Application Security Engineer in United States

About the Team OpenAI Finance ensures the organization is positioned for long-term success as we pursue our mission. The Order to Cash (OTC) team oversees the end-to-end flow of commercial transactions from order intake and provisioning through billing, collections, credit risk, accounts receivable operations, and cash application. The team focuses on accuracy, compliance, operational discipline, and a high-quality customer experience. About the Role We are hiring for the Senior Credit & Collections role to support OpenAI's global receivables operations, with a focus on white-glove support for premier and strategic accounts across the U.S. and key regional areas of AR work, including standard operating procedures, payment methods, customer portals, disputes, cash application handoffs, escalations, and emerging go-to-market channels. In this role, you will manage complex customer accounts, guide priority AR workstreams, support credit reviews, and partner cross-functionally with Sales, Customer Success, Billing Operations, Deal Desk, Legal, Accounting, Cash Application, Finance Systems, and external partners. You will help improve cash collections, reduce aging, support responsible credit decisions, and maintain a strong customer experience across sensitive, high-value, and operationally complex relationships. This role is based in San Francisco, CA. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees. In This Role, You Will Manage a portfolio of premier, strategic, and high-touch customer accounts across the U.S. and key regional AR work areas, ensuring timely collections, clear communication, and a white-glove customer experience. Support collections coverage across key regional areas of AR work, including payment follow-up, documentation requirements, portal submission workflows, tax or invoicing considerations, dispute coordination, and escalation management. Support new channel success, including marke

About the Team We bring OpenAI's technology to the world through products like ChatGPT and the OpenAI API. We seek to learn from deployment and distribute the benefits of AI, while ensuring that this powerful tool is used responsibly and safely. Safety is more important to us than unfettered growth. About the Role OpenAI is looking for an experienced Performance Engineer to help us scale the performance, reliability, and efficiency of our systems. In this role, you'll apply deep technical expertise to optimize infrastructure and application-level performance across mission-critical products like ChatGPT and our developer API. You’ll work cross-functionally with teams building core services, training models, and developing real-time user experiences to push our latency, throughput, and cost-efficiency to the next level. We are looking for engineers who thrive in ambiguous environments, value deep systems understanding, and are motivated by delivering measurable impact. This is a highly technical, individual contributor role focused on root-cause analysis, profiling, instrumentation, and architecture-level performance improvements across our stack. In this role, you will: Analyze and optimize performance across application, middleware, runtime, and infrastructure layers—networking, storage, Python runtime, GPU utilization, and beyond. Develop tooling and metrics that provide deep observability into system performance. Collaborate closely with infra, platform, training, and product teams to identify key performance goals and drive systemic improvements. Influence architecture and design decisions to prioritize latency, throughput, and efficiency at scale. Lead investigations into high-impact performance regressions or scalability issues in production. Drive performance testing strategies and help define SLAs/SLOs around latency and throughput for critical systems. You might thrive in this role if you: Have 7+ years of experience in software engineering with a strong tr

About the Team OpenAI’s Hardware organization develops AI-native silicon and system-level solutions for the unique demands of advanced AI workloads. Building on efforts like Jalapeño, the team is developing future generations of AI-native silicon and tightly integrated systems to power the next generation of frontier models. By co-designing chips, systems, tools, and methodologies, the team helps deliver faster, more efficient, and production-ready hardware for OpenAI’s supercomputing platform. About the Role We’re looking for signal integrity (SI) system design engineers who have a deep expertise in the SI area, and hold strong system level design knowledge This role is based in San Francisco, CA. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees. In this role, you will: Lead system signal integrity (SI) design for AI supercomputer product in the data center application. Collaborate with chip, package, boards, rack and system engineers, design partners to drive system SI design and develop innovative interconnect and high-speed technologies Identify and evaluate new technologies and methodologies to improve signal and power integrity in product design, and contribute to the development of new products and technology by providing expertise in signal integrity Perform simulation and modeling to identify and troubleshoot signal integrity issues Lead system interconnect design, bring up and qualification As the scope of the role and team grows, understand and influence roadmaps for hardware partners for our datacenter networks, racks, and buildings. You might thrive in this role if you: Have at least 10 years of industry experience, including experience design hardware system and SerDes testing for data center applications Have a strong bias toward action, and won’t take no for an answer. Have experience and good knowledge of system design experience in the SI areas, from chip, SerDes, board, rack level Have ex

About the Team OpenAI’s Hardware organization develops system and infrastructure solutions designed for the unique demands of advanced AI workloads. We work closely with architecture, infrastructure, and vendor teams to evaluate system performance and guide critical design decisions. Our team focuses on building and applying performance modeling frameworks to understand system behavior, quantify tradeoffs, and support next-generation infrastructure design. About the Role We are seeking an Performance Modeling Engineer to support the development and application of modeling tools used to evaluate AI system performance and inform architectural decisions. In this role, you will partner closely with Senior Performance Modeling Engineers and the Performance Modeling Lead to analyze system behavior, run simulations and analytical models, and help evaluate tradeoffs across compute, memory, networking, and storage. You will contribute to building modeling frameworks while developing a strong foundation in system architecture and AI infrastructure. This role is ideal for early-career engineers with 1–2 years of experience in software engineering, systems analysis, or performance modeling who are excited to grow in large-scale infrastructure and hardware/software systems. This role is based in San Francisco, CA. We use a hybrid work model of 3 days in the office per week and offer relocation assistance. Key Responsibilities Support the development and maintenance of performance modeling tools and frameworks Assist in building models to evaluate system behavior across compute, memory, networking, and interconnect subsystems Help analyze distributed system scaling behavior and identify performance bottlenecks Run simulations and analytical models to support architecture and infrastructure decisions Partner with senior engineers to evaluate design tradeoffs across hardware and system components Interpret modeling outputs and help translate findings into clear recommendations Vali

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. About the AI Products team The AI Products team is part of the broader Marketplace & Collaboration organization and is focused on bringing AI products on top of Snowflake’s data and application platform to help customers discover, share, monetize, and act on data assets & applications more easily. This team is building the connective tissue of the agentic enterprise: the infrastructure and product surfaces that allow Snowflake customers to seamlessly share datasets, semantic views, and applications, and make them discoverable and executable through Cortex Code, CoWork, and other agentic harnesses. Our strategy is centered on evolving Snowflake Marketplace for the AI era, including packaging data and intelligence into ready-to-use agentic experiences, and enabling governed access patterns that let AI systems safely operate on enterprise data and applications. As a Staff Software Engineer on AI Products, you will Lead the design and delivery of large, complex initiatives spanning multiple teams, turning ambiguous product and platform opportunities into durable technical solutions. Shape the architecture for how datasets, applications, semantic assets, and agentic capabilities are shared, discovered, governed, and invoked across Snowflake surfaces and third-party agent

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. As a Lead Migrations Forward Deployed Engineer (Migration FDE), you will lead scoping, architecture and direction as the FDE team embeds with customers to lead the modernization of their data and application ecosystem using the Snowflake AI Data Cloud. You will partner closely with clients to understand their business challenges to design, build, and implement cutting-edge data solutions on Snowflake. Your role is crucial in enabling customers to harness the full potential of their data, driving insights, and powering AI initiatives. You'll act as a trusted technical advisor, ensuring customers achieve significant business value and success with Snowflake. WHAT YOU WILL BE RESPONSIBLE FOR: Migration Project Execution : You will work with multiple FDE teams that each focus on a specific customer. You’ll set architecture and direction for the team as it works to design, build, and deploy robust software systems, tooling, and automation required to support customer solutions on Snowflake. Software Development: All Migration FDE members, leads and otherwise, contribute to our product. We build prototypes, contribute to feature development, fix problems that we find. Doing so helps drive impact on the roadmap and improves individual depth in the product itself. Client Collaborat

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. As a Senior Forward Deployed Engineer (FDE), you will be embedded with customers to lead the modernization of their data and application ecosystem using the Snowflake AI Data Cloud. You will especially focus on modernizing their Spark and Data Engineering focused workloads. You will partner closely with clients to understand their business challenges and design, build, and implement cutting-edge data solutions on Snowflake. Your role is crucial in enabling customers to harness the full potential of their data, driving insights, and powering AI initiatives. You'll act as a trusted technical advisor, ensuring customers achieve significant business value and success with Snowflake. WHAT YOU WILL BE RESPONSIBLE FOR: Software Development : Design, build, and deploy robust software systems, tooling, and automation required to support customer solutions on Snowflake. Create comprehensive documentation for developed solutions, technical configurations, and best practices. Data Engineering & Platform Implementation : Design and implement scalable data pipelines and modern data architectures on Snowflake. Ensure data quality, integrity, and efficient processing within the customer's modern data environment. Performance Optimization & Best Practices : Analyze and optimize data

Shape the Future with Dun & Bradstreet At Dun & Bradstreet, we believe data has the power to create a better tomorrow. As a global leader in business decisioning data and analytics, we help companies worldwide grow, manage risk, and innovate. For over 180 years, businesses have trusted us to turn uncertainty into opportunity. We’re a diverse, global team that values creativity, collaboration, and bold ideas. Are you ready to make an impact and help shape what’s next? Join us! Explore opportunities at dnb.com/careers. Sr. Software Engineer – Duties are designing & developing service-oriented & resource-oriented software architecture using Python in Flask framework for e-commerce systems for scalable web-centric AWS & GCP application platforms & frameworks using SOAP & REST protocols & server-side GitHub REST API including performing requirements analysis; reviewing designs for new functionality; formulating detailed functional & product specifications; collaborating with cross-functional finance & product team leads; performing requirements functional decomposition, unit & integration testing; supporting technology upgrades through cloud migrations; performing SQL & NoSQL database tuning & maintenance; and providing technical documentation & system implementation support. Position requires Bachelor’s degree in Computer Science, Computer Engineering, Information Systems or a related field & 5 yrs exp in job duties as stated. Position is with Dun & Bradstreet located in Jacksonville, FL. Inquire and send resume through Dun & Bradstreet’s job board at https://jobs.lever.co/dnb. Position is under Senior Software Engineer for Jacksonville, FL. #LI-DNI

ABOUT THE BRAND: Callaway Golf Company is a premium golf equipment, gear and apparel company with a portfolio of global brands, including Callaway Golf, Odyssey, TravisMathew, and OGIO. Through an unwavering commitment to innovation and premium craftsmanship, Callaway designs, manufactures, and sells high-performance golf clubs, golf balls, apparel, bags, and other accessories—setting the standard for performance in the game of golf. Our Mission: To create demonstrably superior and pleasingly different products powered by innovative technology and premium craftsmanship enabling golfers of all abilities to play their best and find more joy in the game. Our company is a blend of experience and diverse backgrounds, and together we look to leave the past behind while moving the game forward. For more information, please visit https://www.callawaygolf.com ROLES AND RESPONSIBILITIES Lead the design, configuration, implementation, and support of the SAP Analytics Cloud (SAC) Application for developing and supporting the planning and analytics functions. Lead the implementation and support of SAP’s Business Intelligence solutions. Lead all phases of the project life cycle including analysis, design, development, testing, deployment, and post-production support/maintenance. <l

ABOUT TOPGOLF Topgolf is a sports entertainment company that has changed how millions of people experience golf—and a genuinely energizing place to build a career. Every year, guests visit our venues for an experience that’s hard to find anywhere else: hitting golf balls toward a target-lined outfield, tracking every shot in real time, enjoying great food and drinks, and connecting with friends, family, and coworkers. With more than 100 venues worldwide and proprietary Toptracer technology integrated into our guest experience and licensed globally, Topgolf operates at the intersection of entertainment, technology, and hospitality. We are a growing, dynamic business with meaningful opportunities to innovate, scale, and continuously improve how we support our teams and our guests. WHAT WE’RE SEEKING The Sales Business Operations Manager serves as the operational backbone of the Sales Business Operations team, owning the coordination, intake, communication, and execution that keeps programs, products, and projects moving across the sales organization. This role provides dedicated operational and commercial product support, acting as the critical bridge between venue teams, leadership, and cross-functional partners. The ideal candidate is a hands-on operator who thrives in the details, excels under fast-moving deadlines, and adapts quickly in a consistently evolving environment, bringing a proactive, solutions-oriented mindset to every challenge. WHAT YOU WILL DO Key Responsibilities Manage sales support channels and serve as the primary point of contact for non-systems field inquiries, including application, technology, and accounting-related questions and needs, investigating and triaging issues and providing both immediate and long-term scalable solutions, escalat

Job Responsibilities Welcome and assist players with check-in and reservations. Provide information about the venue, gameplay, and promotions. Help with golf clubs and equipment. Ensure the cleanliness and organization of venue. Offer retail items to guests, and keep retail area stocked and organized. Respond promptly to guest inquiries and requests. Give guests game demonstrations and enforce safety guidelines. Critical Skills & Experience Requirements Excellent customer service and communication skills. Ability to work effectively in a team. Basic computer skills for reservations and check-in. Physical ability to lift and move golf bags and equipment. BENEFITS Free Play & 1/2 price food! Health, dental, vision, 401(k) team member match, free mental well-being platform – and that’s just for starters for those who qualify. View team member benefits here. ADA The above statements cover what are generally believed to be principal and essential functions of the job. Specific circumstances may allow or require some incumbents assigned to the job to perform a different combination of duties. EEO Statement Topgolf is a global sports and entertainment community and is committed to equal opportunity and is firmly committed to preventing discrimination and harassment, including sexual misconduct, based on legally protected diversity characteristics (such as race, color, religion, national origin, sex, age, disability, sexual orientation, gender identity or expression, family status, citizenship, genetic information and veteran status) in its application and hiring processes

Job Responsibilities Welcome and assist players with check-in and reservations. Provide information about the venue, gameplay, and promotions. Help with golf clubs and equipment. Ensure the cleanliness and organization of venue. Offer retail items to guests, and keep retail area stocked and organized. Respond promptly to guest inquiries and requests. Give guests game demonstrations and enforce safety guidelines. Critical Skills & Experience Requirements Excellent customer service and communication skills. Ability to work effectively in a team. Basic computer skills for reservations and check-in. Physical ability to lift and move golf bags and equipment. BENEFITS Free Play & 1/2 price food! Health, dental, vision, 401(k) team member match, free mental well-being platform – and that’s just for starters for those who qualify. View team member benefits here. ADA The above statements cover what are generally believed to be principal and essential functions of the job. Specific circumstances may allow or require some incumbents assigned to the job to perform a different combination of duties. EEO Statement Topgolf is a global sports and entertainment community and is committed to equal opportunity and is firmly committed to preventing discrimination and harassment, including sexual misconduct, based on legally protected diversity characteristics (such as race, color, religion, national origin, sex, age, disability, sexual orientation, gender identity or expression, family status, citizenship, genetic information and veteran status) in its application and hiring processes

Job Responsibilities Welcome and assist players with check-in and reservations. Provide information about the venue, gameplay, and promotions. Help with golf clubs and equipment. Ensure the cleanliness and organization of venue. Offer retail items to guests, and keep retail area stocked and organized. Respond promptly to guest inquiries and requests. Give guests game demonstrations and enforce safety guidelines. Critical Skills & Experience Requirements Excellent customer service and communication skills. Ability to work effectively in a team. Basic computer skills for reservations and check-in. Physical ability to lift and move golf bags and equipment. BENEFITS Free Play & 1/2 price food! Health, dental, vision, 401(k) team member match, free mental well-being platform – and that’s just for starters for those who qualify. View team member benefits here. ADA The above statements cover what are generally believed to be principal and essential functions of the job. Specific circumstances may allow or require some incumbents assigned to the job to perform a different combination of duties. EEO Statement Topgolf is a global sports and entertainment community and is committed to equal opportunity and is firmly committed to preventing discrimination and harassment, including sexual misconduct, based on legally protected diversity characteristics (such as race, color, religion, national origin, sex, age, disability, sexual orientation, gender identity or expression, family status, citizenship, genetic information and veteran status) in its application and hiring processes

Job Responsibilities Welcome and assist players with check-in and reservations. Provide information about the venue, gameplay, and promotions. Help with golf clubs and equipment. Ensure the cleanliness and organization of venue. Offer retail items to guests, and keep retail area stocked and organized. Respond promptly to guest inquiries and requests. Give guests game demonstrations and enforce safety guidelines. Critical Skills & Experience Requirements Excellent customer service and communication skills. Ability to work effectively in a team. Basic computer skills for reservations and check-in. Physical ability to lift and move golf bags and equipment. BENEFITS Free Play & 1/2 price food! Health, dental, vision, 401(k) team member match, free mental well-being platform – and that’s just for starters for those who qualify. View team member benefits here. ADA The above statements cover what are generally believed to be principal and essential functions of the job. Specific circumstances may allow or require some incumbents assigned to the job to perform a different combination of duties. EEO Statement Topgolf is a global sports and entertainment community and is committed to equal opportunity and is firmly committed to preventing discrimination and harassment, including sexual misconduct, based on legally protected diversity characteristics (such as race, color, religion, national origin, sex, age, disability, sexual orientation, gender identity or expression, family status, citizenship, genetic information and veteran status) in its application and hiring processes

Job Responsibilities Welcome and assist players with check-in and reservations. Provide information about the venue, gameplay, and promotions. Help with golf clubs and equipment. Ensure the cleanliness and organization of venue. Offer retail items to guests, and keep retail area stocked and organized. Respond promptly to guest inquiries and requests. Give guests game demonstrations and enforce safety guidelines. Critical Skills & Experience Requirements Excellent customer service and communication skills. Ability to work effectively in a team. Basic computer skills for reservations and check-in. Physical ability to lift and move golf bags and equipment. BENEFITS Free Play & 1/2 price food! Health, dental, vision, 401(k) team member match, free mental well-being platform – and that’s just for starters for those who qualify. View team member benefits here. ADA The above statements cover what are generally believed to be principal and essential functions of the job. Specific circumstances may allow or require some incumbents assigned to the job to perform a different combination of duties. EEO Statement Topgolf is a global sports and entertainment community and is committed to equal opportunity and is firmly committed to preventing discrimination and harassment, including sexual misconduct, based on legally protected diversity characteristics (such as race, color, religion, national origin, sex, age, disability, sexual orientation, gender identity or expression, family status, citizenship, genetic information and veteran status) in its application and hiring processes