> Markdown version of [/jobs/ext/4155131-principal-senior-staff-backend-engineer](https://www.wearedevelopers.com/jobs/ext/4155131-principal-senior-staff-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal / Senior Staff Backend Engineer - **Company:** ProphetX OpCo LLC - **Location:** New York, NY, United States (Remote available) - **Experience:** Expert - **Salary:** $200,000 - $250,000 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), C++ (Programming Language), Data Systems, Distributed Systems, Python (Programming Language), Systems Architecture, Cloud Platform System, Backend, Event Driven Architecture, Low Latency, Golang - **Published:** October 21, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=db6a4cbbc05ba375 ## About the Role * 10+ years of backend and distributed systems experience, including a track record of org- or company-wide technical impact * Expert-level command of Go, Java, C++, or Python, and of large-scale system design * Proven experience architecting and evolving mission-critical, low-latency, high-availability platforms (exchange, trading, payments, or comparable) * Mastery of event-driven architecture, real-time APIs, data systems, and cloud-native infrastructure * Deep experience with reliability, security, and compliance in regulated environments * History of mentoring and growing senior and staff engineers * Exceptional communication and influence skills, from engineers to executives * Proactive, growth-focused, and highly adaptable with a strong sense of ownership * Prediction markets, fintech, sports betting, or exchange experience is a plus ## Description * Define the long-term technical strategy and architecture for the exchange platform, aligned to business and regulatory goals. * Lead company-level technical initiatives with ambiguous scope and significant business risk or opportunity. * Drive critical decisions on scalability, resilience, and security for systems operating in a CFTC-regulated environment. * Evaluate and introduce new technologies, build-versus-buy choices, and engineering practices at an organizational level. * Advise executive and product leadership on technical feasibility, risk, and investment. * Mentor staff and senior engineers, and help shape hiring, leveling, and engineering culture. * Represent ProphetX's engineering depth with partners, regulators, and the broader technical community where appropriate. * Partner with product and leadership to influence roadmap and prioritization with technical insight. * Proactively seek development opportunities and share knowledge with peers and junior engineers., * Set the multi-year technical direction for a live, CFTC-regulated exchange platform, as a recognized technical authority across the company * Take on a high-impact IC role with direct influence on executive and product decisions, build-versus-buy choices, and engineering culture * Help define what resilient, secure, and compliant exchange architecture looks like as a brand-new asset class scales