Find your next AI Engineering role

We are seeking a Senior Cloud / Data Engineer to design and implement secure cloud pipelines for ingesting and processing very large scan datasets. This role involves building robust orchestration for GPU-accelerated reconstruction and analysis, ensuring reliability, idempotency, and cost controls. You will define the end-to-end data lifecycle for medical imaging, including retention policies and reproducibility. A key aspect of this position is implementing security and compliance primitives for HIPAA/PHI, such as encryption, key management, least privilege, and audit logs. You will also develop operational tooling for monitoring, alerting, and incident management to support a growing device fleet.

Mercor is a leading AI data company that organizes human intelligence to power the AI economy. We are building the layer between human expertise and frontier models, enabling millions of domain experts to train AI models. Mercor Enterprise provides Fortune 500 companies with infrastructure to capture and translate their best people's expertise into agents. We are a profitable Series C company valued at $10 billion, seeking ambitious and committed individuals to join our team at the forefront of AI advancement. As an Economist on the Marketplace team, you will apply economic theory and rigorous empirical methods to the core decision systems that govern talent and opportunity matching on Mercor. You will analyze and shape marketplace dynamics, including matching efficiency, pricing, incentives, liquidity, and supply/demand balance. Your insights will be translated into mechanisms and metrics that directly impact fill rate, hiring speed, earnings, and revenue, making this a high-impact role at the intersection of economics, data science, and engineering.

As a Machine Learning Engineer on the Marketplace team, you will build the models and decision systems that power Mercor's hiring engine. This includes search and ranking, candidate-job matching, marketplace recommendations, personalization, and allocation decisions across a rapidly growing talent network. This is an applied ML role with direct product and revenue impact, working on problems shaped by real marketplace constraints such as sparse and delayed labels, cold start, noisy feedback, heterogeneous supply and demand, and the need to optimize across speed, quality, and conversion simultaneously.

Skild AI is seeking a Computer Vision AI & ML Engineer to design, build, and deploy advanced perception systems for real-world robotics and automation. You will work across the full machine learning lifecycle—model development, data strategy, evaluation, and production integration—to deliver robust, high-performance vision capabilities. This role combines applied research with hands-on engineering and offers the opportunity to influence both architecture and roadmap decisions.

As a Security Engineer at HeyGen, you will own the security posture of one of the fastest-growing AI companies in the world. You will partner directly with engineering teams to ship secure features, harden our cloud infrastructure, and build the compliance and trust programs that unlock enterprise deals. This is a high-impact, high-autonomy role for an engineer who thinks in threat models and ships code.

Speak is seeking a contract Curriculum Designer/Content Writer to join their Content team. This role will focus on planning and developing high-quality language learning content for Korean speakers learning Japanese. The ideal candidate will develop, edit, and localize innovative, engaging, and pedagogically sound materials. We are looking for individuals with a deep understanding of spoken fluency development and language learning, experience in teaching or developing learning modules, and a strong sense of how teaching and technology can be integrated to create exceptional content. This is a 6-month contract position with flexible working hours and location, though preference is for the candidate to be based in South Korea.

Applied Intuition is seeking a Motion Planning Engineer to design and ship deterministic, safety-critical planning systems for autonomous vehicles. This role focuses on classical motion planning, predictable behavior, and large-scale evaluation, rather than deep learning-driven planning. You will contribute to and learn from best practices in the nascent autonomy industry, working in a dynamic, customer-focused team. If you are hands-on and looking for a place to have a multiplying effect on making autonomous systems a reality, Applied is the place for you!

$60k - $300k

LangChain is seeking a hands-on Engineering Manager to lead the SmithDB team, responsible for building a storage and query layer purpose-built for AI observability and evaluation. This role is a blend of technical leadership and people management, requiring the individual to write production code, review PRs at the systems level, and make architectural decisions, while also owning team health, hiring, and the technical roadmap. The ideal candidate possesses deep systems or database engineering experience and a passion for staying technical while growing a team, contributing to a greenfield system with significant production load and ambitious engineering goals.

$240k - $300k

Applied Intuition is seeking a seasoned Global Benefits Manager to lead their benefits programs end-to-end, encompassing strategy, vendor relationships, and daily execution. This high-impact, individual-contributor role offers genuine ownership over a global benefits function within a lean, fast-moving environment. The ideal candidate will set the direction for employee well-being while also being hands-on in implementation and problem-solving.

$60k - $300k

Cohere

Cohere is seeking an Engineering Manager to lead a team focused on building full-stack applications for critical enterprise sectors, starting with pharmaceuticals and expanding to finance and healthcare. This role involves owning the application and user-experience layer, collaborating with product managers, designers, and ML engineers to deliver AI-first products. The ideal candidate will have experience building AI-first products integrated with agentic systems, ensuring secure, reliable, observable, safe, and auditable applications in high-stakes environments. The position requires strong leadership, technical decision-making, and a commitment to fostering a culture of continuous improvement and innovation.

We are seeking a Research Engineer to join our team, focusing on the critical area of large-scale model training. This role bridges the gap between cutting-edge research and production systems, tackling complex challenges in training stability, efficiency, and performance across vast GPU fleets. You will work directly with researchers, contributing code, measurements, and system changes to enable the development of foundational generative models. The ideal candidate possesses deep technical ownership, can navigate ambiguous problems, and is committed to verifying results and owning outcomes.

€130k - €240k

Harvey

Harvey is transforming the legal and professional services industries by integrating frontier agentic AI with an enterprise-grade platform and deep domain expertise. This role offers a unique opportunity to contribute to a rapidly scaling, category-defining company that has already achieved strong product-market fit with over 1500 customers globally. The team operates with intensity, ownership, and a commitment to continuous improvement, driven by values of decisiveness, simplicity, and a 'job's not finished' mentality.

$276k - $325k

Physical Intelligence is seeking a Data Annotation Lead to manage and scale annotation operations and the team responsible for it. As annotation is crucial for model improvement and demand is rapidly increasing, this role will focus on expanding the annotation workforce from hundreds to thousands while simultaneously enhancing quality. You will be responsible for designing the organizational structure, training pipelines, quality systems, and key metrics to ensure efficient scaling. This position involves owning the people and the operation, encompassing throughput, quality, cost, and delivery across all annotation types.

Perplexity is seeking a Member of Technical Staff (Data Scientist, Evals) to join their team. In this role, you will build specialized evaluations to improve answer quality across Perplexity's LLM-first search engine and other user-facing scenarios. You will architect and maintain automated evaluation pipelines, design evaluation sets to measure the impact of tool calls on answer quality, and develop VLM-based solutions for visual rendering evaluation. You will also adapt and incorporate public benchmarks and academic evaluations into regular performance measurements, working closely with technical leadership to shape product changes.

Sarvam is building the bedrock of Sovereign AI for India, developing a full-stack AI platform across research, models, infrastructure, and applications. This role focuses on building the platform that sits on top of a large, multi-vendor GPU fleet, serving demanding training and inference workloads. You will design and ship control-plane services, scheduler integrations, autoscaling controllers, inference-serving platforms, RBAC and quota systems, observability and cost tooling, and the CLI and APIs that ML engineers use daily. The work is heavy software engineering, treating the platform as a product with internal users as customers.

As a Software Engineer on the Storage team at Cursor, you will be responsible for the data layer that supports all product surfaces, including databases, caches, and the strategy for data provisioning, querying, and scaling. Millions of developers rely on Cursor daily, making the future of our storage architecture a critical high-leverage problem for the company. Your work will directly impact the speed of development, product reliability, and Cursor's ability to scale to meet high demand. You will design and implement a robust, multi-database topology to support this growth.

Harvey

Harvey is transforming legal and professional services by combining agentic AI, an enterprise-grade platform, and deep domain expertise. We are seeking a Research Engineer focused on post-training to scale the process of turning expert feedback and agent traces into significantly improved models. This role involves defining and running model training experiments, interpreting results, and collaborating with internal and external partners to enhance data, environments, graders, and training methodologies. The ideal candidate is a self-manager with extensive hands-on experience training open-weight models and the engineering depth to execute and debug experiments efficiently.

$231k - $340k

Sierra is seeking a Motion Designer to join its Creative Studio and shape how the brand comes to life through movement. This role is perfect for an individual who blends exceptional craft with systems thinking, capable of producing outstanding motion work while establishing the principles and frameworks that ensure Sierra's recognizability across all touchpoints. As part of the design team, you will collaborate with brand designers, marketers, product teams, and external partners to animate stories, products, and experiences. You will contribute to product launches, marketing campaigns, customer stories, events, social content, and new brand initiatives, translating complex AI concepts into engaging visual narratives. This is a unique opportunity to build Sierra's motion practice from the ground up and influence how customers, partners, and the industry perceive the brand.

Decagon is seeking a Technical Enablement Manager to build and scale programs for its Solutions Engineering and technical post-sales teams. This is a foundational role within the GTM Productivity team, focused on developing technical talent, enhancing field effectiveness, and scaling execution across pre-sales and post-sales functions. The position offers high visibility and direct impact on Decagon's growth, sitting at the intersection of talent development and business scaling.

We are seeking the first Technical Support Engineering leader in APAC to guide a team of Technical Support Engineers and provide outstanding support experiences to Cursor users. This role involves directly engaging with users, resolving intricate technical challenges, and utilizing insights to develop internal automations and refine support procedures. You will be instrumental in ensuring users effectively utilize Cursor, shaping the future of AI-enhanced developer support at scale, and constructing the systems necessary for world-class support.

Fireworks is seeking a Social and Community Manager to join their team. This role involves staying ahead of the rapidly evolving AI infrastructure landscape, identifying key trends, and shaping narratives. You will be responsible for making data-driven decisions, executing consistently across social and community channels, and transforming complex AI topics into shareable content. This is a hands-on position requiring strong judgment, creativity, and the ability to proactively engage and grow communities.

OpenAI

The Agent Post-Training team is responsible for developing the frontier agents that OpenAI ships to the world, including models for Codex, ChatGPT, and the API. This role focuses on training models to produce polished, useful work products such as documents, spreadsheets, and reports, transforming vague user goals into finished artifacts with strong structure, visual taste, and correctness. The position involves owning improvements across the post-training stack, including RL, data pipelines, graders, reward signals, and evaluations. You will collaborate with researchers, engineers, product teams, and safety partners to shape major model runs and ship improvements into widely used products. This is a high-agency role for individuals eager to directly impact frontier models.

OpenAI

The Agent Post-Training team is responsible for developing the frontier agents that OpenAI ships to the world. This role focuses on training models to operate computers, enabling them to navigate browsers and desktops, utilize tools, reason through complex workflows, and collaborate with users and other agents. The work involves a blend of frontier model training, product behavior, evaluation, and systems engineering, directly influencing the computer-use capabilities of OpenAI's next-generation agents. You will collaborate with researchers, engineers, product teams, and safety partners to define model training runs, measure outcomes, and ship improvements to products used by millions.

OpenAI

The Agent Post-Training team is responsible for developing the frontier agents that OpenAI ships to the world, including models for Codex, ChatGPT, and the API. This role focuses on teaching models to interface with professional software using code, APIs, and tools. You will enable agents to operate across applications like Slack, Google Workspace, GitHub, and Salesforce, taking actions within a user's digital context to find information, update systems, coordinate work, and complete multi-step workflows. The position involves training models to leverage productivity and enterprise software, turning connected tools into a powerful action surface for agents. You will collaborate with researchers, engineers, product teams, and safety partners to define model capabilities, measure performance, and ship improvements into products.

OpenAI

The Agent Post-Training team is responsible for developing the frontier agents that OpenAI releases. This role focuses on scaling compute spent on context, enabling a new paradigm of model training with a clear product interface for iterative deployment. You will collaborate with researchers, engineers, product teams, infrastructure teams, and safety/alignment partners to define model run content, measure outcomes, and integrate improvements into widely used products. This is a high-agency position for individuals eager to directly influence frontier models.

OpenAI

The Agent Post-Training team at OpenAI is responsible for developing the frontier agents that are shipped to the world. This role focuses on building "north star" model environments to drive progress towards safe AGI/ASI, directly guiding ambitious research programs. You will collaborate with researchers, engineers, product, infrastructure, and safety teams to define model run objectives, measure outcomes, and integrate improvements into widely used products. This is a high-agency position for individuals eager to directly influence cutting-edge AI models and witness their rapid advancement.

OpenAI

The Agent Post-training Personality team at OpenAI is responsible for shaping the collaborative capabilities of frontier AI agents. This role focuses on understanding and enhancing agent "personality," which encompasses thoughtfulness, clarity, perceptiveness, appropriate proactivity, and ease of interaction. The goal is to create agents that are not only effective but also exceptional collaborators, understanding user intent, communicating with good judgment, adapting to context, and taking initiative when needed. This position involves a blend of behavioral research, product thinking, and communication expertise, requiring close collaboration with product teams, human experts, and researchers across the organization to ensure these improvements are integrated into widely used AI models.

OpenAI

The Agent Post-Training team is responsible for developing the frontier agents that OpenAI ships to the world, including models for Codex, ChatGPT, and the API. This role focuses on improving the capabilities, reliability, and product fit of OpenAI's agentic models specifically for power users and API developers. You will tackle ambiguous model behavior problems, translating them into concrete progress by enhancing aspects like tool use, planning, instruction following, and error recovery. The position involves close collaboration across research, engineering, data, evals, and product teams to refine model behavior for real-world workflows and API integrations, ultimately shaping the next generation of AI agents.

Scale AI

Scale's Global Public Sector team is seeking a technically strong and client-oriented Engineering Manager to lead the development of AI applications for UAE government agencies. This role is based in the UAE and places you at the center of the nation's ambitious AI-first initiatives. You will be responsible for engineering delivery, embedding deeply with clients, and building Scale's presence as a leading AI partner in the region. The ideal candidate is comfortable in both government stakeholder meetings and technical design reviews, driving AI solutions from concept to production.

Mistral AI

Mistral AI is a pioneering company dedicated to democratizing AI through high-performance, open-source models and cutting-edge products. We aim to simplify tasks, save time, and enhance learning and creativity by integrating AI seamlessly into daily working life. Our comprehensive AI platform caters to enterprise needs, whether on-premises or in cloud environments, and includes offerings like le Chat, our AI assistant. We are a dynamic, collaborative, and diverse team passionate about AI's potential to transform society, operating across France, USA, UK, Germany, and Singapore. We seek adaptable team players who thrive in fast-paced environments and are ready to contribute to our shared goals.

Mistral AI

Mistral AI is seeking Applied Scientists and Research Engineers to drive innovative research and collaborate with clients on complex research projects. You will develop state-of-the-art models across different modalities such as text, image, and speech. By developing novel methods and research ideas, you will apply these models across a diverse set of use cases and domains. Working cross-functionally with both external and internal science, engineering, and product teams, you will deliver high-impact AI solutions that turn the needle.

Mistral AI

Mistral AI is seeking Applied Scientists and Research Engineers to drive innovative research and collaborate with clients on complex research projects. You will develop state-of-the-art models across different modalities such as text, image, and speech, applying novel methods and research ideas to diverse use cases and domains. Working cross-functionally with science, engineering, and product teams, you will deliver high-impact AI solutions. We are a dynamic, collaborative team passionate about AI and its potential to transform society, with teams distributed across France, USA, UK, Germany, and Singapore.

Mistral AI

Mistral AI is seeking an Applied AI Engineer to join their team and facilitate the adoption of their AI products among customers. This role involves collaborating with clients to address complex technical challenges, from pre-sale to post-implementation, ensuring Mistral's solutions meet and exceed expectations. The engineer will manage daily customer relations, act as a key resource in externalizing research into production settings, and work on state-of-the-art Generative AI applications across various industries. This position offers the opportunity to contribute to a pioneering company shaping the future of AI and make a meaningful impact.

Mistral AI

Mistral AI is seeking an Applied AI Engineer to facilitate the adoption of its products among customers and collaborate with them to address complex technical challenges. This role is an integral part of the Applied AI Engineering team, dedicated to driving the successful deployment of Mistral AI products. You will work hand-in-hand with customers from the pre-sale stage to post-implementation, ensuring our solutions meet and exceed client expectations.

Mistral AI

Mistral AI is seeking an Applied AI Engineer to facilitate the adoption of its products among customers and collaborate with them to address complex technical challenges. This role is an integral part of the Applied AI Engineering team, dedicated to driving the successful deployment of Mistral AI products. You will work hand-in-hand with customers from the pre-sale stage to post-implementation, ensuring our solutions meet and exceed client expectations.

Mistral AI

Mistral AI is seeking an Applied AI Engineer to join our Applied AI Engineering team. This role is integral to driving the successful deployment of Mistral AI products and building complex enterprise use cases. You will work hand-in-hand with customers from pre-sale to post-implementation, ensuring our solutions meet and exceed client expectations. You will manage customer relations involving multiple stakeholders and function as a key resource in externalizing our research in production settings, facilitating the adoption of our products and collaborating to address complex technical challenges.

Speak is seeking a Product Designer to focus on our enterprise product, which is currently in its early stages. This role is crucial for defining the tools that companies use to manage and assess their employees' language proficiency. You will be instrumental in shaping the strategy and design of our company-facing product, including admin, reporting, and account management experiences. The goal is to translate complex learner data into actionable insights for L&D managers, enabling them to launch, monitor, and prove the effectiveness of language learning programs. This is an opportunity to set the design foundation for a new surface, working closely with Product, Engineering, GTM, and Customer Success teams to create intuitive and impactful user experiences.

Fireworks AI is seeking a high-ownership sales operator to drive sourced pipeline and revenue through the Microsoft Azure channel. This quota-carrying, field-facing role involves mapping Microsoft's ISV and enterprise field organization, activating co-sell motions, and building repeatable sales plays to guide customers to Fireworks AI through Azure Foundry. You will own the forecast and the number, with significant influence over how Fireworks engages Microsoft's field teams and builds a scalable co-sell motion. If you thrive on creating from scratch and are accountable to a number, this role is for you.

OpenAI

We are seeking a Software Engineer to join our Applied Research team within the Consumer Devices group. In this role, you will build tools and services that enable AI research, evaluation, and data generation workflows. Your work will involve transforming ambiguous design questions into working research systems, collaborating closely with researchers, designers, and engineers. The goal is to simplify the creation, execution, and trustworthiness of these workflows, ensuring research artifacts have a clear lifecycle, runs are reproducible and observable, and results provide valuable evidence for product and model-training decisions. You will help maintain reliable and reusable underlying systems.

Harvey

Harvey is transforming legal and professional services by combining agentic AI, an enterprise-grade platform, and deep domain expertise. We are building a generational company at an inflection point, with strong product-market fit and investor support, scaling fast to define a new category. Our team moves fast, takes ownership, and is deeply committed to our mission, operating with intensity and pushing for excellence. We value decisiveness, simplicity, and a "Job's Not Finished" mindset. The future of professional services is being written today at Harvey. This role focuses on Harvey in Word, our Microsoft Office Add-in built on OfficeJS, which brings AI-powered capabilities directly into Word for legal professionals. You will own and lead the development of this strategic product line, architecting and shipping features that integrate seamlessly with Word and handle the unique challenges of building performant, polished experiences within the Office Add-in environment. You will join a team of highly motivated engineers dedicated to the highest standards and may contribute to our Outlook integration and the next generation of agentic AI interfaces across the Microsoft suite.

$231k - $340k