As a Software Engineering Specialist on the Human Data team, you'll create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with technical staff. You'll support xAI's mission by teaching AI models about human interactions, reactions, and problem-solving approaches through labeling and annotating data in text, voice, and video formats.
The Developer is responsible for the overall performance of the product through applying principles of software engineering to the design development maintenance testing and evaluation of the software, ensuring timely delivery of high quality software within the release timelines and guidelines. They develop complex code based on functional specifications and perform complex peer code review and analysis.
As a Backend Engineer, you will collaborate with your team to deliver new features, lead projects from concept to implementation, and contribute to open source projects. You'll design, build, and maintain essential systems, influencing our roadmap and expanding your skill set.
As a Senior Software Engineer in Core Services, you will contribute to building foundational services that will shape our engineering platform. You will enable developer independence by building frameworks and shared services. You will implement reusable services and tooling that help teams test, deploy, and iterate quickly. You will collaborate with senior engineers to implement opportunities to leverage AI for internal workflows and mentor junior engineers.
As a Sr. Staff Software Engineer – L4 Engineering, you’ll be the final escalation point for the most complex and critical issues affecting enterprise and hyperscale environments. This hands-on role is ideal for a deep technical expert who thrives under pressure and has a passion for solving distributed system challenges at scale. You’ll collaborate with other engineers, Product Management, and Field teams to drive root cause resolutions, define architectural best practices, and continuously improve product resiliency.
Join our dynamic Data Science department as a (Senior) Machine Learning Engineer, actively exploring and implementing the latest advancements in machine learning. Translate business needs into ML solutions and engage in research and development to deliver fully-fledged services. Ensure ML services are modular, testable, and well-monitored from day one. Contribute to internal Python libraries and platform tooling.
We’re looking for a Backend Engineer to help us build and scale our core product. You'll work closely with our Founders and Engineering team to ship features and improve performance across backend systems -- from databases to data ingestion to AI systems. This is a high-ownership, high-impact role.
As a Backend Engineer, you’ll design and scale the systems that power The Flex — from reservation logic and payments to property automation and data intelligence. You’ll focus on building high-performance APIs, serverless architectures, and automation pipelines that make the platform faster, smarter, and more reliable every day.
As a Full-Stack Engineer, you’ll help architect and scale the systems that power The Flex — from seamless guest bookings to automated check-ins, cleaning logistics, and predictive pricing. You’ll work across the stack and across borders, turning complex real estate problems into clean, elegant code. You’ll engineer efficiency, eliminate friction, and help us build the future of intelligent rental operations.
We are looking for an AI Engineer who combines deep knowledge of Large Language Models (LLMs) with strong software engineering skills and a pragmatic approach to product development. This person will help us design, build and deploy AI-powered features across Shape App and Channels, working closely with the Product and SRE Teams to define optimal solutions and ensure they run reliably in production.