Software Engineer (AI)

TL;DR

Software Engineer (AI): Leading the architectural and technical evolution of a high-throughput real-time bidding platform with an accent on modernization, performance, and scalability. Focus on low-latency distributed systems, large-scale refactoring programs, and cross-functional collaboration.

Location: Barcelona, ES

Company

Microsoft’s mission is to empower every person and every organization on the planet to achieve more.

What you will do

• Own technical direction and execution for core components of Impbus, a high-scale, latency-sensitive real-time bidding service at the heart of Microsoft Ads.
• Lead design and implementation of scalable, high-performance backend systems operating under strict latency and reliability requirements.
• Drive platform modernization and long-term sustainability of critical services, improving code quality, maintainability, and operational safety.
• Ensure performance, scalability, and stability of the service as traffic, data volume, and business requirements continue to grow.
• Collaborate closely with cross-functional partners (engineering, data science, experimentation, product, and infrastructure) to align technical solutions with business goals.
• Provide technical leadership and mentorship, influencing architecture decisions and engineering best practices across teams.

Requirements

• Bachelor’s Degree in Computer Science or related technical field AND technical engineering experience with coding in languages including C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
• Experience working on high-throughput, production systems where scalability, latency, and stability are critical.
• Demonstrated ability to design, evolve, and maintain complex systems over time.
• Experience collaborating with cross-functional teams to deliver solutions aligned with business needs.
• Problem-solving skills and ability to analyze and address performance or reliability issues in production environments.

Culture & Benefits

• Employees who live within a 50- mile commute of a designated Microsoft office in the U.S. or 25-mile commute of a non-U.S., country-specific location are expected to work from the office at least four days per week.
• Microsoft is an equal opportunity employer.