xAI

Software Engineer, Ads Product

Palo Alto, CA · Internship

Sponsorship not specified$150k-$350kDetected 1 day ago

PythonJavaGoRustScalaReactDistributed SystemsgRPCMachine LearningData EngineeringLLMsA/B TestingResearchLeadershipCommunicationProblem Solving

About the role

X Ads is one of the highest-leverage product areas at X.
You'll work on systems that operate at massive scale, directly affect the business, and are being rebuilt with modern infrastructure and AI at the center.
This is an opportunity to join a small, fast-moving team where early-career engineers can take on real ownership, learn from strong engineers, and ship products that matter.

Build and ship product features across the X Ads Platform.
Collaborate closely with engineers, product leads, and cross-functional partners to turn ideas into working products.
Debug, maintain, and improve production systems that serve real users and drive significant business impact.

Experience with ads, recommendations, search, ranking, marketplaces, payments, analytics, or growth systems.
Experience working with large-scale backend systems or data processing pipelines.
Experience with React, Golang, Python, Rust, gRPC, Java, or Scala.
Experience with machine learning, LLMs, experimentation, ranking, or optimization systems.
Prior startup, research, internship, or high-impact project experience.
Java / Scala
This organization is for individuals who appreciate challenging themselves and thrive on curiosity.
All employees are expected to be hands-on and to contribute directly to the company's mission.
Work ethic and strong prioritization skills are important.
All employees are expected to have strong communication skills.
They should be able to concisely and accurately share knowledge with their teammates.
React

This listing is sourced directly from xAI's careers page and normalized into a canonical job model.