Sr. AI Software Engineer (C#/.Net, infrastructure & startup exp. req'd) - 100% REMOTE JobotSr. AI Software Engineer (C#/.Net, infrastructure & startup exp. req'd) - 100% REMOTESan Francisco, CARemote$170,000–$270,000 / yearThe ideal candidate will be mid-level backend .Net Software Engineer with recent experience within a small, fast-paced, API-focused AI infrastructure startup company with lean, highly collaborative engineering teams, where they have operated with significant ownership, autonomy, and a strong “go-getter” mentality. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
Senior AI Engineer JobotSenior AI EngineerSan Francisco, CA$225,000–$280,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The product sits at the intersection of AI, automation, and real world impact, using LLMs and agentic systems to replace hours or weeks of manual work with intelligent, scalable software.
Sr Worldwide Specialist - GenAI, Amazon Bedrock, Data & AI GTM Amazon Web Services, Inc.Sr Worldwide Specialist - GenAI, Amazon Bedrock, Data & AI GTMSan Francisco, CAThis involves activities including market sizing, working with your counterparts from across the globe to build an opportunity pipeline, working with customers to understand technical requirements, creating content to train the field teams, driving industry thought-leadership, working with product teams to define new features, and identifying partners. You will need to be adept at interacting, communicating and partnering with other teams within AWS such as services teams, field solutions architecture, sales, marketing, representing your team to executive management and working directly with AWS's top customers.
NewFraud Risk AI Data Sci Vaco LLCFraud Risk AI Data SciOakland, CA$65–$90Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs.
NewCFD & CAD Expert — AI Evaluation & Quality Review BraintrustCFD & CAD Expert — AI Evaluation & Quality ReviewSan Francisco / Bay Area, CAIn this project-based role, you will review, annotate, and evaluate highly technical engineering content, applying your domain expertise to ensure the accuracy and quality of datasets used for AI training. We are seeking a Mechanical Engineering expert with advanced CAD and Computational Fluid Dynamics (CFD) experience to support a leading AI lab developing next-generation engineering AI models.
NewData Engineer (Backend Data, Marketing & AI) I.T. Solutions, Inc.Data Engineer (Backend Data, Marketing & AI)Alameda, CA$50–$70 / hourContractorWe are seeking a hungry to learn and grow Data Engineer for Backend Data & AI with 5+ years of hands-on data engineering experience and a proven ability to lead architecture, execution, and technical direction for enterprise-scale marketing and customer data platforms. The ideal candidate combines strong technical expertise in AWS, DBT, Python, and modern data architectures with good leadership, communication, and decision-making skills.
NewPrincipal IT Architect (Enterprise Agentic AI & Integration) Kaiser PermanentePrincipal IT Architect (Enterprise Agentic AI & Integration)Pleasanton, CA$193,800This senior level individual contributor is primarily responsible for leading development of the IT strategic technology direction over technical domains and developing the IT enterprise architecture, while ensuring alignment on IT architecture and technology direction across business and IT leaders. Bachelors degree in Computer Science, CIS, Engineering, Business, or related technical field and Minimum ten (10) years IT experience delivering technical solutions, including at least Minimum four (4) years in IT architecture.
NewSenior Software Engineer II - AI Tooling and Interfaces DoubleVerifySenior Software Engineer II - AI Tooling and InterfacesSan Francisco, CA$107,000–$193,000 / yearSoftware Engineer II in AI Tooling and Interfaces, youll design and build systems purpose-built for AI agents, automations, and decisioning engines that drive real outcomes for our clients and internal teams. If you enjoy turning high-volume data into clean, powerful systems—and you want your work to drive real business outcomes rather than just dashboards—this role puts you right at the center of the action.
NewSenior Staff Engineer, AI Governance Visa Technology and Operations LLCSenior Staff Engineer, AI GovernanceFoster City, CA$192,200–$307,700 / yearExperienced with high-performance imperative languages including Python, Java, Golang, React.js, Next.js • Built predictive models using Python and ML libraries and managed their lifecycle, from development to production. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
NewStaff Machine Learning Engineer, Responsible AI Engineering Visa Technology and Operations LLCStaff Machine Learning Engineer, Responsible AI EngineeringFoster City, CA$169,100–$270,800 / yearAs an AI Engineer in AI Governance engineering team, you will have the unique chance to make a direct and meaningful impact by building and delivering solutions that power AI Governance engineering solutions. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
NewSenior Manager, AI Observatory Product Manager Visa Technology and Operations LLCSenior Manager, AI Observatory Product ManagerFoster City, CA$180,600–$289,300 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. Experience with AI product development, technology platforms, and engineering with proven ability to build new capabilities, drive organizational impact, and act as change agent are critical to success.
NewLead AI Engineer Actava.ai, Inc.Lead AI EngineerPleasanton, CA$215,000–$240,000 / yearFull timeActava.ai, Inc. seeks a Lead AI Engineer (LAIE-2601) in Pleasanton, CA to design, develop, & implement AI and s/w systems to support enterprise-level applications. in Python, LlamaIndex, FastAPI, REST API, JavaScript, AngularJS & SQL.
Senior Director, Product Management - C3 AI Defense and Intelligence C3 AISenior Director, Product Management - C3 AI Defense and IntelligenceRedwood City, CAProduce strong externally facing content including thought leadership content, webinars, data sheets, solution guides, customer stories, demo videos, and more in partnership with marketing and creative teams. At present, C3 AI offers three highly differentiated workflow-driven applications that operate on a common data model comprised of a diverse collection of enterprise and external data sources: C3 AI Contested Logistics, C3 AI Commander’s Dashboard, C3 AI Decision Advantage.
Software Engineer, AI Gateway VercelSoftware Engineer, AI GatewaySan Francisco, CA$196,000–$294,000 / yearYou will collaborate with a remote and distributed team of engineers to build reliable, low-latency systems that handle rate limiting, intelligent failovers, and seamless integrations, enabling developers to ship AI-powered applications without managing provider-specific complexities. This role focuses on ensuring production-ready reliability for AI workloads, including automatic fallbacks during outages and consistent performance across providers like OpenAI, Anthropic, Google, and more.
Senior Principal AI Systems Architect dbt LabsSenior Principal AI Systems ArchitectOakland, CATogether, we’re delivering the data infrastructure layer that helps organizations move, transform, and trust their data — from the moment data moves, through every transformation, to the context teams and AI systems rely on. • Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching, and self-guided mindfulness exercises for all covered employees and their covered dependents.
NewLead Specialist, Federal Artificial Intelligence (AI) Engineering KPMGLead Specialist, Federal Artificial Intelligence (AI) EngineeringSan Francisco, CA$127,490–$262,200 / yearWork with clients to discover data sources and create date requests; lead data discovery, ETL/ELT processes to ingest structured data / annotation processes to enrich unstructured data leveraging a variety of data sources (social media, news, internal / external documents, images, video, voice, emails, financial data, and operational data). If you're looking for a firm with a strong team connection where you can be your whole self, have an impact, advance your skills, deepen your experiences, and have the flexibility and access to constantly find new areas of inspiration and expand your capabilities, then consider a career in Advisory.
Senior Data Engineer - Agentic AI Engineering BoomiSenior Data Engineer - Agentic AI EngineeringSan Francisco, CAThis role focuses on building and operating scalable, high-quality data infrastructure that powers agentic AI systems, including LLM-based agents, multi-agent workflows, and tool-using AI systems. • Architect and build scalable, secure, and observable data infrastructure to power LLM-based agents, multi-agent systems, and tool-using AI workflows.
Senior Software Engineer, Platform - Data + AI (Back-End) C3 AISenior Software Engineer, Platform - Data + AI (Back-End)Redwood City, CAC3 AI delivers a family of fully integrated products including the C3 Agentic AI Platform, an end-to-end platform for developing, deploying, and operating enterprise AI applications, C3 AI applications, a portfolio of industry-specific SaaS enterprise AI applications that enable the digital transformation of organizations globally, and C3 Generative AI, a suite of domain-specific generative AI offerings for the enterprise. You will design, develop, and maintain various features in a highly scalable and extensible AI/ML platform for large-scale applications, involving data science, distributed systems, and multi-cloud strategy.
NewStaff AI Engineer Grafana LabsStaff AI EngineerSan Francisco, CARemoteRapid experimentation and iteration: Implement a highly iterative process where you quickly prototype, test, and validate with real users, including shipping and evolving LLM- or agent-powered workflows for incident lifecycle management and automated analysis tasks. • Collaborate cross-functionally: Work with data analysts, product managers, and designers to shape AI-driven product features, including integration of agentic components with internal tools, alerting systems, runbooks, and developer workflows.
Director, Product Marketing AI Unity SoftwareDirector, Product Marketing AISan Francisco, CAWhile specific benefits vary, here are some of the ways we strive to take care of our eligible team members globally: Comprehensive health, life, and disability insurance | Commute subsidy | Employee stock ownership | Competitive retirement/pension plans | Generous vacation and personal days | Support for new parents through leave and family-care programs | Office food snacks | Mental Health and Wellbeing programs and support | Employee Resource Groups | Global Employee Assistance Program | Training and development programs | Volunteering and donation matching program. Reporting into the VP, Go to Market, you will be responsible for developing and executing comprehensive marketing plans that align with our business objectives, drive product adoption, enhance brand visibility, and keep Unity positioned in the rapidly evolving AI space.
NewSenior AI Engineer Grafana LabsSenior AI EngineerSan Francisco, CARemote$154,445–$185,334 / yearYou’ll define the technical direction for the automation platform (data models, API contracts, shared libraries, reference architectures) and partner with Data Engineering, GTM Systems, and Field Operations to build scalable, self-service automation that eliminates manual work and drives operational efficiency. Today, more than 35 million users and 7,000+ customers – including Anthropic, Bloomberg, NVIDIA, Microsoft, and Salesforce – trust Grafana Labs to ensure reliability of their applications and systems, resolve incidents quickly, and optimize their telemetry to reduce noise and cost.
Manager, AI Marketing Orchestration, GTM Engineer SarnovaManager, AI Marketing Orchestration, GTM EngineerSan Francisco, CAThis role transforms marketing from a manual, channel-driven function into a scalable, AI-powered growth engine by automating execution, improving speed to market, and increasing efficiency across campaigns. The Manager, AI Marketing Orchestration will design, build, and optimize agentic marketing workflows that drive scalable growth across email, paid media, data and content.
AI Developer SarnovaAI DeveloperSan Francisco, CAThe company operates through several market-leading companies including Tri-anim Health Services, the largest specialty distributor of respiratory products, Bound Tree Medical, the largest supplier of EMS products, and Cardio Partners, a full Sudden Cardiac Arrest Solution provider, We’re building the future of intelligent systems—and we’re looking for an AI Developer to help lead the charge. Sarnova is the leading national specialty distributor of health care products in Emergency Medical Services (EMS) and Respiratory Markets and is the industry leader in Revenue Cycle Management within Emergency Medical Services (EMS).
NewSenior Manager, Software Engineering - Data Platform & AI Enablement DoubleVerifySenior Manager, Software Engineering - Data Platform & AI EnablementSan Francisco, CALead engineering teams responsible for data ingress, pipelines, datalake adoption, Data APIs, permissions, and data access interfaces. • Enable internal teams and customers to access Rockerbox data through APIs, CLI tooling, and future agentic workflows.
AI Engagement Director C3 AIAI Engagement DirectorRedwood City, CAC3 AI delivers a family of fully integrated products including the C3 Agentic AI Platform, an end-to-end platform for developing, deploying, and operating enterprise AI applications, C3 AI applications, a portfolio of industry-specific SaaS enterprise AI applications that enable the digital transformation of organizations globally, and C3 Generative AI, a suite of domain-specific generative AI offerings for the enterprise. • Run end-to-end project governance activities including project plans, weekly status reviews, cross-functional working sessions, and executive steering committee presentations.
Principal Product Manager - AI Security (CoreAI) MicrosoftPrincipal Product Manager - AI Security (CoreAI)San Francisco, CA$139,900–$274,800 / yearThere is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year. This includes integrating AI security capabilities with Microsoft’s broader security stack - including Microsoft Defender, Entra, Purview, and Azure AI Foundry - to deliver a comprehensive security platform for AI systems.
AI Engineer SamsaraAI EngineerSan Francisco, CAYou will collaborate with architects, engineers, and cross-functional stakeholders across Samsara to brainstorm, design, rapidly prototype, and productionalize AI-driven features and capabilities that integrate deeply into real business workflows. Samsara (NYSE: IOT) is the pioneer of the Connected Operations™ Cloud, which is a platform that enables organizations that depend on physical operations to harness Internet of Things (IoT) data to develop actionable insights and improve their operations.
Director/Principal Counsel, AI Governance Unity SoftwareDirector/Principal Counsel, AI GovernanceSan Francisco, CAWhile specific benefits vary, here are some of the ways we strive to take care of our eligible team members globally: Comprehensive health, life, and disability insurance | Commute subsidy | Employee stock ownership | Competitive retirement/pension plans | Generous vacation and personal days | Support for new parents through leave and family-care programs | Office food snacks | Mental Health and Wellbeing programs and support | Employee Resource Groups | Global Employee Assistance Program | Training and development programs | Volunteering and donation matching program. • Manage AI Incident Response: Review and modify incident response processes to incorporate AI-specific triggers and regulatory reporting lines, aligning them with existing roles and Security’s AI Acceptable Use Policy.
Lead/Senior Software Engineer, Full-Stack – AI Studio C3 AILead/Senior Software Engineer, Full-Stack – AI StudioRedwood City, CAC3 AI delivers a family of fully integrated products including the C3 Agentic AI Platform, an end-to-end platform for developing, deploying, and operating enterprise AI applications, C3 AI applications, a portfolio of industry-specific SaaS enterprise AI applications that enable the digital transformation of organizations globally, and C3 Generative AI, a suite of domain-specific generative AI offerings for the enterprise. It provides Developers, Data Scientists, and IT an integrated set of low code and deep code capabilities to build, deploy, operate, and extend Enterprise AI applications at scale.
Senior AI Product Engineer VortexlinkSenior AI Product EngineerBelmont, CARemoteFull timeModern AI tools have merged the work of product, design, and engineering, and this role does all three: you understand the customer and the problems the product solves, you design the solution, and you ship the code. You come from an engineering background and bring deep authority on clean, scalable, product-quality code and architecture, with a real hand in design and product.
Sr. Manager, People Technology and AI Enablement Blue Shield of CASr. Manager, People Technology and AI EnablementOakland, CAFull timeIn this role, you will work collaboratively across People & Engagement COEs, enterprise IT, Finance, Analytics & Reporting, Planning, and external partners to evaluate vendor solutions, design, build, and implement technology solutions, and enhance deployed applications. The People & Engagement Technology team is a critical member of the Corporate Platform in the IT Applications organization and is responsible for providing technical and functional leadership for multiple HR Technology products within the Corporate Platform.
Software Engineer - AI Agent Development Yantran LLCSoftware Engineer - AI Agent DevelopmentSanta Clara, CAHands-on experience building AI agents or agentic workflows in production environments, including tool use, state management, and reliable execution under real-world conditions. This role involves substantial use of AI-assisted development tooling, and success depends on the ability to produce precise, unambiguous specifications that can be implemented reliably and verified against clear acceptance criteria.
NewAI Engineer Ursus, Inc.AI EngineerFoster City, CA$180,000–$220,000 / yearThis is a builder role end-to-end: design and ship agentic systems from tool interface through deployment, observability, and iteration working closely with product and customers. Design and build MCP servers that expose data and analytics as discoverable, reliable tools for AI agents, with proper auth, scoping, and access controls.
AI Automation Engineer PeopleNTech LLCAI Automation EngineerSanta Clara, CADevelop automation that integrates with CI/CD pipelines, infrastructure platforms, middleware, and application ecosystems Collaborate with Site Reliability Engineering (SRE), Platform Engineering, and Application teams to automate reliability, resiliency, and operational insights. This role requires deep expertise in scripting (preferably Python), strong experience working with REST/JSON APIs, and hands-on ability to leverage Agentic AI frameworks by.
AI Engineers PeopleNTech LLCAI EngineersSanta Clara, CAKey Responsibilities : AI Platform Architecture: Design, develop, and deliver enterprise-grade AI platform capabilities that support diverse deployment models, including SaaS and federated environments. Agentic Workflows: Build and integrate Model Context Protocol (MCP) based agentic services, designing complex workflows and reusable application components for widespread internal use.
AI Strategy Lead Broccoli AIAI Strategy LeadSan Francisco, CaliforniaOwn the outcome on each account: make sure every location is getting the highest value from the AI products it runs today, quantify it in hard numbers (ROI, EBITDA impact, revenue, conversion, labor savings), and turn frontline results into reporting for customer leadership. You lead those teams and own the outcome : ensuring every account gets the most from what it has today and has a clear path to realizing additional value over time across products and locations.
Senior AI Engineer - Agent Team FurtherAISenior AI Engineer - Agent TeamSan Francisco, CaliforniaNote that this is not a model-training role - you’ll be building orchestration and reasoning systems on top of existing LLMs (think Claude-Code over Claude-Model). Our customers include some of the largest names in insurance (we recently closed a top 5 insurance company in the world), and our team combines deep AI expertise with proven company-building experience.
Head of AI Success Broccoli AIHead of AI SuccessSan Francisco, CaliforniaWe work with plumbing, HVAC, and electrical contractors — the people who keep homes running — and we replace fragmented tools and manual workflows with AI agents that actually do the work . We’re hiring someone deeply analytical, systems-driven, and AI-native — someone who can design and build a machine that drives retention and expansion at scale, not manage it manually.
Founding AI Engineer Semble AIFounding AI EngineerSan Francisco, CaliforniaThe $600B building-system integration industry still runs on spreadsheets and hand-drawn markups, even as building codes evolve rapidly and grow more localized. As a founding engineer, you’ll work directly with the founders to own and build systems such as: Vision pipelines that segment rooms, walls, and architectural elements from noisy PDFs/CAD files.
Software Engineer, Applied AI CHAOS IndustriesSoftware Engineer, Applied AISan Francisco, CaliforniaPerform research and build products by working with product and mission teams to research, collect data, verify hypothesis and create robust, testable, maintainable, and deployable models. You should be comfortable operating with independence, learning unfamiliar technical domains quickly, working across disparate teams, and moving prototypes toward production with limited oversight.
Software Engineer III - AI Services GuidewireSoftware Engineer III - AI ServicesSan Mateo, CaliforniaAt Guidewire, we foster a culture of curiosity, innovation, and responsible use of AI—empowering our teams to continuously leverage emerging technologies and data-driven insights to enhance productivity and outcomes. Experience with Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), vector databases (vector DBs), AI agents, and Model Context Protocol (MCP).
AI Strategist CruciblAI StrategistSan Francisco, CaliforniaWho You'll Work With Our founders bring deep technology experience (Google-scale systems serving hundreds of millions of users) and domain expertise in high-stakes business decisions from top consulting and private equity firms. Now imagine doing it with AI as your co-pilot instead of a team of analysts grinding through spreadsheets at 2 AM — and then turning what you learn in the field directly into the next version of the platform.
Senior AI Platform Engineer SS&C Technologies Holdings IncSenior AI Platform EngineerSan Francisco, CAWe are building a next-generation Agentic AI Framework that integrates Model Context Protocol (MCP), Agent-to-Agent (A2A) communication, Machine Learning, and advanced orchestration on top of our enterprise big data platform. These engineers will design and implement the core AI framework, ensuring it seamlessly integrates with our big data infrastructure, and enabling scalable, intelligent, and autonomous data-driven systems.
Principal Product Manager, AI ZipHQ IncPrincipal Product Manager, AISan Francisco, CA$200,000–$280,000 / yearOwn the quality bar for AI experiences end to end, designing the evals, rollout gates, guardrails, and feedback loops that let customers trust agents to act on their behalf, and holding the line on accuracy and reliability even as capabilities expand. Zip recently launched Superagents: LLM-powered teammates that take on the repetitive, low-value work drowning procurement, AP, risk, and legal teams so those teams can focus on strategic work.
Principal AI Engineer Salesforce IncPrincipal AI EngineerCA$172,500–$313,700 / yearYou'll build and maintain the core infrastructure, CI/CD pipelines, and platform services that underpin our machine learning initiatives and go further in designing the harnesses, sandboxes, and evaluation frameworks that let AI agents be developed, tested, and trusted in production. Implement evaluation frameworks for agent behavior using a combination of vendor, open source or in house built tools - covering task success, tool selection accuracy, trajectory evaluation, hallucination rates, latency, and cost.
Software Engineer, Agentic AI Infrastructure Anrok, Inc.Software Engineer, Agentic AI InfrastructureSan Francisco, CARemoteWere looking for an engineer who pairs a strong distributed-systems background with real, hands-on experience building AI agent systems-someone who understands both how to make a service fault-tolerant and what it takes to make an LLM-powered agent reliable in production. Youre curious and motivated to learn new tools-youve experimented with AI in your work or on your own, youre excited about whats possible, and youve built something with it (an application, a workflow, a creative solution to a real problem) that you can walk us through.
Staff AI Engineer - Design Automation SanDisk CorpStaff AI Engineer - Design AutomationMilpitas, CAAn employee's pay position within the salary range may be based on several factors including but not limited to (1) relevant education; qualifications; certifications; and experience; (2) skills, ability, knowledge of the job; (3) performance, contribution and results; (4) geographic location; (5) shift; (6) internal and external equity; and (7) business and organizational needs. The amount and availability of any bonus, commission, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Companys sole discretion unless and until paid and may be modified at the Company's sole discretion, consistent with the law.
Product Security Engineer, Senior & Lead (Enterprise Security - Security AI) Salesforce IncProduct Security Engineer, Senior & Lead (Enterprise Security - Security AI)San Francisco, CA$148,500–$260,100 / yearLead by performing in-depth and high-quality security assessments of emerging technology (AI tooling, agentic platforms, etc.) including architecture and design reviews, code reviews, and penetration tests. In this role, you will partner with business stakeholders and technology partners to assess and maintain the security of AI tooling, ensuring they meet or exceed Salesforce security requirements when deploying AI at scale.
Senior Account Executive , AI & Digital Natives (Bay Area) Atlassian CorpSenior Account Executive , AI & Digital Natives (Bay Area)San Francisco, CAInside sales creates volume pipeline, works smaller opportunities, and helps surface warm signals, while Senior Account Executives focus on the highest-priority accounts and the most visible commercial moments. Winning here requires more than traditional territory coverage: it requires local ecosystem knowledge, crisp value articulation, and the ability to engage the people shaping these companies early, including founders, CTOs, operators, and the VCs around them.
Senior Manager, AI Solutions Architect Salesforce IncSenior Manager, AI Solutions ArchitectCA$172,500–$260,100 / yearOwn agent identity and session design - author and maintain agent context files (identity files, session startup protocols, memory structures, and skill definitions) that govern how agents behave consistently across sessions, users, and evolving workflows. LLM context file design as a craft - knows how to write durable agent context (identity, memory, startup protocols, skill definitions) that holds up across sessions - not one-off prompts, but role-level design.