Backend Software Engineer, ChatGPT Engineering
OpenAI
About the Team Core backend engineering is central to delivering reliable, scalable, and performant AI-driven products. Our Backend teams span Search Infrastructure, Platform Engineering, Personalization, Ecosystems, Growth, and more—building services, data systems, and APIs that power ChatGPT’s global footprint. About the Role We’re hiring Backend Software Engineers to design and implement the services and infrastructure powering ChatGPT. What You’ll Do Architect, build, and improve scalable backend systems and APIs. Drive performance, reliability, and security across distributed services. Work closely with product, data science, and frontend teams. Implement data storage, retrieval, compute, and integration solutions. Participate in long-term architectural planning and technical design reviews. You Might Thrive Here If You: Have strong experience with distributed systems, APIs, and backend languages (e.g., Go, Python, Rust, C++). Enjoy building resilient services that handle large scale and complexity. Are passionate about system design, reliability, and operational excellence. We are open to hiring in San Fransisco, New York and Seattle About OpenAI OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. For additional information, please see OpenAI’s affirmated action and equal employment opportunity policy statement. Background checks for applicants will be administered in accordance with applicable law, and qualified applicants with arrest or conviction records will be considered for employment consistent with those laws, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act, for US-based candidates. For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In addition, job duties require access to secure and protected information technology systems and related data security obligations. To notify OpenAI that you believe this job posting is non-compliant, please submit a report through this form. No response will be provided to inquiries unrelated to job posting compliance. We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made via this link. OpenAI Global Applicant Privacy Policy At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology. #J-18808-Ljbffr
- ...About the Team The ChatGPT team works across research, engineering, product, and design to bring OpenAI's technology to the world. We seek to learn... ...the Role We are looking for an experienced backend engineer to join our new ChatGPT Growth team to spearhead...Suggested
$185k - $385k
...About the Team OpenAI's Applications Engineering organization builds and operates the products (such as ChatGPT & Codex) that bring our cutting-edge research... ...scale. About the Role We're hiring Backend Software Engineers to design and implement safe services...SuggestedWorldwide- About the Team OpenAI’s Applications Engineering organization builds and operates the products (such as ChatGPT & Codex) that bring our cutting‑edge research to millions... ...global scale. About the Role We’re hiring Backend Software Engineers to design and implement safe...SuggestedWorldwide
- About the Team The ChatGPT team works across research, engineering, product, and design to bring OpenAI’s technology to the world. We seek to learn from deployment... .... About the Role We are looking for an experienced backend engineer to join our new ChatGPT Growth team to...Suggested
- ...their jobs better and more efficiently. Our teams span product engineering, backend infrastructure, and safety, working together to ensure that... ...like‑minded builders to join us. On March 5, we launched ChatGPT for Excel — just the first step in what we’re building in this...SuggestedInternshipWorldwide
- ...track for $100M+ ARR this year. Why top engineers are joining: Hyper‑growth rocket ship... ...at massive scale You'll build backend systems that process billions of SMS messages... ...with AI/LLM workflows (e.g., ChatGPT, embeddings, agents) Experience at top...
- ...Infrastructure for the World's Largest Dataset You'll be our eleventh engineering hire. You'll have full ownership over major features, play a... ...products. Your Qualifications ~4+ years of systems software development experience ~ Deep customer empathy, including...Immediate start
$230k - $385k
...enhancing work across the organization. From customer operations to engineering, we develop an ecosystem of automation products that empower... ...mission. About the Role We're looking for a Backend Software Engineer with experience working in ML/LLM-heavy domains to...Internship- A leading artificial intelligence company is looking for a Backend Software Engineer to design and implement services driving AI products like ChatGPT. You will architect scalable systems and collaborate with various teams to enhance system reliability and performance....
- ...We obsess over quality and believe that software built in the 21st century should not require... ...and we're looking for Senior or Staff Engineers to help scale us to a $XXM+ in ARR. You'... ...love our AI tooling (e.g. Claude Code, ChatGPT, Cursor) but here is our core stack:...Work at office
$150k - $176k
...Backend Software Engineer II Denver, Colorado, United States; San Francisco, California, United States Checkr is building the data platform to power safe and fair decisions. Over 140,000 companies and millions of people rely on Checkr for AI verification in the moments...Work at officeLocal areaRemote workRelocationFlexible hours3 days per week- OpenAI is seeking a Backend Software Engineer in San Francisco, California, to design and implement services that power core products like ChatGPT. The ideal candidate has strong experience with distributed systems and backend technologies such as Go, Python, and Rust....
$120k - $170k
...Backend Software Engineer - Enterprise Systems Astranis builds advanced satellites for high orbits, expanding humanity's reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe—large...Permanent employmentFlexible hours- ...Horowitz to Blackrock and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates... ...153,000 sq. ft. headquarters in Northern California, USA. Software Engineer- Backend Intern (Summer 2026) As a Software Engineer Intern on the...Hourly paySummer workInternship
$293k - $385k
...and impact of our AI products, including ChatGPT and other offerings. We focus on... ...You Will: Lead and scale a high‑impact engineering team focused on growth‑driven initiatives... ...experience , Have strong technical expertise in backend, frontend, or full‑stack development,...Full timeWork at officeLocal areaRelocation packageFlexible hours$200k - $250k
...Employment Type Full time Location Type Remote Department Engineering Phantom is revolutionizing the way millions of people... ...categories, right next to X, PayPal, Coinbase, and ChatGPT. Responsibilities As a Software Engineer at Phantom, you’ll play a key role in building...Full timeRemote workFlexible hours$175k - $240k
...intelligent agents ubiquitous. We build the foundation for agent engineering in the real world, helping developers move from prototypes to... ..., Boston, MA, New York. We are looking for a Senior Backend Engineer to join us. In this role you will be building the backend...Work at officeFlexible hours$185k
...one of our major bets this year to turn ChatGPT into a true super‑assistant. We’re... ...the Role We’re looking for a Full Stack Software Engineer who enjoys blending front‑end and back‑... ...comfortable moving between frontend and backend to deliver complete features (React/Python...Full timeWork at officeLocal areaRelocation packageFlexible hours$170k - $195k
...is to make intelligent agents ubiquitous. We provide the agent engineering platform and open source frameworks developers need to ship... ...New York, Amsterdam, or London. We are looking for a Senior Backend Engineer to join us. In this role you will be building the backend...WorldwideFlexible hours$220k - $405k
...factors, including experience and expertise, and may vary from the amounts listed above. Perplexity is looking for an experienced Backend Engineer to join our small team revolutionizing the way people search and interact with the internet. You will be responsible for...Full timeLocal areaWorldwide$150k - $250k
...Backend Engineer The backend is the product. The reliability of message delivery, the speed of AI responses, the depth of integrations, the transparency of AI decision-making, customers feel all of it even if they never see your code. You'll work directly with Punn...- ...Team OpenAI's Applications Engineering organization builds and operates the products (such as ChatGPT & Codex) that bring our... ...We're hiring Full-Stack Software Engineers to design and implement... ...build, and improve frontend and backend systems. Work across the full...Worldwide
$170k - $190k
...Foodsmart in San Francisco is seeking a Staff Software Engineer to develop and maintain backend systems for its platform. The role focuses on designing secure, scalable services that support personalized nutrition journeys and clinical workflows. With a requirement of...Remote work$225k - $275k
...Affirm is hiring an experienced backend engineer for their Capacity Modeling team in San Francisco. The role involves setting technical strategies, ensuring operational sustainability, and collaborating across product teams. Candidates should have 8+ years of experience...Remote work$90k - $118.59k
...Full-Stack Software Engineer (New Grad) Nue is the AI-powered revenue architecture platform... ...tools (such as Claude Code, Glean and ChatGPT) as part of your daily workflow to accelerate... ...Manager). Develop and extend backend services (primarily Java / Spring Boot...InternshipRemote work$185k
...$490,000 + Equity Posting Date April 13, 2026 Required Skills Full-Stack ChatGPT React Python Visa Sponsorship Not mentioned Relocation Not mentioned About the Role Full‑stack engineer building ecosystem features for ChatGPT. Interested in this role? Apply directly...RelocationVisa sponsorship- ...Advanced Backend Engineer San Francisco Bay Area About Polyhedra Network We are building next-generation distributed systems that combine traditional backend engineering with modern AI capabilities. Our platform serves millions of users while maintaining high...Flexible hours
- ...Backend Engineer San Francisco About Navier AI Navier AI is building the first autonomous engineering agents. AI systems that can... ...performant product experience Integrate external tools such as CAD software, simulation backends (e.g., OpenFOAM), and data stores into...
$180k - $240k
...Location Type Remote Department Engineering Compensation ~$180K – $240K •... ...ROLE OVERVIEW We are looking for a backend engineer who is passionate about improving... ...The opportunity to shape the foundational software services of a growing company A role...Full timeRemote work$200k - $250k
...Founding Backend Engineer, On-site - San Francisco, CA Schedule: In office, five days per week A well funded seed stage AI company... ...systems that automate complex workflows inside real enterprise software. The team is developing the platform, infrastructure, and backend...Work at officeImmediate start
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