Find your next AI Engineering role

SpaceXAI is seeking exceptional storage & database engineers to join a new project focused on deeply integrating advanced AI infrastructure into a platform used by millions of users monthly. The team is building a new storage tier to power training, inference, recommendations, and real-time data extraction. This involves developing and operating an exabyte-scale S3-compatible object store, a multi-tenant transactional key/value store serving hundreds of millions of requests per second, a caching tier serving billions of requests per second, a scalable vector database for recommendation systems, and other specialized databases.

$180k - $440k

The Data Platform team builds and operates the infrastructure responsible for all large-scale data transport and processing across the company. We own and manage core systems including Apache Kafka, HDFS, Spark, Flink, and Trino, enabling real-time ML pipelines, feed ranking, experimentation, analytics, and observability at petabyte scale. Our team deals with latency-critical workloads, high-throughput streaming, and distributed compute systems that require fault tolerance, performance, and absolute reliability. As a software engineer on the Data Platform team, you will design, build, and operate the distributed systems powering SpaceXAI's data movement and compute. You will take ownership of infrastructure components that process trillions of events daily, driving the scalability, performance, and reliability of the systems that power product and ML workloads across the company.

$180k - $440k

X Ads is a high-leverage product area at X, focused on rebuilding its platform with modern infrastructure and AI at its core. This is an opportunity to join a small, fast-moving team where engineers can take on significant ownership, learn from experienced colleagues, and ship impactful products. The role involves working across product, backend systems, infrastructure, and AI-powered features that directly influence a substantial portion of X's revenue. We are seeking high-slope software engineers eager to transform the X Ads Platform using SpaceXAI's infrastructure and AI stack, particularly those early in their careers who learn quickly, ship fast, and are excited to understand and improve large-scale advertising systems with AI.

$150k - $350k

SpaceXAI is seeking a Site Reliability Engineer focused on campus reliability to design and implement systems that ensure the availability and trustworthiness of our campus infrastructure. This role involves technically leading cross-discipline incident responses and building mechanisms to minimize future incidents. You will act as the central point of contact across compute, network, storage, power, and cooling systems, requiring strong incident leadership, fleet-scale observability expertise, and the ability to drive reliability improvements across both software and facility domains.

SpaceXAI is seeking a Senior Analyst for Child Safety Operations to help train and refine Grok, an AI system, to enforce terms of service and support functions. This role is crucial for enhancing the safety of our products, X, and Grok by minimizing existential risks, enforcing rules, and promoting responsible AI development to prevent illegal and harmful content. The ideal candidate will be hands-on, curious, and possess strong prioritization and communication skills, contributing directly to the company's mission in a flat organizational structure.

SpaceXAI is seeking a Safety Operations Senior Analyst focused on Child Safety to join their mission of creating AI systems that understand the universe and aid humanity. In this role, you will be instrumental in training and refining Grok to enforce terms of service and support functions, directly impacting the safety of products like X and Grok. Your work will focus on minimizing existential risks, enforcing SpaceXAI's rules, and promoting responsible AI development to prevent illegal and harmful content.

$62k - $75k

SpaceXAI is seeking a Security Engineer to lead day-to-day security threat management. This role involves identifying and managing potential incidents, collaborating with partner teams on security threats, and supporting threat intelligence, threat hunting, intrusion detection, and incident response efforts. The ideal candidate will help advance best practices in these areas and contribute to the company's mission of creating AI systems that understand the universe.

The Sandbox service team at SpaceXAI builds and maintains a secure, scalable system that gives our models safe, controlled access to computational environments. This infrastructure powers critical workloads across training and product, enabling models to run code, build software, interact with tools, and even control applications with user interfaces. We provision containers and virtual machines on large-scale clusters, granting models interactive control over these remote environments. Our work spans the full stack: from orchestrating massive jobs and resource scheduling at the cluster level, to fine-tuning filesystem performance on nodes. The Sandbox service enables Grok to safely run and test code in real-time for user queries, and supports reinforcement learning in training, where models interactively explore tools ranging from compilers to productivity apps.

£107k - £262k

SpaceXAI is seeking an engineer to join the RL infrastructure team to help develop our RL training framework. The team is small, highly motivated, and focused on engineering excellence, operating with a flat organizational structure where all employees are expected to be hands-on and contribute directly to the company's mission. This role requires strong initiative, curiosity, work ethic, prioritization, and communication skills.

$180k - $440k

SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. The RL infrastructure team is looking for an engineer to help with low precision RL training and inference. This role involves designing and optimizing the inference stack for all shapes of RL workloads, analyzing and addressing performance bottlenecks in large-scale RL systems, and working closely with the modeling team to efficiently implement novel RL techniques and algorithms.

$180k - $440k

SpaceXAI is seeking a Member of Technical Staff to join their multimodal team and advance the understanding and generation of AI across image, video, audio, and text. This role involves working across the full stack, from data curation and pre-training to alignment, infrastructure, and end-to-end product experiences. You will collaborate with various teams to deliver cutting-edge multimodal reasoning, world modeling, tool use, agentic behaviors, and human-AI collaboration capabilities. The goal is to build models that can perceive, reason about, and interact with the world in real-time at an unprecedented level.

$180k - $440k

The Imagine team is redefining AI-driven media experiences for Grok users worldwide. As a Product Safety Engineer on the Imagine team, you will build the critical safety systems and infrastructure that ensure Grok’s multimodal generation capabilities (images, video, audio, and beyond) are powerful, delightful, and responsibly deployed. You’ll design and scale safeguards, detection systems, and evaluation frameworks that prevent harm while preserving creativity and user freedom. Your work will directly shape how millions of users experience generative media — balancing rapid innovation with rigorous safety, trustworthiness, and alignment with SpaceXAI's mission. If you’re a driven engineer passionate about AI safety, content integrity, and building robust systems that protect users without stifling innovation, this is your opportunity to make a lasting impact at the frontier of multimodal AI.

$180k - $440k

SpaceXAI is seeking a multimodal engineer for the Imagine Model Team to develop cutting-edge AI experiences beyond text, focusing on high-fidelity understanding and generation across image and video modalities, with audio integration where it enhances visual content. Responsibilities cover data curation, modeling, training, inference serving, and product integration across pretraining and post-training phases. The role involves close collaboration with product teams to advance model frontiers and deliver exceptional end-to-end user experiences.

$180k - $440k

SpaceXAI is seeking an experienced Mechanical Commissioning Lead to oversee the buildout, startup, and handover of mechanical systems for their high-performance data centers. This senior, hands-on leadership role involves directing commissioning, testing, troubleshooting, and turnover of critical cooling, air handling, and fluid distribution systems essential for next-generation AI supercomputing infrastructure. You will lead a team of commissioning technicians and collaborate closely with construction, engineering, operations, contractors, and vendors to ensure the delivery of safe, reliable, and high-quality mechanical systems. This is a full-time, onsite position requiring extensive travel to data center construction sites across the United States.

SpaceXAI is seeking a Mechanical Commissioning Engineer to manage the buildout, startup, and handover of mechanical systems for their high-performance data centers. This is a hands-on role focused on commissioning, testing, and troubleshooting critical cooling, air handling, and fluid distribution systems that support next-generation AI supercomputing infrastructure. You will collaborate with construction, engineering, operations, contractors, and vendors to ensure the delivery of safe, reliable, and high-quality mechanical systems. This is a full-time, onsite position requiring travel to data center construction sites across the United States.

SpaceXAI is seeking a Lead, Inventory Specialist to oversee warehouse and inventory operations supporting our rapidly expanding data centers. This role involves leading the receiving, storage, kitting, issuance, and tracking of high-value equipment and materials. You will mentor team members, manage daily priorities, drive inventory accuracy, and ensure material availability for critical operations. The ideal candidate is hands-on, possesses a high sense of urgency, and is committed to continuous process improvement in a fast-paced, high-growth environment.

$25k - $50k

SpaceXAI is seeking a Human Data Manager to ensure engineering teams receive high-quality tasks and evaluations by crafting and executing high-value Human Data projects. This role sits at the intersection of model teams and data operations, partnering with engineering to design projects that capture meaningful signals and drive the measurement of data impact. It's a hands-on position for individuals with a deep understanding of training and evaluation who want to influence data strategy.

$100k - $186k

SpaceXAI is seeking a Human Data Engineer to ensure engineering teams receive high-quality data for tasks and evaluations. This role sits at the intersection of engineering and data operations, requiring partnership with model teams, designing projects to capture meaningful signals, and driving data yield and evaluation improvements. It's a hands-on technical position for engineers who understand training and evaluation deeply and wish to influence data strategy.

$144k - $270k

SpaceXAI is seeking a proactive Business Operations Analyst to join its Human Data team. This role is crucial for optimizing the efficiency of model training and evaluation by focusing on metrics, systems, and operational insights. You will analyze workforce performance, capacity, allocation, and process health to provide data-driven recommendations that enhance throughput, quality, cost, and reliability. The ideal candidate will partner with operations leaders and engineering stakeholders to identify challenges, build operating systems, and improve planning decisions.

$122k - $180k

The SpaceXAI Hospitality team serves employees, customers, government partners, potential clients, and visitors with snacks, daily meals, and full-service events. The Barista is a team-oriented role for individuals passionate about coffee, espresso, and tea preparation and service. This position supports SpaceXAI's mission by providing excellent customer service, quality beverage options, a welcoming atmosphere, and accurate order fulfillment to boost morale and productivity.

The Enterprise Agents Engineering Team at SpaceXAI focuses on solving complex problems in applied AI, specifically integrating with diverse systems, orchestrating intricate workflows, and leveraging AI to revolutionize business operations. This role involves building full-stack solutions with end-to-end product ownership, from initial concept to deployment. You will collaborate closely with the team to integrate advanced AI technologies into dependable, user-focused solutions, employing an iterative development process. Working hand-in-hand with customers, you will gather feedback, refine features, and evolve products to meet real-world demands.

SpaceXAI is building AI systems to understand the universe and aid humanity. The team is small, highly motivated, and focused on engineering excellence, operating with a flat structure where all employees are hands-on and contribute directly to the mission. This role requires strong communication skills and the ability to share knowledge concisely. The ideal candidate will have a good understanding of building highly scalable and reliable production infrastructure, with familiarity in compiled languages like Rust, C++, or Go being highly beneficial.

£107k - £262k

We are seeking a skilled and innovative Application Security Engineer to join our technology-driven company. In this role, you will be responsible for ensuring the security and integrity of our cloud-native applications and systems throughout the software development lifecycle, with a particular focus on code security, CI/CD pipelines, and emerging AI technologies. Our team is small, highly motivated, and focused on engineering excellence, operating with a flat organizational structure where all employees are expected to be hands-on and contribute directly to the company’s mission.

$100k - $258k

SpaceXAI is seeking an Analyst for its Law Enforcement Response Team (LERT) within the Safety Team. This role focuses on safeguarding user voice and balancing on- and off-platform safety risks through policy enforcement. The analyst will manage global information requests, ensuring efficient and accurate processing while protecting user privacy and freedom of expression. This is a detail-oriented, collaborative, and adaptable role for someone who thrives in a dynamic environment and is passionate about delivering high-quality work.

The Safety Team at SpaceXAI works to safeguard the user's voice while balancing on- and off-platform safety risks through policy enforcement that promotes trust in SpaceXAI. As a member of the Law Enforcement Response Team within SpaceXAI Safety, you will focus on managing global information requests, ensuring efficient and accurate processing while supporting the team's mission to protect user privacy and freedom of expression. This role requires a detail-oriented, collaborative, and adaptable individual who thrives in a dynamic environment and is passionate about delivering high-quality work.

SpaceXAI is seeking a skilled AI Humanities Specialist to enhance its AI models, specifically Grok, by providing high-quality data annotations and inputs tailored to humanities contexts. This role involves leveraging expertise in fields like linguistics, history, classical studies, literature, poetry, philosophy, ethics, visual arts, and performing arts to train Grok. The specialist will evaluate model outputs and create training data to ensure Grok reasons accurately, weighs evidence carefully, and communicates uncertainty honestly, with a focus on scholarly judgment.

Applied Intuition is seeking a Senior Software Engineer to join their Cloud Infrastructure team. This role is responsible for building and maintaining the platform that powers the company's AI workloads and enterprise AI platform, Dana. The team operates in a cloud-native and cloud-agnostic environment, utilizing Kubernetes and managing infrastructure as code across the full stack, including compute, networking, storage, and observability. The position involves designing and operating multi-cluster Kubernetes infrastructure, building multi-tenant platform primitives, and orchestrating secure execution environments for agentic workloads. This is a hands-on infrastructure role with significant platform-building and solutions-architecture responsibilities, requiring close collaboration with internal engineering teams and ownership of architectural decisions and incident response.

$60k - $300k

Anthropic

Anthropic is seeking talented individuals for its Fellows Program, focusing on AI research and engineering to ensure AI systems are reliable, interpretable, and steerable. This program provides funding and mentorship to promising technical talent, regardless of prior experience, to work on empirical projects aligned with Anthropic's research priorities. The goal is to produce public outputs, such as paper submissions, contributing to the development of safe and beneficial AI for society. Fellows will engage in full-time research for four months, with direct mentorship from Anthropic researchers and access to a shared workspace in either Berkeley, California, or London, UK. The program also offers connections to the broader AI safety and security research community.

$25k - $50k

Decagon is seeking a Director of Solutions Engineering to build and lead our growing pre-sales solutions engineering function. This role combines technical depth, enterprise consultative engagement, and team leadership, enabling Decagon to drive adoption of our AI-native platform across some of the world’s most complex enterprises. As a manager of the Solutions Engineering team, you will be responsible for hiring, mentoring, and developing a high-performing team of Solutions Engineers. You’ll establish scalable processes and best practices for pre-sales engagements, ensure technical excellence in customer conversations, and represent Decagon as a senior technical leader on key opportunities. This role is highly cross-functional: you will partner closely with Sales, Product, and Engineering to design strategies that align technical capabilities with customer outcomes. You will also bring strong executive presence to customer engagements, guiding both technical and business stakeholders through how Decagon integrates into their technology environments and drives measurable business value.

$320k - $400k

Mercor is seeking a Tech Lead Manager for their Frontier Data Products team, focusing on multimodal data. This role is a player-coach position, balancing technical contributions with people leadership. You will be responsible for designing and building systems that handle the full lifecycle of multimodal data (image, video, audio, documents, mixed-media), ensuring data quality, traceability, reliability, performance, and cost-effectiveness. The goal is to turn complex multimodal inputs into reliable, customer-ready data products at scale, enabling the team to support new modalities and products efficiently. This is a product-engineering leadership role where success is measured by the quality and usefulness of the delivered products.

We are seeking a Business Manager to establish and maintain the operational backbone of LiteLLM. This hands-on role requires meticulous attention to detail in finance and bookkeeping, ensuring accurate financial records, managing accounts payable, reimbursements, payroll coordination, and invoicing. You will also take ownership of people operations, including HR administration, onboarding, offboarding, benefits, and employee records, utilizing platforms like Rippling or Gusto. Additionally, you will oversee legal and business operations, coordinating contracts, insurance, and compliance, and manage office and executive operations, supporting founders with administrative projects and coordinating vendors and events. The ideal candidate possesses strong judgment, a sense of urgency, and the ability to learn quickly, working effectively with external experts while maintaining internal accountability.

OpenAI

We are seeking a driven solutions leader with a product mindset to partner with public sector customers and ensure they achieve tangible value with GenAI. You will collaborate with government agencies, policymakers, and public institutions to establish a GenAI strategy and identify high-value applications. You'll then work with their technical teams, subject matter experts, systems integrators, and implementation partners to move from prototype through production, designing architectures using the OpenAI API and other services to maximize customer value. This role involves close collaboration with Sales, Solutions Engineering, Global Affairs, Applied Research, and Product teams.

Clay is seeking a Partner Technical Engineer to join its Data & Integration Partnerships team. This role is crucial for managing the technical quality of data providers and ensuring new partners are technically ready before integration into Clay's data marketplace. You will define testing methodologies, build scoring models to rank providers, and act as a technical gatekeeper for new partners, assessing their integration readiness before commercial discussions. You will collaborate with internal teams like Product and Engineering, as well as external partner technical teams, to drive the success of Clay's data ecosystem.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. As an Agent Strategist, you will own the entire lifecycle of Sierra's AI agents, from initial concept to production deployment handling thousands of daily conversations. This role sits at the intersection of product development, agent building, and customer engagement, requiring you to be as close to the technology as you are to the people you serve. You will transform complex customer challenges into measurable business improvements through AI agents.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. As an Agent Strategist, you will be responsible for bringing Sierra's AI agents to life for clients, guiding them from initial pilot phases to handling thousands of daily conversations in production. This role sits at the intersection of product development, agent building, and customer engagement, requiring a deep understanding of both the technology and the end-users. You will transform complex business challenges into effective AI agents that deliver measurable business impact.

Cloudflare is on a mission to help build a better Internet. As enterprise solutions become more complex, Cloudflare is evolving how they partner with customers. The Customer Engineer (CE) drives the technical go-to-market strategy. You act as a trusted advisor who owns the technical relationship from first discovery to long-term adoption and account growth.

Cloudflare is on a mission to help build a better Internet. As enterprise solutions become more complex, Cloudflare is evolving how they partner with customers. The Customer Engineer (CE) drives the technical go-to-market strategy. You act as a trusted advisor who owns the technical relationship from first discovery to long-term adoption and account growth.

Anthropic

Anthropic's Infrastructure organization is responsible for building and operating the compute that trains and serves their frontier AI models. This involves a complex physical supply chain of servers, accelerators, networking equipment, and more. The Warehousing and Logistics team owns this flow, and this role will manage its day-to-day operations in North America. You will be responsible for the operational management of inbound receiving, storage, inventory control, kitting, and outbound shipments to data center sites and partners, working with both direct and third-party logistics providers. This is a hands-on role where you will balance running daily operations with building scalable processes, controls, and metrics. You should be comfortable making decisions with incomplete information, communicating effectively with diverse teams, and maintaining a high standard for accuracy and chain of custody for high-value, security-sensitive equipment.

Anthropic

Anthropic's Infrastructure organization is responsible for building and operating the compute infrastructure that powers their frontier AI models. This involves managing a complex physical supply chain of servers, accelerators, networking equipment, and other hardware. The Warehousing and Logistics team plays a critical role in this process, ensuring that all necessary components are received, inspected, secured, tracked, and delivered to the right locations at the right time. This role will focus on managing the day-to-day operations of this supply chain outside of North America as the company expands globally.

OpenAI

OpenAI is seeking a technically deep Technical Program Manager to lead programs across data platforms, online databases, and storage infrastructure. This role involves connecting model and product requirements to architecture, and working with engineering teams to bring new capabilities into production. The challenge lies in creating exabyte-scale, workload-ready capacity that is repeatable and scalable, ensuring that data pipelines, database queries, and file operations contribute to product and agent success. This position is based in San Francisco, CA, with a hybrid work model.