Build the Future of
Trading Infrastructure
Join the ORRNN Team
We are building trading technology for professional workflows. Explore career interests across engineering, product, operations, and trading infrastructure.
Life at ORRNN
A culture built on transparency, technical focus, and practical execution. We build tools for professional trading and brokerage workflows.
Innovation-driven
We challenge assumptions and adopt technology when it improves real workflows.
High-performance
A mindset geared toward efficient systems, careful design, and practical throughput.
Global collaboration
Working across borders in a remote-friendly, asynchronous workflow.
Continuous learning
Deep-dive sessions, research groups, and limitless intellectual growth.
Our Departments
Engineering
Core systems, distributed networks, and low-latency C++/Rust development.
Quantitative Research
Alpha generation, advanced statistics, and mathematical modeling.
Trading Operations
Execution monitoring, liquidity management, and fast-paced market interactions.
Product & Design
Crafting premium, user-centric interfaces for sophisticated traders.
Support & Operations
Client success, robust onboarding, and global infrastructure scaling.
Legal & Compliance
Navigating international financial regulations and ensuring platform integrity.
For Developers
Build trading systems, infrastructure, and product workflows for professional users.
Engineering Roles eastWhy Work With Us
Focused Compensation
Compensation is role-specific and discussed directly during the hiring process.
Modern Technology
Work with systems, product, and infrastructure tooling built for performance-aware environments.
Practical Impact
Build software that supports trading, analytics, and operational workflows.
Flexible Work Environment
Remote-first options, flexible hours, and async workflows designed for deep focus.
Growth Opportunities
Clear career progression paths from technical contributor to principal architectural roles.
Premium Hardware
Fully expensed home office setup and the latest computational hardware for all engineers.
Representative Opportunities
Senior C++ Low-Latency Engineer
Lead design work for trading infrastructure, platform services, and performance-aware systems.
Quantitative Researcher (Alpha)
Lead design work for trading infrastructure, platform services, and performance-aware systems.
Opportunity Areas
Rust Systems Engineer
High Performance TeamFrontend Developer (React/Next.js)
Remote FriendlyData Scientist (Market Making)
Cutting-Edge TechnologyInstitutional Sales Trader
DevOps & SRE Engineer
Our Hiring Process
Efficient, transparent, and respectful of your time.
Application
Submit your resume and optional portfolio via our secure portal.
Screening
A quick 30-min call with our talent team to align on expectations.
Technical Review
Role-specific assessment (take-home or live coding) with engineers.
Final Selection
Meet the founders and team leads before receiving an offer.
Global Workforce
Connect with engineers, traders, and operators interested in trading technology. Remote-friendly collaboration is part of the workflow.
Apply Now
Submit your details to join our talent network or share interest in a specific area.
Start Your Journey with ORRNN
Join a team building trading software. Challenge yourself in an environment focused on clear execution and useful systems.