Find your next AI Engineering role

Reflection ai

Reflection is a research lab dedicated to making intelligence open and accessible for everyone to use, customize, and build on. We are building open models that empower individuals to control their intelligence and shape the future of AI. As a Member of Technical Staff - Evaluations, you will play a critical role in advancing our understanding of model capabilities through rigorous analysis and by building and refining evaluation systems. Your work will create tight feedback loops between data, evaluations, and model behavior, leading to tangible model improvements.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. As an Agent Strategist, you will own the entire lifecycle of Sierra's AI agents, from initial concept to production deployment handling thousands of conversations daily. This role sits at the intersection of product, agent development, and customer engagement, requiring a deep understanding of both technology and user needs. You will transform complex customer problems into effective AI agents that measurably improve business outcomes.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer, Agent to design and deliver production-grade AI agents that are central to Sierra's growth and revenue. These are not prototypes but scalable systems running in production across various industries. You will own the Agent Development Life Cycle (ADLC) from pilot to deployment and iteration, establishing best practices. This role involves partnering directly with leaders at large enterprises and cutting-edge startups to understand their challenges and build AI agents that transform their operations. Your customer interactions will also shape the evolution of Sierra's core platform, influencing new tools, features, and the future of AI agent development.

Cohere

Cohere is seeking a Member of Technical Staff in Data Analysis and Evaluation to ensure the quality, reliability, and performance of our large language models (LLMs). This role involves designing and conducting data collection tasks, assessing dataset quality, and analyzing model robustness and generalisability. You will collaborate with researchers, engineers, and data annotators to drive data-driven decisions and enhance AI system effectiveness. The position requires expertise in statistics, experimental design, and machine learning to ensure high-quality data and reliable model performance across diverse scenarios, contributing to Cohere's mission of advancing AI.

Mistral AI

Mistral AI is seeking a talented and experienced Product Manager to define and execute the strategy for Forge, a product that empowers customers to build, fine-tune, and deploy custom AI models at scale. Forge transforms cutting-edge research into enterprise-ready capabilities by supporting model fine-tuning, reinforcement learning, and post-training workflows. This role operates at the intersection of research and product, enabling customers to train specialized models for real-world business value. You will collaborate closely with applied AI scientists and research engineers to translate frontier techniques into scalable and reliable solutions, shaping a 0-1 product with significant business impact and defining the future of how organizations train and deploy AI models.

Mistral AI

Mistral AI is seeking an experienced negotiator for its Strategic Data & Licensing Partnerships team. This role focuses on sourcing, licensing, and establishing partnerships for high-value content such as books, journals, research papers, academic datasets, and multimedia, crucial for AI training, retrieval-augmented generation (RAG), and distribution. The successful candidate will be responsible for driving the acquisition of premium content, negotiating complex agreements, and cultivating long-term relationships with publishers, universities, research institutions, and data providers. This position requires close collaboration with cross-functional teams to ensure access to quality data aligned with Mistral AI's objectives and to enable innovative data utilization. The ideal candidate is a results-driven negotiator and strategic thinker passionate about AI, academic content, and ethical data practices, with a proven history of closing significant deals in relevant sectors.

Hebbia is seeking an AI Strategist to drive the strategic deployment and measurable value creation of its AI platform across top global financial institutions. This role is not a typical post-sales position; it involves shaping how AI transforms enterprises and requires individuals who can move seamlessly between strategic conversations and hands-on execution. AI Strategists will act as deep domain experts and problem-solvers, bridging product, commercial strategy, and customer impact to maximize ROI and transform how work gets done within client environments. The position is based in our New York City office and requires a 5-day per week in-office presence.

$100k - $175k

Mistral AI

Mistral AI is seeking an AI Deployment Strategist to drive the adoption and deployment of their 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 position 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.

Harvey

Harvey is seeking an Innovation Product Manager to transform how legal and professional services operate by combining frontier agentic AI with an enterprise-grade platform. This role involves working directly with leading law firms and corporate legal teams to translate complex legal work into AI-powered workflows and ensure their successful implementation. You will act as a thought partner, shaping pilots and deployments from discovery to firm-wide rollout, and influencing product direction based on user insights. The position offers a unique opportunity to be at the forefront of defining the future operating model of the legal industry.

$179k - $242k

Mistral AI

Mistral AI is seeking a strategic and execution-driven Product Manager to define and build the future of AI-agent interactions. This role involves designing highly capable agents by ensuring access to the right context and environments, including data, tools, MCP servers, Search Platform, and RAG. It's a highly cross-functional position requiring alignment with engineering, research, design, and business teams to create a scalable platform that empowers agentic capabilities while aligning with Mistral's broader product goals.

Cohere

Cohere is a leading security-first enterprise AI company building cutting-edge foundation AI models and end-to-end products. We are seeking engineers to join our team and contribute to the widespread adoption of AI. This role offers a unique opportunity to shape how enterprises harness the power of AI in real-world applications, acting as a bridge between our core North product and client engineering teams. You will be at the forefront of solving complex problems and securely integrating AI into critical sectors like finance, healthcare, and telecommunications, working with esteemed clients and focusing on Agentic AI.

$20k - $40k

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer, Agent to design and deliver production-grade AI agents that are central to Sierra's growth and revenue. These are not prototypes but scalable systems running in production across various industries. You will own the Agent Development Life Cycle (ADLC) from pilot to deployment and iteration, establishing best practices. This role involves partnering directly with leaders at large enterprises and cutting-edge startups to understand their challenges and build AI agents that transform their operations. Your customer interactions will also shape the evolution of Sierra's core platform, influencing new tools, features, and the future of AI agent development.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer, Agent to design and deliver production-grade AI agents that are central to Sierra's growth and revenue. You will own the entire Agent Development Life Cycle (ADLC), from pilot to deployment and iteration, establishing best practices along the way. This role involves partnering directly with leaders at 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, surfacing unmet needs and prototyping new tools and features in collaboration with research, product, and platform teams.

We are seeking an IT Engineer to manage the employee technology experience within our New York or London office, while also contributing to the scaling of Cognition's global IT operations. This role is the primary IT point of contact for the office, ensuring employees have secure and reliable technology and receive prompt support. The position also involves enhancing IT operations through the development of durable tooling, automation, and AI-enabled workflows to streamline recurring tasks. Ideal candidates will possess in-depth knowledge in two to three IT disciplines and a desire to explore new areas.

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.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer, Agent to design and deliver production-grade AI agents that are central to Sierra's growth. You will own the Agent Development Life Cycle (ADLC) from pilot to iteration, building, tuning, and evolving AI agents in production environments. This role involves partnering directly with large enterprises and cutting-edge startups to understand their business challenges and build AI agents that transform their operations. Your work will also influence the evolution of Sierra's core platform, surfacing unmet needs and prototyping new tools and features in collaboration with research, product, and platform teams.

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences with AI. We are seeking a Product Manager, Agent Development to partner directly with engineers and customers to build and ship AI agents capable of handling thousands of daily customer conversations. This role involves engaging with customers at all levels to understand their requirements, demonstrate Sierra's agent capabilities, and address technical challenges. You will also develop and improve virtual agents to meet customer needs and drive strategic technical initiatives, while shaping the product roadmap by collaborating with engineering and product development teams on new features.

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences with AI. We are seeking a Product Manager to join our team and focus on developing enterprise-grade AI agents. This role involves 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 to understand their requirements, demonstrate Sierra's agent capabilities, and address technical challenges. A key part of this role is shaping the product roadmap by collaborating with engineering and product development teams to implement new features that drive customer success.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. As an Agent Strategist, you will own the entire lifecycle of Sierra's AI agents, from initial concept and design to production deployment and ongoing iteration. You will work at the intersection of product development, agent building, and customer engagement, staying closely connected to both the technology and the people you serve. Your role involves transforming complex customer challenges into effective AI agents that deliver measurable business impact. You will be a trusted strategic advisor to enterprise leaders, understanding their business objectives and shaping AI strategies to achieve them, while also partnering closely with customer teams on a day-to-day basis to ensure successful agent implementation and performance.

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

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

Mistral AI

Mistral AI is seeking early-career software engineers, including new graduates or those with up to 1-2 years of experience, to join their software engineering teams. In this role, you will contribute to building and enhancing the core systems that power Mistral's products, such as AI Studio and Applications, as well as supporting operations like SRE, data, and security. You will play a key part in shaping how users and developers interact with the AI platform at scale, working closely with experienced engineers who will mentor and support your growth. This is an opportunity for enthusiastic graduates to learn, collaborate, and deliver impactful products in a fast-paced environment.

Perplexity is looking for a hands-on Software Engineer to develop and enhance the software, automations, and systems that support our security operations. This role involves engineering security tools and internal AI-driven agents to improve detection, response, vulnerability management, and the overall security posture of our products and infrastructure.

Harvey

Harvey is transforming legal and professional services by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. We are a fast-scaling company with strong product-market fit, seeking ambitious individuals to help build a generational company. Our team operates with intensity, ownership, and a commitment to our mission, valuing decisiveness, simplicity, and continuous improvement. As a Software Engineer on the Site Reliability team, you will ensure the reliability, scalability, and performance of our legal AI platform, owning the systems that keep our platform fast, secure, and always on. Your work will be crucial in maintaining platform resilience as we grow across 50+ regions.

$200k - $260k

Harvey

Why Harvey At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come. This is a rare chance to help build a generational company at a true inflection point. With 1500+ customers in 60+ countries, strong product-market fit, and world-class investor support, we’re scaling fast and defining a new category in real time. The work is ambitious, the bar is high, and the opportunity for growth — personal, professional, and financial — is unmatched. Our team moves fast, takes ownership, and is deeply committed to the mission — operating with intensity, staying close to our customers, and pushing each other for excellence. We live by three values: Decisiveness, Simplicity, and Job's Not Finished. We act quickly on clear judgment over perfect information, we believe simplicity is what scales, and we're never satisfied with where we are. If you want to do the best work of your career alongside people who share that drive, we'd love to build with you. At Harvey, the future of professional services is being written today — and we’re just getting started. Role Overview As a Staff Software Engineer on the Site Reliability team at Harvey, you will ensure the reliability, scalability, and performance of our legal AI platform. You’ll join a high-leverage team that sits at the intersection of infrastructure and product, owning the systems that keep our platform fast, secure, and always on. From scaling across 50+ regions to automating mission-critical operations, your work will ensure that Harvey remains resilient as we grow. If you’re passionate about building robust systems and reducing complexity through automation, we’d love to work with you.  This role is based in San Francisco, CA. We use an in-person work model and offer relocation assistance to new employees. What You’ll Do - Design, implement, and manage monitoring, alerting, and infrastructure resources (compute, storage, networking) across 50+ global regions - Lead incident management processes, including postmortems, root cause analyses, and driving actionable improvements - Automate operational tasks and workflows, building tools and processes for capacity planning, graceful rollouts, and safe data access to maintain high reliability and reduce manual intervention - Establish best practices for security, compliance, and reliability and collaborate across teams to drive these principles throughout the software lifecycle - Optimize infrastructure costs through strategic capacity planning and build-versus-buy decisions while maintaining system performance, reliability, and functionality - Provide technical mentorship and leadership, promoting best practices and fostering team growth What You Have  - 10+ years of experience in Site Reliability Engineering or similar roles supporting production environments, with proven ability to mentor and guide technical teams - Expertise in infrastructure as code(IaC) tools (Pulumi, Terraform, CloudFormation, etc.) - Deep familiarity with observability tools (Datadog, Sentry, etc.) and incident response practices (PagerDuty, IncidentIO, etc.) - Proficiency with cloud infrastructure platforms (Azure, GCP, AWS, etc.) - Strong programming skills (Python, Bash, Go, or similar languages) - Proven track record of diagnosing complex system problems and implementing durable solutions - Solid understanding of CI/CD, Kubernetes, containerization, networking, databases, and cloud security principles - Excellent problem-solving skills, meticulous attention to detail, and a commitment to operational excellence Compensation Range $238,000 - $290,000 USD Depending on your location, an Applicant Privacy Notice may apply to you. You can find all of our Applicant Privacy Notices [here]. #LI-AN2 Harvey is an equal opportunity employer and does not discriminate on the basis of race, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related condition, or any other basis protected by law. We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made by emailing [email protected]

$238k - $290k

Decagon is seeking a Staff Software Engineer to join the Agent Platform team. This role will focus on designing and building the core systems that govern how Decagon's AI agents operate in production environments. You will own complex, distributed systems responsible for agent execution, model orchestration, and experimentation platforms, ensuring agents are fast, reliable, and continuously improving. This position involves working in a fast-moving, ambiguous space with tight feedback loops, requiring collaboration with Research, Infra, and Product teams to ship improvements safely and at scale. The work directly impacts how agents reason, take actions, and deliver outcomes across millions of interactions.

$200k - $400k

Decagon is seeking a Staff Software Engineer to lead the architecture and evolution of its voice platform. This role involves driving multi-quarter projects to enhance timing, responsiveness, audio quality, and reliability for millions of voice interactions. You will collaborate with research, infrastructure, and product teams to integrate new speech models, push performance boundaries, and introduce new voice capabilities. The position also includes setting engineering standards for voice, mentoring senior engineers, and elevating the technical bar for this critical area of the company.

$200k - $400k

Cohere

Cohere is seeking a Senior ML Systems Engineer to join their team and build, maintain, and evolve the training framework that powers their frontier-scale language models. This role is ideal for someone passionate about large-scale training, distributed systems, and HPC infrastructure, offering the opportunity to design and maintain core components for fast, reliable, and scalable model training. You will also build tooling to connect research ideas to thousands of GPUs, working across the full stack of ML systems with significant autonomy and impact.

Mistral AI

Mistral AI is seeking a Technical Lead, Applied AI to drive the technical strategy, execution, and delivery of complex AI solutions for enterprise customers. In this role, you will lead project teams of Applied AI Engineers, ensuring the successful deployment of Mistral AI products and the development of high-impact, scalable AI use cases. You will act as the primary technical point of contact for strategic customers, guiding them through the entire lifecycle from pre-sales to post-implementation, while collaborating closely with research, product, and engineering teams to shape the future of our offerings. As a Technical Lead, you will bridge the gap between cutting-edge AI research and real-world enterprise applications, ensuring our solutions are robust, scalable, and aligned with both customer needs and Mistral’s technological vision.

Cohere

Cohere is seeking a Senior Machine Learning Engineer specializing in synthetic data to develop and manage the synthetic data pipeline crucial for advanced language models. This role involves end-to-end management of synthetic data, including pipeline optimization, data analysis and generation, and conducting data ablations and model evaluations. You will transform diverse web and code data using generative models to enhance token efficiency and model quality, bridging research and engineering to improve throughput and accelerator utilization. This position is key to Cohere's mission of delivering efficient and reliable language capabilities and driving innovation in natural language processing.

Mistral AI

Mistral AI is seeking a talented Product Manager to define and execute the product strategy for one of the squads within Mistral AI Studio. AI Studio is an enterprise platform designed to enable teams to build, evaluate, and operate AI systems reliably, safely, and at scale. It provides essential infrastructure for enterprises to move from prototypes to production, including full-stack observability, durable agent execution, and a governed AI Registry. As a Product Manager, you will be integrated into a specific squad and will define how enterprises close the loop from prompts to production, managing AI behavior observation, complex AI workflows, asset versioning and governance, and safe deployment across hybrid and self-hosted environments.

Mistral AI

Mistral AI is seeking a strategic and execution-focused Product Manager to define and execute the strategy for Document AI, a primary interface for professionals to engage with our models. Document AI enables enterprise-grade document processing with state-of-the-art OCR and structured data extraction, aiming for faster processing, higher accuracy, and lower costs at scale. This role requires a blend of strategic vision, technical depth, business acumen, and user obsession to build experiences that empower millions of users, from professional consumers to enterprise clients. You will shape the next generation of AI-driven productivity tools, redefining how professionals interact with documents beyond conversational interfaces.

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 integral to the Applied AI Engineering team, driving the successful deployment of Mistral AI products by working hand-in-hand with customers from pre-sale to post-implementation. The engineer will integrate cutting-edge AI models into clients' software products and develop complex use cases, ensuring seamless integration with front-end and back-end interfaces. They will also collaborate with product and science teams to improve product and model capabilities based on customer feedback.

Decagon is seeking a Senior Software Engineer to join the Agent Platform team. This team builds the runtime and model orchestration layer that powers Decagon's AI agents in production, ensuring a reliable, low-latency, and delightful experience for end users. As a Senior Software Engineer, you will design and build the complex, distributed systems at the heart of the agent runtime, including execution frameworks, model orchestration logic, and experimentation platforms. Your work will directly impact how agents reason, take actions, and deliver outcomes across millions of interactions in a fast-moving, ambiguous space with tight feedback loops. You will collaborate closely with Research, Infra, and Product teams to ship improvements safely and at scale.

$200k - $400k

OpenAI

The Fleet team at OpenAI supports the computing environment that powers our cutting-edge research and product development. We oversee large-scale systems that span data centers, GPUs, networking, and more, ensuring high availability, performance, and efficiency. Our work enables OpenAI’s models to operate seamlessly at scale, supporting both internal research and external products like ChatGPT. We prioritize safety, reliability, and responsible AI deployment over unchecked growth. The Software Engineer, Operating Systems & Orchestration will focus on building systems to manage hardware, configurations, vendors, and the people interacting with our infrastructure. You will design and develop solutions that integrate individual nodes and servers into unified clusters, directly contributing to advancing AI research by streamlining the overall research user experience.

Sierra is building a platform to enable companies to create AI-powered customer experiences. We are seeking a Commercial Counsel to join our legal team and play a key role in structuring, negotiating, and advising on a variety of commercial contracts, including SaaS agreements, technology licenses, and vendor agreements. This role offers an opportunity to broaden your expertise into IP, regulatory, and product law within a dynamic, fast-paced startup environment. You will contribute to building a best-in-class commercial legal function, developing efficient processes, and advising on complex contractual issues, particularly those related to AI and evolving regulatory frameworks. We are looking for a collaborative team player with strong judgment, a proactive mindset, and a commitment to excellence.

OpenAI

As an AI Architect, you will be the senior technical owner for a named portfolio of customers, acting as the primary technical counterpart to their leadership teams. You will shape each customer's AI strategy and guide their journey from pre-sales discovery and solution evaluation through deployment, adoption, and measurable business impact. You will own the technical account plan across ChatGPT Enterprise, the OpenAI API, Codex, and other agentic AI solutions, translating business priorities into a focused use-case portfolio and an actionable adoption roadmap. You will remain accountable for the technical outcome while bringing in the right specialists for deeper expertise and execution.

Replit

Replit is seeking a Data Scientist, Product to join their team and redefine how software is built. This role will focus on understanding user behavior and translating those insights into actionable strategies to drive product growth, improve user activation and retention, and contribute to revenue growth across self-serve and enterprise segments. The ideal candidate is a fast-paced, deep-diving data scientist who can quickly generate accurate analyses, rigorously test hypotheses, and leverage AI tools to enhance productivity while maintaining high standards for output quality. You will be instrumental in shaping product strategy and ensuring the success of Replit's mission to make programming accessible and AI-powered.

Replit

Replit is seeking a Design Engineer to bridge the gap between design and engineering. In this role, you will help shape our design system implementation, architect front-end solutions, and ensure seamless user experiences across our platform. You will be instrumental in creating the technical foundation that allows us to enable anyone with an idea to create apps.

Cohere

Cohere is seeking a Member of Technical Staff focused on Sovereign AI to design, build, and scale agentic AI systems for critical use cases. This role involves researching, implementing, and experimenting with novel ideas on supercompute and data infrastructure, with a strong emphasis on executing across the full AI stack to ship products serving the public interest. The position offers a unique opportunity to work with leading researchers and contribute to both production code and cutting-edge research, leveraging extensive compute resources and talent.