Python Jobs

OpenAI

We are hiring a Data Scientist to lead measurement, experimentation, and decision science for B2B marketing demand generation. You will help us understand which marketing investments create incremental demand, qualified pipeline, and revenue and how to scale them efficiently. Our mandate is to build a rigorous, full-funnel view of how B2B marketing creates demand and moves prospects from awareness and engagement to qualified opportunities, closed-won revenue, and expansion. You will shape how we measure marketing impact and influence across channels, campaigns, audiences, and account segments. In this role, you will partner closely with B2B Marketing, Demand Generation, Growth, Sales, RevOps, Finance to connect marketing activity to qualified pipeline, customer acquisition, and efficient revenue growth.

We are an applied AI lab building end-to-end software agents, known for creating Devin, the first AI software engineer. Our team is composed of highly talented individuals with backgrounds in competitive programming and leadership roles at cutting-edge AI companies. We are tackling significant global challenges and developing AI capable of real-world reasoning. This role focuses on the critical 'mid-training' phase, bridging pre-training and post-training to refine raw model capabilities. You will be instrumental in shaping our models' fundamental abilities by owning late-stage training decisions, including data mix and quality, annealing schedules, context length extension, capability injection, and synthetic data strategies.

We are an applied AI lab building end-to-end software agents, and we're the makers of Devin, the first AI software engineer. Our team is extremely talent-dense, with founders from leading AI companies. We are looking for engineers who can own the full product experience, make product decisions, and push through technical challenges to ship high-quality, delightful experiences for developers. This role is for individuals who can identify and close the gap between what exists and what should exist in AI-powered developer tools.

Cognition is an applied AI lab building end-to-end software agents, known for creating Devin, the first AI software engineer, and Windsurf, an AI-native IDE. Our vision is AI that acts as a genuine teammate to engineers. We are a small, talent-dense team with a background in competitive programming, founding startups, and leading AI research from top companies. We are seeking Infrastructure Engineers to build and maintain the critical systems that power our AI products, ensuring reliability, scale, and a seamless developer experience.

$260k - $300k

We are an applied AI lab building end-to-end software agents, notably the first AI software engineer, Devin. Our team comprises top talent from leading AI companies and competitive programming backgrounds. We are tackling some of the most challenging open problems in applied AI, focusing on creating agents that can reason across extensive codebases, coordinate subagents, and reliably use tools for complex, long-horizon tasks. This role is for engineers who want to be at the forefront of AI development, contributing to products used by millions of developers to write, debug, and ship code, and who believe in fundamentally reshaping the future of software engineering.

$260k - $300k

Inflection AI

Inflection AI is seeking a hands-on Principal Engineer to lead the architecture and technical direction of its agentic AI systems. This role involves building production AI agents capable of reasoning, retrieving context, utilizing tools, and safely executing complex workflows. You will drive the design of scalable agent architectures, evaluation frameworks, observability, and reliability systems. Collaborating closely with product, design, and engineering teams, you will transform ambiguous problems into AI-native experiences, mentor senior engineers, and establish technical standards for the next generation of intelligent agents.

LangChain is seeking a Deployed Engineer in Chicago to join their Deployed Engineering team. This role focuses on working directly with companies to build and run AI agents in production, transforming prototypes into reliable systems. You will partner closely with customer engineers throughout the entire lifecycle, from pre-sales evaluations to post-deployment advisory. The position involves co-designing agent architectures, helping customers operate agents at scale using the LangChain suite, and contributing to the product's evolution based on real-world insights. This is a hands-on, highly technical role at the intersection of engineering, product, and go-to-market.

$200k - $250k

OpenAI

We are seeking an exceptional backend software engineer to help define and ship the enterprise capabilities our API Platform needs to scale. This is a product-engineering role grounded in deep backend systems, where you will work across databases, streaming systems, request routing, authentication, and developer-facing APIs. You will bring strong product judgment, developer empathy, and attention to detail to make the platform easier to understand, trust, and operate. In this role, you will lead large cross-functional initiatives, work closely with Product and go-to-market teams, engage directly with sophisticated users, and carry ambiguous needs from discovery through design, launch, and iteration.

Applied Intuition is seeking a Senior Software Engineer to join their Air Combat Autonomy team. This role will focus on designing, developing, and enhancing simulation solutions for testing and training multi-agent autonomy software. You will be responsible for architecting LVC (Live, Virtual, Constructive) systems, creating simulation scenarios, writing interface code, conducting code reviews, and resolving integration issues. The position involves collaboration with cross-functional teams to translate requirements into technical solutions, mentoring junior engineers, and driving continuous innovation through testing, debugging, documentation, and CI/CD pipeline contributions.

$60k - $300k

Cognition is seeking an Applied AI Engineer to operationalize AI modernization at the enterprise level. This role involves deploying AI solutions, specifically integrating agentic workflows into engineering processes to drive measurable productivity gains. As one of the first Applied AI Engineers, you will also play a key role in shaping the function by transforming individual customer engagements into repeatable playbooks and enablement models. The ideal candidate has strong engineering fundamentals, enjoys customer interaction, and is driven by product adoption and user success, with a systematic approach to scaling learnings.

Perplexity is seeking an experienced Product Data Scientist to drive the advancement of search technologies. This role involves identifying strong and sensitive signals from user behavior to enhance the efficiency of A/B experiment data analysis. You will contribute to shaping the product roadmap and accelerating user adoption through data-driven insights, hypothesis validation via A/B testing, and the design of new pipelines for improved ranking quality. This includes discovering new signals, producing metrics, and constructing data labeling pipelines utilizing both human and LLM feedback.

Sarvam is building India's full-stack sovereign AI platform, focusing on research, models, infrastructure, and applications to make AI work for India. This Developer Relations Engineer role is a blend of engineering, content creation, and community engagement, with a primary focus on the code and content aspects. As a Developer Advocate, you will be a developer first, creating demos, integrations, and technical content that showcase the capabilities of Sarvam's models and facilitate their adoption by other developers. Your work will often be the initial touchpoint for developers interacting with Sarvam, requiring a high standard for both code and written communication. A core aspect of this role is empathy, understanding developer frustrations with APIs or documentation, and channeling that insight back to the engineering team to drive improvements.

Decagon is seeking an IT Engineer to join their lean and highly collaborative IT team. This role will be the hands-on IT presence for the San Francisco office, playing a critical role in supporting a fast-scaling global workforce. You will co-own identity and access management, endpoint administration, and SaaS operations, while also working the support queue and solving problems at the root. This position is ideal for someone who enjoys solving problems, improving processes, and leveraging technology to create scalable solutions, contributing to the foundations required for the company's next phase of growth.

$96k - $145k

Decagon is seeking an IT Engineer to join their lean and highly collaborative IT team. This role is crucial for supporting a fast-scaling global workforce and driving automation, security, and operational excellence. The IT Engineer will be the hands-on IT presence for the New York office, co-owning identity and access management, endpoint administration, and SaaS operations. The ideal candidate enjoys solving problems, improving processes, and leveraging technology to create scalable solutions, contributing to the company's next phase of growth.

$95k - $140k

Crusoe is seeking a highly skilled Software Engineer to join their Data Center Infrastructure Engineering team. This role focuses on developing software for managing a fleet of GPU servers and the data centers that house them. The position involves creating and implementing advanced diagnostic, observability, automation, and repair tools for high-performance GPU compute clusters. The ideal candidate is a hands-on problem solver who can work independently and play a critical role in maintaining the health and scalability of Crusoe's rapidly growing GPU fleet.

$170k - $205k

OpenAI

The ChatGPT Learning team is focused on building the next generation of learning experiences within ChatGPT, aiming to evolve the platform into a tool that helps users learn, grow, and make progress over time. This role involves designing and building new product experiences that enable millions of people to learn with ChatGPT, working across the full stack from user interfaces to backend services. You will collaborate closely with researchers and platform teams to integrate cutting-edge AI capabilities into user-facing products, translating AI advancements into everyday learning tools. We are seeking engineers who excel at creating polished product experiences, take ownership, and thrive on solving complex problems at the intersection of AI research and consumer software.

Glean is seeking a Machine Learning Engineer to enhance the quality of its AI Assistant and autonomous agents. This role focuses on production machine learning, LLM-powered systems, and product engineering, with an emphasis on building, evaluating, and refining assistant experiences to be useful, reliable, and grounded in enterprise workflows. The ideal candidate is driven by shipping production systems rather than pure research and is eager to improve Glean's assistant through stronger signals, tighter feedback loops, and better end-to-end execution quality.

$180k - $205k

Glean is seeking engineers to contribute to building the world's premier search and assistant product for the workplace. Our engineers tackle a variety of systems, including query and document understanding, domain-adapted language models, natural language question-answering, and evaluation. You will collaborate closely with customers to understand their challenges and apply the most effective solutions, whether simple or complex.

$140k - $265k

OpenAI

We are seeking a technically proficient, business-minded Applied AI Engineer to help push the frontier of advanced AI with our strategic startup customers. You'll work with some of the most exciting AI startups in the world, guiding them through ideation, development, delivery, and scaling to accelerate and maximize the value of what they build on our platform. You will have the opportunity to work on the most novel and creative use cases being built on our API, serving as a critical partner in collecting and delivering high-fidelity product and model feedback internally. You will collaborate closely with Sales, Solutions Engineering, Applied Research, and Product teams, and you will report to the Startups Applied AI Lead.

Fireworks is seeking a Member of Technical Staff for its Research team to push the boundaries of generative AI. This role involves advancing LLMs and multimodal systems through foundational research, focusing on enhancing model efficiency, accuracy, and scalability to shape high-performance AI infrastructure. You will collaborate with experts in deep learning, distributed systems, and optimization to translate cutting-edge research into practical applications and influence how leading companies build and deploy AI.