Python Jobs

Together AI

Together.ai is building state-of-the-art infrastructure for efficient and scalable inference of large language models (LLMs). The company's mission is to optimize inference frameworks, algorithms, and infrastructure to push the boundaries of performance, scalability, and cost-efficiency. They are seeking an Inference Frameworks and Optimization Engineer to design, develop, and optimize distributed inference engines for multimodal and language models at scale. This role will focus on low-latency, high-throughput inference, GPU/accelerator optimizations, and software-hardware co-design, ensuring efficient large-scale deployment of LLMs and vision models. This position offers a unique opportunity to shape the future of LLM inference infrastructure and ensure scalable, high-performance AI deployment across diverse applications.

$160k - $230k

Together AI

As an AI Infrastructure Engineer at Together, you will be responsible for ensuring the smooth operation of all user-facing services and production systems. This role blends pragmatic operations with software engineering, applying sound engineering principles, operational discipline, and mature automation to our operating environments and codebase. You will specialize in systems (operating systems, storage subsystems, networking), implementing best practices for availability, reliability, and scalability, with varied interests in algorithms and distributed systems. Together AI is a research-driven artificial intelligence company focused on lowering the cost of modern AI systems through co-designing software, hardware, algorithms, and models, and we invite you to join our passionate group of researchers and engineers in building the next generation of AI infrastructure.

$190k - $270k

Cohere

Cohere is seeking a Software Engineer to join the Agents & Automations team, which builds the core platform for North, Cohere's AI workspace. This platform enables customers to create AI-powered workflows, ranging from structured automations to flexible agents that can interact with enterprise systems. The role involves building the workflow builder, execution engine, integrations, debugging tools, and feedback loops that empower users to deploy and manage AI agents and automations. This is a broad product engineering role that spans frontend, backend, and AI-powered systems, with the goal of shipping reliable software that helps customers augment or automate business workflows.

The Connector Platform team is responsible for building the data layer that enables Perplexity's agents to interact with the world's software. This team manages systems that transform hundreds of diverse integrations into a unified, reliable, and well-typed interface for agents. This platform serves as the core knowledge layer, enabling agents to discover, understand, and utilize tools effectively, grounding their reasoning in real, permissioned, and up-to-date enterprise data. By maintaining a knowledge layer above connectors, the platform ensures Computer becomes the single source of truth for institutional knowledge, providing grounded, actionable, and permissioned access to customer systems, which is a key differentiator in the market.

Fireworks is seeking an AI Field Engineer to join their team. This role is crucial for embedding with ambitious customers and technology partners to rapidly transform complex AI challenges into production systems. You will operate at the intersection of engineering, product, and customer delivery, taking a hands-on approach to building Proofs of Concept (POCs), Minimum Viable Products (MVPs), and production integrations. Simultaneously, you will engage in executive-level discussions regarding architecture, strategy, and business outcomes. The position involves significant coding, running benchmarks, debugging production issues, and architecting deployments, alongside leading discovery conversations, aligning stakeholders, and translating customer needs into product improvements. This role requires comfort working on-site with customers to build relationships and trust in person.

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 talented engineering team, and collaborating with product and design to deliver features that empower developers to build and deploy trustworthy AI systems. You will play a key part in shaping the future of AI observability at scale, contributing to a company that has raised $125M and is experiencing rapid growth.

$200k - $250k

Fireworks is seeking an AI Field Engineer for Strategic Partnerships to be a technical owner for their most strategic partnerships. This role involves working closely with partner field teams, ISVs, and SIs to establish Fireworks as the primary inference and fine-tuning layer within partner AI architectures. You will bridge engineering, partner development, and customer delivery by building reference architectures, conducting benchmarks, resolving integration issues, and co-developing Proofs of Concept (POCs). The position requires strong technical skills, the ability to manage executive-level discussions on strategy and business outcomes, and a proactive approach to building and enabling solutions. You will also be responsible for leading discovery conversations, aligning stakeholders, and translating field feedback into product improvements to accelerate the development cycle.

$200k - $260k

OpenAI

The Codex Web Layer team is responsible for the web-based systems and user experiences for Codex, spanning the entire stack from the application framework to the in-app browser. In this role, you will design and implement infrastructure and features end-to-end for the Codex desktop client application, helping to define the future of hybrid agentic/interactive web browsing. This position offers a unique opportunity to work on a critical and rapidly growing product within a small, experienced team, contributing to a platform that integrates from the OS level to user interaction design.

Scale AI

Scale AI is seeking a Frontier Agents Engineer to act as a technical bridge between our AI capabilities and strategic customers. This hands-on role involves understanding customer challenges, architecting custom AI solutions, and ensuring successful deployment of AI systems in production. You will work directly with customer engineering teams to integrate AI into their critical workflows, combining deep engineering expertise with customer-facing problem-solving.

Scale AI

Scale AI is seeking a Senior Frontier Agents Engineer to join their Enterprise team. This role serves as a technical liaison, connecting Scale AI's advanced AI capabilities with key enterprise clients. You will collaborate with customers to understand their specific needs, design tailored AI solutions, and ensure the successful implementation and adoption of AI systems in production environments. This is a hands-on position requiring a blend of deep engineering expertise and customer-focused problem-solving, involving direct work with client engineering teams to integrate AI into their core operations.

Scale AI

Scale AI is seeking a Staff Frontier Agents Engineer to act as a technical bridge between Scale AI's AI capabilities and strategic customers. This role involves understanding customer challenges, architecting custom AI solutions, and ensuring successful deployment in production environments. It's a hands-on technical position combining deep engineering expertise with customer-facing problem-solving, requiring direct collaboration with customer engineering teams to integrate AI into critical workflows.

Scale AI

As a Senior Staff Frontier Agents Engineer on our Enterprise team, you'll be the technical bridge between Scale AI's cutting-edge AI capabilities and our most strategic customers. This is a hands-on technical role that combines deep engineering expertise with customer-facing problem solving. You'll work directly with customer engineering teams to integrate AI into their critical workflows, understanding their unique challenges, architecting custom AI solutions, and ensuring successful deployment and adoption of AI systems in production environments.

Scale AI

Scale's Global Public Sector team is focused on using AI to address critical challenges facing the public sector worldwide. We create custom AI applications impacting millions of citizens, generate high-quality training data for national LLMs, and provide upskilling and advisory services to spread AI's impact. As a DevOps Engineer, you will design and develop core platforms and software systems, supporting orchestration, data abstraction, data pipelines, identity & access management, security tools, and underlying cloud infrastructure. We are enabling the public sector to transform operations and better serve citizens through cutting-edge technology.

Scale AI

Scale AI is seeking a Senior/Staff Machine Learning Engineer for its General Agents team. This role is crucial in designing, building, and deploying production-ready AI agents to address high-impact enterprise challenges. You will be involved in the entire agent lifecycle, from conceptualization and system design to evaluation, deployment, and ongoing iteration. The position requires bridging cutting-edge agentic techniques with the practical demands of real-world customer environments, focusing on creating scalable, reliable, and generalizable agent systems.

$265k - $331k

Mistral AI

Mistral AI is seeking its first Technical Support Engineer in the APAC region to establish and lead the technical support presence. This is a critical role for a highly technical individual capable of independently resolving complex, escalated issues and serving as the primary technical resource for the company's fastest-growing market. The foundational hire will own end-to-end technical support for enterprise and strategic customers, debug advanced issues related to APIs, model behavior, latency, fine-tuning, and infrastructure, and bridge communication between customers, engineering, and product teams. This role requires shaping support processes for APAC's unique needs, reporting to the Lead Customer Support, and demonstrating autonomy, technical depth, and a proactive approach in a high-volume, high-stakes environment.

Abridge

Abridge is seeking a highly experienced and motivated Staff Application Security Engineer to join their growing team. This role is a key technical leadership position focused on building security from the ground up at the forefront of AI in healthcare. You will shape product, infrastructure, and engineering practices by impacting the vision and execution of the secure software development lifecycle across the entire product portfolio. This involves working cross-functionally to integrate security seamlessly, automate security capabilities, and mentor others in building secure-by-default systems at scale in the age of AI. The ideal candidate possesses deep technical expertise, a builder's mindset, and excellent communication skills to influence security culture.

LangChain is seeking a Senior Fullstack Engineer to join the newly formed Growth & Monetization team. This high-impact role will focus on building foundational product features and integrations that drive user acquisition, rapid experimentation, and self-serve expansion. You will work across the full stack, from polished user interfaces to backend APIs, to create seamless growth stories for developers and enterprise customers. This is a 0→1 opportunity to build growth systems from the ground up, partnering closely with product, design, GTM, and analytics teams to streamline activation, optimize packaging, and deliver a delightful developer experience.

$175k - $240k

OpenAI

OpenAI is seeking a backend engineer to adapt its API platform for strategic cloud environments, starting with AWS. This role involves building backend services, APIs, SDK integrations, authentication flows, and cloud service infrastructure to enable developers to use OpenAI capabilities within their existing cloud environments. You will work across teams, sometimes embedded with partner product groups, to ship products quickly and across multiple platforms simultaneously. This is an excellent opportunity for engineers who have experience building developer tools, particularly AI-powered ones, can communicate effectively across technical disciplines, and can design architectures supporting diverse deployment models.

Databricks

We are seeking an AI Infrastructure Engineer to own the infrastructure that powers our ML and LLM training pipelines. This is a fully remote position.

$170k - $240k

Applied Intuition is seeking a Systems Engineer to join their UK Engineering team. This role is crucial for defining system requirements, designing architectures, and integrating the company's advanced technology onto autonomous vehicles and defense systems. The position involves a blend of systems engineering, robotics, software deployment, architecture, integration, and hands-on real-world testing. You will work in both office and field environments, spending significant time deploying and validating software on autonomous systems in dynamic settings. Collaboration with software engineers, autonomy experts, perception teams, data scientists, and field operators will be key to ensuring robust and reliable system deployments.

$60k - $300k