Principal AI Engineer, AI

Company Description

Linked In is the world’s largest professional network, built to create economic opportunity for every member of the global workforce. Our products help people make powerful connections, discover exciting opportunities, build necessary skills, and gain valuable insights every day. We’re also committed to providing transformational opportunities for our own employees by investing in their growth. We aspire to create a culture that’s built on trust, care, inclusion, and fun – where everyone can succeed.

Join us to transform the way the world works.

Team Overview:

The Premium AI teams work on many highly visible products at Linked In, including solutions related to job search, profile customization, new user acquisition (product growth), and more.

Technologies span across Generative AI, LLMs, multi-task learning, deep learning, NLP, and more. Many of these solutions are enterprise level and this team partners closely with Notifications AI, Jobs, and other teams. We are also improving our Small Business Agent AI solution for Premium users, an all-in-one solution for small business leaders to grow their business through Linked In encompassing branding, marketing, and hiring.

You will have an opportunity to build customer facing AI-driven products with massive impact and scale, reaching millions of individuals and driving billions in annual revenue.

Location:

At Linked In, our approach to flexible work is centered on trust and optimized for culture, connection, clarity, and the evolving needs of our business. The work location of this role is hybrid, meaning it will be performed both from home and from a Linked In office on select days, as determined by the business needs of the team.

This role will be based in Sunnyvale, CA.

Responsibilities:

You will be setting the technical direction and foundation to build and own algorithms, models, systems and product experiences that power Linked In’s Premium AI product; both improving product features as well as helping to drive product growth.

This role will be the Principal AI Engineer for a team of 50+.

• Define and execute technical vision for applying AI and Data Systems to accelerate the team’s roadmap which includes activity data mining using LLMs, identity resolution using heterogeneous data sources, ads retrieval at scale and advertiser workflows to build higher performing ads.
• Mentor and work with other Sr. Staff SWEs in the team to establish quality norms, to build a culture of operational excellence and speed.
• Partner with Product, Data Science, and AI Research orgs to translate business goals into scalable AI‑and-Data powered capabilities to improve the advertiser experience & ROI.
• Establish best practices for experimentation, model evaluation, and responsible AI.
• Provide architectural guidance and mentorship to up‑level the engineering organization.
• Work closely with and influence product and/or technology partners regularly to help define roadmap.

Basic Qualifications:

• 5+ years as a Technical Leader (L7, Senior Staff, Principal, etc.)
• 7+ years of industry experience with Machine Learning, AI, Data Engineering, or related solutions.
• Bachelor of Science (or higher, e.g., MS, or PhD) in Computer Science or related technical field involving coding, or equivalent technical experience.

Preferred Qualifications:

• 10+ years of industry experience (AI, Machine Learning, Data Science, or related) including prior experience working in the Tech or Product domain.
• Master’s or PhD in Computer Science or a related discipline.
• Strong experience in designing and optimizing AI solutions for direct-to-consumer Tech.
• Experience in designing and optimizing recommender and/or search systems that create highly personalized experiences for Linked In’s members and scale to solve complex business problems.
• Experience with deep learning, LLMs, graphs/graph mining, ranking, auction theory, optimization.
• Previous design and implementation of solutions in highly distributed environments.

Skills:

• Technical & Thought Leadership
• AI Engineering
• Enterprise ML Solutions

You will Benefit from our Culture:

We strongly believe in the well-being…