Principal Staff Software Engineer, AI Advertiser Growth

Principal Staff Software Engineer, AI Advertiser Growth

Full‑time • Hybrid • Sunnyvale, CA

LinkedIn’s AI and Machine Learning Engineers develop and implement machine learning models and algorithms, working from ideation to implementation. In this role you will set the technical direction for building, owning, and scaling algorithms, models, and systems that power the LinkedIn ad tech platform. You will lead high‑impact AI initiatives that use deep learning, recommendation systems, and large language models to accelerate advertiser growth, improve efficiency, and enhance personalization for B2B advertisers.

Responsibilities

• Define and execute the technical vision for applying AI to accelerate advertiser growth, improve efficiency, and enhance personalization across multiple product surfaces.
• Design and build large‑scale deep learning models and recommender systems that drive relevance and optimize advertiser outcomes.
• Develop, evaluate, and fine‑tune large language models to improve accuracy, alignment, and product performance for advertiser‑facing use cases.
• Partner with Product, Data Science, and AI Research teams to translate business goals into scalable AI‑powered capabilities that improve the advertiser customer’s journey.
• Architect and deploy user‑facing AI systems that adapt to advertiser needs, simplify workflows, and deliver personalization guidance.
• Establish best practices for experimentation, model evaluation, and responsible AI within the advertiser growth ecosystem.
• Mentor engineers and collaborate across organizations to scale reusable ML components, accelerate iteration, and strengthen LinkedIn’s AI infrastructure.

Basic Qualifications

• BS (or higher, e.g., MS, PhD) in Computer Science or a related technical field involving coding, or equivalent technical experience.
• 7+ years of industry experience in software design, development, and algorithm‑related solutions.
• 5+ years in an architect or technical leadership position.
• Background in machine learning and artificial intelligence.

Preferred Qualifications

• Advanced degree combined with 12+ years of relevant work experience (BS+12, MS+10, PhD+8).
• Experience designing and implementing technologies for highly distributed platforms.
• Familiarity with multiple platforms (Linux, Windows, etc.) and languages (C++, Python, etc.).
• Experience in the advertising and marketing industry.
• Experience in data science, machine learning, and artificial intelligence.
• Experience designing and building scalable agentic systems.

Equal Opportunity Employment Statement

LinkedIn seeks candidates with a wide range of perspectives and backgrounds and is proud to be an equal opportunity employer.LinkedIn considers qualified applicants without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sexual orientation, citizenship, or any other legally protected class.