Top Tech Jobs & Startup Jobs

Conduct IT and information security audits across infrastructure, applications, governance, controls, and trading systems. Plan risk-based engagements, assess controls, document findings, draft reports, advise stakeholders, support broader audits, and improve audit methodologies. Collaborate with global teams and management across multiple offices, with international travel required. The role requires substantial IT audit experience, relevant certifications, strong governance and risk knowledge, and U.S. work authorization without sponsorship.

Develop and manage HPC and storage infrastructure across on-premises and cloud environments. Troubleshoot operating system, storage, networking, and infrastructure issues; support CPU, GPU, and specialized compute systems; contribute to infrastructure innovation; and collaborate with software engineers to deliver an integrated research platform for quantitative and options trading research.

Advises stakeholders on US tax implications of trading strategies, financial products, markets, transactions, entity structures, and cross-border initiatives. Develops tax positions with external advisors, assesses tax risks and opportunities, supports tax controversy matters, and contributes to governance and policy development. Collaborates with global tax, legal, finance, technology, trading, and leadership teams in a fast-paced financial services environment.

Own and maintain Coupa and Rossum platforms, provide L1/L2 finance systems support, triage tickets, manage incidents and SLAs, automate repetitive work with AI tooling, create runbooks and KB articles, coordinate changes across finance systems, support enhancements and mentor colleagues to keep platforms stable, scalable, and well-configured for global finance stakeholders.

Design, build, and operate production-grade AI systems (LLM applications, agent platforms, evaluation frameworks) using Python and modern AI frameworks. Translate ambiguous business problems into scalable, reliable AI solutions, define success metrics and evaluation pipelines, integrate with internal systems and third-party services, and continuously monitor and improve performance, reliability, cost, and safety in production.

The Marketing Manager will lead initiatives for US priority audiences, develop tailored marketing plans, and manage content and social media activations.

Provides proactive, high-touch support to three senior global leaders through complex calendar management, communications, meeting coordination, travel logistics, and confidential information handling. The role requires anticipating executive needs, resolving conflicts, triaging requests, translating decisions into action, and supporting leadership forums and international travel. It also serves as a visible culture carrier for the Austin office by strengthening relationships, community, and the employee experience.

Join Optiver as a Graduate Quantitative Researcher to analyze large-scale market and order-flow data, develop predictive and stochastic models, apply machine learning and deep learning techniques, and translate research into live trading solutions.

Design, operate, and own Optiver's global Microsoft 365 platform across collaboration, messaging, identity, and device access. Lead architecture, simplify hybrid complexity, implement observability and self-healing automation, run BAU operations, and deliver global rollouts and governance.

Conduct applied quantitative research on market and order-flow data: develop and validate predictive, statistical, and stochastic models using machine learning and deep learning, test hypotheses, and deploy ideas into live trading environments to identify trading opportunities and manage risk.