Staff Software Engineer

OpenX is focused on unleashing the full economic potential of digital media companies through innovative digital advertising technologies. The Staff Software Engineer will architect and build reliable, secure services for real-time integrations, lead technical initiatives, and mentor engineers to ensure exceptional performance and reliability of the platform.

Responsibilities:

• Architect and build low-latency systems operating at 1M+ QPS
• Design and deliver systems that let partners connect and run real-time workloads securely and efficiently
• Collaborate with partner engineering and product teams to plan, build, and launch integrations aligned with business and technical needs
• Own critical platform features from end-to-end, from design through rollout and adoption
• Proactively identify and resolve performance bottlenecks and scalability risks
• Set technical direction and guide implementation across the team
• Promote engineering quality through reviews, mentoring, and driving best practices in code, architecture, and platform design

Requirements:

• 10+ years of software development experience with deep expertise in Go or other high-performance languages (Java, C++, Rust)
• Strong foundation in distributed systems, Kubernetes, and containerized service architectures
• Skilled at debugging and stabilizing production systems under high load
• Deep understanding of concurrency, networked systems, and service orchestration
• Hands-on experience designing and operating production workloads on a major cloud platform (GCP preferred)
• Demonstrated success delivering large-scale, high-performance, and reliable systems
• Experience integrating services with gRPC, Thrift, REST, and MCP
• Strong problem-solving skills, with the ability to anticipate and address scalability, reliability, and privacy challenges
• Excellent collaboration and communication skills across engineering, product, and partner teams
• Proven experience mentoring senior engineers and raising technical standards
• Experience in digital advertising, RTB, or other high-volume transactional systems
• Familiarity with OpenRTB and/or Prebid
• Strong understanding of CI/CD workflows, infrastructure as code (IaC) patterns, and observability practices, with working familiarity of tools like Terraform, Helm, and Grafana
• Expertise in designing and scaling RESTful APIs, including data modeling, error handling, performance tuning, and security best practices
• Experience using AI-assisted development tools to enhance productivity