Senior Software Engineer - AI Applications

About the RoleAs a Software Engineer, you will play a pivotal role in developing applications utilized by customers, deployment partners, researchers, and various internal teams to diagnose, educate, and perform quality assurance on our robotic systems.This position involves cutting-edge full-stack web and API engineering in a rapidly evolving AI-driven landscape.Your Responsibilities Will Include:Designing and implementing external and internal API interfaces for seamless interaction with Generalist systems.Creating tools and workflows that support and expedite the core objectives of researchers, engineers, and operations teams across the organization.Developing the primary web application used by researchers, operations, and deployment teams to assess and train robotic models.You May Excel in This Position If You:Possess a strong intuition for crafting exceptional user interfaces and experiences.Have a solid understanding of modern web stack technologies, including Typescript, React, FastAPI, Postgres, and AWS.Know how to effectively manage and utilize contemporary AI coding agents to enhance development speed while ensuring high production quality.

About Our TeamAt OpenAI, we are committed to ensuring that Artificial General Intelligence (AGI) benefits everyone globally. Our mission can only be fulfilled if AGI translates into tangible advantages across diverse industries. Within our B2B Applications team, we strive to assist businesses, enterprises, and governments in redefining their operations to empower individuals and accelerate economic progress.We design and maintain products that leverage our pioneering research to serve millions of companies and developers worldwide. Our technology underpins the OpenAI API and enterprise solutions, enabling users to enhance their productivity and efficiency. Our collaborative teams encompass product engineering, backend infrastructure, and safety, all working in unison to ensure that OpenAI’s technology is delivered reliably, securely, and with an exceptional user experience.Role OverviewWe are seeking talented full stack engineers to architect and scale the systems powering our developer and enterprise products. In this position, you will explore the forefront of OpenAI’s latest technologies, facilitating interactions and automations that are not only functional but also engaging. We value proactive and product-oriented engineers who can maintain a holistic perspective while attending to the intricate details that create outstanding products.Key Responsibilities:Lead the complete development lifecycle for innovative enterprise products.Work collaboratively with product managers, designers, and external clients to identify challenges and devise effective solutions.Partner with the research team to enhance our next-generation models.Ideal Candidate Profile:5+ years of professional engineering experience in relevant roles at technology and product-focused organizations.Experience as a founder or early engineer at a startup, with a background in building products from the ground up is a bonus.Strong proficiency in TypeScript, React, and other web technologies.Proficient in one or more backend programming languages (e.g., Python, Go, Rust, TypeScript) and familiar with distributed systems concepts.Experience with relational databases such as PostgreSQL or MySQL.A strong commitment to reliability, safety, and performance in production environments.An interest in AI/ML, though direct experience is not mandatory.Proven ability to flourish in a fast-paced, evolving environment.

About Our TeamAt OpenAI, we are driven by a profound mission: to ensure that Artificial General Intelligence (AGI) is beneficial to all of humanity. Our commitment to this mission extends to the B2B sector, where we aim to empower businesses, enterprises, and governments to transform their operations, fostering economic growth and enhancing human potential.We develop and manage innovative products that bridge our groundbreaking research with millions of companies and developers globally. Our technology powers the OpenAI API and various enterprise solutions, enabling users worldwide to enhance their productivity and efficiency. Our diverse teams, specializing in product engineering, backend infrastructure, and safety, collaborate to deliver OpenAI's technology with utmost reliability, security, and an exceptional user experience.About the RoleWe are seeking talented Frontend Engineers to design and implement user interfaces that make advanced AI intuitive and accessible. In this role, you will collaborate closely with design, product management, and research teams to create responsive, high-performance, and secure web applications that bring OpenAI’s models and enterprise products to life.This position is based in either San Francisco, CA, or New York City, NY. We operate on a hybrid work model, requiring 3 days in the office each week, and we offer relocation assistance to new hires.Your ResponsibilitiesDevelop and maintain scalable web applications utilizing modern JavaScript/TypeScript, React, and accompanying technologies.Create reusable UI components and front-end frameworks to expedite product development.Enhance client performance while ensuring cross-browser and device accessibility.Collaborate with designers to craft user-friendly and visually appealing interfaces.Participate actively in end-to-end product planning and strategic decision-making.You Will Excel in This Role If You:Possess 5+ years of professional experience (excluding internships) in building production-grade web applications.Are proficient in TypeScript/JavaScript, React, and contemporary web development tools.Demonstrate a strong commitment to design fidelity, performance, and accessibility standards.Enjoy rapid iteration to deliver polished, user-centric features.Previous experience as a founder or early engineer at a startup is a plus.

About Our TeamAt OpenAI, we are committed to ensuring that Artificial General Intelligence (AGI) benefits all of humanity. Our B2B applications team plays a crucial role in this mission, as we empower businesses, enterprises, and governments to revolutionize their operations, ultimately driving economic growth and enhancing human potential.We design, develop, and manage innovative products that bridge our groundbreaking research with real-world applications. Our infrastructure powers the OpenAI API and various enterprise solutions, enhancing productivity and efficiency for users globally. Our multidisciplinary teams collaborate in product engineering, backend infrastructure, and safety, ensuring OpenAI’s technology is delivered with utmost reliability, security, and an exceptional user experience.Your RoleWe are seeking talented backend engineers to architect and scale the systems that underpin our developer and enterprise applications. In this role, you will be responsible for building and maintaining the services and infrastructure that drive OpenAI's applications, which include large-scale distributed systems, databases, APIs, and data pipelines. You will work closely with product, research, and infrastructure teams to integrate new AI capabilities into production while ensuring performance, safety, and compliance on a global scale.Key Responsibilities:Lead the complete development lifecycle for new platform features and integrations with external systems.Collaborate with product managers, designers, and external stakeholders to identify challenges and implement innovative solutions.Partner with the research team to enhance the next generation of AI models.Your Background:5+ years of professional software engineering experience in roles at technology or product-focused companies.Experience as a founder or an early engineer in a startup environment is highly desirable.Proficient in one or more backend programming languages (e.g., Python, Go, Rust, TypeScript) and have a solid understanding of distributed systems.Passionate about building infrastructure that can handle billions of requests and manage vast datasets.Demonstrate a strong commitment to reliability, safety, and performance in production systems.An interest in AI/ML technologies is a plus, though direct experience is not mandatory.

About Our TeamAt OpenAI, our Applications Engineering team is pivotal in crafting and enhancing our core productivity ecosystem. We are not just custodians of SaaS solutions; we develop tailored tools, integrations, and automation processes that address challenges that off-the-shelf software cannot. Our deep technical expertise allows us to bridge gaps between teams and operationalize applications for scalability, providing secure, seamless, and innovative experiences for our employees. We thrive on designing and implementing custom solutions that streamline workflows, reduce friction, and enhance productivity, enabling teams to concentrate on their primary missions.About the PositionAs a Software Engineer focused on Internal Applications for Enterprises, your primary responsibility will be to elevate employee technology services through automation, Infrastructure-as-Code (IaC), and the creation of advanced workforce tools. You will utilize OpenAI's models to optimize identity and access management (IAM) systems, develop applications and dashboards for internal users, and automate complex workflows. This position entails designing and implementing efficient, secure, and scalable solutions, including intelligent Slack bots and integrations that bolster operational efficiency and enhance user experience.We are looking for innovative individuals who are passionate about harnessing automation and software engineering to tackle complex workforce technology challenges. A robust background in infrastructure automation, cloud services, and a thorough understanding of identity management solutions is essential. Your ability to construct scalable and resilient systems, combined with a problem-solving orientation, will be critical to your success in this role.Your Responsibilities Will Include:Designing, building, and maintaining secure, scalable, and high-performance workforce technology infrastructure, automation workflows, and customized tools to enhance the OpenAI employee experience.Delivering essential IT efficiencies and automation through custom software development and first-party tools to improve technology service delivery.Utilizing modern Infrastructure-as-Code (IaC) practices, developing GitOps-driven solutions to manage technology workflows at scale.Creating and managing CI/CD pipelines for corporate infrastructure, ensuring deployment to progressively tested environments across multiple clouds (Azure, AWS, GCP).Developing scalable internal tools and dashboards to enhance workflows and improve visibility.

Fastly is looking for a Staff Software Engineer to focus on Edge Applications in San Francisco, CA. This role centers on designing and building software that leverages edge computing to deliver reliable, high-performance solutions for clients. Role overview This position involves creating software that takes advantage of edge computing technologies. The goal is to support strong performance and reliability for Fastly’s customers. What you will do Design and implement solutions using edge computing technology. Develop software that meets high standards for quality and reliability. Collaborate with teams across engineering, product, and operations to build scalable applications. Integrate new features with existing systems to maintain smooth operation. Requirements Experience building software for edge computing or distributed systems. Ability to work with colleagues from different technical backgrounds. Dedication to creating efficient, maintainable, and scalable applications.

Block, Inc. is hiring a Software Engineer for Finance Applications in the Bay Area, CA. This role centers on building and maintaining software that supports the company’s financial operations. Role overview As a Software Engineer focused on finance applications, the work involves designing, developing, and supporting tools that help users manage financial tasks. The team values collaboration and relies on input from engineering, product, and other departments to deliver effective solutions. What you will do Develop and maintain finance-related applications for internal and external users Work closely with colleagues across teams to ensure applications meet business needs Contribute to the design and architecture of new financial features Collaboration This position requires regular communication with cross-functional partners, ensuring that financial applications are reliable and meet the needs of the business.

SquareTrade is looking for a Software Engineering Manager to lead the Customer Applications team in San Francisco. This role centers on developing software that shapes how customers experience SquareTrade’s products and services. Role overview This leadership position involves guiding a team of engineers dedicated to customer-facing applications. The manager will play a key part in ensuring these applications meet both user needs and business objectives. What you will do Direct and support a team of engineers focused on building and maintaining customer applications Manage the entire software development lifecycle, including planning, development, and deployment Mentor engineers to support their professional growth Collaborate with product, design, and other teams to keep projects aligned with company goals Location This position is based in San Francisco.

Role overview abby-care seeks an Enterprise Applications Developer in San Francisco. This position centers on designing, building, and maintaining applications that help run business operations at scale. The developer will work with teams across the company to understand their needs, deliver tailored solutions, and connect new software with existing systems. What you will do Design and develop enterprise applications that address business requirements Maintain and enhance existing software as company needs change Work closely with cross-functional teams to gather requirements and incorporate feedback Integrate new applications with current systems to ensure smooth operation Location This role is based in San Francisco and requires on-site presence.

SquareTrade seeks a Software Engineering Manager to lead the Customer Applications team in San Francisco. This manager will direct a group of experienced engineers focused on building and improving applications that support both customers and business objectives. Role overview This position involves guiding engineers as they develop customer-facing software. The manager will play a key part in shaping technical direction and ensuring the team delivers reliable, user-friendly applications. What you will do Lead and mentor software engineers working on products used directly by customers Oversee all phases of the software development lifecycle, from initial planning through release Foster a collaborative and supportive team environment that encourages technical growth Maintain a focus on scalability, efficiency, and usability in all applications Requirements Solid technical background in software engineering Experience managing or mentoring engineering teams Strong communication skills Dedication to building high-quality software for customers

Fortune Brands Innovations, Inc. seeks an iOS Mobile Application Developer based in San Francisco. This position centers on designing and building mobile apps for iOS devices, with a strong emphasis on user experience and technical quality. Collaboration with colleagues from various teams is a key part of the role, as is adopting new technologies to enhance product offerings. Key Responsibilities Design and develop applications for iOS platforms Collaborate with cross-functional teams to deliver intuitive and dependable user experiences Incorporate new technologies to strengthen mobile products Maintain high standards throughout the development process Team Culture The team values open collaboration and ongoing improvement. Each member contributes to shaping products that reach a broad audience.

Backend Software Engineer – AI Applications San Francisco Bay Area | Hybrid (3 days onsite, 2 remote)About TrueMeterAt TrueMeter, we are revolutionizing the way businesses manage their energy costs. The U.S. power grid was not designed for the AI era, and we are here to change that. With the rising demand for data centers and the lagging adoption of renewable energy, many businesses are facing increasing utility bills. Our solution? The AI Energy Agent—a system that simplifies and reduces energy costs by consolidating multiple utility bills into a single, affordable subscription. Since our MVP launch in May 2024, we have successfully onboarded millions in energy spending from notable brands. As a seed-stage startup backed by prominent Silicon Valley investors, we are poised for rapid growth.If you are passionate about developing AI-driven systems that can make a significant impact on the planet, we want to hear from you!The RoleWe are seeking a Backend Software Engineer (AI Applications) who thrives in fast-paced, early-stage environments. In this role, you will transform ideas and prototypes into functional systems in a matter of days.You will be responsible for creating the backend infrastructure that powers our AI Energy Agent, including LLM-driven systems that analyze, structure, and interpret energy data. This includes integrating with multiple utility APIs, managing data pipelines, and developing services that ensure our AI solutions are effective and reliable.You will collaborate closely with the co-founder/CTO and a talented team of engineers, designing scalable backend systems that can grow from 10 customers to 10,000, all while taking ownership of your work and delivering with pride.What You Will CreateAI-Driven Backends: Develop production systems that connect LLMs and coding agents to our data and product APIs.Service Architecture: Design and implement fast, secure microservices using Python (and optionally TypeScript).Data Integration: Build reliable connectors to energy company portals and public data sources.Infrastructure for Intelligence: Help architect the backend infrastructure that enables AI agents to read, reason, and act autonomously across our data stack.Performance & Scalability: Own systems that are designed to operate 24/7 with low latency and high reliability.

Join Our Mission at Hayden AIAt Hayden AI, we strive to leverage cutting-edge computer vision technology to revolutionize how transit systems and government agencies tackle real-world challenges.Our innovative mobile perception system is designed to enhance transit efficiency, improve street safety, and foster a sustainable future through various applications, including bus lane enforcement and transportation optimization technologies.Your RoleAs a pivotal member of the Hayden Software Engineering team, you will help develop our next-generation Automated Bus Lane Enforcement product. You will be engaged in creating, integrating, and deploying edge-based perception models.This position is centered around C++ software engineering. You will be responsible for delivering high-quality, modern C++ (C++17/20) code that operates on embedded Linux edge devices, primarily utilizing the NVIDIA Embedded Platform.Your work will involve building and optimizing real-time CV/ML pipelines on-device, incorporating CUDA/TensorRT and efficient camera/video input/output.You will collaborate closely with Product Management to translate customer requirements into effective software solutions.Being part of a startup, you will thrive in a fast-paced, dynamic environment with evolving challenges.As we expand, your contributions will help establish a robust foundation through well-designed and thoroughly tested code that can be shared across the organization.

Join Our Dynamic TeamAt OpenAI, the ChatGPT division is at the forefront of redefining how individuals interact with advanced AI technologies. Our team is expanding across various domains, including Growth, Ecosystems, Personalization, and Search Infrastructure, all dedicated to crafting the next era of AI-enhanced products and platforms.Role OverviewWe are looking for a talented iOS Software Engineer to develop and enhance the ChatGPT iOS application. In this pivotal role, you will:Design and implement innovative iOS features that push the limits of AI-powered mobile applications.Enhance app performance, architecture, testing coverage, development tools, and overall reliability.Work collaboratively with Product, Design, Research, and Engineering teams to elevate user satisfaction.Take ownership of components from conception to deployment — including design, implementation, testing, and iterative improvements.Integrate seamlessly with backend and AI systems to create exceptional mobile experiences.Your ProfileExtensive experience in iOS development (Swift/Objective-C), with proficiency in frameworks like UIKit/SwiftUI, Core Data, and performance optimization.A passion for crafting intuitive, high-performance, and engaging mobile experiences.Enjoy working in cross-functional teams and thrive in a fast-paced, iterative environment.We welcome applicants in San Francisco, New York, and Seattle.About OpenAIOpenAI is a pioneering AI research and deployment organization committed to ensuring that general-purpose artificial intelligence serves the interests of humanity. We strive to develop AI systems that are safe, effective, and beneficial, while embracing diverse perspectives from across the globe. Our mission is to harness the transformative power of AI while prioritizing safety and human-centric values.As an equal opportunity employer, we celebrate diversity and are committed to creating an inclusive environment for all employees.

Join Convex and revolutionize application development!At Convex, we are dedicated to transforming the way developers construct applications. Our mission is to fundamentally reshape software development on the Internet by enabling developers to create fast, reliable, and dynamic applications without the need for backend teams. Our comprehensive full-stack app platform is meticulously designed with database, compute, and backend abstractions, allowing developers and LLMs to innovate quickly while ensuring that products remain scalable and manageable over time.About Our Team:Our team comprises engineers who have designed and built some of the most significant backends worldwide, handling exabytes of data and millions of transactions per second, while delivering desktop and mobile software to billions of devices. We are a friendly, collaborative, and passionate group that thrives on working together in our San Francisco office.Your Role:At Convex, we have a vast product surface area that includes our dashboard, insights, third-party integrations, project management, billing systems, email services, logging, and streaming, all of which are crucial to our customers’ businesses. These products need to be robust, reliable, intuitive, and enjoyable to use. We seek engineers who are passionate about creating excellent product experiences and expanding our offerings, particularly as we advance into higher markets.If you are an engineer with a keen design sensibility who values quality and is skilled at prioritization while collaborating directly with customers and business teams, you will likely be an excellent fit for our team. This role is for those who aspire to do impactful work and utilize product insights to determine the “why” and “what” of our development process, not just the “how”.Your Responsibilities Include:Designing, building, and maintaining Convex’s platforms, dashboard UI, integrations, billing, and other services.Collaborating directly with customers and leadership to define feature development plans.Developing a deep understanding of customer needs and business objectives to make informed tradeoffs and prioritize effectively.Establishing best practices and reliability standards as our team and systems grow.Contributing to a culture of excellence in product development.

Join Our Team as a Software Engineer for ComfyUI DesktopAs a vital member of our engineering team, you will play a crucial role in developing ComfyUI Desktop, the native application that brings one of the most esteemed open-source AI projects to millions of users across Windows and macOS. With millions of downloads each month, ComfyUI Desktop is making waves in the AI community.Your goal is to ensure that the initial user experience is nothing short of magical. When a user downloads ComfyUI, you will be the reason it works seamlessly. You will craft a native experience that simplifies a powerful yet complex tool, making it feel intuitive and effortless.Key Projects You Will Work On Include:Creating a smooth installation and onboarding process that sets up Python environments for all supported operating systems and GPUs.Developing a backup system for user files (models, custom nodes) that ensures accessibility across different environments.Implementing management solutions for multiple ComfyUI environments.Integrating the desktop application with ComfyUI Cloud for a hybrid usage experience.You Could Be a Great Fit If:You've successfully delivered a desktop application in the past, demonstrating your ability to get software onto users' machines and maintain its performance.You possess a strong understanding of Python packaging and environment management (conda, venv, pyinstaller, pip), and have dealt with dependency resolution and cross-platform distribution.You have a solid grasp of the desktop application lifecycle, including packaging, code signing, distribution, and auto-updates across Windows and macOS.Bonus: Familiarity with Electron, our current technology stack.Bonus: Experience with ComfyUI or other node-based creative tools.

At Benchling, we are transforming the biotech landscape for the AI era.When scientific breakthroughs are stalled, the world holds its breath. The journey from molecule discovery to patient treatment, or from laboratory innovations to agricultural fields, encompasses countless slow, manual, and uncoordinated procedures. AI holds the promise to revolutionize this process, significantly reducing R&D timelines from decades to mere years. However, this transformation is only achievable when clean, structured scientific data and AI are seamlessly integrated into scientific methodologies.Benchling serves as the premier AI platform for biotech R&D. Our platform empowers over 200,000 scientists globally, facilitating experiment design, structured data capture, and the execution of AI models directly within their workflows. Leading organizations, including Sanofi, Moderna, and more than half of the top 50 biopharmaceutical companies worldwide, trust Benchling to enhance their most critical research initiatives.ROLE OVERVIEWAs a Software Engineer on the Developer Enablement team, you will be instrumental in constructing the platform that empowers our network of scientific applications. Your role extends beyond mere coding; you will influence how developers, partners, and scientists engage with Benchling’s products, enabling the creation of tools that directly bolster groundbreaking research. Your contributions will redefine scientific workflows, fostering innovation and ensuring the seamless integration of third-party solutions across our platform.The team is focused on various early- to mid-stage initiatives, including developer APIs, event delivery systems, AI-powered agents, and enhanced platform infrastructure to support a burgeoning ecosystem of scientific applications. This diversity allows engineers the flexibility to pursue projects that align with both business objectives and their personal interests and skills. This role is envisioned as a “Developer Platform Engineer,” highlighting the expansive opportunities to contribute across our developer-facing systems.This role is hands-on and high-impact, where your contributions will be visible throughout the company and to our scientific users around the globe. You will collaborate closely with product managers, designers, and fellow engineers, tackling complex challenges while advancing your expertise in platform development and life sciences.

About SemgrepSemgrep is a pioneering force in code security, enabling developers to innovate seamlessly. Our platform empowers teams to identify, flag, and remediate genuine security issues before deployment, leveraging an adaptive security framework that evolves as you build. Semgrep safeguards code in real-time, providing essential guardrails that allow developers to work swiftly while maintaining security. Trusted by security professionals, Semgrep integrates into developers' workflows, delivering solutions without disrupting productivity and providing security teams with critical visibility, control, and assurance. Our AI learns from your coding context, effectively reducing false positives and highlighting actionable vulnerabilities, as validated by 95% of security reviewers across over 6 million findings. With Semgrep, achieving zero false positives is attainable, as our AppSec teams experience an 80% reduction in false positives across both Code and Supply Chain, significantly alleviating workload.Founded in the heart of San Francisco and supported by esteemed investors including Menlo Ventures, Felicis Ventures, Lightspeed Venture Partners, Redpoint Ventures, and Sequoia Capital, Semgrep has been recognized by Gartner in Application Security Testing. We are proud to serve leading organizations such as Snowflake, Dropbox, and Figma. Discover more about us at semgrep.dev.About the RoleAs a Senior AI Software Engineer, you will leverage large language model (LLM) technologies to enhance Semgrep's capabilities in detecting, prioritizing, and remediating security vulnerabilities. You will engage directly with clients to comprehend their challenges, oversee the comprehensive implementation of AI-driven solutions, and meticulously assess the effectiveness of various models and prompts through hands-on experimentation with real-world data. If you thrive in dynamic environments, enjoy rapid prototyping, and are eager to contribute across multiple aspects of our technology stack, this role is an excellent fit for you.Our technology stack incorporates various LLMs, including GPT-4/GPT-5, Codex, and Claude, alongside Typescript and React for the front end, and Python, Flask, and SQLAlchemy for the back end. Our deployments are managed via Kubernetes and hosted on AWS. While professional experience with these technologies is advantageous, a willingness to learn them quickly is sufficient!This is a hybrid position, requiring you to join us in our San Francisco, New York, Boston, or Denver offices three or more days a week, depending on your team. Remote work may be considered for exceptional candidates.

Harness is a pioneering AI Software Delivery Platform company, founded by the visionary technologist and entrepreneur Jyoti Bansal, the mind behind AppDynamics, which was acquired by Cisco for an astounding $3.7 billion. With approximately $570 million in funding and a current valuation of $5.5 billion, Harness is supported by prominent investors such as Goldman Sachs, Menlo Ventures, IVP, Unusual Ventures, and Citi Ventures. In an era where AI is rapidly transforming code creation, the true challenge lies in the subsequent stages: testing, deployments, application security, reliability, compliance, and cost optimization. Harness addresses this challenge by integrating AI and automation into the software delivery lifecycle, allowing teams to deliver software more quickly while ensuring robust security and governance throughout all stages.Utilizing Harness AI and the Software Delivery Knowledge Graph, our platform injects deep context and intelligent automation into every aspect of the software delivery process, embedding governance and policy-driven controls throughout.In the past year alone, Harness has facilitated over 185 million deployments, 82 million builds, 18 trillion flag evaluations, 8 million security scans, and optimized 9.1 billion tests, while safeguarding 3 trillion API calls and managing $2.8 billion in cloud expenditure. This has empowered esteemed clients like United Airlines, Morningstar, and Choice Hotels to enhance release speeds by up to 75%, cut cloud expenses by as much as 60%, and achieve a tenfold increase in DevOps efficiency.With a diverse global team operating across 14 offices in 25 countries, Harness is at the forefront of the future of AI-driven software delivery and is eager to attract exceptional talent to propel us forward.