong, Korea, Singapore, Taiwan and Japan exchanges, and act as Optiver’s APAC head office.      WHAT YOU'LL DO  As Optiver’s business and global span continues to grow rapidly, an exciting opportunity exists for an Accounts Payable Officer to join the Accounts Payable Team. This is a key role supporting the Finance Manager as the function undergoes global transformation initiatives to automate and streamline the end-to-end Source-to-Pay process.  You will be exposed to talented people including finance professionals, IT engineers and developers and traders. This role offers opportunity for career growth, contributing to continuous improvement initiatives and the ability to support ongoing business growth. Your responsibilities include:  • Day to day processing of all invoices across multiple Optiver entities in the APAC region  • Management of internal/external correspondence emails and enquiries  • Performance of routine supplier statement reconciliations  • Management of corporate credit cards and expense claims  • Payments processing (vendors, intercompany and brokerage settlements)  • Performing new vendor set up procedures and maintenance of vendor master data  • Managing internal staff and external creditors relations, fostering strong relationships with stakeholders throughout the business  • Various GL activities such as journal entries, marking payments, system maintenance associated with Accounts Payable areas  • Adhering to the Risk & Control framework and ensuring relevant policies are adhered to, contributing to revision of policies to achieve both strong controls and organisational efficiencies  • Support control assurance and internal/external audit reviews   • Assisting with Continuous Process Improvement initiatives      WHO YOU ARE This role is most suited to a motivated learner with a keen interest to explore a career in Finance. You will possess a desire to thrive in a fast-paced commercial environment and you will be given opportunities to take ownership and contribute from your first day. You will also be able to demonstrate your ability to learn quickly, creating efficiencies and driving process improvements.   • 1+ years’ experience in a medium to large sized organisation  • Degree in finance or accounting preferable  • Strong communication and stakeholder management skills  • High attention to detail  • Strong control mindset and high level of integrity  • Disciplined planning and time management  • Strong change agent with keen interest and aptitude in process and system improvements  • Previous experience of using technology to create the most effective and efficient processes  • Previous experience in Oracle NetSuite will be highly valued  • Intermediate MS Excel skills  • An early adopter of AI in your day-to-day work. Hands-on experience with Cursor, Claude Code or similar is a significant plus, especially with concrete examples of how you've used them to lift day to day recruitment efficiency.    WHAT YOU'LL GET   You’ll join a culture of collaboration and excellence, where you’ll be surrounded by curious thinkers and creative problem solvers. Driven by a passion for continuous improvement, you’ll thrive in a supportive, high-performing environment alongside talented colleagues, working collectively to tackle the most complex problems in the financial markets. In return for your expertise, you’ll receive a range of benefits, including:   A competitive renumeration salary package  • Daily breakfast, lunch, and an in-house barista.  • Gym membership, plus weekly chair massages.  • Continuous learning, development and upskilling opportunities.  • Regular social events, including a company trip every two years.    Optiver is committed to diversity and inclusion. We encourage applications from candidates of all backgrounds, and welcome requests for reasonable adjustments during the process. Questions? Get in touch with the recruitment team at careers@optiver.com.au.