AI Startup Jobs

Perplexity AI

Perplexity is seeking a Member of Technical Staff to join their GPU Cluster Infrastructure team. This role will own the underlying GPU infrastructure that powers Perplexity's AI inference requests, which serve hundreds of millions of queries monthly. The goal is to abstract away the complexity of GPU provisioning, cluster configuration, and multi-cloud management into a unified, self-serve platform for both training and inference workloads. You will be responsible for the entire lifecycle of the GPU fleet, ensuring reliability, efficient capacity utilization, and seamless operation across different cloud providers.

$250k - $485k

Raindrop

Raindrop is seeking a founding Research Engineer to investigate the behavior of AI agents in production environments. This role is crucial for an early-stage team, involving setting the research direction, conducting experiments, and disseminating findings through publications. The focus will be on understanding agent failures, advancing simulation techniques, developing novel detection methods for undefined issues, and exploring high-impact open questions in AI agent behavior. The ideal candidate will possess strong communication skills, a passion for sharing research, deep expertise in areas like interpretability or AI safety, and the ability to prototype and ship experiments.

Salary not listed

CrewAI

CrewAI is seeking a Senior Full-Stack Engineer to build and enhance their Agent Management Platform. This platform is the control plane for deploying, monitoring, governing, and scaling AI agents in production, enabling customers to manage complex AI infrastructure, diagnose failures, and oversee automations. The role emphasizes frontend development, creating rich and intuitive user interfaces, while also owning the necessary backend changes to deliver complete features. You will collaborate closely with design and product teams, taking ownership from problem definition to launch, and contributing to the team's technical growth through code reviews and mentoring.

Salary not listed

Moveworks is seeking a Senior Staff Security Engineer to focus on AI Safeguards. In this role, you will be responsible for maintaining an up-to-date map of ML usage and safeguards across our products, and leading the security design for new ML features. You will actively test the boundaries of our safeguards against various attacks like jailbreaks, prompt injection, and toxicity, translating these findings into evaluation cases that are applied to every model, prompt, and safeguard change. Additionally, you will collaborate with ML engineers to design and build robust mitigations that remain effective even when detection fails, and define and report on key security metrics to demonstrate the efficacy of our safeguards. You will also stay abreast of the latest AI attack research, incorporating new techniques into our testing and mitigation strategies.

Salary not listed

Figure is an AI robotics company developing autonomous general-purpose humanoid robots with the goal of shipping robots with human-level intelligence for home and commercial markets. The Helix team is responsible for developing the core AI systems that power humanoid autonomy. We are seeking a Helix AI Engineer, Video Pretraining to lead the development of large-scale video foundation models trained on diverse real-world and robot-collected data. This role focuses on pretraining models that learn from raw video, capturing motion, interaction, and temporal structure to enable downstream capabilities in perception, prediction, and embodied reasoning.

$200k - $400k

As a multimodal engineer on the Imagine Model Team, you will develop cutting-edge AI experiences beyond text, with a strong focus on enabling high-fidelity understanding and generation across image and video modalities, while also incorporating audio where it enhances visual content. Responsibilities span data curation, modeling, training, inference serving, and product integration, covering both pretraining and post-training phases. You will collaborate closely with product teams to push model frontiers and deliver exceptional end-to-end user experiences.

$180k - $440k

Figure is an AI robotics company developing autonomous general-purpose humanoid robots with the goal of shipping human-level intelligence. The Helix team is seeking an experienced AI Training Performance Engineer to elevate model training. This role focuses on enhancing distributed training frameworks for large-scale model training, optimizing GPU kernels, evaluating different accelerator types, and co-designing models for maximum hardware utilization.

$200k - $400k

You'll join the Grok Voice Model team as a software engineer. You'll design, build, and run the software systems behind Grok Voice, which delivers natural, low-latency, multilingual spoken interactions across devices and in real time. The team owns the full engineering stack behind the model, from large-scale data processing to distributed training to production deployment.

$150k - $450k

Figure is an AI robotics company developing autonomous general-purpose humanoid robots with the goal of shipping robots with human-level intelligence. These robots are engineered to perform a variety of tasks in both home and commercial markets. This role will focus on developing the perception systems for these robots, encompassing onboard computer vision, localization, visuomotor policies, and offline data annotation.

$200k - $400k

SpaceXSI is seeking an experienced Governance, Risk, and Compliance (GRC) Engineer to scale our security and AI governance compliance posture. This role involves setting organizational standards, designing and implementing controls, and automating compliance processes to enable a fast-moving team to ship safely. The ideal candidate will possess deep knowledge of modern security and AI frameworks, translating control requirements into technical implementations, and partnering with engineers to integrate compliance into architecture and CI/CD pipelines. You will collaborate across engineering, legal, product, and leadership to ensure our AI systems are audit-ready for enterprise, commercial, and public-sector environments.

$100k - $198k

Figure is an AI robotics company developing autonomous general-purpose humanoid robots with the goal of shipping them with human-level intelligence for home and commercial markets. Our AI team is seeking Localization and Mapping Engineers to enable Figure humanoid robots to perform highly dynamic operations in demanding real-world environments.

$200k - $400k

Figure is an AI robotics company developing autonomous general-purpose humanoid robots with the goal of shipping them with human-level intelligence for home and commercial markets. The Helix team is looking for an experienced Data Infrastructure Engineer to advance the AI data infrastructure. This role involves building tools and software components for robot data management, including offloading, storage, manipulation, and access, while managing on-premise and cloud resources and providing production support. The ideal candidate will have experience building tools and infrastructure for large-scale autonomous or deep learning systems.

$150k - $400k

Figure is an AI robotics company developing autonomous general-purpose humanoid robots with the goal of shipping human-level intelligent robots for home and commercial markets. We are seeking an Android lead to take full ownership of Figure's consumer Android application, which will pair with proprietary hardware and handle high volumes of data. As the founding Android engineer, you will define the technical direction, launch the app, and build the team.

$200k - $400k

Figure is an AI robotics company developing autonomous general-purpose humanoid robots with the goal of shipping robots with human-level intelligence for home and commercial markets. We are seeking a backend engineer to build the services and infrastructure for Figure's consumer mobile application, encompassing areas like authentication, payments, and tooling. You will be responsible for end-to-end ownership of systems, from identity and billing to delivery pipelines, internal dashboards, and the cloud platform.

$200k - $400k

Figure is an AI robotics company developing autonomous general-purpose humanoid robots with the goal of shipping robots with human-level intelligence. These robots are engineered to perform a variety of tasks in both home and commercial markets. We are seeking a Reinforcement Learning Engineer to focus on the development, training, deployment, and evaluation of advanced reinforcement learning algorithms specifically for the whole-body control of our humanoid robots.

$150k - $350k

Trajectory Labs is seeking researchers to design evaluations for conceptual reasoning in AI safety, focusing on complex, open-ended problems in AI governance, alignment, macrostrategy, and economics. These evaluations will be paired with rubrics to distinguish genuine reasoning from superficial responses. The role involves working 20-40+ hours per week, either remotely or on-site in Berkeley. As an early-stage startup, responsibilities and priorities may evolve rapidly. The company's mission is to automate AI safety work through AI models, building safety and alignment evaluations, red-teaming programs, and RL environments for leading AI labs.

$0k - $0k

SpaceXSI is building Super Intelligence to help humanity understand the universe. We are seeking exceptional Applied engineers to join a high-priority project that approximately 600 million monthly users use. This is an exciting opportunity for individuals with an engineer or scientist background to apply their skills to recommendation systems, ranking algorithms, search technologies, and many other systems. You’ll work at the intersection of advanced AI development and real-world impact, enhancing the ability to connect users with relevant content, accounts, and experiences.

$180k - $440k

Parloa

Parloa is shaping the foundation of a new era in customer experience with agentic AI, where customer support becomes meaningful exchange rather than just transactions. We have powered over one billion interactions for global enterprise brands. As Manager, Agent Architecture, you will build and lead a team that transforms customer service with AI Agents, while also staying hands-on in the build yourself. You will hire, coach, and set goals for Agent Architects, owning the quality of every AI Agent they ship, with a significant portion of your capacity dedicated to live customer engagements. This is an opportunity to lead at the forefront of enterprise AI, where credibility is earned through direct contribution alongside your team.

$160k - $200k

Together AI

We are seeking a software engineer with a strong focus on reliability to manage the production operations of our Kubernetes-native control plane, which provisions and runs our GPU inference fleet. This platform team develops the API and controllers that enable the inference team to define their needs, such as clusters, model deployments, or capacity changes, and ensures these are reconciled. Your role will be to maintain this functionality in the real world by troubleshooting issues like InfiniBand problems, diagnosing serving faults, and enhancing our automated self-healing systems to permanently resolve recurring failures. The primary goal is to ensure the decoupling remains effective even during disruptions and to maintain fleet efficiency without introducing new instabilities. You will be responsible for inference serving SLOs and error budgets, leading incident response, and implementing lessons learned from postmortems into system changes. Additionally, you will address the reliability aspects of capacity efficiency, recognizing that misconfigured defragmentation or bin-packing can pose production risks. We value candidates with hands-on production reliability experience in large-scale distributed or GPU-serving systems, proficiency in troubleshooting InfiniBand/RDMA and Kubernetes controller-based platforms, and a software engineering approach to GPU infrastructure.

$250k - $320k

We are seeking an experienced software engineer to join our Agentic AI Harness & Quality team, focusing on expanding customer-facing agentic AI capabilities. You will leverage modern agentic AI tools, including frontier LLMs and infrastructure for tuning, evaluating, and serving AI agents in production. This is an eval-driven, data-centric role where you'll contribute to building error-free, inclusive, and privacy-preserving datasets. Your work will focus on enhancing AI performance in production, encompassing accuracy, quality, latency, reliability, and the overall user-facing system. We aim to build the world's highest-performing enterprise assistant platform, and your contributions will be crucial to this objective.

Salary not listed

Together AI

We are seeking a reliability-minded software engineer to manage the production operations of our Kubernetes-native control plane, which provisions and runs our GPU inference fleet. This platform team develops the manifest-driven API and controllers that enable the inference team to define their needs, such as cluster configurations, model deployments, and capacity adjustments, and ensures these are reconciled. Your role will be to maintain the reliability of this system in production, addressing issues like InfiniBand problems during node communication, diagnosing faults in hero-model and LoRA serving that generic health checks miss, and enhancing automated self-healing to permanently resolve recurring failure modes. The primary goal is to ensure the decoupling remains effective even during failures and to maintain fleet efficiency without introducing new instabilities. You will be responsible for inference serving SLOs and error budgets, leading incident response, and implementing systemic fixes based on postmortem analyses. Additionally, you will contribute to the reliability aspects of capacity efficiency, recognizing that misconfigured defragmentation or bin-packing can pose production risks. We value candidates with hands-on production reliability experience in large-scale distributed or GPU-serving systems, proficiency in troubleshooting InfiniBand/RDMA and Kubernetes controller/CRD-based platforms, and a software engineering approach to GPU infrastructure and its supporting tools.

$160k - $280k

Together AI

The Developer Experience (DevX) team at Together AI is responsible for how developers learn and build on the platform, managing the documentation site, API reference, quickstarts, and cookbooks. They treat documentation as a product, with content living in Git and publishing through Mintlify, synchronized with the API via CI/CD automation. The team also focuses on making content accessible to AI coding agents, developing a house style guide for AI-assisted authoring and structured content. As a Technical Writer Intern on DevX, you will write, test, and ship documentation used by thousands of developers. You will be paired with a mentor and own significant projects from scoping to launch, with real users and metrics. This is a hands-on, technical role where you will run the code you document, call APIs, and contribute to the documentation repository from your first week. Potential projects include building migration kits, making documentation agent-ready, generating CLI reference from source, and writing evaluation design tutorials.

Salary not listed

Parloa

Parloa is at the forefront of a new era in customer experience, where AI agents are transforming customer support from simple transactions into meaningful interactions. We have powered over a billion customer interactions for global enterprise brands, making customer conversations effortless. As a Sr Agent Architect, you will be instrumental in designing and implementing end-to-end AI Agent solutions for our enterprise clients. This role focuses on architecting complex system integrations, shaping the conversational experience, and ensuring the reliability and scalability of our AI solutions within diverse enterprise environments.

Salary not listed

Parloa

Parloa is at the forefront of a new era in customer experience, leveraging agentic AI to transform customer conversations from simple transactions into meaningful exchanges. We power billions of interactions for global enterprise brands, making customer support seamless, intelligent, and genuinely helpful. As Manager, Agent Architecture, you will lead a team responsible for building and delivering AI Agents that revolutionize customer service. This role offers a unique opportunity to be hands-on at the leading edge of enterprise AI, combining team leadership with direct client engagement and implementation.

Salary not listed