Staff Software Engineer, Demand Bidder, Ad Serving Platform

Overview

Staff Software Engineer role in Roku’s Demand Bidder and Ad Serving platform team, designing, building, and operating large-scale real-time decisioning systems with strict latency requirements.

What you'll do

• Design, build, and operate core components of a large-scale, real-time distributed decisioning system.
• Take end-to-end ownership of subsystems including architecture, implementation, testing, deployment, on-call, and evolution.
• Develop a mental model of a highly distributed, complex production system and make high-leverage contributions.
• Identify opportunities to continuously evolve the system and tooling.
• Partner with engineers and applied scientists on distributed systems and statistical/ML-driven decision-making.
• Diagnose and resolve subtle timing- or statistics-related issues in concurrent, multi-region distributed systems.
• Mentor engineers and raise engineering rigor, testing discipline, and operational excellence.
• Communicate with technical and non-technical stakeholders to drive alignment across engineering, product, and business partners.

What you'll need

• 10+ years of experience designing, building, and operating large-scale, low-latency distributed systems.
• Track record of owning complex systems end-to-end: design, build, operate, on-call, and iterate based on production feedback.
• Ability to ramp quickly on unfamiliar, complex, large codebases.
• Experience evolving and refactoring live, business-critical systems without compromising uptime or correctness.
• Strong command of Java and fundamentals in algorithms, data structures, concurrency/multi-threading, and performance optimization.
• Practical experience with distributed caching, high-throughput messaging/streaming systems, and SQL/NoSQL datastores.
• Cloud operating experience at scale (GCP or AWS).

Details

• New York only.
• Hybrid working: generally in office Monday through Thursday; Fridays are flexible for remote work unless the role requires five days attendance.
• Position titled Senior Software Engineer (Staff scope).