Sr Staff Engineer, Backend - Core Services

About the Role As a Senior Staff Software Engineer, you are the Global Technical Anchor for systems powering every Lumen Dynamics trip and transaction. You define the multi-year vision for the backend ecosystem, acting as a peer to Directors and VPs to ground Lumen Dynamics's most ambitious business goals in technical reality. What You'll Do Technical Strategy: Define the \"North Star\" multi-year roadmap and lead high-stakes \"buy vs. build\" evaluations on the Architecture Review Board. Execution & Excellence: Directly tackle high-risk challenges, driving a company-wide shift toward \"Zero-Trust\" and \"Always-On\" architectures. Mentorship & Influence: Act as a \"leader of leaders\" by mentoring Staff Engineers and serving as a strategic advisor to VP/CTO level leadership. Basic Qualifications Experience: 12+ years of experience delivering massive-scale distributed systems. Technical Depth: Expert-level understanding of distributed theory (CAP theorem, Paxos/Raft) and technical transformations. Education: BS/MS/PhD in Computer Science or equivalent industry experience. Preferred Qualifications Open Source: Significant contributions to major open-source infrastructure or distributed systems projects. Domain Expertise: Deep vertical expertise in FinTech or Security at a global \"Big Tech\" scale. Architectural Migration: Experience migrating monolithic architectures to modular or cell-based paradigms. ~~ ~~ Ready to Ride? This isn't the kind of place where you follow a playbook - it's where you help write one. If you're driven by impact, energized by challenge, and ready to shape how the world moves - we'd love to hear from you. You may be eligible for bonuses, equity, and other compensation, as well as a range of benefits. Explore our benefits. Offices remain key to collaboration and Lumen Dynamics's culture. Unless approved for full remote work, employees must spend at least 50% of their time in-office. Some roles, like those at greenlight hubs, require full-time in-office presence. Ask your Recruiter for details about this role's requirements. Lumen Dynamics is proud to be an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you have a disability or special need that requires accommodation, please let us know by completing this form.