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Crusoe is seeking a Senior Backend Software Engineer to join the Core Backend team within Cloud Customer Experience (CCX). This role is crucial for delivering a best-in-class user experience for Crusoe's AI-focused cloud platform. The Core Backend team is responsible for the foundational services that power every customer interaction, ensuring reliability and scalability. The work involves building and operating key systems like the API Gateway, Resource Management Layer, Quota Management, Notifications, and User Onboarding Flows, all while focusing on speed, reliability, and coherence as the platform grows.

$170k - $205k

OpenAI

OpenAI is seeking an Applied AI Engineering Manager for its Startups segment to lead and scale the team responsible for helping high-growth startups move from experimentation to production with OpenAI's technologies. This role involves acting as a trusted technical advisor, guiding customers through strategy, architecture, deployment, and adoption to achieve meaningful impact. The manager will balance team leadership, technical depth, customer prioritization, and cross-functional collaboration with Sales, Product, Engineering, and Research teams. The position requires defining how OpenAI supports startup customers at scale, identifying opportunities for deep technical engagement, building repeatable deployment mechanisms, and ensuring the team can serve a dynamic customer base effectively.

Anthropic

Anthropic's mission is to create reliable, interpretable, and steerable AI systems, believing that powerful AI can accelerate scientific progress. Claude Science is an AI workbench designed to provide researchers with a unified environment for tasks that currently span numerous disconnected tools, including literature review, specialized database access, scientific computing, analysis, and publication preparation. It already supports native rendering of protein structures, genome tracks, and chemical structures, and coordinates multi-agent workflows with built-in error checking for citations and calculations. The team is expanding the Claude Science product group, seeking individuals to own significant roadmap areas end-to-end, such as expanding into new scientific fields, integrating new model capabilities with researchers, or preparing the workbench for enterprise R&D. This role involves direct engagement with researchers in academic labs, biotech, and pharma R&D to understand scientific workflows from hypothesis to publication, translating these insights into product features. Collaboration with research teams will focus on enhancing the models' scientific capabilities, identifying target fields and workflows, and ensuring Claude Science is trusted in enterprise and regulated research settings.

OpenAI

As an AI Architect, you will be the senior technical owner for a named portfolio of customers and the primary technical counterpart to their leadership teams. You will act as the “CTO of your book of business”, shaping each customer's AI strategy and guiding their journey from pre-sales discovery and solution evaluation through deployment, adoption, and measurable business impact. You will own the technical account plan across ChatGPT Enterprise, the OpenAI API, Codex, and other agentic AI solutions. In partnership with the Account Director, you will translate business priorities into a focused use-case portfolio, an actionable adoption roadmap, and a clear path to durable customer value and growth. You will remain accountable for the technical outcome while bringing in the right specialists across deployment, implementation, enablement, security, product, and partners to provide deeper expertise and execute work where needed.

Sierra is building a platform to enable companies to create more human customer experiences with AI. The Financial Services team partners with leading organizations like banks, neobanks, and insurers to set AI strategies and develop tools that manage critical customer interactions. This role involves building and shipping enterprise-grade AI agents that handle thousands of customer conversations daily, transforming customer experiences in the financial services industry to be more accessible, human, and affordable.

Anthropic

Anthropic is seeking an experienced Revenue Systems Engineering Director to lead the technical architecture, implementation, and optimization of our Order-to-Cash (OTC) systems as the company scales globally. This role will serve as the technical lead for revenue systems within the ERP ecosystem, focusing on automating revenue recognition processes and integrating billing, sales, and financial systems. The ideal candidate will drive innovation, including the integration of AI for revenue operations, while ensuring system reliability and adherence to best practices.

Perplexity is seeking creative, AI-pilled engineers to join our Acceleration team. This role is focused on continually improving how the company and its teams operate, aiming for order-of-magnitude improvements in product and user experience. You will ensure Perplexity makes the best use of AI tools and agents to multiply the leverage of its lean, mission-focused teams, impacting everything from frontend and backend engineering to applied AI research and business operations. The ideal candidate will have sound technical judgment from internet-scale companies, a voracious use of advanced AI tools/models, and the imagination to rethink how work gets done. This is a hands-on role expected to build prototypes and production systems, and reengineer codebases, infrastructure, and processes.

WRITER is a leading enterprise AI company focused on orchestrating AI-powered work and expanding human capacity through superintelligence. Our platform enables companies to build and deploy AI agents grounded in their data and powered by enterprise-grade LLMs. We are a fast-growing, well-funded company seeking talented individuals to join our mission to create a better future of work with AI.

Glean is seeking a Supply Chain Security Engineer to ensure the security of our technology stack by eliminating software vulnerabilities (CVEs). This role involves securing base OS images, scanning and patching open-source software (OSS) dependencies, and integrating advanced security tools into our CI/CD pipeline. You will be instrumental in building and executing our software supply chain security strategy, enhancing vulnerability scoring, and reducing the overall vulnerability footprint across various programming ecosystems and base layers. The position also includes creating hardened images, leading initiatives like SBOM generation and automated fix pipelines, and developing policy-driven controls for build provenance and trust verification. Additionally, you will manage secure software supply chain guidelines and documentation, and contribute to achieving FEDRAMP readiness for vulnerability management.

Glean is seeking a talented security-focused software engineer to join our growing team. In this role, you will play a critical part in developing and maintaining the security foundation of our platform. You will be responsible for designing, implementing, and testing security features across various software components, ensuring the integrity and safety of our Work AI platform.

$185k - $260k

Anthropic

Anthropic is building reliable, interpretable, and steerable AI systems that are safe and beneficial for users and society. This role focuses on managing Anthropic's model safeguards, fraud defenses, and compliance posture across major cloud partners like Amazon Bedrock, Google Cloud's Agent Platform, and Microsoft Foundry. You will own the strategy and roadmap for how these critical aspects are integrated and presented on third-party distribution platforms, ensuring a consistent and secure experience for enterprise customers.

OpenAI

We are seeking a Senior Advertiser Support Specialist to help build and scale advertiser support within Ads Safety Operations. In this role, you will work directly with advertisers through support tickets and escalations, addressing complex questions related to ads policies, review outcomes, product behavior, and operational processes. You will investigate novel or ambiguous cases, communicate clearly, and drive them to resolution in a fast-paced product environment. Your work will be crucial in helping advertisers operate successfully at scale, acting as a bridge between frontline support and teams responsible for product quality, policy integrity, and platform safety. You will also transform support interactions into operational intelligence, identifying friction points and emerging issues to improve support at scale and protect the quality and safety of OpenAI’s ad ecosystem. This role involves partnering closely with Engineering, Product, Policy, Legal, and Go To Market teams to improve systems, reduce bugs, and elevate the customer experience, leveraging automation and AI technology.

Anthropic

As a Technical Deployment Lead on the Forward Deployed Engineering team, you will lead the delivery of custom AI agent solutions for enterprise customers in regulated industries. You'll own high-value engagements where we collaborate directly with customers to build and deploy agents into their most critical business processes, from SOW through production deployment. You will work alongside Forward Deployed Engineers who build the technical solution, while you own product scoping, stakeholder management, value measurement, and the organizational complexity that comes with deploying AI agents in enterprise environments. You need to be technical enough to navigate architecture conversations with engineering stakeholders and polished enough to run executive briefings with C-suite sponsors. Additionally, you will help build playbooks and define processes for scaling this emerging motion, championing Anthropic's mission and bringing field insights back to product and research teams.

$25k - $50k

Anthropic

Anthropic is seeking an experienced VAT/GST professional to join its growing Tax team in Dublin. This role will manage and advise on all indirect tax matters outside the United States, covering Europe, the UK, APAC, and other international markets. You will collaborate with the Global Indirect Tax team, compliance Lead, and the broader tax team to develop and execute the international VAT/GST strategy as AI products scale globally. This is an opportunity to build out the international indirect tax function from the ground up, partnering cross-functionally with Finance, Accounting, Legal, Product, and Go-to-Market teams to integrate tax considerations into global operations.

OpenAI

OpenAI is seeking an Advertiser Support Specialist to join its User Operations team, specifically within the Ads Safety Operations group. This role will focus on building and scaling advertiser support for OpenAI's growing advertising products. You will directly engage with advertisers to resolve complex issues related to ads policies, review outcomes, product behavior, and operational processes. The position requires investigating novel and ambiguous cases, communicating clearly, and driving them to resolution in a dynamic product environment. Your work will be crucial in bridging frontline support insights with product quality, policy integrity, and platform safety teams, ultimately defining world-class support in an AI-native context. You will transform support interactions into actionable intelligence to improve guidance, tooling, and product experiences, while partnering with cross-functional teams to enhance systems and customer experience through automation and AI technologies.

Crusoe is seeking a Principal Enterprise Technology Architect to establish and guide the technical vision for our internal business systems. This senior individual contributor role is pivotal in defining how our Finance, Construction, Operations, and People platforms connect, scale, and evolve. You will be responsible for designing a unified architecture that integrates these currently siloed systems, establishing master data models, engineering a scalable, event-driven integration layer, and building governance frameworks, including the responsible introduction of AI. This is a greenfield role focused on architectural design, producing artifacts like ERDs, context diagrams, and sequence flows, before implementation.

$10k - $15k

Mercor is seeking a Research Scientist to lead the design of the next generation of APEX benchmarks and the expert-built datasets that support them. APEX benchmarks measure the real-world economic impact of frontier AI models on professional work, with current benchmarks covering areas like investment banking, law, consulting, medicine, accounting, and software engineering. This role is highly visible, sitting at the intersection of research, company strategy, and go-to-market efforts. You will be responsible for identifying future measurement areas, designing benchmarks and scoring systems, collaborating with partners to build them, and working cross-functionally to scale production. You will also serve as a credible external technical voice, engaging with labs, partners, and the research community. This is an opportunity to build new methodologies, tooling, and publishing practices in a fast-paced, ambitious environment.

Perplexity is seeking builders to define the future of human-AI interaction, moving beyond text and touch into real-time voice and vision. The Multimodal team is at the forefront of this, developing the experiences and infrastructure that enable AI to understand and respond through speech and sight. As a backend engineer on this team, you will be instrumental in designing and scaling the distributed systems that handle live voice sessions, driving innovation at the intersection of voice, vision, and AI agents. This role offers the opportunity to own problems end-to-end, from initial concept to production launch, working with cutting-edge technology in a fast-paced, entrepreneurial environment.

Perplexity is seeking energetic researchers and engineers to join our Secure Intelligence Institute (SII), a flagship research center focused on advancing security, privacy, and trust in frontier intelligence. As a member of SII, you will conduct original and impactful research to improve the security and privacy of frontier AI systems. Your work will be informed by the realities of operating AI systems used by millions, and you will translate research into practical improvements to protect users.

Perplexity is seeking strong engineers with a passion for delivering frontier intelligence and infrastructure to developers. Our company builds technology that reshapes how people search, reason, and interact with the world around them. The API Platform engineering team is charged with designing, implementing, and scaling programmatic interfaces to that technology. As a member of our team, you'll work on an eclectic portfolio spanning distributed systems, performance optimization, agent orchestration, and frontier topics that often change with each passing month. Throughout this work, you'll prioritize great developer and agent experience alike, and define technical strategy for how we scale to meet compounding growth exponentials.