Backend Software Engineer - B2B Applications

At Crusoe, our vision is to enhance the availability of energy and intelligence. We are at the forefront of developing solutions that empower individuals to innovate boldly with AI, all while ensuring that we uphold principles of scalability, speed, and sustainability.Join us in driving the AI revolution through sustainable technology at Crusoe. You will play a pivotal role in fostering innovation, making a significant impact, and collaborating with a team that is leading the way in responsible and transformative cloud infrastructure.About the RoleWe are on the lookout for a Senior Software Engineer to take on the role of founding engineer within our new Enterprise Software Engineering team in IT. You will work closely with the Director to develop internal tools, automation processes, and integrations that remove manual tasks and address critical operational challenges across the organization.This role transcends traditional enterprise IT positions. You will leverage AI-assisted development as your primary method, delivering production-quality software within days instead of months, while laying the groundwork for future team members. As you grow in this role, your primary contributions will focus on defining specifications, context, and reusable patterns to guide AI agents, while still engaging in hands-on coding for the most complex challenges.Your ResponsibilitiesDesigning and deploying internal tools, automation, and integrations that provide measurable benefits across Finance, Operations, HR, and other business functions.Utilizing AI-assisted development as your standard workflow, which includes drafting specifications, creating prompts, reviewing AI-generated code, and iterating quickly.Establishing foundational technical patterns such as coding standards, project conventions, reusable components, and context files that facilitate AI-driven development.Creating and managing integrations between enterprise systems through APIs, middleware, and data pipelines.Developing solutions across a versatile environment that combines cloud application platforms with internal GPU compute for AI workloads.Collaborating with business teams during rapid prototyping sessions, then refining prototypes into production-ready systems complete with testing, monitoring, and documentation.Setting up CI/CD pipelines, automated testing, and quality assurance measures for all solutions delivered.Taking ownership of solutions from end to end, covering everything from specification and implementation to deployment and production support.

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.

Join our dynamic team at Cloudflare as a Senior Software Engineer specializing in Enterprise Readiness. This role demands a high level of technical expertise and a passion for building robust, scalable systems that enhance the enterprise experience. You will collaborate with cross-functional teams to design, develop, and implement innovative solutions that drive performance and efficiency.

Are you ready to challenge your own capabilities and contribute to a transformative mission? At Coinbase, we strive to enhance economic freedom globally, an ambitious endeavor that requires our best efforts daily as we develop the future of the financial system on our cutting-edge onchain platform.We are looking for a candidate who is not only passionate about our mission but also believes in the potential of cryptocurrency and blockchain technology to revolutionize the financial landscape. You should be someone eager to make a significant impact, thrive under pressure, and actively seek constructive feedback to continuously improve. If you are the type who embraces challenging problems head-on, we want to hear from you.Our work culture is dynamic and rigorous, designed for individuals who excel in their fields and expect the same from their peers. If you are ready to build the future alongside top-tier professionals, you will find no better environment.While many of our positions are remote-first, we are not exclusively remote. We value in-person interactions and hold multiple team and company-wide offsite gatherings each year to enhance collaboration and connection. Your participation is both expected and fully supported.Team - The Agent Productivity Tools (APT) team is an essential part of Coinbase’s Enterprise Applications and Architecture organization, dedicated to creating customer experience platforms that streamline customer service and compliance processes through innovative tools and applications. Our mission is to resolve customer issues and compliance KYC processes swiftly and accurately, resulting in enhanced customer satisfaction.Role - In this role, you will develop applications that empower Coinbase Customer Agents and other users to boost their productivity, promote automation, and create scalable impact through AI/ML technologies.What You Will Be DoingDevelop comprehensive user features utilizing Golang and cloud technologies.Lead the evaluation and implementation of third-party tools.Deliver cross-functional solutions to complex challenges in collaboration with product, design, security, data, and other engineering teams.Exhibit a strong understanding of Coinbase’s platform, development practices, and various technical domains, building upon them to enhance our offerings.

Join Plaid as a Senior Software Engineer specializing in AI Applications, where you'll be at the forefront of technology, working on innovative solutions that redefine how businesses connect with financial services. In this role, you will design, develop, and deploy cutting-edge AI applications that enhance user experiences and streamline operations.

ABOUT BASETENAt Baseten, we empower leading AI companies such as Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer with our state-of-the-art inference solutions. Our unique blend of applied AI research, versatile infrastructure, and intuitive developer tools allows organizations at the forefront of AI innovation to deploy cutting-edge models effectively. Recently, we have experienced significant growth, securing a $300M Series E funding round, backed by renowned investors like BOND, IVP, Spark Capital, Greylock, and Conviction. Become a part of our journey to create the ultimate platform for engineers to launch AI products seamlessly.THE ROLEAs a Senior Software Engineer focused on our Enterprise Platform, you will play a pivotal role in designing and developing robust infrastructure and platform features tailored for our enterprise clientele and cloud partners. Your contributions will encompass enabling self-hosted and single-tenant environments, implementing region-aware request routing, and ensuring enterprise-grade data security and integration capabilities.EXAMPLE INITIATIVESJoin our Infrastructure team and tackle exciting projects such as:Multi-cloud capacity managementOptimizing inference on B200 GPUsImplementing multi-node inference solutionsLeveraging fractional H100 GPUs for efficient model servingRESPONSIBILITIESDesign and implement infrastructure and platform features customized for enterprise clients, covering self-hosted clusters, single-tenant environments, and cross-cloud orchestration.Lead strategic initiatives to enhance secure and scalable private connectivity solutions.Craft and execute solutions that address complex regulatory and compliance requirements for enterprise environments.

Twitch Interactive, Inc. is looking for a Senior Software Engineer to join the Enterprise Platform team in San Francisco, CA. This position centers on designing and building scalable software solutions that support a large and active user community. Role overview This role involves hands-on software development for the Enterprise Platform at Twitch. The work aims to improve user experience and support ongoing growth across the platform. Collaboration Senior Software Engineers in this team work closely with colleagues from different disciplines. Collaboration with cross-functional teams is a key part of delivering reliable, high-quality software. What you will do Design and implement scalable software features for the Enterprise Platform Work with other teams to understand requirements and deliver solutions that fit user needs Contribute to the quality and reliability of software used by a broad user base

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.

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.

abby-care seeks an Enterprise Applications Administrator based in San Francisco. This position centers on managing and enhancing the company’s enterprise applications, ensuring daily operations run smoothly and teams have the support they need. Key responsibilities Oversee and maintain core enterprise applications used throughout the organization Monitor system performance, troubleshooting and resolving issues to minimize downtime Collaborate with departments to provide application support and respond to user requests Find ways to improve workflows and processes within enterprise systems This role plays a direct part in supporting abby-care’s daily operations by keeping essential business applications reliable and efficient.

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.

Join Cloudflare as a Software Engineer specializing in Enterprise Integrations, where you will contribute to building and enhancing our suite of solutions that seamlessly integrate with enterprise systems. You will work collaboratively with cross-functional teams to design, develop, and implement scalable integration solutions that meet the complex demands of our enterprise clients.

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.

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.

About UsAt Sierra, we are on a mission to revolutionize customer experiences through our innovative AI-driven platform. Based in the vibrant city of San Francisco, we also have expanding offices in Atlanta, New York, London, France, Singapore, and Japan, fostering a diverse and dynamic team.Our culture is built on core values: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. These principles guide our actions and decisions, ensuring that we maintain a collaborative and supportive work environment.Sierra was co-founded by Bret Taylor, former co-CEO of Salesforce and CTO of Facebook, and Clay Bavor, who led major innovations at Google. Their vision drives our commitment to creating impactful solutions.Your RoleDesign and develop Sierra’s enterprise platform capabilities.You will create the foundational systems that empower us to serve the world's largest enterprises, incorporating identity, access management, integration points, and extensibility essential for embedding Sierra within existing business ecosystems.Ensure scalability for our largest customers.Our enterprise clients operate in complex environments with stringent security demands and high reliability expectations. Your efforts will ensure Sierra’s platform scales effectively across various organizations, regions, and use cases while maintaining optimal performance and user-friendliness.Establish a foundation of trust.Our enterprise clients entrust Sierra with their critical workflows and data. You will help set and maintain exceptional standards for security, compliance readiness, reliability, and operational excellence throughout the platform.What You BringA strong passion for working at the cutting edge of AI technologies.Expertise and pride in developing reliable, maintainable, and secure systems that scale effectively.A proactive attitude and high agency to drive impactful outcomes in a high-autonomy culture where every team member is empowered.

Why Join Brex?Brex is an innovative AI-driven spend management platform designed to empower businesses to manage expenses with confidence. We provide integrated corporate cards, banking solutions, and global payment options, alongside intuitive software for travel and expense management. From startups to large enterprises, clients like DoorDash, Flexport, and Compass leverage Brex to optimize spending, lower costs, and enhance efficiency worldwide.Joining Brex means embracing challenges, pushing boundaries, and collaborating with industry leaders. We are dedicated to fostering a diverse and inclusive culture where your potential is only limited by your aspirations. We equip you with the necessary tools, resources, and support to advance your career.Engineering at BrexOur engineering culture focuses on building scalable systems with intention and speed. Our teams, spanning Software, Data, Security, and IT, work with high autonomy and deep collaboration. We confront challenging technical problems, take ownership of outcomes, and strive for excellence across all levels—from architecture to deployment. Here, engineering is regarded as a craft, and builders evolve into leaders.Your RoleAs a Senior Application Security Engineer, you will be pivotal in identifying and addressing security vulnerabilities within the Brex platform. Your responsibilities will include conducting code and design reviews, penetration testing, and managing vulnerabilities. You will also develop and maintain tools for static and dynamic testing of the platform, ensuring secure developer workflows. You will collaborate closely with teams across Security Operations, GRC, Product Security, Front End Platform, and IT Infrastructure.We seek individuals with a robust background in penetration testing and a proven track record of uncovering vulnerabilities in complex systems. Your ability to craft exploits that highlight business risk will be essential. This role demands a collaborative spirit, as you will engage with various engineering teams throughout Brex. Your enthusiasm for diverse perspectives and needs is crucial as we build world-class financial services with top-tier security.Brex is at the forefront of AI-driven financial services for dynamic companies such as Coinbase, Robinhood, and Anthropic. As we integrate AI across our product suite, this role will have the chance to significantly influence our approach.

Join our dynamic team as a Software Engineer specializing in Finance Applications at Block, Inc. In this role, you will develop innovative financial solutions that empower users and enhance their experience. You will work collaboratively with cross-functional teams to design, build, and maintain applications that are crucial to our financial operations.

About Us At Dagster Labs, we are on a mission to enable organizations to construct productive and scalable data platforms. As the creators of Dagster, the open-source tool that developers trust, and Dagster+, our managed cloud solution, we cater to a diverse range of clients—from innovative startups to global enterprises. Thousands of teams rely on us to drive the data that fuels their analytics, machine learning, and AI advancements. We understand that the AI revolution is built on reliable, high-quality data. Thus, we strive to make data platforms intuitive, efficient, and enjoyable to utilize. Dagster is swiftly becoming the foundation for how the world builds intelligent systems. We are a dynamic, well-funded team with a history of delivering exceptional software. We set high goals and collaborate closely, adhering to the highest standards and trusting each other to contribute effectively. Our culture emphasizes teamwork, curiosity, and a shared commitment to creating impactful solutions. If you are eager to influence the future of data and AI while enjoying the journey, we invite you to join us in building something remarkable. About the Role Are you a passionate software engineer who excels at addressing customer challenges while enhancing a platform? The Enterprise Engineering team at Dagster is dedicated to ensuring our largest clients succeed with Dagster, while also enhancing Dagster+ with features tailored for larger organizations. Your work will involve improving and extending Dagster to cater to the needs of enterprise clients, including addressing scaling challenges and developing new features and integrations. In this role, you will not only apply your technical expertise but also directly engage with customers implementing Dagster, transforming their feedback into actionable insights that unblock them and enhance the product. This position offers a unique opportunity to make a tangible impact by solving real-world challenges and delivering valuable solutions to our users and clients. This is a full-time position offering a competitive salary, equity, and benefits. We operate as a distributed team with offices in San Francisco, New York, and Minneapolis. We welcome fully remote candidates authorized to work in the United States and provide flexible remote work options to optimize your productivity.

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.