Python Jobs

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. Our healthcare agents are transforming patient interactions by handling sensitive conversations, from explaining benefits to resolving billing questions with empathy. We partner with leading health plans, providers, and healthcare platforms to deliver AI agents that make care more accessible, human, and affordable. Join us to transform the patient experience across the healthcare system.

Cohere

Cohere is seeking a Senior Product Security Engineer to join their North Security team. This is a hands-on engineering role focused on securing AI-powered products for enterprises handling sensitive data. You will work closely with product engineers to review architecture and code, perform threat modeling, conduct hands-on testing, and develop scalable security guardrails. The goal is to identify and mitigate risks specific to AI systems, such as prompt injection, unsafe tool use, and data exposure, and to translate learnings into reusable security defaults for other teams. You will also be responsible for strengthening the security capabilities of engineering teams through guidance and collaboration.

OpenAI

OpenAI's Applied AI Engineering team empowers organizations to leverage frontier AI capabilities, specifically Codex, to enhance the software development lifecycle. As an Applied AI Engineer focused on Codex, you will partner directly with leading engineering organizations to design, build, and deploy AI systems that transform how software is developed. This involves combining deep technical judgment, hands-on engineering, and customer leadership to guide ambitious ideas from concept through production and scaled adoption. You will work alongside engineering teams to build advanced AI coding workflows, integrations, and evaluation systems, often using Codex itself in the development process. Your role will be crucial in helping customers make informed technical decisions regarding model behavior, agentic workflows, developer environments, security, reliability, and operational readiness, ensuring measurable improvements in engineering productivity and software delivery.

LangChain is seeking an Engineering Manager to lead the team responsible for building LangSmith, our observability and evaluation platform for LLM applications. This role involves defining the technical direction, nurturing a world-class engineering team, and collaborating with product and design to deliver features that empower developers to build and deploy trustworthy AI systems with confidence. You will play a key part in shaping the future of AI observability at production scale and contribute to a company that is making intelligent agents ubiquitous.

$200k - $240k

We are seeking a technically proficient Customer Success Manager to guide our API customers and help shape our support as the business expands. You will manage a portfolio of clients, understand their development goals, and assist them in transitioning from evaluation to production and wider adoption. In addition to managing your accounts, you will spearhead initiatives such as product and endpoint migrations, customer enablement, and communications for product updates and incidents. You will collaborate directly with customers building AI products and the engineers who develop the APIs they rely on. As an early team member, you will play a key role in defining our customer success programs and integrating customer insights into product development decisions.

LangChain is seeking a Software Engineer to join its Infrastructure team, focusing on enhancing developer productivity across its LangGraph Cloud/Platform and LangSmith products. This role involves close collaboration with Infrastructure, Backend, and Frontend teams to ensure confident deployment of services, APIs, and UI flows. A key aspect of this position will be pioneering quality practices specifically for LLM applications, including prompt regression testing and comprehensive evaluation suites. The ideal candidate will contribute to building and maintaining the systems that power LangChain's developer platform, emphasizing reliability, scalability, and overall developer efficiency.

$175k - $240k

OpenAI

We are seeking a driven solutions leader with a product mindset to join our founding Partner Applied AI team. In this role, you will own the technical engagement with our systems integrators and their strategic customers, ensuring they achieve tangible business value with Generative AI. You will help partners identify high-value use cases and provide technical enablement through the implementation of AI solutions, accelerating their time to unlock distribution and adoption. You will collaborate closely with Sales, Solutions Engineering, Applied Research, and Product teams.

Perplexity is building the foundations for agentic AI, transforming knowledge into action for millions of users. The Agent Capabilities team is at the forefront of AI research and product innovation, responsible for translating frontier AI breakthroughs into reusable product capabilities. This role offers broad ownership at the intersection of AI research, agent systems, platform engineering, and product innovation, allowing you to evaluate emerging models, identify user value, and build reliable, scalable experiences for users and agents.

Anthropic

As an AI Engineer on the GTM Claudification team, you will build the agents and AI systems that power Anthropic's go-to-market operations. This senior role involves taking existing seller-facing agents to the next level by building autonomous agents capable of managing complete motions across inbound, outbound, and pipeline management. You will also develop evaluation frameworks to ensure these agents are ready for customer-facing work and deliver tangible value. Working closely with sellers, RevOps, and platform engineering, you will own projects from initial prototyping through production, integrating full-stack engineering with hands-on evaluation and architecting shared platforms for the go-to-market organization.

Anthropic

Anthropic is building reliable, interpretable, and steerable AI systems to be safe and beneficial for users and society. The Security Engineering team is dedicated to safeguarding these AI systems and maintaining user trust. This involves developing critical security infrastructure, establishing secure development practices, and collaborating with research and product teams to operate as a world-class security organization.

Cloudflare is seeking a Customer Engineer (CE) to drive their technical go-to-market strategy. In this role, you will act as a trusted technical advisor and architect for the customer journey, bridging the gap between technical strategy and business value. You will guide enterprise clients through pre-sales technical validation, onboarding, deployment architecture, and full lifecycle expansion. As a quota-carrying technologist, you will leverage AI-augmented workflows to eliminate administrative tasks, allowing you to focus on high-value architectural design and driving measurable business outcomes.

$20k - $50k

Mercor is a leading AI data company building the layer between human expertise and frontier models. We are seeking a foundational hire for our new Data Platform team to own the infrastructure that every data-driven team at Mercor runs on, including Snowflake, Fivetran, Airflow, and Hex. This role is crucial in setting the standards for data organization, access control, cost management, and operational reliability. You will work alongside researchers, operators, and AI companies at the forefront of shaping AI systems.

Cloudflare is seeking a Senior Response Engineer to join its Managed Defense Center (CMDC). This role is for a network security expert who excels at investigating routing protocols, defending edge networks, and forming strategic technical partnerships. You will be responsible for designing responses to complex infrastructure threats across various OSI layers, ensuring global customers are protected from large-scale DDoS attacks and unusual network activity. You will act as a key technical advisor, providing advanced support and strategic intelligence for Cloudflare's most critical customer environments. This involves a deep understanding of infrastructure protection, including BGP routing, network protection services, DDoS mitigation, firewall configurations, and connectivity troubleshooting.

Harvey

Harvey is transforming legal and professional services by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. We are seeking a Staff or Senior Staff Software Engineer to join our Product Engineering team. This role offers a unique opportunity to lead engineering projects across multiple product lines, working closely with AI, Legal, and Go-to-Market teams to build secure, value-driven customer systems. You will contribute to both the user-facing applications and the underlying agentic capabilities that power our genAI products, shaping the future of application layer and generative AI solutions.

$231k - $340k

Harvey

Harvey is transforming legal and professional services by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. We are seeking a Staff or Senior Staff Software Engineer for our Product Engineering team to own and lead engineering projects across multiple teams and product lines. You will collaborate closely with AI, Legal, and Go-to-Market teams to build secure, value-driven systems. This role offers a unique opportunity to build the future of application layer and generative AI products, including user-facing interfaces and the underlying agentic capabilities that power them.

$231k - $340k

Runpod is seeking a Senior Storage Engineer to join their remote-first Infrastructure team. This role is critical to the AI Developer Cloud, focusing on the design, scaling, and reliability of Runpod's multi-region storage ecosystem, which includes network volumes, local NVMe, and S3-compatible object storage. You will be responsible for implementing and maintaining distributed storage deployments, writing code and automation to manage them, and contributing to strategic decisions about future storage systems. This hands-on position requires a deep understanding of storage internals, performance tuning, and a proactive approach to problem-solving and continuous improvement, directly impacting the performance and reliability of AI workloads for over a million developers.

$180k - $260k

OpenAI

OpenAI's Forward Deployed Engineering team is seeking a senior Physical Design Engineer to partner with leading semiconductor companies. This role focuses on deploying AI systems across the chip design lifecycle, from design to physical design. Initially, you will serve as the team's subject matter expert in physical design, advising on backend implementation, testing AI-assisted solutions, and improving customer-facing technical work. Over time, the role will expand to encompass broader Forward Deployed Engineering responsibilities, including direct customer partnerships, shaping deployment strategies, building AI systems, and driving technical workstreams.

Replit

As a New Grad Software Engineer, you will join a team of exceptional builders working on products that are reshaping how the world creates software. You'll have the opportunity to work on everything from our AI-powered development platform to the distributed systems that enable real-time collaboration for millions of developers. This is a chance to define your career while defining the future of software development. You'll work on problems that matter, with the autonomy to drive solutions and the support to grow into a technical leader.

Braintrust is seeking Developer Support Engineers, both mid-level and senior, who are passionate about helping developers overcome technical challenges and achieve their goals. In this role, you will troubleshoot issues, identify workarounds, implement fixes, and document your findings to accelerate the progress of other developers. This position combines technical problem-solving, empathy for developers, and close collaboration with Engineering, Solutions, and Product teams. If you excel at resolving complex problems, articulating technical concepts clearly, and improving the developer experience, we encourage you to apply. This role is based remotely in London.

Anthropic

As a member of the Applied AI team, you will be a technical Product Engineer focused on becoming a trusted technical advisor to Digital Native Businesses adopting the Claude API into their core products. You will work closely with customer product and engineering teams as they ship new products powered by Claude, advising on architecture design decisions, developing evaluation frameworks, and guiding customers through cutting-edge LLM implementation patterns. You will combine deep engineering expertise with customer-facing skills to help customers unlock the full potential of Claude APIs and move their products closer to the frontier, while maintaining high standards for safety and reliability.