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Latest Fullstack Engineering jobs at OpenAI

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OpenAI

Software Engineer, Codex

OpenAISan Francisco, CA

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.

230k – 385k/yr
Hybrid5+ YOEFullstack Engineering
OpenAI

Software Engineer, ChatGPT Lifestyle

OpenAISan Francisco, CA

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.

230k – 385k/yr
Hybrid5+ YOEFullstack Engineering
OpenAI

Software Engineer, Codex Security

OpenAISan Francisco, CA +1

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.

230k – 325k/yr
Remote5+ YOEFullstack Engineering
OpenAI

Founding Full Stack Software Engineer, Legal

OpenAISan Francisco, CA

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.

293k – 325k/yr
On-site6+ YOEFullstack Engineering
OpenAI

Senior Software Engineer

OpenAISan Francisco, CA

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.

293k – 325k/yr
Hybrid7+ YOEFullstack Engineering
OpenAI

Full Stack Software Engineer, API Experience

OpenAINew York, NY

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.

293k – 385k/yr
Hybrid5+ YOEFullstack Engineering
OpenAI

Full Stack Software Engineer, Agent Enablement

OpenAISan Francisco, CA

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.

255k – 405k/yr
Hybrid5+ YOEFullstack Engineering
OpenAI

Full Stack Engineer, ChatGPT Finances

OpenAISan Francisco, CA

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

293k – 325k/yr
Hybrid5+ YOEFullstack Engineering
OpenAI

Full Stack Software Engineer

OpenAISan Francisco, CA +1

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.

255k – 405k/yr
Hybrid5+ YOEFullstack Engineering
OpenAI

Software Engineer, Web Layer

OpenAISan Francisco, CA

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.

255k – 405k/yr
Hybrid5+ YOEFullstack Engineering
OpenAI

Full Stack Software Engineer

OpenAISan Francisco, CA

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.

185k – 385k/yr
Hybrid5+ YOEFullstack Engineering
OpenAI

Software Engineer, Internal Applications - Enterprise

OpenAISan Francisco, CA

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.

293k – 342k/yr
Hybrid5+ YOEFullstack Engineering
OpenAI

Software Engineer, Full Stack

OpenAISan Francisco, CA

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

230k – 325k/yr
Hybrid5+ YOEFullstack Engineering
OpenAI

Software Engineer, Ads Manager

OpenAISeattle, WA

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.

230k – 385k/yr
Hybrid7+ YOEFullstack Engineering
OpenAI

Software Engineer, Ad Formats

OpenAISan Francisco, CA

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.

230k – 385k/yr
Hybrid7+ YOEFullstack Engineering
OpenAI

Full-Stack Software Engineer, Applied Foundations

OpenAISan Francisco, CA

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.

185k – 385k/yr
HybridFullstack Engineering
OpenAI

Full Stack Software Engineer, OpenAI Edu

OpenAISan Francisco, CA

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.

230k – 385k/yr
Hybrid5+ YOEFullstack Engineering
OpenAI

Full Stack Software Engineer, Growth

OpenAISan Francisco, CA

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.

153k – 385k/yr
On-siteFullstack Engineering
OpenAI

Software Engineer, Codex Cloud

OpenAISan Francisco, CA

Builds cloud-based AI agentic experiences and runtime infrastructure for Codex, enabling scalable, secure AI software engineering across codebases. Requires strong distributed systems expertise, backend proficiency, and enterprise platform experience.

230k – 325k/yr
On-siteFullstack Engineering
OpenAI

Fullstack Engineer, Safety Engineering

OpenAISan Francisco, CA

Build full-stack internal tools to enhance OpenAI model safety, focusing on mental health protections and policy workflows. Requires 5+ years experience with JavaScript/React, Python, and databases.

210k – 325k/yr
On-site5+ YOEFullstack Engineering
OpenAI

Full Stack Engineer, Health AI

OpenAISan Francisco, CA

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.

293k – 325k/yr
On-site5+ YOEFullstack Engineering
OpenAI

Software Engineer, Codex for Teams

OpenAISan Francisco, CA

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.

230k – 325k/yr
On-siteFullstack Engineering
OpenAI

Software Engineer, Productivity

OpenAISan Francisco, CA

Optimizes development workflows, iteration speed, and reliability for OpenAI's core training and inference frameworks. Focuses on enhancing developer experience through pragmatic, end-to-end solutions, particularly with Python.

230k – 385k/yr
On-siteFullstack Engineering
OpenAI

Software Engineer, Monetization Product & Platform (SF/Seattle)

OpenAISan Francisco, CA +1

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.

230k – 385k/yr
On-site7+ YOEFullstack Engineering
OpenAI

Software Engineer, Full Stack (Knowledge Innovation)

OpenAISan Francisco, CA

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.

230k – 385k/yr
On-siteFullstack Engineering
OpenAI

Software Engineer, Fleet Management

OpenAISan Francisco, CA

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.

230k – 490k/yr
HybridFullstack Engineering
OpenAI

Software Engineer, Full Stack, Revenue Platform

OpenAISan Francisco, CA

Build and own full-stack platform components for OpenAI's revenue systems, including billing, subscriptions, and enterprise entitlements. Collaborate cross-functionally to deliver scalable, reliable financial workflows with 5+ years full-stack experience.

230k – 385k/yr
On-site5+ YOEFullstack Engineering
OpenAI

Fullstack Engineer, Intelligence Systems

OpenAISan Francisco, CA

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.

230k – 325k/yr
HybridFullstack Engineering
OpenAI

Software Engineer, Gov

OpenAIWashington, DC +2

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.

207k – 385k/yr
Hybrid5+ YOEFullstack Engineering
OpenAI

Software Engineer, Research Developer Productivity

OpenAISan Francisco, CA

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.

230k – 325k/yr
HybridFullstack Engineering
OpenAI

Software Engineer, Full Stack (People Innovation)

OpenAISan Francisco, CA +1

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.

153k – 385k/yr
Hybrid4+ YOEFullstack Engineering
OpenAI

Software Engineer, Accelerators

OpenAISan Francisco, CA

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.

295k – 380k/yr
On-site3+ YOEFullstack Engineering
OpenAI

Software Engineer, Payments

OpenAISan Francisco, CA

Software Engineer building and scaling payments infrastructure for OpenAI's products, including integrations with payment processors and financial primitives. Requires 5+ years experience, preferably in payments/financial systems, strong product mindset, and ability to thrive in high-growth environments.

255k – 440k/yr
Hybrid5+ YOEFullstack Engineering
OpenAI

Full-Stack SWE, Data Acquisition (Foundations)

OpenAISan Francisco, CA

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.

293k – 385k/yr
On-site4+ YOEFullstack Engineering
OpenAI

Full Stack Engineer, Fleet Scheduling

OpenAISan Francisco, CA

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.

230k – 490k/yr
HybridFullstack Engineering
OpenAI

Software Engineer, Youth Well-Being

OpenAISan Francisco, CA

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.

230k – 385k/yr
On-siteFullstack Engineering
OpenAI

Software Engineer, Integrity Foundations

OpenAISan Francisco, CA

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.

230k – 385k/yr
On-site3+ YOEFullstack Engineering
OpenAI

Software Engineer, Financial Engineering

OpenAISan Francisco, CA

Build and architect scalable billing and monetization systems for OpenAI's ChatGPT and API products, integrating with internal teams. Requires 5+ years software engineering experience, ideally in payments/billing, with strong collaboration and scaling expertise.

230k – 385k/yr
Hybrid5+ YOEFullstack Engineering