Top Tech Jobs & Startup Jobs

The Administrative Assistant manages scheduling for the founders, coordinating all business and personal commitments while optimizing their time. Responsibilities include responding to inquiries, maintaining calendars, and utilizing AI tools for efficiency.

The Receptionist welcomes visitors, manages sign-in processes, handles calls, maintains reception area order, and coordinates with HR and IT for employee access.

As a Mobile Developer, you'll design and build scalable mobile apps using React Native for iOS and Android, collaborating closely with teams and maintaining app quality.

The AP & Expense Specialist is responsible for managing accounts payable, tracking expenses, processing reimbursements, and improving workflows using technology.

Join the evening core engineering team to develop and maintain finance and trading systems (PnL, positions, reconciliations). Collaborate cross-functionally, support production environments, monitor performance, troubleshoot incidents, and hand off to Budapest for follow-the-sun operations while contributing across the full product lifecycle.

The Chief of Staff will support the Co-Founder, manage communications, prepare meetings, oversee projects, and ensure alignment between business and personal priorities.

As an Execution Quantitative Researcher at PEAK6, you will analyze algorithm performance and collaborate with engineers to optimize electronic execution algorithms for trading.

Identify, analyze, and resolve security vulnerabilities while enhancing security infrastructure, threat detection, and compliance processes across PEAK6's systems.

Join a core engineering team to design, build, and support proprietary trading systems on an evening shift. Responsibilities include full-stack development, system stewardship, collaborating with global teams (Budapest), testing (manual and automated), performance optimization, and rapid production troubleshooting to ensure 24-hour trading continuity.

Provide overnight operational and technical support for trading systems: monitor systems and risk limits, troubleshoot disruptions, coordinate with traders, engineers, and vendors, perform root cause analysis, adjust limits per policy, and maintain detailed operational documentation.