Python Jobs

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.

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.

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.

Cohere

Cohere is seeking an Audio Inference Engineer focused on Model Efficiency to join a fast-growing team of researchers and engineers. The mission of this team is to build reliable machine learning systems and optimize audio inference serving efficiency using innovative techniques. As an engineer on this team, you will advance core audio model serving metrics, including latency, throughput, and quality by diving deep into systems, identifying bottlenecks, and delivering creative solutions for audio processing and streaming workloads. You will collaborate closely with both the training and serving infrastructure teams to ensure seamless integration between model development and deployment, with a special focus on real-time and streaming audio inference.

Cohere

Cohere is seeking a Member of Technical Staff focused on Model Efficiency to join a fast-growing team of researchers and engineers. This role is instrumental in pushing the boundaries of LLM inference efficiency, developing techniques to improve model execution in production for lower latency and higher throughput. You will work across the inference stack, identifying bottlenecks and developing optimizations, collaborating with modeling and systems teams to ship meaningful improvements. Opportunities exist to build expertise in advanced performance techniques like GPU/CUDA optimizations and model execution strategies for large-scale architectures.

You will own the core AI systems that power Gamma, focusing on productizing existing foundation models rather than training new ones. This involves optimizing models through prompting, evaluation, and fine-tuning for maximum performance across Gamma's product surface. You will also be responsible for launching new modalities like voice and video, building evaluation infrastructure, and managing uptime, latency, and cost across the AI stack. The role requires close collaboration with engineering and product teams to deliver improvements that impact millions of users. This position is ideal for individuals who enjoy pushing foundation models to their limits and are comfortable with both prompt engineering and production code development, blending these skills to unlock new AI capabilities.

$180k - $300k

As a Software Engineer on the AI Infrastructure team, you will help design the core systems that power Fireworks AI’s generative AI platform. You will build infrastructure and tools that ensure the reliability, performance, quality, and availability of our AI system. Your mission is to make Fireworks AI the most reliable and user-friendly generative AI platform in the world. You will partner closely with our cloud infrastructure, product, and performance teams to deliver infrastructure that bridges the gap between our customers and the ultra-performant proprietary Fireworks inference engine.

Mistral AI

Mistral AI is seeking an Applied AI Engineer to join its customer-facing technical organization. This role involves facilitating customer adoption of Mistral AI products, addressing complex technical challenges, and deploying cutting-edge AI solutions that deliver measurable business impact. You will bridge the gap between AI research and real-world enterprise applications, ensuring solutions are robust, scalable, and aligned with customer needs and Mistral's technological vision. The team operates with a focus on outputs, direct communication, and a low-ego, high-standards environment, embracing an unstructured setting.

Mistral AI

Mistral AI is seeking an AI Deployment Strategist to drive the adoption and deployment of their AI solutions, working closely with customers from strategic vision to production implementation. This role bridges business strategy, AI innovation, and hands-on deployment to ensure customers achieve transformative outcomes. 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.

Mistral AI

Mistral AI is a pioneering company dedicated to democratizing AI through high-performance, optimized, open-source models and cutting-edge products. Our comprehensive AI platform is designed to meet enterprise needs, whether on-premises or in cloud environments, offering solutions like 'le Chat' for enhanced productivity. We are a dynamic, collaborative, and diverse team passionate about AI's potential to transform society, with a global presence 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.

Cognition is seeking an Applied AI Engineer to operationalize AI modernization at the enterprise level, focusing on deploying and integrating AI agents like Devin into engineering workflows. This role involves embedding with customer teams to drive adoption, architecting agentic workflows, and leading interactive programs to demonstrate value and accelerate AI fluency. The ideal candidate will have strong engineering fundamentals, enjoy customer interaction, and be driven by user success and systematic scaling of learnings. As one of the first Applied AI Engineers, you will also play a key role in shaping the function by developing repeatable playbooks and enablement models.

OpenAI

We are seeking Software Engineers to join a nimble team driving the deployment of OpenAI’s technology into new environments and infrastructure that power critical missions in the public sector. You will work cross-functionally with product, security, and compliance teams to build the functionality needed to deliver a scalable, reliable platform. You’ll also partner directly with customers to design and build new products and features that create real-world impact. This role offers both breadth and technical depth, giving you the opportunity to shape the future of OpenAI’s technology where it matters most.

Mistral AI

Mistral is on a mission to democratize AI by producing frontier intelligence for everyone, developed in the open and built by a global team. We are a dynamic, collaborative group passionate about AI's potential to transform society, with a diverse workforce distributed across Europe, the USA, and Asia. We focus on developing models for enterprise and consumers that can change business operations and integrate into daily lives, while also releasing frontier models open-source. We are hiring experts in large language model training and distributed systems to shape the future of AI.

Mistral AI

Mistral AI is seeking an Applied AI Engineer to join their Proto Team, which acts as the technical pre-sales arm of the GTM organization. This role operates at the intersection of product and customer, translating Mistral's AI technology into real-world solutions that deliver value quickly. The engineer will build high-impact, full-stack AI solutions for global customers on short timelines, owning the end-to-end execution from scoping to deployment. This position also involves collaborating with GTM, product, and engineering teams, contributing to internal tools and product improvements, and testing new capabilities to inform product direction. The ideal candidate is a fast-moving, highly curious builder who thrives in complexity and ambiguity, possesses strong problem-solving skills, and has a hacker mindset with deep engineering instincts.

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. This role involves leading project teams of Applied AI Engineers to ensure successful deployment of Mistral AI products and the development of high-impact, scalable AI use cases. You will serve as the primary technical point of contact for strategic customers, guiding them through the entire lifecycle from pre-sales to post-implementation, and collaborating with research, product, and engineering teams to shape future offerings. The position bridges cutting-edge AI research with real-world enterprise applications, ensuring solutions are robust, scalable, and aligned with customer needs and Mistral's vision.

Mistral AI

Mistral AI is a pioneering company dedicated to democratizing AI through high-performance, optimized, open-source models, products, and solutions. We aim to simplify tasks, save time, and enhance learning and creativity by integrating cutting-edge AI into daily working life. Our comprehensive platform serves both enterprise and personal needs, featuring offerings like Le Chat, La Plateforme, Mistral Code, and Mistral Compute. We are a dynamic, collaborative, and diverse team passionate about AI's potential to transform society, driving innovation from our distributed teams across France, USA, UK, Germany, and Singapore. Join us to shape the future of AI and make a meaningful impact.

Mistral AI

Mistral AI is a pioneering company dedicated to democratizing AI through high-performance, optimized, open-source, and cutting-edge models, products, and solutions. Our comprehensive AI platform serves both enterprise and personal needs, offering tools like Le Chat, La Plateforme, Mistral Code, and Mistral Compute to bring frontier intelligence to end-users. We are a dynamic, collaborative, and diverse team passionate about AI's potential to transform society, thriving in competitive environments and committed to driving innovation. Join us to be part of shaping the future of AI and making a meaningful impact.

Reflection ai

Reflection is a research lab dedicated to making intelligence open and accessible for everyone. We build open models that empower individuals to control their intelligence and shape the future of AI. As a Member of Technical Staff - Pre-Training, you will be instrumental in researching and building solutions across algorithms, scaling laws, data processing, optimizers, and model architecture. This role involves designing and executing scientific experiments to deepen our understanding of scaling large language models and data efficiency, while also implementing state-of-the-art deep learning methods. You will have the opportunity to lead small research projects independently and contribute to larger initiatives, optimizing training infrastructure for efficient scaling and working across the entire stack from low-level optimizations to high-level model design.

Rogo is transforming global finance with AI, empowering professionals at top investment firms with unparalleled speed, accuracy, and insight. We are redefining financial workflows and are a rapidly growing, global company with proven product-market fit and strong investor backing. We are scaling quickly and defining a new category of enterprise AI. Our team is sharp, motivated, and deeply committed to our mission, taking ownership of complex problems and focusing on our users. If you thrive in a fast-paced environment and want to help build the future of finance, join us.