Principal Software Engineer, Real-Time Bidding (Advertising Platforms)

Quick Facts

• Role: Principal Software Engineer for a mission-critical real-time bidding (RTB) platform

Description

Own the technical direction and execution for core components of a high-scale, latency-sensitive real-time bidding service. Lead backend system design and implementation, drive platform modernization, and ensure performance, scalability, and stability as traffic and data volume grow. Define instrumentation, observability, and experimentation capabilities and provide technical leadership across teams.

Responsibilities

• Own technical direction and execution for core RTB platform components
• Lead design and implementation of scalable, high-performance backend systems under strict latency and reliability requirements
• Drive platform modernization for long-term sustainability (code quality, maintainability, operational safety)
• Ensure performance, scalability, and stability as business requirements expand
• Define and evolve instrumentation, observability, and experimentation capabilities to support data-driven decisions and safe production changes
• Collaborate with engineering, data science, experimentation, product, and infrastructure partners
• Provide technical leadership and mentorship to influence architecture decisions and engineering best practices

Requirements

• Bachelor’s degree in Computer Science (or related technical field) AND 6+ years of engineering experience coding in C, C++, C#, Java, JavaScript, or Python (or equivalent experience)
• Ability to meet Microsoft, customer, and/or government security screening requirements
• Experience with high-throughput production systems where scalability, latency, and stability are critical
• Demonstrated ability to design, evolve, and maintain complex systems over time
• Problem-solving skills for analyzing and addressing performance or reliability issues in production

Benefits

• Competitive base pay range (U.S. and certain metro areas)
• Eligible for benefits and other compensation depending on role