Latest Backend Engineering jobs at xAI

Build scalable backend services and payment infrastructure for a global financial products platform. The role requires distributed-systems expertise, proficiency in modern programming languages, and experience with large-scale consumer applications.

Build and optimize high-scale backend microservices for a global payments platform, supporting secure transactions, fraud detection, and compliance. The role requires at least five years of software engineering experience and proficiency with Go, Postgres, Kafka, and distributed systems.

Build and maintain secure sandbox infrastructure that lets AI models execute code and interact with tools in controlled virtualized environments. The role requires expert Rust, C++, or Go skills, systems expertise, and experience with containers, virtualization, and networking.

Build and operate the high-throughput API and model-serving infrastructure powering SpaceXAI’s production inference systems. The role requires expert Rust or C++ knowledge, distributed-systems experience, and strong reliability and observability practices.

Build scalable distributed systems and full-stack enterprise solutions that integrate complex systems and apply AI to business operations. The role requires expert Rust or C++, database operations, observability, and reliability experience, with Python, TypeScript, Kubernetes, and LLM expertise preferred.

Build and operate large-scale search infrastructure covering real-time indexing, query serving, data pipelines, reliability, and performance. The role requires 5+ years of infrastructure or distributed-systems experience and proficiency in Rust, C++, or JVM-based languages, plus hands-on search technology experience.

Develop core networking software including routing, traffic engineering, and real-time switch software for xAI's Colossus GPU cluster. Requires strong C/C++ experience and knowledge of high-performance networking and distributed systems.

Software Engineer on X Money team building scalable backend microservices and full-stack features for a global payment network serving 600M+ users. Requires 2+ years in large-scale consumer apps, proficiency in Rust/Go/Python/Java, and distributed systems expertise.

Builds and ships voice features for Grok across platforms, owning backend engineering for low-latency voice infrastructure and model integrations. Requires proficiency in Python/Rust, backend focus, and hands-on mobile experience.

Build and scale high-performance systems for AI-driven media experiences in Grok, handling multi-modal data processing, real-time interactions, and large-scale pipelines. Requires proficiency in Python or Rust, experience with consumer-facing systems, and passion for AI media technologies.

Build and optimize large-scale video services, media processing pipelines using Rust, C++, Go. Require 5+ years experience, expertise in WebRTC/LL-HLS/video transcoding, and distributed systems for high-performance media at massive scale.

Build and maintain scalable observability platform handling massive telemetry for metrics, logs, tracing, and alerting. Requires production proficiency in Go/Rust/Scala, distributed systems expertise, and experience with tools like Prometheus, Kubernetes, Kafka.

Build and operate exabyte-scale storage systems including object stores, key/value stores, caching tiers, and vector databases for AI infrastructure serving massive request volumes. Requires 7+ years software experience with 2+ in storage/databases, expertise in high-performance languages like C++/Rust and distributed systems.