Find your next AI Engineering role

Mistral AI

Mistral AI is seeking an Applied AI Engineer to join their team and facilitate the adoption of their products among customers. This role involves working closely with clients from the pre-sale stage through post-implementation, ensuring their solutions meet and exceed expectations. The engineer will manage daily customer relations, act as a key resource for externalizing research in production settings, and collaborate with researchers, AI engineers, and product engineers on complex customer projects. The goal is to drive the successful deployment of Mistral AI products and contribute to technological transformation across various industries.

Mistral AI

Mistral AI is seeking an Applied AI Engineer focused on DevOps to help customers adopt its products and solve complex technical challenges. In this role, you will apply your problem-solving abilities, creativity, and technical skills to assist organizations in leveraging AI for significant impact. You will gain unique insights and contribute to critical global industries and institutions. Applied AI Engineers at Mistral AI work in small teams, owning end-to-end execution of high-stakes projects, which may involve discussing architecture, managing large-scale data, coding custom applications, engaging with customer executives, and strategizing for the Applied Engineering team.

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 make a significant difference. We are a dynamic, collaborative team passionate about AI and its potential to transform society, with a diverse workforce thriving in competitive environments and committed to driving innovation.

Mistral AI

Mistral AI is a company dedicated to democratizing AI through high-performance, optimized, open-source models, products, and solutions. Our comprehensive AI platform is designed to meet enterprise needs, whether on-premises or in cloud environments, including our AI assistant, le Chat. We are a dynamic, collaborative, and diverse team passionate about AI's potential to transform society, with teams distributed across France, USA, UK, Germany, and Singapore. We seek creative, low-ego, and team-spirited individuals to join us in shaping the future of AI and making a meaningful impact.

OpenAI

OpenAI's Training team is responsible for producing the large language models that power our research and products, bringing us closer to AGI. This involves deep research into improving current architectures, datasets, and optimization techniques, alongside long-term bets on future model efficiency and capability. As a member of the architecture team, you will push the frontier of architecture development for OpenAI's flagship models, enhancing intelligence, efficiency, and adding new capabilities. The ideal candidate has a deep understanding of LLM architectures, model inference, and a hands-on empirical approach, comfortable with creative breakthroughs, strengthening baselines, designing evaluations, debugging regressions, and tracking bottlenecks.

As an Applied Machine Learning Engineer, you will serve as a vital bridge between cutting-edge AI research and practical, real-world applications. Your work will focus on developing, fine-tuning, and operationalizing machine learning models that drive business value and enhance user experiences. This is a hands-on engineering role that combines deep technical expertise with a strong customer focus to deliver scalable AI solutions.

Mistral AI

Mistral AI is seeking Applied Scientists Interns and Research Engineers Interns 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. This position is open for our local offices in Paris and London.

Fireworks is seeking a Software Engineer focused on Performance Optimization to enhance the speed and efficiency of their AI infrastructure. This role involves optimizing performance across all levels of the technology stack, from low-level GPU kernels to large-scale distributed systems. The primary focus will be on maximizing the performance of demanding workloads such as large language models (LLMs), vision-language models (VLMs), and advanced video models. You will collaborate with research, infrastructure, and systems teams to identify and resolve performance bottlenecks, implement advanced optimizations, and scale AI systems for production use cases, directly influencing the speed, scalability, and cost-effectiveness of cutting-edge generative AI models.

Decagon is seeking a Senior Solutions Engineer to join their team. This foundational technical role will influence the future of AI-powered enterprise solutions. You will act as a technical advisor and trusted consultant to enterprise prospects and customers, focusing on value-based solutioning and integrating Decagon's AI-native platform into complex customer ecosystems. This position blends pre-sales engineering, product strategy, and enterprise architecture.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. As a Security Engineer, you will build the foundational systems and controls that ensure Sierra's AI agents are secure, protecting customer data and trust. You will partner across product and platform teams to integrate security, privacy, and safety as core product capabilities and secure defaults. This role involves designing and implementing systems across various security domains, including product security, infrastructure security, enterprise security, identity, and detection and response. You will identify risks, strengthen architectures, and build durable defenses, while also owning cross-cutting systems, threat modeling, code reviews, and evolving security primitives. The position requires a strong software engineering background, systems thinking, and the ability to automate and scale security workflows.

Inworld is seeking an ambitious and capable Staff/Principal Backend Engineer to join their team and contribute to the advancement of the Inworld AI platform. This role will involve working on exciting new products, including the Inworld Router, an intelligent routing layer for LLMs, and API-based model services for TTS/STT. You will tackle complex infrastructural projects, focusing on platformization, development tools, and system-wide billing. The position emphasizes rapid iteration, building novel platform capabilities, and optimizing for real-time performance in consumer AI applications. Collaboration with ML teams is integral to the role, as AI and ML are critical to the platform's vision.

Inworld is seeking an ambitious and capable Staff/Principal Backend Engineer to join their research lab and contribute to the advancement of their AI platform. This role will focus on developing and scaling core systems for exciting new products, including an intelligent routing layer (Inworld Router) that supports over 200 LLMs, real-time API services, and API-based model services like TTS/STT with voice cloning. The position involves tackling complex infrastructural projects, platformization, and system-wide billing, with a strong emphasis on collaboration with ML teams to drive learning and adaptability. This is an individual contributor role focused on direct technical contribution.

$280k - $350k

Hebbia is seeking a Solutions Engineer to join their growing team. This role is critical in converting buyer interest into enterprise conviction by structuring ambiguous problems, building tailored AI workflows, and validating value within real data environments. As a revenue-critical leader, you will own the technical strategy in complex enterprise evaluations, operating at the intersection of commercial leadership and AI execution. You will translate complex enterprise problems into structured, Hebbia-driven solution approaches, design tailored AI-powered workflows, and act as a trusted advisor to sophisticated buyers navigating ambiguity, risk, and scale. This position directly drives win rates, accelerates deal cycles, and builds executive confidence in adopting Hebbia's AI platform for investors and bankers.

$170k - $260k

OpenAI

We are seeking a GPU Inference Engineer to enhance model serving efficiency for our Robotics research. This high-impact role involves driving initiatives to optimize inference performance and scalability, as well as assisting researchers in developing inference-friendly models. This position is crucial for scaling the team's goals, enabling leadership to focus on higher-leverage initiatives by building a stronger technical foundation.

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences using AI. We partner with industry leaders and are primarily an in-person company based in San Francisco, with growing international offices. Our co-founders have extensive experience from leading tech companies like Salesforce, Facebook, and Google, with one co-founder currently serving as Board Chair of OpenAI. We are guided by core values of Trust, Customer Obsession, Craftsmanship, Intensity, and Family.

OpenAI

Online Data builds and operates Habitat, a core online database platform for OpenAI's products. This system handles high-QPS, latency-sensitive workloads across regions, with end-to-end ownership of provisioning, developer experience, APIs, scaling, reliability, data movement, privacy enforcement, and future storage backends. The role involves designing and building core abstractions, owning major surface areas, improving performance and cost efficiency, and building developer-first tooling. You will collaborate closely with internal teams, participate in on-call rotations, and focus on solving complex distributed systems problems at massive scale.

Abridge

Abridge is seeking a highly experienced and motivated Senior Application Security Engineer to join their growing team. This is a key technical leadership role focused on building security from the ground up at the forefront of AI in healthcare. You will shape product, infrastructure, and engineering practices by impacting the vision and execution of the secure software development lifecycle (SDLC) across the entire product portfolio. The role involves collaborating with product and engineering teams to integrate security seamlessly, automate security controls, and foster a secure-by-default culture. This position demands deep technical expertise, a builder's mindset, and strong communication skills to influence security across the organization.

OpenAI

OpenAI is seeking a Research Engineer for Frontier Evals & Environments to help build north star model environments that drive progress towards safe AGI/ASI. This role will directly guide the research programs of ambitious training runs, with past open-sourced evaluations including GDPval, SWE-bench Verified, MLE-bench, PaperBench, and SWE-Lancer. You will work with researchers, engineers, product teams, infrastructure teams, and safety/alignment partners to define model run objectives, measure outcomes, and ship improvements into widely used products. This is a high-agency role for individuals passionate about seeing their work directly impact frontier models and steering them towards beneficial outcomes.

Mistral AI

Mistral AI is seeking passionate and skilled software engineers to join our team as Backend Engineers. You will contribute to the development of core systems powering our main products, AI Studio, Le Chat & Mistral Code, shaping how users and developers interact with our AI platform at scale. You'll work on building reliable, high-performance backend systems and APIs that serve millions of users and developers, directly impacting the developer and user experience. We welcome engineers at all levels, from fresh graduates to senior and staff engineers, who are eager to learn, collaborate, and ship impactful products.

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences with AI. We partner with industry leaders and are primarily an in-person company based in San Francisco, with growing international offices. Our core values are Trust, Customer Obsession, Craftsmanship, Intensity, and Family. The co-founders have extensive experience from leading tech companies like Salesforce, Facebook, Google, and OpenAI. As an Agent PM at Sierra, you will be responsible for partnering directly with engineers and customers to build and ship AI agents capable of handling thousands of customer conversations daily. You will engage with customers at all levels, discover their requirements, present demonstrations, and work with technical counterparts to overcome business process challenges. Your role will involve developing and improving virtual agents to meet and anticipate customer needs, acting as a trusted advisor to drive strategic technical strategies for clients.

Mistral AI

Mistral AI is seeking experienced backend software engineers to join our Deployment team. You will be responsible for deploying and integrating our AI products, including models and APIs, across various infrastructure configurations, from major cloud providers to self-hosted solutions. This role involves close collaboration with research, product, and solution architect teams to ensure our frontier models are accessible to customers across different environments. We are a dynamic, collaborative team passionate about democratizing AI through high-performance, open-source models and a comprehensive AI platform.

OpenAI

The Engineering Acceleration team designs, builds, and maintains the foundational systems that engineers use to build ChatGPT and the API. This is a fast-growing team where you will have the opportunity to own and define the strategy, vision, and plan for increasing developer productivity. You will drive the design, development, and implementation of tools, systems, and processes that accelerate engineering velocity, reduce manual effort, and increase the quality of output. You will also use our latest AI tools to re-think how we can be the most productive team in the industry, working closely with various teams within OpenAI to understand their workflows, challenges, and needs.

Perplexity is looking for an experienced Machine Learning Engineer to contribute to the development of next-generation search technologies, with a particular emphasis on retrieval and ranking. This role involves architecting and building essential components of our search platform and model stack, training and evaluating various models including LLMs, and deploying these models efficiently and at scale. The engineer will also be responsible for building and optimizing RAG pipelines for grounding and answer generation, and collaborating with cross-functional teams to ensure timely and high-quality delivery.

We are seeking engineers to build a complex AI-native product within a small, high-caliber team. Our platform facilitates AI-moderated video interviews at scale, connecting millions of individuals with companies and soon, AI agents themselves. We are developing a system that simulates human behavior and preferences to inform product development at AI speed, creating a closed-loop system where AI agents can iterate on product features based on human feedback.

$180k - $300k

Mistral AI

Mistral AI is a pioneering company dedicated to democratizing AI through high-performance, open-source models and cutting-edge solutions. We aim to integrate AI seamlessly into daily working life, enhancing learning and creativity. Our comprehensive AI platform serves enterprise needs, and we offer "le Chat," an AI assistant for life and work. We are a dynamic, collaborative team passionate about AI's potential to transform society, with a diverse workforce thriving in competitive environments and committed to driving innovation. Our teams are distributed across France, USA, UK, Germany, and Singapore. We are seeking a motivated individual to join our team and contribute to shaping the future of AI.

OpenAI

At OpenAI, we are seeking a software engineer to help build out our trust and safety capabilities, ensuring the safety, robustness, and reliability of AI models and their deployment. In this role, you will work with our engineering team to design and implement systems that detect and prevent abuse, promote user safety, and reduce risk across our platform. You will be at the forefront of our efforts to ensure that the immense potential of AI is harnessed in a responsible and sustainable manner.

Mistral AI

Mistral AI is seeking a passionate and skilled Senior Frontend Engineer to join their growing team. This role offers the unique opportunity to work on the company's complete range of products, contributing to their development and enhancement. The work will directly impact the user experience, making it more engaging, efficient, and intuitive. Mistral AI believes in democratizing AI through high-performance, optimized, open-source, and cutting-edge models, products, and solutions, aiming to integrate AI seamlessly into daily working life.

LangChain is seeking a Senior Fullstack Engineer to join our commercial product team for LangSmith, an observability and evals platform. In this role, you will have the opportunity to shape the technical direction of our platform while working closely with enterprise customers, developer end-users, and internal stakeholders. You will lead the technical architecture and implementation of key product features, collaborate closely with product and design teams, and mentor junior engineers. This is an opportunity to contribute significantly to a rapidly growing company with a strong foundation in open-source tools and a significant market presence.

$175k - $240k

Mistral AI

Mistral AI is a pioneering company focused on democratizing AI through high-performance, open-source models and solutions. We are seeking passionate and skilled software engineers to join our dynamic, collaborative team. In this role, you will design, build, and maintain our data infrastructure, ensuring data accuracy, accessibility, and security. Your contributions will be crucial in enabling our science teams to enhance AI model quality and empowering business users to make informed decisions.

Sierra is building a platform to enable companies to create better customer experiences using AI. We partner with industry leaders and are primarily an in-person company based in San Francisco. Our co-founders have extensive experience from leading tech companies like Salesforce, Facebook, and Google. We are looking for a Software Engineer to design, build, and ship production-grade AI agents that are central to Sierra's growth. You will own the entire Agent Development Life Cycle (ADLC), from pilot to deployment and iteration, setting best practices along the way. This role involves partnering directly with large enterprises and cutting-edge startups to understand their challenges and build AI agents that transform their operations at scale. Your work will also directly influence the evolution of Sierra's core platform by surfacing unmet needs and prototyping new tools and features.

LangChain is seeking a core maintainer for its Python Open Source team. This role involves maintaining and improving the LangChain Python package, focusing on building reliable abstractions for AI agents and integrating them with real-world systems. The team works closely with the open-source community, ensuring the core libraries remain stable, scalable, and production-ready. This position will significantly shape the developer experience for building AI applications with Python.

$160k - $240k

OpenAI

OpenAI is seeking a senior researcher passionate about AI safety to join the Safety Oversight Research team. This role will be instrumental in setting research directions to ensure safe AGI and will focus on identifying and mitigating misuse and misalignment in AI systems. You will play a critical part in defining the future of safe AI systems at OpenAI, significantly impacting our mission to build and deploy safe AGI. The Safety Systems team is dedicated to ensuring our advanced models can be safely deployed for societal benefit, driving our commitment to AI safety and fostering trust and transparency.

OpenAI

As a Data Scientist on the Applied Product team, you will contribute to a data-driven product development culture for consumer and enterprise products at OpenAI. This is critical as our products reach millions of users and businesses worldwide. We are focused on aligning both research and product development to drive measurable impact for these individuals and organizations alike. You should expect to define our north-star metrics, design A/B tests, and establish source-of-truth dashboards that the entire company can use to answer their own product questions. Most importantly, you should expect to be a core member of the product development team.

OpenAI

We are seeking a Senior Support Engineer to collaborate directly with our strategic enterprise accounts and product teams, helping solve some of the most difficult problems faced by our Customers. You will be part of the best technical troubleshooting team at OpenAI, and our Customers and Engineering teams will look to you for technical guidance in addressing the most technically difficult issues in our environment. As a Senior Support Engineer, you will design and run operational processes to monitor our top strategic customers and a 24x7 response team. You’ll work closely with our Infrastructure and Engineering teams to deliver the best possible experience to customers at scale. Working directly with our most strategic Customers, you will be crucial to the success of the most innovative, disruptive, and high-scale AI solutions being built with the OpenAI API platform. The nature of this role will be low volume, high difficulty.

Mistral AI

Mistral AI is seeking an Applied AI Engineer focused on DevOps to help customers adopt our AI products and solve complex technical challenges. In this role, you will apply your problem-solving abilities, creativity, and technical skills to assist organizations in leveraging AI for significant impact. You will gain unique insights and contribute to critical global industries and institutions. Your responsibilities will resemble those of a startup CTO, working in small teams to own the end-to-end execution of high-stakes projects, which may involve discussing architecture, managing large-scale data, coding applications, engaging with customer executives, and strategizing for the Applied Engineering team.

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 make a significant difference. We are a dynamic, collaborative team passionate about AI and its potential to transform society. Our diverse workforce thrives in competitive environments and is committed to driving innovation. Join us to be part of a pioneering company shaping the future of AI.

Mistral AI

Mistral AI is seeking an AI Deployment Strategist to drive the adoption and deployment of our AI solutions. This role involves working closely with customers from strategic vision to production implementation, sitting at the intersection of business strategy, AI innovation, and hands-on deployment. You will partner with senior executives to design AI roadmaps, collaborate with the Applied AI team to deliver solutions in production, and ensure seamless transitions from presales to postsales, directly contributing to customer success by bridging the gap between strategy and execution. This role is ideal for individuals who thrive in a fast-paced environment, enjoy solving complex business challenges, and are passionate about turning AI potential into real-world impact.

Cartesia is seeking an Inference Engineer to advance its mission of building real-time multimodal intelligence. This role involves designing and building a low-latency, scalable, and reliable model inference and serving stack for cutting-edge foundation models. You will collaborate closely with research and product engineering teams to serve products efficiently and reliably, and design robust inference infrastructure with monitoring. This position offers significant autonomy to shape products and influence how AI is applied across various devices and applications.

Cohere

Cohere is seeking a Senior Member of Technical Staff focused on Multimodal AI to join their cutting-edge enterprise AI company. This role involves designing and developing advanced multimodal AI systems that integrate text, speech, and vision, pushing the boundaries of what's possible in AI. You will have access to exceptional compute resources and collaborate with world-class teams to innovate and shape the future of AI. The position is ideal for individuals passionate about machine learning and its real-world applications, who enjoy optimizing large models and thrive in a fast-paced, technically challenging environment.

Mistral AI

Mistral AI is seeking experienced and highly motivated Technical Program Managers (TPMs) to join our Engineering organization and drive the delivery of high-impact technical projects. In this role, you will plan, execute, and oversee complex programs aligned with our strategic goals. Success requires a combination of technical expertise, project management excellence, hands-on engagement, and strong cross-functional leadership to ensure projects are delivered on time, within budget, and to the highest standards. The TPM role spans multiple critical areas of program management, including functional/technical support, engineering operations, customer programs, and release & portfolio management. You will collaborate with teams to refine roadmaps, organize delivery, track projects, identify dependencies, and proactively manage blockers, while also driving efficiency through process automation and partnering with key enterprise customers for deployments.