Top Tech Jobs & Startup Jobs

Work with researchers, engineers, and traders to analyze large-scale market and order-flow data, develop predictive machine learning and deep-learning models, and build statistical and stochastic models for pricing, forecasting, and risk management. Contribute to AI-driven research projects, test strategies, and apply modern research techniques and AI-enabled workflows to accelerate discovery and improve trading performance during a supervised, apprentice-style internship.

Work as a mentored software engineering intern building production trading applications. Contribute to performance, reliability, and scalability improvements, collaborate with engineers and traders, and ship real-world code.

Drive HR Operations modernization through process improvement, automation, AI adoption, and systems enhancements. Partner with HR, People Technology, and business stakeholders to analyze workflows, implement solutions, maintain documentation, ensure data integrity and regulatory compliance (EEOC, ACA/1095-C), support HR systems and integrations, and provide occasional peak-period operational support across a multi-site organization.

Senior HR Business Partner responsible for partnering with leaders across the employee lifecycle: organisational design, workforce planning, performance, talent, succession, compensation and employee relations. Use data, automation and AI to improve HR effectiveness, lead complex/sensitive cases, drive engagement and translate insights into measurable actions. Coach leaders, manage risks, contribute to global initiatives, and support cross-regional People projects.

Hands-on treasury operations role owning daily cash, collateral and margin workflows for OTC exotics and wider products. Manage account and counterparty relationships, reconcile margin and P&L breaks, optimize liquidity and cash reinvestment, support CSA/ISDA collateral terms, regulatory reporting and controls, and partner with Tech to automate settlement and margin processes while evaluating external platforms.

The Operations Analyst will manage the full trade lifecycle for ETFs and cash equities, streamline processes, resolve trade errors, and collaborate with traders and developers to enhance trading operations.

Lead delivery of global infrastructure programs, manage resources, align stakeholders, and improve processes to support Optiver's growth.

As a Quantitative Researcher, develop and refine automated options trading strategies, focusing on alpha generation and optimizing trading performance through research and novel techniques.

The Procurement Sourcing Analyst will manage procurement initiatives, conduct spend analysis, and optimize sourcing strategies to enhance value and efficiency in purchasing goods and services for the business.

Act as the HR partner for the Sydney Tech portfolio: manage end-to-end people processes, advise leaders, identify people risks, simplify HR processes, coordinate with People SMEs, and drive consistent, fair performance and change support across the employee lifecycle.