Python Jobs

Cohere

Cohere is seeking a senior engineer to join our team, focusing on the practical challenges of deploying AI systems at scale in production environments. This hands-on, engineering-driven role involves working with frontier AI models, building scalable solutions, and bridging research concepts with real-world implementations. You will contribute to both engineering and research efforts, designing and writing high-performing software for model training, developing new tools to support LLM research, and collaborating with various engineering and scientific teams. We provide access to world-class compute resources, data, and talent to enable you to do your best work.

OpenAI

OpenAI is seeking Machine Learning Engineers to join its API Multicloud team, focusing on extending OpenAI's API platform into strategic cloud environments, starting with AWS. This role involves building and improving AI systems that help strategic partners adapt OpenAI models for cloud-native use cases. You will operate at the intersection of production ML systems, developer platforms, model behavior, and large-scale infrastructure, spanning post-training workflows, evaluation, data pipelines, and API/infrastructure integration. The ideal candidate will enjoy working with external technical partners, diagnosing issues, and translating learnings into platform improvements, collaborating closely with Research, Applied, Safety Systems, and infrastructure teams.

OpenAI

OpenAI's Forward Deployed Engineering team partners with customers to turn research breakthroughs into production systems, operating at the intersection of customer delivery and core platform development. As a Forward Deployed Engineer (FDE), you will lead complex, end-to-end deployments of frontier models in production alongside our most strategic customers. You will own discovery, technical scoping, system design, build, and production rollout, partnering directly with customer engineering and domain teams. Success will be measured through production adoption, measurable workflow impact, and feedback that influences product and model roadmaps. You will collaborate closely with Product, Research, Partnerships, GRC, Security, and GTM teams.

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 will be a hands-on problem solver, comfortable working independently, and will play a crucial role in maintaining the health and scalability of Crusoe's rapidly expanding GPU fleet.

$250k - $300k

Crusoe is seeking a highly skilled and motivated Software Engineer to join its 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 will be a hands-on problem solver, comfortable working independently, and will play a crucial role in maintaining the health and scalability of Crusoe's rapidly expanding GPU fleet.

$215k - $260k

Applied Intuition is seeking a performance engineer to specialize in making large-scale machine learning workloads fast and cost-efficient within the datacenter. This role focuses on optimizing distributed training runs across multiple nodes and high-throughput batch inference for processing vast amounts of real-world autonomy logs. The primary goal is to improve throughput, cluster efficiency, and reduce cost per unit of data processed, directly impacting the company's iteration speed. You will be responsible for identifying and resolving performance bottlenecks across the entire stack, from accelerators to ML frameworks and data infrastructure, working collaboratively with various engineering teams to achieve significant improvements in training time and processing costs.

$60k - $300k

Replit

Replit is seeking a Premium Support Engineer to join our team in Tokyo. In this role, you will be the primary point of contact for our most valuable customers, providing expert and timely technical support for complex product issues. You will guide customers through critical incidents, ensuring high standards of quality and speed in every interaction. This position requires a blend of deep technical troubleshooting skills and calm, confident communication to keep builders productive, whether they are enterprise teams or top-tier developers.

OpenAI

OpenAI is seeking a senior Machine Learning Data Scientist to lead forecasting initiatives within the Strategic Finance team. This role involves building and scaling robust, interpretable, and production-ready forecasting systems to predict key business metrics like user growth, revenue, and compute consumption. You will be a founding member of the Forecasting pillar, collaborating closely with product managers, researchers, engineers, and finance leaders to operationalize insights, influence company strategy, and build foundational forecasting capabilities. This is a highly cross-functional position requiring technical excellence, product intuition, and business acumen.

Harvey

Harvey is transforming how legal and professional services operate by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. As we scale rapidly and take on increasingly complex use cases, we’re expanding our product engineering team to accelerate our ability to ship fast, delight users, and build infrastructure that scales with us. As a Senior Engineering Manager for Product Engineering, you’ll lead teams of backend engineers building the core product surfaces that lawyers and legal professionals use every day. This role is equal parts product intuition and technical execution, where you’ll be trusted to make fast, high-quality decisions, ship impactful features, and grow a team that embodies engineering excellence.

Baseten is seeking an AI Developer Productivity Engineer to build the internal platform that empowers engineers to work in an AI-first manner. This role involves creating the agent configurations, tooling, and evaluation frameworks that make AI agents competent and easy to use within our codebase. You will be responsible for making the "good path" for AI adoption the easiest path, focusing on shipping infrastructure and measuring its impact. The goal is to enable teams to adopt these AI tools because they are superior to self-assembled solutions, not due to mandates. You will write the playbook for an AI-first Software Development Lifecycle (SDLC) at Baseten, driving adoption through excellent developer experience, clear documentation, and low friction.

Mercor is seeking a Full Stack Software Engineer to join their Agent Platform team. This role is central to Mercor's mission of organizing human intelligence to power the AI economy. You will own the end-to-end development of the agent platform, which serves as both an internal workbench and an external storefront for building, running, and showcasing AI agents. This platform is critical for enabling hundreds of internal users and dozens of enterprise clients, requiring a strong focus on both engineering craft and product impact, ensuring scalable, reliable systems and intuitive interfaces.

OpenAI

OpenAI for Financial Services is seeking backend engineers to build the systems that make advanced AI useful, reliable, and trustworthy in financial services. You will develop data systems, agentic workflows, and enterprise integrations for our products, and help deploy them at major financial institutions. This is a product-focused role with significant ownership, allowing you to shape new products from inception, engage directly with customers to understand their needs, and collaborate across OpenAI to transform model capabilities into trusted products for high-stakes professional work.

OpenAI

We are seeking an exceptionally experienced, hands-on full-stack engineer to define and build the next generation of AI-powered enterprise workflows within the Technology vertical. This role involves tackling ambiguous problems, translating customer needs into product direction, designing systems, and writing production-quality code across the entire stack. You will own the technical direction and end-to-end delivery of products, making foundational architecture and product tradeoffs, establishing patterns for other engineers, and ensuring high standards for reliability, security, observability, and customer value. This is an individual-contributor role focused on technical judgment, direct execution, and influence, requiring comfort with customer interaction, setting direction with partners, debugging production issues, and staying close to the code.

Cohere

Cohere is a leading enterprise AI company building cutting-edge foundation AI models and end-to-end products. The North Tools & Retrieval team is responsible for how users bring their data into the platform and put it to work. This includes owning systems for uploading, organizing, and sharing files and knowledge bases, the framework for extending agents with skills and third-party integrations, and the data-sync pipeline connecting enterprise data sources to North's agents. We are seeking a senior generalist who can operate across both backend and frontend development to own features end-to-end, from API design and database schema to the user-facing frontend.

Baseten is seeking talented and experienced Software Engineers to join our Observability team within the Infrastructure organization. As an early member of this team, you will be pivotal in building and shaping the observability experience for our internal and external customers, directly impacting the reliability and operational excellence of Baseten's product systems. As Baseten scales its infrastructure across different cloud providers and diverse hardware, the volume and complexity of operational data is growing significantly. This team is responsible for building high-throughput ingest pipelines, cost-efficient storage, and agentic diagnostic tools to ensure that issues can be detected, diagnosed, and resolved rapidly, even as the systems become more complex.

Mercor is seeking a Member of Technical Staff for their Deeptune Environments team. This role involves building the core systems that power high-fidelity simulation environments for training AI agents through reinforcement learning. You will develop the APIs and tool interfaces agents interact with, the grading layer for evaluating agent success, pipelines for transforming human demonstrations into training environments, and the orchestration and sandboxing infrastructure for large-scale operation. You will collaborate closely with RL researchers, translating their ideas into functional, scalable systems, and will be responsible for the end-to-end development of these critical components.

OpenAI

We are seeking exceptional researchers to push the frontier of safety mitigations for increasingly capable AI models. You will help derisk frontier models by developing novel safety mitigations and applying new techniques from domains like interpretability, control, and alignment. This role is critical in defining the future of safe AI systems at OpenAI and significantly impacting our mission to build and deploy safe AGI. The position requires strong technical depth and close cross-functional collaboration to ensure safety mitigations are enforceable, scalable, and effective, partnering with experts across misalignment, cybersecurity, and biology to develop a comprehensive safety stack.

Runpod is seeking a Developer Relations Engineer to join their remote-first team. This role is crucial for building trust with developers by helping them succeed with Runpod's AI Developer Cloud. You will act as 'customer zero,' using the platform as developers do, and translating that experience into valuable content, tools, and advocacy. This position offers significant ownership, allowing you to shape developer resources, identify and build solutions for onboarding issues, and directly influence Runpod's expansion by accelerating developer adoption and reducing obstacles.

$125k - $180k

Enterprise Foundations is responsible for building the core capabilities that large enterprises require to operate their business on the Fireworks platform. This involves addressing complex needs related to organizational structure, user access control, usage metering, billing, data security, and deployment within customer-owned cloud environments. The role offers end-to-end ownership of features, starting from customer conversations, evolving into changes in core data models and APIs, and extending through the control plane, training and inference stacks, SDK, CLI, and console. The work is foundational, often involving new primitives that impact other teams' code and must be rolled out to production without disruption. This position is closely tied to revenue, with requirements stemming directly from enterprise deals and customer interactions, offering a unique opportunity to influence product direction and build solutions for scaled companies.

Mercor is seeking its first GTM Engineer to join their team at the intersection of engineering, growth, and marketing. This foundational role involves designing and deploying the infrastructure for Mercor's go-to-market engine from scratch. You will integrate AI agents into customer workflows, build data and tooling for marketing and sales, and transform manual processes into reliable, production-grade systems. The ideal candidate possesses strong technical depth, exceptional business instincts, and the ability to translate go-to-market operational understanding into scalable systems. You should be comfortable with SQL, Python, building AI-powered workflows, and collaborating with marketing and revenue leaders to solve high-leverage operational problems.

$175k - $250k