Find your next AI Engineering role

Synthesia is seeking a Staff Research Engineer to join their Voice team and contribute to the company's long-term vision of building the best human-interactive models. These advanced systems will go beyond simple conversation to perceive, respond to, and react to user actions and emotions in real-time. The role involves defining and driving this broader vision across teams, proposing ambitious research directions, and taking ownership of critical component design and implementation. You will collaborate closely with the voice lead, video teams, and other senior members to develop models that combine text, audio, and video for a seamless, interactive experience, moving beyond traditional turn-taking in speech models.

Crusoe Cloud is revolutionizing high-performance computing by offering sustainable, low-cost GPU compute power. As a Cloud Support Engineer, you will be the primary point of contact for technical support, ensuring our customers can seamlessly utilize Crusoe Cloud for groundbreaking advancements in fields like AI/ML, physics simulations, and computational biology. This role directly impacts Crusoe's mission by enabling customers to accelerate their research and development, contributing to a more sustainable future. You will be involved in exciting projects, working with cutting-edge technologies and collaborating with a talented team to solve complex challenges. The ideal candidate is a highly motivated and experienced technical professional with a passion for customer success, a deep understanding of cloud technologies, and a commitment to Crusoe's values.

$145k - $175k

Crusoe Cloud is revolutionizing high-performance computing by offering sustainable, low-cost GPU compute power. As a Senior Cloud Support Engineer, you will play a crucial role in empowering our customers to leverage this technology for groundbreaking advancements in fields like AI/ML, physics simulations, and computational biology. You will be the primary point of contact for technical support, ensuring our customers can seamlessly utilize Crusoe Cloud to achieve their goals. This role directly impacts Crusoe's mission by enabling our customers to accelerate their research and development, contributing to a more sustainable future. You will be involved in exciting projects, working with cutting-edge technologies and collaborating with a talented team to solve complex challenges.

$135k - $165k

OpenAI

OpenAI is seeking a Safety Transparency Editor to enhance the editorial quality of key safety transparency artifacts and systems. This role involves crafting clear and precise explanations of complex technical safety topics for external audiences, leveraging AI to improve the organization's ability to communicate its safety work effectively. The editor will be responsible for shaping the external communication of technical safety efforts, identifying key narratives, and ensuring accuracy and accessibility in public-facing materials like system cards, blogs, and governance documents. This is a hands-on position requiring deep ownership, accountability, and the ability to combine exceptional editorial judgment with a builder's mindset, using AI not just for drafting but for rethinking and scaling the transparency process.

Cartesia is a foundation model company pioneering AI that learns and interacts with the world like humans. Our mission is to architect the next generation of AI, building on our invention of State Space Models (SSMs). We are a well-funded startup with a team of experts in AI research, systems engineering, and product development. As a Technical Sourcer, you will be instrumental in our growth by identifying and engaging top-tier technical talent. This is a hands-on role where you will source, screen, manage candidates, and contribute to strategic hiring initiatives. You will be responsible for developing and executing innovative sourcing strategies across various channels, building robust candidate pipelines, and crafting personalized outreach to attract exceptional individuals.

thinkingmachines

Thinking Machines Lab is seeking an infrastructure research engineer to design, optimize, and scale the systems that power large AI models. The goal is to make inference faster, more cost-effective, more reliable, and more reproducible, enabling research teams to focus on advancing model capabilities. This role is crucial for ensuring that every experiment, evaluation, and deployment runs smoothly at scale, with a focus on performant and efficient model inference for both real-world applications and research acceleration.

$350k - $475k

Harvey

Harvey is transforming legal and professional services by combining frontier agentic AI with an enterprise-grade platform and deep domain expertise. This is a unique opportunity to help build a generational company at a critical inflection point, with strong product-market fit and investor support, we are scaling rapidly and defining a new category. The AI Platform team builds the foundational model layer and agent infrastructure that underpins all of Harvey's products and agents, ensuring high-quality AI output in complex domains like legal services where accuracy is paramount. This team is early and has significant opportunities to shape the future of AI at Harvey, focusing on areas like model routing, agent architecture, context management, and evaluation.

$193k - $290k

Harvey

Harvey is transforming legal and professional services by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. We are building a generational company at an inflection point, scaling fast and defining a new category. The AI Platform team builds the foundational model layer and agent infrastructure that determines the quality of work our agents deliver. This team is early and has significant opportunities to shape the future of AI in high-stakes domains.

$231k - $340k

Lambda Security is responsible for protecting critical digital assets, including training data, model weights, and sensitive inputs for AI models. As a Security Engineer, you will contribute to various aspects of the security program, such as building detections, hardening infrastructure, reviewing designs, automating tasks, and responding to incidents. You will collaborate closely with Product Engineering, Data Center Operations, IT, and Technical Program Managers to enhance the security posture of Lambda's AI cloud infrastructure. The role involves delivering on the security roadmap, expanding detection capabilities for AI-specific threats, maturing incident response processes, and developing security automation. You will have access to LLMs hosted on Lambda's infrastructure to advance security operations.

$12k - $18k

We are seeking a high-ownership Deal Desk Manager to be one of the first hires for our Deal Desk function in the APJ region. This is a hands-on individual contributor role that sits at the intersection of Sales, Legal, Finance, and Revenue Operations. You will partner with the APJ sales team to structure, price, and close enterprise deals, providing essential in-time-zone deal support as the region scales. You will own the APJ deal desk as your domain, bringing global discipline to the region and managing deal support end-to-end. This role offers significant strategic weight, requiring you to be involved in live deals, manage pricing and deal structure, build quotes and order forms, and shepherd deals through approvals. You will also identify and address recurring friction points in deal processes, establishing scalable processes, playbooks, and guardrails.

Harvey

Harvey is seeking a Design Manager to lead a team of designers and elevate the quality, consistency, and execution of the company's creative work. This player-coach role involves partnering with the Creative Director to translate creative concepts into exceptional design across high-impact projects, managing and mentoring designers, and providing thoughtful creative feedback. The Design Manager will drive design across various creative activations, including events, brand campaigns, partnerships, and product launches, ensuring a high standard of craft while fostering team growth. This position reports to the VP of Creative and offers an opportunity to shape a leading AI brand and build a high-performing design team.

$233k - $295k

We are seeking an IT Engineer to manage the employee technology experience within our London office and contribute to scaling Cognition's global IT operations. This role involves ensuring employees have secure and reliable technology, providing responsive support, and enhancing IT operations through automation and AI-enabled workflows. The ideal candidate will possess in-depth knowledge in two to three IT disciplines and a desire to explore new areas. This position requires a full-time, in-person commitment to our London office, emphasizing teamwork and collaboration.

Fiddler is building trust into AI, especially with the rise of Generative AI and Agents. Our platform helps organizations deploy trustworthy and transparent AI solutions by monitoring, evaluating, securing, analyzing, and improving AI applications. We partner with AI-first organizations to establish responsible AI practices, fostering user trust. Our Integrations Team focuses on the connective tissue between customer AI stacks and our observability platform, building OpenTelemetry-native SDKs, framework instrumentation, and ingestion pipelines for various AI environments including predictive models, LLMs, GenAI, and agentic applications. This role offers a broad scope, combining SDK/instrumentation leadership, OpenTelemetry expertise, distributed systems architecture, and AI observability platform development.

Lambda is seeking a Principal Product Manager to own the hardware product lifecycle for their AI cloud infrastructure. This role is critical in deciding which GPU platforms, node configurations, and cluster options Lambda offers to its customers. You will work at the intersection of hardware and software, collaborating with external partners like NVIDIA and ODMs, as well as internal teams including data center, supply chain, and infrastructure engineering. Your responsibilities will include translating customer demand and benchmark data into strategic fleet investment recommendations, defining product roadmaps, and ensuring the successful launch and iteration of hardware products. The ideal candidate possesses strong product management skills, a deep understanding of technical infrastructure and hardware, and the ability to drive decisions through insight, influence, and execution.

Fireworks is seeking a leader for its growing Go-To-Market (GTM) Engineering team. This role will be responsible for defining the architecture and driving the AI roadmap to empower customer-facing teams. You will own the entire GTM technology stack, including Salesforce, CPQ, enrichment, and engagement tools, ensuring seamless integration and scalability for a rapidly expanding organization. A key focus will be bringing agentic AI from concept to production, establishing it as the new operational standard for GTM teams, rather than just an experiment. This is a hands-on builder and leader position, requiring someone who can make critical architectural decisions, deliver quickly, and elevate the performance of the GTM Engineering team.

$50k - $300k

Perplexity is looking for an Enterprise Product Growth Manager to lead the entire nurture and engagement process for their enterprise and business buyers. This role involves managing the journey from initial contact through to closed deals and expansion. You will collaborate with Demand Generation, Sales, Product Marketing, and Revenue Operations to guide accounts through the sales funnel and develop AI-native tools to support these programs. The ideal candidate is a marketer who is comfortable writing their own SQL, prototyping agents, and automating workflows rather than executing them manually.

This role is critical in architecting and scaling the trust infrastructure to protect over 70 million users while maintaining the platform's creative freedom. You will design distributed systems for real-time content scanning, anomaly detection, and rate limiting. This includes defining and evolving the core data model and storage systems for abuse detection, and developing high-volume event pipelines and internal tools to enable swift threat response by support teams. You will join a small, high-impact team focused on building the foundation for trust at scale, working across databases, public APIs, and event infrastructure. The position requires balancing long-term technical investments with rapid shipping velocity and collaborating across engineering, product, and design to shape the future of safety at the company.

$180k - $310k

Harvey

Harvey is seeking its first Lead Copywriter to define the company's voice, establish editorial standards, and shape its brand communication. This is a creative leadership role where you will partner with designers, product marketers, and leadership to translate business objectives into memorable ideas. You will be a hands-on creative, owning high-impact work and setting the principles for Harvey's voice. As the company grows, you will have the opportunity to scale the copywriting practice, mentor future writers, and influence the function's evolution. This role reports to the VP of Creative and is a unique opportunity to shape the voice of a rapidly growing AI company.

$164k - $246k

Harvey

Harvey is seeking its first Lead Copywriter to define the company's voice, establish editorial standards, and shape its brand communication. This is a creative leadership role where you will partner with designers, product marketers, and leadership to translate business objectives into memorable ideas. You will be a hands-on creative, owning high-impact work and setting the principles for Harvey's voice. As the company grows, you will have the opportunity to scale the copywriting practice, mentor future writers, and influence the function's evolution. This role reports to the VP of Creative and is a unique opportunity to shape the voice of a rapidly growing AI company.

$164k - $246k

thinkingmachines

Thinking Machines Lab is seeking a Research Engineer focused on developer experience to build and enhance their Tinker platform. This role involves working hands-on with users to understand their challenges and translate them into product improvements. You will be responsible for creating and updating documentation, adding library features, prototyping integrations, and ensuring users can smoothly customize frontier AI models. This position acts as a crucial link between Tinker users and the internal research and infrastructure teams, surfacing user patterns to inform product and infrastructure priorities and sharing learnings through various channels.

$350k - $475k

Reflection ai

Reflection is seeking a Platform Foundations Lead to build and operate the foundational layer that all engineering teams depend on. This includes cloud and multi-cloud infrastructure, networking, security, and developer tooling. The role involves leading a team of infrastructure engineers, guiding technical and architectural decisions, and working closely with other engineering teams. You will also manage cloud and infrastructure vendors and contribute as an individual contributor to stay close to the technical stack.

Poolside is building a world where AI drives economically valuable work and scientific progress, aiming to accelerate software development with agentic systems, coding assistants, and frontier models. This role is on the compute team, focusing on optimizing GPU workload scheduling and inference serving. You will partner with the inference team to enhance throughput and latency for evaluations and reinforcement learning, collaborate with the scalability team to stabilize large-scale fault-tolerant training, and work closely with the infrastructure team to ensure GPU nodes are healthy and fully utilized. Your work will directly impact research velocity and contribute to the company's mission of building frontier models.

Poolside is building a world where AI is the engine behind economically valuable work and scientific progress, aiming to accelerate software development with agentic systems, coding assistants, and frontier models. This role focuses on designing and implementing the build, CI/CD, and tooling infrastructure that researchers and engineers rely on daily. You will join the infrastructure team as the second engineer focused on developer experience, partnering closely with the current owner while sharing on-call, incident response, and platform ownership. The mission is to make it seamless for researchers and engineers to build, test, and ship by optimizing the monorepo, ensuring reproducible builds, and maintaining a coherent Python ecosystem through automation.

Cohere

Cohere is seeking a Partner Development Manager for the Europe Enterprise Market to drive the adoption of cutting-edge AI solutions. This role is pivotal in transforming the European enterprise landscape through strategic partnerships, working closely with leading enterprises, system integrators, and technology partners. You will be instrumental in co-creating value, expanding market reach, and delivering impactful AI solutions tailored to the unique needs of European businesses. This is a high-impact opportunity to shape the future of AI partnerships in Europe, working at the intersection of technology, business, and policy.

Cursor is building the future of coding automation, starting with a tool for professional programmers. Our mission is to make coding more efficient through inventive research, design, and engineering. We are a flat organization with a small, talented team that values truth-seeking, passion, and creativity. We thrive on spirited debate, bold ideas, and shipping code. In this role, you will lead the Agent & Product Security team, responsible for making agentic software development trustworthy. This team defines and builds the security primitives for autonomous agents, including identity, delegated authority, policy enforcement, secure tool execution, and prompt-injection containment. These decisions will significantly impact Cursor's product direction and the industry's approach to AI security. Security is deeply integrated with our product strategy, directly influencing the pace at which we can introduce new autonomous agent capabilities.

Lambda, a leader in AI cloud infrastructure, is seeking a Data Center Standards Architect to join their team. This principal-level role is responsible for designing the standards, systems, tools, and processes that enable Lambda to scale its data center infrastructure. The ideal candidate will have experience leading engineering teams or large technical programs and will focus on shaping how a fast-growing infrastructure organization operates. This is an opportunity to build the world's best AI cloud infrastructure.

Mercor is seeking its first dedicated Procurement Operations hire to build and optimize the intake-to-PO infrastructure from the ground up. This high-impact, foundational role reports to the Head of Procurement and involves designing, implementing, and managing procurement processes. You will work at the intersection of Finance, Legal, Security, and Engineering, directly contributing to the company's growth by bringing order to ambiguity and scaling operations. If you are a builder who thrives on creating efficient systems and wants your work to directly influence company growth, this role is for you.

$160k - $220k

Fiddler is building trust into AI, especially with the rise of Generative AI and Agents. Our platform helps organizations deploy trustworthy and transparent AI solutions by monitoring, evaluating, securing, analyzing, and improving AI applications. We partner with AI-first organizations to establish responsible AI practices, enabling engineering and business teams to understand AI outcomes. Joining Fiddler means making an impact by ensuring AI applications at production scale have operational transparency and security, offering monumental learning opportunities in a rapidly innovating industry.

$174k - $215000k

OpenAI

We are seeking an Applied AI Engineer to collaborate with strategic partners in designing, building, evaluating, and launching high-utility plugins for ChatGPT and Codex. This hands-on, partner-facing role involves contributing to the platform, leading partner engagements, and translating product needs into production-ready integrations. You will work closely with various internal teams at OpenAI and external partner teams to identify use cases, prototype solutions, debug issues, and guide partners through the entire plugin lifecycle. The ideal candidate is a product-minded engineer who enjoys coding, reliability, evaluations, and developer experience, aiming to help partners ship genuinely useful plugins.

Reflection ai

Reflection is a research lab dedicated to making intelligence open and accessible. We build open models that empower individuals to control their intelligence and shape the future of AI. The Head of Technology & Security Engineering will architect and operate the security engineering foundation protecting our corporate environment, multi-cloud research infrastructure, and significant GPU training capacity. This leadership role encompasses the full technical security stack, from end-user compute and zero-trust access to cloud security, detection engineering, and security-as-code, enabling rapid research progress without compromising rigor. Positioned at the intersection of security engineering, infrastructure, and research operations, this role is crucial for safeguarding sensitive assets like model weights, training data, and GPU capacity, while maintaining a low-friction environment for researchers and engineers. The ideal candidate possesses deep technical expertise and executive presence to lead the security engineering function, represent the company's security posture, and manage vendor and contractual risks.

OpenAI

OpenAI's Forward Deployed Engineering (FDE) team is responsible for turning research breakthroughs into production-grade systems, working closely with customers to solve high-leverage problems and drive complex, large-scale engagements. As a Technical Deployment Lead (TDL), you will define and own the delivery of complex AI systems to Semiconductor customers, focusing on high-value engineering workflows like RTL design, verification, and physical implementation. You will translate business outcomes into technical plans, manage day-to-day execution, and ensure solutions are adopted and deliver measurable value. This high-autonomy role requires deep technical project management expertise, ownership of outcomes, and the ability to immerse in customer workflows to solve complex engineering problems at pace.

$25k - $50k

Harvey

Harvey is transforming how legal and professional services operate by combining agentic AI, an enterprise-grade platform, and deep domain expertise. This is a rare chance to help build a generational company at a true inflection point, with strong product-market fit and world-class investor support. The team moves fast, takes ownership, and is deeply committed to the mission, operating with intensity and pushing for excellence. As a Product Manager on the Core Platform team, you will own the strategy, roadmap, and execution for the infrastructure powering every user interaction with our global legal AI platform. You will operate at the intersection of deep customer need and hard technical constraints, translating workflows into product requirements. You'll balance ambitious product bets with the operational discipline required to keep a mission-critical platform reliable, scalable, and secure as we expand.

$214k - $300k

Harvey

Harvey is seeking a Senior Engineering Manager to lead the Infrastructure Foundation & Production Quality Engineering organization. This team is crucial for building and operating Harvey's core compute and networking infrastructure, Kubernetes platform, workflow orchestration platform, and production infrastructure foundations. The role involves owning the reliability, scalability, security, and efficiency of the infrastructure platform, leading a team of engineers, and partnering with various departments to ensure the infrastructure scales with rapid growth. This is a leadership role reporting to the Head of Infrastructure, focused on shaping the future of Harvey's infrastructure platform.

$260k - $340k

Glean is seeking a Product Management Lead to drive product strategy and execution for their Work AI platform. This role involves managing and growing a team of product managers, delivering best-in-class products for knowledge management, and contributing to the company's long-term vision of an intelligent work assistant. As part of a lean product team, you will have a significant impact on shaping the product roadmap and the team itself. You will collaborate closely with Design, Engineering, Sales, Marketing, and Success teams to understand customer needs and build category-defining tools, gaining both breadth and depth of experience.

$210k - $240k

Speak is reinventing language learning with an AI-powered tutor that offers a conversation-first experience. Our mission is to make learning a language accessible and effective, transforming lives by opening doors to new cultures, careers, and communities. We have become the number one language learning app in South Korea and are expanding globally, serving learners across many markets and 15+ languages. As a leading AI company, we are backed by significant venture investment and operate with a distributed team across several international locations.

Sierra is a leading platform for customer-facing AI agents, partnering with major global brands to revolutionize how they serve customers and drive business growth. We are a primarily in-person company with offices in San Francisco and expanding across North America, Europe, and Asia. Our culture is built on core values of Trust, Customer Obsession, Craftsmanship, Intensity, and a commitment to balancing Family. Our co-founders, Bret Taylor and Clay Bavor, bring extensive experience from leading technology companies like Salesforce, Facebook, and Google, with Bret's notable involvement in OpenAI and Clay's leadership in Google Labs and AR/VR initiatives.

OpenAI

We are seeking a Support Operations Lead who combines operational leadership, systems thinking, vendor management, and hands-on execution. You will own service health, automation programs, and partner and vendor management. In addition to delivering high-quality service, you will identify opportunities to reduce manual work, experiment with tools, and help operationalize AI across support at scale. This role is not a traditional support operations lead role; we are looking for someone to help define the future of support, who thrives at the intersection of team/project management, systems building, data science/engineering, and with deep craft experience in the support operations space.

We are seeking a highly adaptable and results-oriented individual to join our team as a Senior Growth Lead. In this role, you will be responsible for driving growth initiatives across contributor recruitment, user reactivation, and new audience acquisition for Surge AI. You will work collaboratively across various functions, bringing structure to complex challenges and achieving significant outcomes with minimal supervision. This is an opportunity to own critical growth areas end-to-end, from strategy development to execution and iteration, in a fast-paced environment.

Surge is building a platform that powers the most powerful AI models in the world, in partnership with leading AI companies. Our mission is to advance AGI by integrating human intelligence and creativity into the data that shapes AI systems. We combine elite human expertise with cutting-edge tools for scalable oversight, from building rich RL environments to conducting rigorous evaluations. As a Research Scientist focused on data, you will work at the forefront of LLM development by designing datasets that influence how frontier models behave. You will collaborate directly with AI research teams to explore new data collection strategies, assess dataset quality, and discover insights that enhance alignment, safety, and model performance. This is a research-driven, impact-heavy role where you can rapidly test ideas in live production environments, influence data-centric methodologies for top AI labs, and help define how high-quality data drives the next generation of AI systems.

Surge is building a platform to power the next generation of AI, partnering with leading AI labs and frontier model teams. As a Forward Deployed Researcher, you will embed directly with these teams to understand how their models behave in real-world applications and ensure their reliability at scale. This role involves leading hands-on research to evaluate model capabilities, identify subtle failure modes, and design interventions that improve model behavior and deployment outcomes. You will uncover insights that inform future model development, working collaboratively to turn complex real-world challenges into actionable breakthroughs.