Python Jobs

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, guiding their journey from pre-sales discovery and solution evaluation through deployment, adoption, and measurable business impact. You will own the technical account plan across various OpenAI solutions, translating business priorities into a focused use-case portfolio and an actionable adoption roadmap. You will remain accountable for the technical outcome, coordinating specialists for deeper expertise and execution where needed, requiring strong industry fluency, sound architectural judgment, and the ability to navigate executive strategy and hands-on technical conversations.

LangChain is seeking a Fullstack Engineer to join the LangSmith team, focusing on our commercial AI observability and evaluation platform. In this role, you will build new features and functionality, collaborating closely with enterprise customers, developer end-users, and internal stakeholders. You will have the opportunity to shape the product and contribute to making intelligent agents ubiquitous.

$145k - $180k

We are seeking engineers to develop open-source libraries that enable customers to observe, understand, and optimize AI operations within their production applications. These SDKs are fundamental to Braintrust's platform, powering evaluation and observability pipelines across diverse environments, frameworks, and AI providers. This role is perfect for engineers who are passionate about developer experience, API design, and building fast, reliable, and idiomatic libraries. You will manage the entire SDK lifecycle, from design and implementation to release, documentation, and community support. Your contributions will be integrated into thousands of applications, shaping the adoption and operationalization of AI across industries.

Replit

As an Enterprise/Strategic Field Engineer, you will be the technical expert for Replit's largest and most strategic accounts. This hybrid role involves high-impact pre-sales activities, such as closing complex technical evaluations, and post-sales responsibilities, including driving adoption, expansion, and retention. You will own the complete technical relationship, from initial architecture discussions through multi-year growth, ensuring customers fully leverage Replit and become Replit-powered organizations. You will collaborate closely with Account Executives and Account Managers in a high-accountability Pod structure, acting as a proactive, strategic technical leader to anticipate and resolve issues, champion new use cases, and significantly influence annual recurring revenue.

OpenAI

We are seeking a self-starter full-stack engineer to join our fast-moving People Innovation Labs team. This role is ideal for individuals deeply curious about culture, recruiting, and people development, who want to understand and influence everything from business strategy to the code that drives it. You will collaborate with members of the People Team and leaders across the company to build software solutions for HR, culture, and recruiting from the ground up, while also exploring innovative applications of LLMs in these domains.

OpenAI

As a Data Scientist on the Infra team, you will play a key role in shaping how we scale the infrastructure that powers OpenAI’s products and research. This is critical as we operate one of the largest and most advanced compute fleets in the world, supporting millions of users and businesses globally. You will guide the definition of foundational datasets for infrastructure resources, develop metrics that inform key decisions, build forecasting and optimization models, and establish source of truth dashboards and analyses that enable teams to understand and improve infra usage. You will be a core partner to engineering, research, and product teams in shaping the infrastructure that powers everything OpenAI builds.

OpenAI

As a Security Engineer on the Agent Security Team, you will be at the forefront of securing OpenAI’s cutting-edge agentic AI systems. Your role will involve designing and implementing robust security frameworks, policies, and controls to safeguard OpenAI’s critical assets and ensure the safe deployment of agentic systems. You will develop comprehensive threat models, partner tightly with our Agent Infrastructure group to fortify the platforms that power OpenAI’s most advanced agentic systems, and lead efforts to enhance safety monitoring pipelines at scale. We are looking for a versatile engineer who thrives in ambiguity and can make meaningful contributions from day one, prepared to ship solutions quickly while maintaining a high standard of quality and security. You will need to bring expertise in securing complex systems and designing robust isolation strategies for emerging AI technologies, all while being mindful of usability, and communicate effectively across various teams and functions.

Hebbia is seeking an Applied Research Engineer to bridge the gap between research, industry, and application, shaping the future of our core natural language processing systems. This role is pivotal in enabling agentic capabilities across the Hebbia product suite. You will own experiments and proof-of-concepts focused on combining the latest research findings with high-value customer problems. Leveraging deep relationships with foundation model providers, you will partner to beta test models, experiment with new features, and develop guidance on relative model strengths. The ideal candidate excels at both running experiments with novel LLM techniques and building production-grade, LLM-enabled software systems, embedding directly within the software development lifecycle.

$160k - $300k

Hebbia is seeking a Backend Engineer to join the Agent Collaboration Platform team. This team builds interactive tools for AI agents, including a generative spreadsheet that coordinates complex agentic workflows. The role involves blending expertise in systems, application layer software, and data modeling to create highly efficient software solutions. You will integrate product experience with powerful distributed systems and contribute to Hebbia's technical edge through elegant software design and sophisticated integrations. We value engineers who are fast-moving, accountable for quality, and detail-oriented.

$160k - $350k

Hebbia is building the AI platform for investors and bankers that generates alpha and drives upside. Our flagship product, Matrix, delivers industry-leading accuracy, speed, and transparency in AI-driven analysis, trusted to help manage over $30 trillion in assets globally. The Agents team builds everything from core document understanding capabilities to co-piloting experiences for Matrix and deep, multi-source research, utilizing custom agentic frameworks powered by distributed systems built for scale. We aim to build steerable, reliable, and explainable agentic systems for the scale of data our customers bring to the table, creating a product that becomes indispensable and delightful. A backend engineer at Hebbia blends expertise in systems, application layer software, and data modeling to build highly efficient software solutions. You will be responsible for leveraging the latest software and agentic solutions and integrating product experience with powerful distributed systems. You’ll help protect Hebbia’s technical edge via elegant software design, efficient data communication, and sophisticated integrations. We value engineers who move fast, hold themselves accountable to quality, and are detail-oriented.

$160k - $350k

Hebbia is seeking a Backend Software Engineer to join the Growth and Data team. This role is crucial for building and maintaining the backend systems that power user engagement and the expansion of Hebbia's AI platform for investors and bankers. You will be responsible for architecting and implementing robust APIs, services, and infrastructure to deliver tailored, high-value customer experiences, including personalized data views and powerful integrations. Collaborating with product, design, and frontend teams, you will own core backend features from conception to deployment, ensuring scalability, reliability, and performance. Your contributions will directly impact customer success and drive the adoption and growth of the Hebbia platform.

$160k - $350k

Hebbia is building an AI platform for investors and bankers to generate alpha and drive upside. Our flagship product, Matrix, delivers industry-leading accuracy, speed, and transparency in AI-driven analysis, trusted to help manage over $30 trillion in assets globally. The Document Intelligence team focuses on developing cutting-edge AI solutions for discovering and interacting with billions of documents, enabling intelligent exploration, powerful search, and deep insights extraction. We aim to empower users by transforming vast document repositories into actionable intelligence.

$160k - $350k

Clay is seeking an Engineering Manager to lead and grow a high-performing engineering team as the company scales through rapid growth. This role involves taking ownership of the team's mission and objectives, ensuring the delivery of high-quality solutions to critical challenges. The manager will foster an engaged, motivated, and collaborative team culture, supporting the professional development of each team member. Collaboration with product, design, support, and other engineering teams will be key to scaling and improving the product, with ample opportunities to tackle interesting problems and technical challenges.

OpenAI

OpenAI is seeking a researcher passionate about understanding deep networks, with a strong background in engineering, quantitative reasoning, and the research process. You will develop and carry out a research plan in mechanistic interpretability, in close collaboration with a highly motivated team. You will play a critical role in helping OpenAI ensure future models remain safe even as they grow in capability. This will make a significant impact on our goal of building and deploying safe AGI.

Cohere

Cohere is seeking a Member of Technical Staff to focus on post-training of AI models. This role is crucial for advancing the state of the art in model post-training and shipping cutting-edge models to production, bridging the gap between research and practical application. You will have access to significant compute resources and a talented team to contribute to increasing model capabilities and driving customer value. The position offers a unique opportunity to contribute to both production code and research efforts, depending on your interests and organizational needs.

We are seeking an early engineer to join our Physical AI security platform team. This platform is powered by AI agents and supports the development of secure Physical AI and Vehicle Intelligence platforms, spanning the full product lifecycle. You will have significant influence over the direction and implementation of the system. The role involves building agentic security workflows for threat modeling, cyber risk analysis, threat detection, and investigation, as well as developing AI risk engines, intelligent intrusion detection, and security testing simulation engines.

$60k - $300k

LlamaIndex is seeking an experienced backend engineer to join their application platform team. This role will focus on building new features and scaling ingestion and AI systems for a rapidly growing company backed by Greylock. You will have significant opportunities for growth and ownership as you contribute to the next phase of the company's expansion, working on innovative AI products that redefine knowledge access and utilization.

Mistral AI

Mistral AI is a company dedicated to democratizing AI through high-performance, open-source models and products. We aim to integrate AI seamlessly into daily life, offering solutions for enterprise needs in both on-premises and cloud environments. Our team is dynamic, collaborative, and passionate about AI's potential to transform society. We are looking for individuals who are creative, team-spirited, and eager to drive innovation in a competitive environment. Join us to shape the future of AI and make a meaningful impact.

Crusoe is seeking a Staff Product Security Engineer with deep AI/ML security expertise to enhance the company's security posture across applications, infrastructure, and distributed AI systems. This is a highly technical role focused on advanced penetration testing, AI/ML attack surface research, and developing secure-by-design guardrails for engineering teams. The role operates at the intersection of offensive security, AI systems, and production engineering, with end-to-end ownership of security outcomes and influence over system design across the organization.

$250k - $285k

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.