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Full Stack Software Engineer For Codex Application jobs in San Francisco· Page 5

Results 81–100 of 5,599 for “Full Stack Software Engineer For Codex Application” in San Francisco.

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OpenAI logo
Full-time|On-site|San Francisco

About Our TeamThe ChatGPT team is at the forefront of innovation, blending research, engineering, product design, and user experience to extend OpenAI’s groundbreaking technology to users worldwide.As part of the Growth Partnerships team, our mission is to broaden reach, discover new channels for user acquisition, and create impactful integrations that bring…

Feb 9, 2026
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gumloop logo
Full-time|On-site|San Francisco Office

Join our dynamic team at gumloop as a Senior Full Stack Engineer, where you will play a pivotal role in shaping our technology landscape.Take ownership of end-to-end feature development: design, implement, test, deploy, and maintain your creations in production.Collaborate closely with users to swiftly transform feedback into actionable improvements, achieving results within hours, not days.Develop and manage scalable front-end and back-end solutions that maintain speed and reliability as user traffic increases.Contribute to the growth of the team by reviewing pull requests, providing context, and mentoring junior engineers.

Nov 28, 2024
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CreatorIQ logo
Full-time|Hybrid|San Francisco

At CreatorIQ, we are dedicated to revolutionizing creator-led growth, empowering over 1,300 global brands and agencies to thrive.Our mission is to humanize businesses while amplifying the impact of individuals. Guided by our core values—intentionality, excellence, collective journey, and humanity—we have been recognized as one of the best workplaces by various programs, including BuiltIn LA and NY. Our growth story includes being named one of the Fastest-Growing Companies in North America by Deloitte Technology Fast 500™ for four consecutive years, and being highlighted as a leader in IDC MarketScape: Worldwide Influencer Marketing Platforms for Large Enterprises in 2025, among others. Our flexible work model fosters collaboration and innovation, accommodating diverse working styles.Join us in our exciting journey. Become a vital part of our dynamic team and help transform the industry!Senior Full Stack Engineer, Creator RecruitWe are looking for a talented Senior Full Stack Engineer to enhance our Creator Tools team. Your contributions will significantly improve user experiences and help us develop scalable solutions for our expanding platform.The ideal candidate will possess a strong background in frontend frameworks, solid backend development skills, and a collaborative spirit suited for a fast-paced environment. You should be ready to take ownership of features, contribute to architectural decisions, and maintain high coding standards.The Creator Tools team is responsible for developing all user-facing features on our platform, directly impacting the lives and livelihoods of creators who utilize our tools to earn and sustain their businesses.From payment processing and social authentication to e-commerce solutions and campaign workflows, we enable the full creator experience. Every feature you develop and enhancement you implement is integral to delivering a seamless, intuitive platform that empowers creators to grow and earn with confidence.This role allows you to make an immediate and meaningful difference in the lives of creators who rely on our platform to pursue their passions.

Mar 26, 2026
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Wonderschool logo
Full-time|$180K/yr - $220K/yr|On-site|San Francisco

Join Wonderschool as a Senior Full Stack Engineer At Wonderschool, we believe every child deserves exceptional early childhood education that unleashes their potential. Our mission is to empower childcare providers—small business owners—by providing them with software, coaching, and support to successfully launch and grow their programs, while also collaborating with governments to enhance childcare infrastructure. We are at the forefront of creating an innovative platform that seamlessly integrates marketplace functionality, SaaS solutions, and public sector systems, increasingly powered by AI. Our products are designed to assist providers in managing all aspects of their businesses—from enrollment and marketing to compliance and daily operations. Our dedicated and agile team is committed to developing scalable systems. We prioritize individuals who take initiative, embrace rapid experimentation, and utilize modern tools—including AI and automation—to maximize their impact. Position Overview As a Senior Full Stack Engineer, you will play a pivotal role in developing the foundational systems that drive Wonderschool’s platform. You will enable providers to build and expand their businesses, empower governments to implement programs at scale, and assist families in accessing quality care. You will oversee features from conception to deployment, collaborating across front-end, back-end, and data layers to create high-quality, scalable products. This role requires a builder's mindset, as you will work closely with product, design, and go-to-market teams to transform real-world challenges into effective, user-friendly solutions. Success will be measured by your ability to deliver quickly, enhance system reliability, and leverage modern tools—including AI—to boost development speed and product effectiveness. Key Responsibilities Lead Product Development Design, develop, and deploy full-stack features that enhance experiences for providers, parents, and government entities. Manage the entire development lifecycle—from scoping and architecture to implementation and production support. Write clean, maintainable code with comprehensive test coverage. Identify and resolve production issues across the technology stack. Enhance Product Impact Collaborate closely with Product, Design, and Data teams to develop features that address real customer needs. Gain a thorough understanding of customer workflows and use cases. Contribute technical insights and tradeoff analyses to product decisions. Work collaboratively with go-to-market teams to refine user needs and improve product outcomes. Optimize Systems for Scalability Design systems and data models that facilitate complex workflows and enhance scalability. Continuously improve system performance and reliability. Proactively identify opportunities for automation and innovation.

Mar 18, 2026
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fabrion logo
Full-time|On-site|San Francisco Bay Area

Founding Full Stack EngineerLocation: San Francisco Bay AreaType: Full-TimeCompensation: Competitive salary + significant equity (founding tier)Supported by 8VC, we are assembling a top-tier team to address one of the industry's most pressing infrastructure challenges.About the RoleWe are seeking a founding full stack engineer to help design and build our platform from the ground up. This is a rare opportunity to influence a substantial portion of the technology stack and advance into a leadership position with considerable equity potential.You will work on infrastructure that merges extensive data systems with AI-driven agents. This role offers a high degree of autonomy and ownership over core architecture and the foundational team culture.Your responsibilities will include writing production code for both backend and frontend, defining interfaces between components, shaping devops and data infrastructure, and translating abstract ideas into functional systems. If you thrive in an environment with rapid feedback, direct impact, and long-term rewards, this position is ideal for you.ResponsibilitiesDesign and develop scalable APIs, backend services, and web application componentsContribute across the technology stack: data pipelines, agents, web UIs, and deployment systemsCreate and implement internal tools, testing frameworks, and CI/CD pipelinesCollaborate closely with product and design teams to quickly prototype and deliver featuresHelp establish engineering processes, contribute to documentation, and foster the early team cultureOur Technology StackWhile familiarity with the entire tech stack is beneficial, the ability to quickly learn and adapt to new technologies is paramount. You will encounter technologies such as:Languages: TypeScript (Node.js), Python (FastAPI)Frontend: React, Next.js, TailwindBackend: Postgres, DuckDB, GraphQL (Hasura), Kafka, RESTCloud/Infra: AWS, Docker, GitHub Actions, ArgoCD, Kubernetes (basic)AI/Agents: LangChain, LangGraph, OpenAI, Anthropic, LLaMA, Pinecone, QdrantGovernance: Keycloak, Open Policy Agent (OPA), OpenTelemetryVisualization: Vega, Flourish, React ReChart

Aug 11, 2025
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Wonderschool logo
Full-time|$140K/yr - $140K/yr|On-site|San Francisco

Wonderschool creates software that helps small business owners, especially in childcare, grow their businesses. The company is expanding into new sectors, bringing technology to markets that are ready for change. AI is central to Wonderschool’s work, with OpenClaw agents supporting outreach, customer engagement, enrollment, and compliance. The vision is to let non-engineers set up automations and workflows directly from Slack, without needing to write code. Long term, the aim is for AI agents to autonomously build products. The team values quick iteration and focuses on results. Engineers here want their work to have a direct, visible impact. Role overview This Full Stack Software Engineer - Applied AI role centers on building and refining AI-driven systems, supporting internal teams, and delivering features across the stack. The position is based in San Francisco. What you will do Review code generated by AI tools such as Claude Code and Codex, providing feedback to improve agent performance. Design and document codebases for clarity, update data models, and remove outdated patterns to streamline agent development. Develop and manage the automated product pipeline, including signal detection, AI-generated requirements, and code review workflows. Troubleshoot and resolve production issues with AI agents. Create infrastructure and tools so operations, sales, and customer success teams can manage the platform independently. Translate internal needs into automated, reliable systems. Guide non-engineers in understanding and using new solutions. Build features across the stack using React and TypeScript on the front end, Node.js or Elixir on the back end, and Postgres for data storage. Own the product lifecycle from requirements through deployment. Diagnose and fix issues across the stack. Location This role is based in San Francisco.

Apr 23, 2026
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arine logo
Full-time|On-site|San Francisco (Bay Area - Preferred)

Join our innovative team at arine as a Full Stack Software Engineer, where you'll have the opportunity to work on cutting-edge technologies and create impactful solutions. As a vital part of our software development team, you will collaborate with cross-functional teams to design, develop, and maintain web applications that provide exceptional user experiences.

Mar 25, 2026
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Harvey logo
Full-Time|On-site|San Francisco

Join the Revolution at HarveyAt Harvey, we are at the forefront of transforming legal and professional services from the ground up. Our innovative approach combines cutting-edge AI, a robust enterprise platform, and extensive domain expertise to redefine how knowledge work is performed for generations to come.This is an exceptional opportunity to contribute to a groundbreaking company poised for exponential growth. With over 1,000 customers in more than 58 countries, a solid product-market fit, and top-tier investor backing, we are rapidly scaling and creating new industry standards. Our ambitious projects demand high standards, and the potential for personal, professional, and financial growth is unparalleled.We pride ourselves on a sharp, driven team that is deeply committed to our mission. We thrive in a fast-paced environment, take ownership of our challenges, and work collaboratively across all levels, from leadership to engineers, to tackle pressing issues with urgency and care. If you excel in ambiguous situations, strive for excellence, and want to help shape the future of work alongside a team that pushes boundaries, we encourage you to join us.At Harvey, we are writing the future of professional services, and we’re just getting started.Role OverviewAs a Staff Software Engineer on our Product Engineering team, you will spearhead engineering initiatives across our diverse product lines. Collaborating closely with our AI, Legal, and go-to-market teams, you will design and implement secure systems that deliver substantial value to our clients. We seek individuals with comprehensive experience across the technology stack and a passion for developing innovative application layer and generative AI products.This position is located in San Francisco, CA, and follows an in-person work model. We also provide relocation assistance for new hires.Your ResponsibilitiesDevelop retrieval systems for managing vast document collections exceeding petabytes in size.Create organizational-level interfaces for seamless collaboration with AI technologies.Oversee dedicated GPU capacity across multiple regions.Design sophisticated 1000-step planning agents to assist companies in public offerings.Implement government-level security measures for highly sensitive information.Evaluate large language models across a comprehensive taxonomy of over 10,000 tasks.Conduct internet-scale data collection initiatives across 50+ jurisdictions.

Aug 20, 2025
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Shepherd logo
Full-time|On-site|San Francisco

About ShepherdAt Shepherd, we are pioneering a technology-driven approach to transforming commercial Property & Casualty insurance, specifically within high-hazard industries. Our objective is to streamline risk management for the builders and operators who are shaping the physical world, ensuring that progress is safeguarded from the initial concept phase through construction and into long-term operations.We are developing the most advanced and efficient commercial risk platform, where our underwriting expertise integrates seamlessly with data and automation to provide:Accelerated decision-making processesMore intelligent and precise pricing modelsEnhanced risk outcomesWith Shepherd, we are redefining the interplay between safety, speed, and quality, allowing these elements to work in synergy rather than at odds. Our aim is not merely to modernize insurance products, but to create the risk infrastructure necessary for the next generation of financial services, where technology, underwriting, and partnerships coalesce to support vital industries and the progress they enable.

Jul 9, 2025
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Elite Solutions logo
Full-time|On-site|San Francisco, California, United States

Join our dynamic team at Elite Solutions as we expand our AI-driven initiatives! We are in search of talented developers, engineers, and researchers who are eager to shape the future of artificial intelligence systems.Whether your expertise lies in creating user-friendly interfaces, developing robust back-end systems, training advanced AI models, or designing scalable infrastructure, we have a place for you!If you're unsure where your skills best fit, don't worry—we'll provide guidance. Explore the roles below and let us know which aligns with your interests and abilities.1. Front-End DeveloperResponsible for designing and implementing engaging user-facing applications and dashboards. Key Skills: React, JavaScript/TypeScript, TailwindCSS, Figma, UX principles.2. Back-End DeveloperTasked with building APIs and server-side systems that drive AI tools and data pipelines. Key Skills: Python, FastAPI, Go, SQL/NoSQL, REST/GraphQL.3. Full-Stack EngineerDevelops complete applications that link front-end interfaces with back-end AI logic. Key Skills: Combination of Front-End and Back-End skills, API design, CI/CD.4. Machine Learning EngineerResponsible for deploying, fine-tuning, and maintaining AI models in production. Key Skills: PyTorch/TensorFlow, MLOps, model serving, inference optimization.5. Data EngineerBuilds scalable data pipelines and manages datasets essential for training and evaluation. Key Skills: Apache Airflow, Spark, SQL, Python, BigQuery, ETL systems.6. Research EngineerBridges the gap between AI theory and practical application by developing prototypes. Key Skills: Python, ML libraries, LLM experimentation, rapid prototyping.7. DevOps / Site Reliability Engineer (SRE)Ensures the reliability, monitoring, and automation of AI systems. Key Skills: Kubernetes, Docker, Prometheus, CI/CD, Python/Bash.8. Infrastructure EngineerDesigns and maintains the cloud infrastructure that supports AI training and deployment. Key Skills: AWS/GCP, Terraform, distributed systems, cost optimization.9. Security EngineerResponsible for securing the platforms and services that support our AI stack. Key Skills: Cloud security, identity management, penetration testing, audits.10. AI Researcher (LLM / CV / RL)Conducts experiments to advance the science behind our models, including LLMs, computer vision, and reinforcement learning. Key Skills: Research publications, advanced ML theory, model development, experimentation.

Feb 28, 2026
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Promise logo
Full-time|On-site|San Francisco

Join Promise as a Full-Stack Software Engineer, where you will play a crucial role in developing innovative software solutions. In this dynamic position, you will collaborate with cross-functional teams to design, implement, and optimize full-stack applications. Your expertise will be vital in enhancing user experiences and driving technical excellence across our projects.

Mar 3, 2026
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Astranis logo
Full-time|On-site|San Francisco

Astranis is pioneering the development of advanced satellites positioned in high orbits, greatly enhancing humanity's technological capabilities in space. Our satellites deliver dedicated, secure communication networks to a diverse clientele worldwide, including large corporations, governmental bodies, and the United States military. With five satellites currently in orbit and several more scheduled for launch, we are addressing a significant backlog of over $1 billion in commercial contracts.As the preferred satellite communication provider for clients with rigorous demands for uptime, data security, network transparency, and custom solutions, Astranis has successfully raised over $750 million from leading investors such as Andreessen Horowitz, Blackrock, and Fidelity. Our innovative team comprises 450 talented engineers and entrepreneurs, all working within our expansive 153,000 sq. ft. headquarters located in Northern California.Senior Full-Stack Software Engineer, Enterprise SystemsWe are on the lookout for a highly skilled Senior Full-Stack Software Engineer to develop robust software systems that facilitate automated testing, manufacturing, and real-time control of our spacecraft and flight hardware. In this role, you will collaborate across various disciplines—including hardware, embedded systems, operations, production, and software—to create comprehensive full-stack applications that automate and validate essential flight components, while also supporting testing, integration, and ground control operations.This position is crucial and multidisciplinary. You will take ownership of the development of internal tools used for testing, operating, and monitoring spacecraft, which will vary from low-level hardware interfaces to web-based control panels for telemetry and command operations.

Mar 9, 2026
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Fluency logo
Full-time|On-site|San Francisco

Join the Revolution in Enterprise AutomationAt Fluency, we are at the forefront of creating the autonomous Enterprise. We are searching for an exceptional full-stack software engineer to help us redefine the way enterprises operate and interact with data. Step into the future with us!Your role will involve tackling challenges that currently have no predefined solutions. You will handle terabytes of workflow data in real-time for our enterprise clients, developing systems that map relationships, contextualize, and analyze work patterns across entire organizations. Picture the human genome project, but for enterprise workflows!As a key team member, you will create innovative data structures and pipelines capable of processing billions of events daily. You will also contribute to groundbreaking research by authoring whitepapers on unprecedented methodologies. This is an opportunity to operate at the cutting edge of data science, where the existing playbook is still being written.With backing from top-tier VCs like Accel, we are poised for significant growth with enterprises across the globe.You will collaborate closely with our founders and engineering team to tackle unprecedented technical challenges: real-time data processing at massive scale, developing a universal taxonomy for work across diverse industries, and constructing systems that manage the most complex enterprise data environments on the planet.

Apr 13, 2026
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Gridware logo
Full-time|On-site|San Francisco, CA

Join Our Team at GridwareAt Gridware, we are at the forefront of technology, dedicated to safeguarding and optimizing the electric grid. Based in San Francisco, we have pioneered a revolutionary grid management approach known as Active Grid Response (AGR). Our focus is on monitoring the electrical, physical, and environmental elements that influence grid reliability and safety. Through our advanced Active Grid Response platform, we utilize high-precision sensors to identify potential issues early, facilitating proactive maintenance and fault mitigation. This holistic strategy enhances safety, minimizes outages, and ensures efficient grid operations. Backed by leading climate-tech and Silicon Valley investors, we are committed to making a difference in our industry. Discover more about us at www.Gridware.io.Your Role:We are seeking an experienced Senior Software Engineer with a robust frontend focus to contribute to the development of our core software systems. In this role, you will lead the creation of user-friendly tools that visualize grid health, fleet diagnostics, and real-time field events, while maintaining strong connections to the backend systems that support these functionalities.Your responsibilities will span the entire software stack, allowing you to design and scale intuitive, dependable interfaces that operate over complex backend services integrating hardware, firmware, and cloud infrastructure. This is a high-responsibility, impactful position that combines frontend craftsmanship with full-stack problem solving, giving you the chance to influence how operators interact with and safeguard critical infrastructure on a large scale.

Oct 30, 2025
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OpenAI logo
Full-time|On-site|San Francisco

Role Overview OpenAI Edu is hiring a Full Stack Software Engineer in San Francisco. This role centers on building educational tools and platforms, contributing to both the front end and back end of new products. What You Will Do Design and develop features across the stack, from user interfaces to server-side logic. Collaborate closely with engineers to deliver reliable, high-quality software. Apply knowledge of multiple programming languages and frameworks to support project needs. Troubleshoot and resolve technical issues to improve system performance and functionality. Location This position is based in San Francisco.

Apr 16, 2026
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Thinking Machines Lab logo
Full-time|$350K/yr - $475K/yr|On-site|San Francisco, California

Thinking Machines Lab brings together scientists, engineers, and innovators who have contributed to well-known AI products such as ChatGPT, Character.ai, and open-weight models like Mistral. The team’s open-source projects include PyTorch, OpenAI Gym, Fairseq, and Segment Anything. Their mission centers on advancing collaborative general intelligence and making AI tools accessible for a wide range of users and goals. The Tinker platform offers a fine-tuning API that lets researchers and developers tailor advanced AI models to their needs. By handling the underlying infrastructure, Tinker enables users to train open-weight models with custom data, algorithms, and objectives. As demand grows, the team is adding new features and supporting an expanding community. Role overview The Full Stack Software Engineer will play a key part in building and maintaining the products and services that Tinker users depend on. This position involves working closely with frontend, backend, and infrastructure teams to deliver the Tinker console, developer tools, and essential features. What you will do Develop and enhance Tinker’s APIs and backend services using Python and Rust, focusing on areas like job submission, orchestration, billing, and usage tracking. Design and launch user interfaces, including the Tinker console and upcoming developer tools, using React and TypeScript. Refine the developer experience by improving SDK usability, error messages, API design, and onboarding processes. Work to increase system reliability, observability, and security in production, and participate in on-call rotations. Create internal tools that help research and infrastructure teams work more efficiently. Location This role is based in San Francisco, California.

Apr 28, 2026
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OpenAI logo
Full-time|On-site|San Francisco

Join OpenAI as a Manager of AI Deployment Engineering for our Codex team. In this pivotal role, you will lead initiatives to deploy cutting-edge AI technologies, ensuring efficient integration and transformative impact across various platforms. Your expertise will drive the development of innovative solutions that enhance user experiences and streamline operations.

Apr 9, 2026
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Thinking Machines Lab logo
Full-time|$350K/yr - $475K/yr|On-site|San Francisco

At Thinking Machines Lab, our mission is to empower humanity by advancing collaborative general intelligence. We envision a future where everyone has access to the knowledge and tools necessary to tailor AI to their unique needs and aspirations.Our team consists of scientists, engineers, and innovators who have developed some of the most widely utilized AI products, such as ChatGPT and Character.ai. We are also the creators of open-weight models like Mistral, along with popular open-source projects including PyTorch, OpenAI Gym, Fairseq, and Segment Anything.About the RoleWe are in search of a talented Full Stack Engineer to create and deploy products from initial prototype to full-scale implementation. You will maintain tools that enhance the efficiency of our research and product teams, working on both frontend and backend components while contributing to the reliability, observability, and security of our production environment.This position is categorized as an

Nov 27, 2025
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Sandberg Goldberg Bernthal Family Foundation logo
Full Stack Software Engineer at SGBFF | San Francisco

Sandberg Goldberg Bernthal Family Foundation

Full-time|On-site|San Francisco, CA

About UsThe Sandberg Goldberg Bernthal Family Foundation (SGBFF) is dedicated to fostering a more equitable and resilient global community. Through our initiatives, including LeanIn.Org, LeanInGirls.Org, OptionB.Org, and the Dave Goldberg Scholarship Program, we empower individuals to support each other's growth.Through a blend of community engagement, research-driven content, and impactful programs, we equip women and their allies with the skills, confidence, and networks they need to achieve their aspirations. We believe that change is possible through collaboration, and while your primary focus will be on Lean In, you will have the chance to influence multiple purpose-driven projects.Role SummaryWe are looking for a dynamic and self-directed Full Stack Software Engineer to develop and sustain the technical framework that supports our digital initiatives. You will engage with the entire technology stack—from front-end user experiences to back-end systems and databases—taking full ownership of features from ideation to implementation. This position is ideal for individuals who excel in autonomy and can propel projects without continuous supervision.

Feb 23, 2026
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Owner.com logo
Full-time|$200K/yr - $240K/yr|Remote|Remote

About Owner.comOwner.com is revolutionizing the growth of local restaurants through advanced AI technology. Our platform consistently enhances SEO, marketing strategies, and online ordering systems, empowering restaurant owners to boost their first-party orders effortlessly. Unlike traditional software that burdens small business owners, Owner.com offers a streamlined, expert-driven system that drives sales efficiently.Think of Owner.com as your dedicated team of engineers and marketers, advocating for you just like the major chains do.Our VisionOur mission begins with supporting independent restaurants in their online success. However, we recognize that many local businesses face similar challenges. Large tech conglomerates are encroaching on their market share, impacting their profitability and survival. Once we refine our solutions for restaurants, our aim is to extend this success to all types of local businesses.We envision a future where millions of local entrepreneurs leverage our technology to thrive in the digital landscape.Our TractionSince our inception in 2020, we have achieved significant milestones, generating tens of millions in revenue and processing over $500 million in online orders. Currently, 1 in 5 Americans has interacted with an Owner.com website, and we have assisted more than 20,000 restaurant owners, saving them nearly $200 million in fees.Our TeamOur dedicated team comprises top talent from renowned companies in the SMB software sector, including Shopify, HubSpot, DoorDash, ServiceTitan, Rappi, Faire, and Stripe. We are poised for rapid expansion in 2026 to meet our growing customer base.Work EnvironmentOwner.com embraces a remote-first approach, with our headquarters located in San Francisco and a sales hub in Toronto. While we prioritize in-person collaboration for certain roles, the majority of our team works remotely from diverse locations worldwide. Please refer to the role description for further details on location preferences.

Jan 7, 2026

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