Latest Fullstack Engineering jobs at OpenAI

Build and ship net-new full-stack product experiences that turn emerging model capabilities into impactful user products. The role requires strong product intuition, autonomy, rapid prototyping, and effective cross-functional collaboration in ambiguous environments.

Build OpenAI’s native learning experiences as a hands-on, staff-level full-stack product engineer. You will lead 0-to-1 development across frontend, backend, learner state, experimentation, and evaluation while shaping adaptive AI learning products for workplace users.

Build full-stack internal and external tools that improve the safety, reliability, and policy workflows of AI models. The role requires 5+ years of engineering experience, strong JavaScript and React skills, backend proficiency with Python, and relational database experience.

Build APIs, SDKs, services, and interactive experiences that enable developers to extend ChatGPT and Codex. The role spans product discovery, web and backend engineering, developer engagement, and open standards such as MCP.

Build end-to-end product experiences for persistent AI coworkers, combining intuitive frontend interfaces with reliable backend systems for agent state, orchestration, and collaboration. The role requires 7+ years of full-stack or product engineering experience and strong TypeScript, React, and backend development skills.

Builds zero-to-one, AI-native financial products across the frontend and backend, including enterprise memory, APIs, integrations, and professional workflows. The role requires 5+ years of software engineering experience, TypeScript and React expertise, backend development skills, and strong product judgment.

Build and lead the technical direction of full-stack, AI-powered enterprise workflows, spanning user surfaces, backend services, integrations, permissions, and evaluations. Requires 10+ years of production software experience, strong product judgment, and hands-on expertise across distributed systems and enterprise integrations.

Full-stack engineer building and shipping features for the ChatGPT Apps platform and SDK. Owns end-to-end development of scalable services, APIs, and UIs while collaborating cross-functionally to enhance developer experiences.

Full-stack product engineer building role-specific ChatGPT Work workflows for technology company functions like data/analytics, sales, and design. Own ambiguous enterprise workflows end-to-end: shape product from customer evidence, build across frontend/backend/services/plugins/connectors, create evaluations/observability/rollback, and drive from prototype to production rollout.

Build backend systems, data pipelines, and internal tools to support lawful data access requests and legal operations at OpenAI. Requires strong backend fundamentals, privacy/security reasoning, and experience turning ambiguous legal requirements into reliable, auditable systems.

Build full-stack onboarding, discovery, and collaboration experiences to drive Codex AI adoption across developer teams and organizations. Requires strong full-stack engineering skills and experience creating polished activation/growth product surfaces.

Build end-to-end multimodal consumer experiences for ChatGPT as a full-stack product engineer, blending frontend, backend, AI workflows, and interactive interfaces. Requires strong consumer product experience, comfort across the stack, and passion for delightful AI-powered user experiences.

Build end-to-end AI-native security products and platforms for Codex Security at OpenAI. Own full-stack features, scalable analysis systems, and workflows that translate security research into intuitive vulnerability detection, validation, and remediation tools. Strong full-stack engineering skills and security curiosity required; security domain experience is a plus.

Founding full-stack engineer building AI-powered products for legal workflows at OpenAI. Own end-to-end development from prototypes to production, collaborating closely with product, design, research, and legal customers in a high-ownership startup environment.

Build web apps, APIs, and backend services enabling AI research, evaluation, and synthetic data workflows. Partner with researchers and designers to create reproducible, observable research systems.

Full stack engineer building developer-facing products like the API Playground, docs, SDKs, and onboarding flows. Requires 5+ years experience, strong TypeScript/React skills, and backend proficiency.

Build primitives, protocols, and user experiences for an open agent ecosystem across web, desktop, and mobile. Drive technical and product decisions in a fast-moving zero-to-one environment.

Full-stack engineer building consumer-facing financial features for ChatGPT, spanning polished frontends, backend APIs, data integrations, and AI capabilities.

Build end-to-end AI-powered developer tools and workflows spanning frontend, backend, agents, and cloud infrastructure. Own complete product experiences from design through production for Codex IDE and terminal interfaces.

Design and implement infrastructure and features for the Codex desktop client, focusing on the C++ backend layer and Chromium for a hybrid agentic web browser on macOS and Windows.

Full Stack Engineer building end-to-end image generation and editing experiences in ChatGPT. Owns frontend interfaces and backend services while collaborating with research, product, and design teams.

Build internal applications that reduce manual IT and security operations through frontend/backend software, automation, and agentic systems. Requires strong full-stack experience and security judgment.

Build full-stack product experiences and backend systems for AI-powered cybersecurity tools that help teams discover, validate, and remediate vulnerabilities.

Build and scale Ads Manager, the UI platform and APIs advertisers use to create, manage, measure, and optimize campaigns. Requires 7+ years building high-scale systems with Python/FastAPI and TypeScript/React.

Software Engineer building the creative rendering and presentation layer for OpenAI’s ads ecosystem. Define and scale ad formats (text, image, video, native, conversational) across ChatGPT and other surfaces.

Builds and architects full-stack systems powering OpenAI's core products like ChatGPT, focusing on safety, security, and scalability across frontend and backend. Collaborates on resilient infrastructure handling global scale in fast-paced environment.

Build and ship full-stack education products end-to-end, partnering with learning scientists, designers, and researchers. Requires 5+ years experience, proficiency in TypeScript/React and backend languages like Python/Go, plus focus on reliability and product sense.

Fullstack engineer driving ChatGPT user growth through data analysis, product experiments, backend APIs, and web optimizations like SEO and notifications. Requires analytical skills, A/B testing experience, and comfort with ambiguity.

Full stack engineer building scalable health AI systems for consumers and providers, owning end-to-end development with focus on privacy, HIPAA compliance, and global scale. Requires 5+ years experience and high agency in fast-paced teams.

Builds production-grade systems for Codex AI software engineer to serve teams and enterprises, owning full-stack architecture, enterprise primitives like RBAC and SSO, and real-world deployments with customers.

Builds core infrastructure, APIs, and user experiences for OpenAI's monetization and ads products. Architects scalable distributed systems, collaborates with product/design/research, requires 7+ years experience in high-scale systems.

Full stack engineers build and own end-to-end platform capabilities using OpenAI's latest AI technologies for customer knowledge systems and automations. Collaborate with cross-functional teams to deliver reliable, scalable solutions.

Builds systems to manage cloud and bare-metal fleets at scale, integrating hardware metrics with job scheduling and leveraging LLMs for vendor coordination. Requires expertise in cluster and server-level systems like Kubernetes, Terraform, and Linux.

Builds and maintains scalable intelligence systems using OpenAI models to detect abuse, analyze large datasets, and support investigations. Bridges data scientists and technical teams with strong Python/SQL skills and AI expertise in a hybrid SF role.

Software Engineer building and deploying ChatGPT and OpenAI API features for public sector customers in high-stakes environments. Requires 5+ years experience, JavaScript/React/Python proficiency, infrastructure knowledge, and US citizenship.

Builds and maintains developer tools, CI/CD pipelines, and testing infrastructure for large-scale monorepo in Python, Rust, and C++ to enable fast, reliable research development at OpenAI. Requires proficiency in large monorepos, Docker, and Kubernetes.

Full stack engineer building HR, culture, and recruiting products from scratch, owning end-to-end development lifecycle. Requires 4+ years experience, proficiency in JavaScript/React/Python, and interest in AI applications for people innovation.

Develop and optimize low-level software kernels and systems for new AI accelerator platforms to enable efficient large-scale training and inference of models like LLMs. Requires 3+ years in AI infrastructure, experience with data center-scale accelerators like TPUs, and strong systems skills.

Build and optimize full-stack applications, tools, and dashboards for data acquisition infrastructure supporting AI model training. Requires 4+ years full-stack experience with React/Vue, Python/Go/Node.js, APIs, databases, Kubernetes, and cloud platforms.

Develops full-stack web applications for real-time monitoring, job scheduling, and resource management of AI supercomputing workloads. Requires expertise in modern frontend/backend technologies, APIs, distributed systems, and cloud infrastructure.

Senior Software Engineer architects foundational systems for safe teen and guardian experiences in OpenAI products like ChatGPT, including age assurance, identity infrastructure, and compliance-focused interventions. Requires expertise in identity systems, user verification at scale, and regulatory navigation like COPPA/GDPR.

Develops systems to detect and prevent abuse like financial fraud and adversarial attacks on AI platforms. Collaborates cross-functionally to build defensive infrastructure, with 3+ years backend experience using Python, Kubernetes, and related tools.