FastAPI Jobs

OpenAI

Dots is building personal AI agents designed to help users make progress on their goals, even when they are not actively using tools like ChatGPT. These agents are capable of learning user preferences, maintaining context across interactions, operating across different applications, and utilizing cloud computing resources to perform tasks. The team combines product engineering, design, and research to transform advanced AI model capabilities into practical, everyday user experiences. Engineers on this team play a crucial role in shaping both the product itself and the underlying systems, from initial prototyping through to launch and ongoing iteration. This role focuses on building the product experiences for Dots, from the user interface to the backend services that power them, helping to define how users delegate tasks to their personal agents, monitor progress, and collaborate with them over time. It involves hands-on product development and the systems engineering required to ensure persistent, asynchronous agent experiences are reliable.

$347k - $385k

Decagon is seeking a Senior Software Engineer to join the Product Engineering team. This team is responsible for building the core platform that enables customers to create, operate, and improve their AI agents. You will design and build systems that allow customers to configure, train, test, and monitor sophisticated AI agents with confidence, translating complex technical capabilities into simple, usable interfaces. You will own features end-to-end, from technical architecture through deployment and iteration, working closely with product and design to understand customer use cases and ensure the right solutions are built. This role involves building self-serve functionality, designing configuration abstractions, creating AI-powered tooling for agent workflows, and developing monitoring and analytics for agent performance.

$200k - $400k

Decagon is seeking a Senior Software Engineer to join the Product Engineering team. This team is responsible for building the core platform that enables customers to create, operate, and improve their AI agents. You will design and build systems that allow customers to configure, train, test, and monitor sophisticated AI agents with confidence, translating complex technical capabilities into simple, usable interfaces. You will own features end-to-end, from technical architecture through deployment and iteration, working closely with product and design to understand customer use cases and ensure the right solutions are built. This role involves building self-serve functionality, designing configuration abstractions, creating AI-powered tooling for agent workflows, and developing monitoring and analytics for agent performance.

$200k - $400k

We are seeking a Senior Engineer to design, build, and scale the infrastructure that powers NVIDIA's AI agent ecosystem. This role sits at the intersection of distributed systems, developer platforms, and agentic AI, focusing on building foundational services that enable teams across the company to develop, deploy, orchestrate, and operate autonomous AI agents at production scale. You will be instrumental in creating the core platform that supports the full agent lifecycle, from registration to teardown, ensuring robust and scalable operations.

$200k - $391k

Baseten powers mission-critical inference for leading AI companies, enabling them to bring cutting-edge models into production. We are seeking distributed systems engineers and product-minded generalists to build the distributed runtime that powers large-scale LLM inference on Baseten. Our inference platform ensures customers can deploy and operate advanced models with industry-leading performance, scalability, and reliability. You will work across the entire stack, from the developer experience for model deployment to the systems orchestrating Kubernetes and routing traffic efficiently, ensuring every model on our platform is fast, reliable, and cost-efficient.

$180k - $360k

Hebbia is seeking a Front-End Engineer to join the Agents team, focusing on building the user interface for universal knowledge capture. This role involves creating simple, delightful experiences for users to direct long-running agents, review citations, and iterate on key deliverables. You will translate new agentic capabilities from the research team into polished web and iOS interfaces. Engineers are empowered to own features end-to-end, including building necessary backend components like new endpoints, streaming APIs, or custom tools. The position requires deep expertise in modern web front-end engineering, strong product sense, and comfort with backend development when needed. Experience with iOS development is highly valued as the team expands its mobile presence. You will collaborate closely with applied researchers and infrastructure engineers, understanding the full system from model calls to UI.

$160k - $300k

Anthropic

The People Products team at Anthropic is dedicated to shaping the future of AI at work, focusing on critical aspects of the employee lifecycle. This role involves defining the blueprint for AI in professional environments, from hiring and manager effectiveness to onboarding and fostering company culture through innovative tools. You will work directly with Anthropic's advanced AI, Claude, tackling complex, unsolved problems and moving rapidly from prototype to production. This is an opportunity for individuals who are passionate about improving people practices and want to make a significant impact at a leading AI company.

$405k - $485k

Banks and fintechs use Taktile to automate critical decisions, like credit and risk, in real time. We're building the infrastructure that makes financial institutions truly AI-native, and the backend is where the hard problems live. We're growing rapidly with enterprise customers across banking and insurance, and we're looking for a Senior Backend Engineer to join Team Atlas, a small, high-ownership team focused on the data infrastructure powering our feature computation platform. You'll own critical systems end-to-end, and your decisions will shape the product.

Haven Safety AI is building an enterprise learning intelligence layer for safety, designed to help high-risk organizations learn faster from incidents and prevent future occurrences. The platform integrates with existing EHS systems to enhance incident investigation, assessment, and learning processes. It leverages current incident evidence, company knowledge, historical cases, and an industry knowledge graph, with specialized AI agents analyzing various data points to produce traceable assessments. This role is a build-and-operate position focused on the AI and LLM engineering layer, connecting the evidence base and knowledge graph to the product experiences used by investigators and safety leaders. The work is technically demanding and operationally critical, serving enterprise customers in regulated, safety-critical industries where precision, traceability, evaluation, and human oversight are paramount.

Sierra is a leading platform for customer-facing AI agents, partnering with major global brands to transform customer service and business growth. We are primarily an in-person company based in San Francisco, with a culture guided by values of Trust, Customer Obsession, Craftsmanship, Intensity, and a commitment to balancing family. Our Tech, Media & Telecom team builds AI agents for critical moments, such as service disruptions or major product launches, to enhance customer relationships across telecommunications, media, and technology sectors. These agents aim to personalize experiences, optimize plans, drive engagement, and improve customer loyalty.

$180k - $390k

Sierra is a leading platform for customer-facing AI agents, partnering with major global brands to transform customer service and business growth. We are primarily an in-person company based in San Francisco, with a culture guided by values of Trust, Customer Obsession, Craftsmanship, Intensity, and a commitment to balancing family. Our co-founders, Bret Taylor and Clay Bavor, bring extensive experience from leading tech companies like Salesforce, Facebook, and Google. The Travel, Transportation and Hospitality (TTH) team specifically supports major players in the travel industry, helping them deliver exceptional customer experiences, drive growth, and build innovative products. This is a small, scrappy, and collaborative team where every member is encouraged to think like a product owner and contribute to shaping the future of AI in travel.

$180k - $390k

Sierra is a leading platform for customer-facing AI agents, partnering with major global brands to revolutionize customer service and business growth. We are an in-person company based in San Francisco with a culture guided by trust, customer obsession, craftsmanship, intensity, and a commitment to work-life balance. Our co-founders, Bret Taylor and Clay Bavor, bring extensive experience from leading tech companies like Salesforce, Facebook, and Google. The Retail Team specifically focuses on reinventing AI-first commerce for renowned brands such as Gap, Wayfair, and Sonos, handling millions of customer interactions annually across various channels. We aim to create seamless experiences that resolve issues, drive revenue, and build lasting customer loyalty.

Salesforce is seeking a Senior / Lead Software Engineer to join their Product Team. In this role, you will translate ambiguous product challenges into high-quality software, collaborating closely with product and design teams to define product direction, development, and success metrics. You will work on core customer workflows, from the user interface to the backend services and data models. A key aspect of this role involves integrating emerging AI capabilities into practical and reliable product experiences, ensuring these features are observable, testable, and maintainable. This position is ideal for someone who thrives on moving quickly from concept to implementation and iterating based on user feedback.

$149k - $314k

WRITER is seeking a Software Engineer, Generative AI to build the secure, scalable foundation for enterprise-grade generative AI solutions. This role is for an engineering generalist with a strong focus on generative AI and a systems-level approach to architecture. You will be responsible for designing and developing services, integrating AI models and agentic workflows, and owning platform component architecture from proposal to deployment. The work directly impacts enterprise-wide transformation, driving significant revenue increases and cost reductions for clients. This is a hybrid role based in San Francisco, New York City, or London.

$132k - $240k

Hugging Face is seeking a Senior Open-Source Python Engineer to join their Applications team. This role focuses on building and maintaining tooling that empowers developers to create machine learning applications using Hugging Face's platform primitives. You will be instrumental in shaping the future of libraries like Gradio, Trackio, and FastRTC, taking projects from early stages to widespread adoption. This is a dynamic role for someone comfortable with evolving challenges and passionate about making machine learning accessible to a broad audience.

Anthropic

As a Staff Software Engineer on the GTM AI Engineering (Claudification) team, you will build the agents and AI systems that power Anthropic's go-to-market operations. You will advance existing agent capabilities to autonomously manage complete motions across sales areas like inbound, outbound, and pipeline management. Additionally, you will develop evaluation frameworks to ensure these agents are ready for customer-facing tasks and deliver tangible value. This senior role involves driving the technical direction for agents and evaluations within the team, owning projects from initial prototyping to production deployment, and collaborating with sellers, RevOps, and platform engineering partners. You will integrate full-stack engineering, including MCP servers and agentic systems, with hands-on evaluation work and contribute to architecting shared platforms for the go-to-market organization.

$320k - $405k

HUD is seeking a Delivery Engineer to manage complex, time-sensitive data and evaluation programs for leading AI labs, data vendors, and internal teams. This role involves transforming ambiguous technical requirements into actionable plans, coordinating resources, and ensuring the quality and utility of data for evaluating and enhancing LLMs and agents. You will also be responsible for vendor management and developing processes and tools to support scalable and reliable delivery. This position offers the opportunity to work on critical AI infrastructure, backed by significant VC funding and a growing team of accomplished researchers and engineers. You will play a key part in shaping the future of AI by ensuring data integrity and facilitating effective model development.

$100k - $225k

Accenture

Accenture Industry X is seeking a Senior AI Full Stack Developer with expertise in Python and React/TypeScript to design, build, and deploy production-grade AI applications. You will work across the complete technology stack, from Python backend services and AI orchestration layers to responsive React-based user experiences. This role involves hands-on work with Large Language Models (LLMs), Generative AI, Agentic AI, Retrieval-Augmented Generation (RAG), APIs, cloud platforms, and modern DevOps practices, transforming AI concepts into scalable, observable, and production-ready solutions within fast-moving, cross-functional teams.

Taktile is seeking a Senior Full-Stack Engineer to join their Agent team, which is building a platform for creating, publishing, and executing AI-powered agents to automate complex workflows in financial services. This role will involve building and shipping production features across the entire stack, from the agent runtime and tool orchestration layer in the backend to the conversational copilot experiences users interact with daily. You will work alongside experienced engineers, contribute to product impact, and grow your skills in a fast-moving, high-ownership environment.

Cohere

Cohere is seeking a Forward Deployed Engineer to join their Agentic Platform team. This role focuses on bridging Cohere's North AI workspace platform with enterprise clients, solving complex problems and securely integrating AI into critical sectors. You will be responsible for the design, build, and deployment of agentic workflows powered by LLMs, transforming ambiguous business problems into production-grade AI agents that deliver concrete business value. The work involves close collaboration with customers to build first-of-their-kind agent workflows that integrate LLMs with tools, APIs, and data sources, ensuring reliability, observability, safety, and auditability.

CA$175k - CA$385k