O

OpenAI

Builds AI models and the ChatGPT assistant

Frontend Software Engineer

Full-Time
$230k - $385k/yr
Mid
San Francisco, CA, USA
Hybrid
Software EngineeringFrontend Engineering

About the job

Requirements
  • Have strong experience with modern frontend stacks such as React and TypeScript, and a high bar for user-interface craft.
  • Have built rich, interactive product experiences and care deeply about performance, responsiveness, and usability.
  • Enjoy exploring ambiguous problems and iterating rapidly with design and product.
  • Think in end-to-end workflows and can make complex interactions feel clear and intuitive.
Responsibilities
  • Build and ship polished, high-performance user interfaces for Space and its collaborative workflows.
  • Partner closely with design to turn prototypes into production-quality experiences, covering layout, typography, motion, and interaction details.
  • Develop intuitive interfaces for creating and editing shared content, organizing project context, and reviewing contributions from teammates and AI as work evolves.
  • Own frontend architecture decisions across component systems, state management, navigation, and rendering performance.
  • Improve quality and reliability through testing, instrumentation, accessibility, and thoughtful user experience for loading, errors, and concurrent changes.
  • Collaborate with research, platform, and backend partners to bring model capabilities into cohesive creation, editing, and collaboration experiences.
Desired Qualifications
  • Experience with collaborative applications, rich-text editors, real-time interfaces, or AI-powered products.

About the company

OpenAI researches and builds artificial intelligence models and turns them into products for people, developers, and businesses, with a stated mission of making sure artificial general intelligence benefits all of humanity. Its launch of ChatGPT in 2022 brought generative AI into everyday use. People use ChatGPT to ask questions, write, code, and analyze files, developers build OpenAI's models into their own apps through its API, and its Codex agent works through coding tasks on its own. OpenAI earns money from ChatGPT subscriptions, business plans, and API usage. Sam Altman, Elon Musk, and others co-founded it in 2015; it is based in San Francisco and overseen by a nonprofit, the OpenAI Foundation.

Company Size

1,001-5,000

Company Stage

Late Stage VC

Total Funding

$226.5B

Headquarters

San Francisco, California

Founded

2015

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Simplify's Take

What believers are saying

  • Sales are compounding: OpenAI's yearly revenue pace doubled from $24 billion in March 2026 to nearly $50 billion in September.
  • Equity turns into cash regularly: staff sold $7 billion of shares in August 2026, after $6.6 billion in October 2025.
  • Room to grow: OpenAI plans to nearly double staff to 8,000 by year-end and listed 816 openings in October 2026.

What critics are saying

  • Its chief rival pulled ahead: Claude maker Anthropic's $965 billion valuation in May 2026 topped OpenAI's $852 billion.
  • Profits are years away: OpenAI's own forecast, reported in September 2026, shows $278 billion of cash burn through 2030.
  • Expect leadership churn: 15 senior leaders, including the revenue and applications chiefs, left OpenAI between January and September 2026.

What makes OpenAI unique

  • A nonprofit is in charge: the OpenAI Foundation appoints OpenAI's whole board and held a 26% stake in October 2025.
  • ChatGPT reaches about one in seven people on Earth: 1.2 billion used it each week as of September 2026.
  • Microsoft is a major part-owner: it held about 27% in October 2025 and licenses OpenAI's models through 2032.

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Benefits

  • Health insurance
  • Dental and vision insurance
  • Flexible spending account for healthcare and dependent care
  • Mental healthcare service
  • Fertility treatment coverage
  • 401(k) with generous matching
  • 20-week paid parental leave
  • Life insurance (complimentary)
  • AD&D insurance (complimentary)
  • Short-term/long-term disability insurance (complimentary)
  • Optional buy-up life insurance
  • Flexible work hours and unlimited paid time off (we encourage 4+ weeks per year)

Growth & Insights and Company News

Headcount

6 month growth

6%

1 year growth

1%

2 year growth

2%
The Information
Oct 22nd, 2026
Defenders' window narrows as Chinese AI models close in, while Meta posts $64.6B revenue

Meta said third-quarter revenue rose 26% to $64.6 billion, slightly above its forecast, and announced a new class of nonvoting common stock to raise capital for its AI spending without diluting chief executive officer Mark Zuckerberg's control. Shares rose 2% in after-hours trading. Existing shareholders will get one Class C share for each Class A or B share they hold. The stock can be issued from January 19. Meta gave no timing or size for an equity offering. Free cash flow was negative $2.12 billion, against positive $10.63 billion a year earlier, due to AI investment. Full-year capital spending is expected at $135 billion to $145 billion, within its earlier range. Operating income fell 37% to just under $13 billion, partly due to a nearly $10 billion legal charge. A New Mexico judge also ordered Meta to pay $25 billion in a Cambridge Analytica case.

Yahoo Finance
Oct 21st, 2026
Google Cloud to offer OpenAI's GPT-6 Astra and Codex in deal with AI rival

Google is adding OpenAI's latest models to Google Cloud, letting enterprise customers buy tools from one of its biggest AI rivals. GPT-6 Astra and OpenAI's Codex coding agent will arrive in the coming weeks. Customers can access the models through Google Cloud's Model Garden and buy them via Google Cloud Marketplace. Businesses can pay for OpenAI services with their existing Google Cloud spending commitments instead of negotiating separate contracts. The deal puts Google's cloud economics ahead of model exclusivity. The more AI workloads run on its infrastructure, the more spending Google can capture, whichever model customers prefer. The trade-off is that Google makes it easier to use a direct competitor's models instead of its own Gemini.

Ars Technica
Oct 21st, 2026
OpenAI's GPT models head to Google Cloud and Antigravity coding tool

OpenAI's latest models are coming to Google Cloud, under an arrangement between the two companies. GPT models will also soon appear in Antigravity, Google's agent-powered coding tool. The models will arrive in Google's "Model Garden" in the coming weeks, joining more than 200 options. These include Google's Gemini, Mistral, Llama, Gemma, and Anthropic's Claude. Google says it is now the only large cloud provider offering all three leading closed large language models. The full set of GPT 6 and 6.1 models (Astra, Sol, and Luna) will launch. They will run entirely on Google's infrastructure, with transactions handled through the Google Cloud Marketplace. OpenAI says Microsoft remains its primary cloud partner.

Yahoo Finance
Oct 21st, 2026
OpenAI to sell GPT-6 Astra and Codex models on Google Cloud after Microsoft exclusivity ends

OpenAI will offer its frontier AI models and Codex coding agent through Google Cloud in the coming weeks, the companies said on Wednesday. The models include GPT-6 Astra. Customers can buy them via Google Cloud Marketplace and use existing cloud spending commitments. Firms in regulated industries can access the models through Google Cloud's access controls and data governance tools to build agentic AI workflows. Google joins Amazon Web Services as a distributor of OpenAI models, after OpenAI's exclusive arrangement with Microsoft expired in April. The two companies compete in AI products and search, yet cooperate on computing capacity. Anthropic, an OpenAI rival, drew 47% of its 2025 revenue from Amazon and Google's cloud platforms, according to its IPO filing.

PR Newswire
Oct 21st, 2026
PerturbAI and OpenAI's AI agents analyse brain genomic data in 32 minutes, not months

PerturbAI, an AI-native biotechnology company, and OpenAI have developed AI reasoning agents that help scientists interpret large experimental datasets. The work, done with Scripps Research, followed a year-long collaboration and was announced on October 21, 2026. Applied to PerturbAI's whole-brain genomic atlas, the agents analysed the data and synthesised findings in 32 minutes. The company estimates serial human analysis would take months to a year. Nearly 2,000 agents ran in parallel. In blinded comparisons, human experts preferred the system's reports over those from single AI agents 75% of the time. The two companies will now use the framework to discover new drug targets with PerturbAI's causal in vivo data.