Lead technical vision and execution for post-training systems that transform foundation models into intelligent, engaging products. Drive alignment algorithms, RL, and infrastructure for large-scale LLM training and serving.

Principal Architect sets end-to-end vision and reference architectures for Reltio's multi-tenant cloud-native SaaS data platform, including streaming, AI/LLM patterns, reliability, security, and developer experience. Requires 20+ years in large-scale SaaS architecture with deep expertise across cloud/K8s, data platforms, microservices, and agentic AI.

Principal Architect defining end-to-end architecture for a multi-tenant cloud-native SaaS data platform. Sets vision across cloud infrastructure, data streaming, AI/ML integration, security, and developer experience while mentoring senior engineers and influencing C-suite decisions.

Strategic HR Business Partner to R&D leadership, driving organizational design, talent strategy, workforce planning, and large-scale change initiatives aligned to business goals.

Design and ship production React/TypeScript interfaces for agentic AI products. Own UX from research through deployment, focusing on LLM-powered interactions, developer tooling, and autonomy interfaces.

Own product definition, roadmap, and metrics for the CTO's agentic AI portfolio including enterprise knowledge assistant, agent-driven engineering platform, and AI/data modernization. Drive adoption of internal platforms and shape foundation-model based autonomy architectures.

Principal Software Engineer leading a feature delivery team to design, develop, and release software for the Huntress SIEM platform. Requires 15+ years experience, 8+ years Ruby on Rails and Postgres scaling.

Own ZoomInfo's PLG measurement framework, defining KPIs and leading analytics that shape product investments and growth strategy. Requires 8+ years in product/growth analytics with advanced SQL and Python.

Principal Engineer owning company-critical technical strategy and architecture for Dropbox's core sharing and collaboration products, driving AI adoption and multi-year platform evolution at hundreds of millions of users scale.

Principal Field Enablement Business Partner embedded in Sales and SE leadership teams. Diagnoses capability gaps, builds technical and sales training content, and measures behavior change to improve field performance.

Lead GTM strategy, positioning, and messaging for Huntress's Agentic Security Platform. Drive product launches, sales enablement, and technical partner marketing for AI-powered cybersecurity offerings.

Principal Technical Architect advising C-suite on AI/ML strategy, legacy modernization to Snowflake, and enterprise LLM guardrails. Requires 12+ years experience and deep AI/ML expertise.

Build the AWS-based AI Operations platform that hosts, governs, and secures Hi Marley’s internal agents and tools. The role requires principal-level systems expertise, deep AWS and identity authorization knowledge, production LLM experience, and strong product and communication skills.

Principal Software Engineer providing technical leadership for internal platforms, security automation, and workflow systems supporting Upstart Bank operations. Requires 8+ years experience and a bachelor's degree.

Lead high-stakes product domains end-to-end at a Series D mental health platform. Define strategy, ship AI-powered products, and drive alignment across engineering, clinical, and executive teams.

Own and advance the company's revenue forecast model as an IC finance leader. Architect models, automate forecasting with AI tooling, and deliver executive insights on topline metrics.

Principal-level security engineer defining infrastructure security strategy and leading cross-functional efforts to secure cloud, Kubernetes, and developer platforms at scale.

Principal Solutions Architect delivering hands-on Retool implementations, scalable cloud integrations, and customer-facing technical guidance. The role requires 5+ years of experience, full-stack development skills, and strong communication across business and technical teams.

Principal Engineer setting technical vision and building AI/ML infrastructure for Generative AI and Recommender Systems at Pinterest, scaling to hundreds of millions of inferences per second. Requires deep expertise in distributed systems and proven cross-org technical leadership.

Principal Product Designer leading design strategy and cross-functional roadmaps for ezCater's Supply ecosystem, serving restaurant partners. Requires 8+ years experience, strategic leadership, and mentoring senior designers.

Architect and lead development of safety- and mission-critical real-time software for autonomous aircraft, integrating mission applications, sensors, communications, and vehicle services. The role requires 8+ years of software engineering experience, systems-architecture expertise, strong systems-programming skills, and clearance eligibility.

Principal Developer Advocate who will build trust with the AI engineering community through production-focused technical content, talks, and ecosystem relationships. The role requires 8+ years of software engineering experience, a track record shipping AI systems, and strong expertise in production AI tooling and patterns.

Principal engineer owning full-stack features on Mesh, ZoomInfo's internal AI platform. Builds AI agents, workflows, microapps, and SDKs while mentoring engineers and maintaining production reliability.

Senior product marketing role driving end-to-end GTM planning, launch execution, and NPI process for a B2B SaaS compliance automation platform. Requires 8+ years experience and strong cross-functional influence.

Principal-level enablement partner embedded with Solution Engineering leadership to diagnose skill gaps, design technical activation programs, and measure field capability change. Requires 10+ years in enterprise software, solution engineering, and enablement plus deep SQL/Python expertise.

Lead product strategy and roadmap for Snowflake's Zero-Copy Integrations with enterprise application platforms like SAP, Salesforce, Workday, and ServiceNow. Define architecture for governed, zero-copy data access patterns and drive cross-functional execution with engineering, partners, and GTM teams.

Lead and coach a team of Forward Deployed Engineers, owning outcomes, raising execution quality, and translating customer feedback into product impact.

Principal Engineer in the CTO Office leading cross-engineering initiatives across reliability, performance, architecture, cost efficiency, developer experience, and security. The role requires 10+ years designing and operating large-scale distributed microservices and offers broad influence over the platform’s technical direction.

Principal Engineer leading architectural vision and technical execution for Streamlit in Snowflake, shaping platform evolution, developer experience, and cross-team initiatives at scale.

Principal-level individual contributor defining and owning network architecture strategy across Crusoe's AI infrastructure stack, from data center fabrics and RDMA to SDN, Kubernetes networking, and automation. Requires 12+ years experience with expert-level routing, SDN, and large-scale data center design.

Senior individual contributor role partnering with execs to define and deliver high-priority company programs. Requires 8+ years of program management experience in fast-paced AI/SaaS environments with proven executive influence and process improvement track record.

Principal Infrastructure Engineer building and operating secure cloud-native and edge platforms for military collaboration software. Requires 8+ years production infrastructure experience, deep Kubernetes expertise, and ability to obtain SECRET clearance.

Principal Product Manager (IC) owning multi-year strategy and roadmap for Apache Flink across Confluent Cloud and on-prem. Requires 10+ years PM experience, deep technical expertise in distributed systems and data engineering, and proven ability to scale complex cloud data products.

As a Distinguished Architect, AI, you will be a technical multiplier for leading AI labs and AI-native companies, bridging their infrastructure aspirations with Datadog's technology roadmap. You will ensure the platform solves unique observability challenges for training and deploying foundational models at scale.

SentiLink is seeking a Principal Information Security Engineer to lead and enhance security across infrastructure, applications, and internal systems. This hands-on role involves building scalable security foundations, designing secure systems, and improving detection and response capabilities.

Principal Recruiter partnering with leadership and hiring teams on function-agnostic, full-lifecycle recruiting for key roles across the company. Requires 8+ years experience, startup background, business-outcome focus, and comfort with ambiguity and AI tools.

Lead design direction across complex, multi-team product areas at Zocdoc's healthcare marketplace, shaping strategy and building scalable design systems. Drive AI-native workflows and mentor teams while influencing product and experience architecture.

Principal MLE focused on fine-tuning and optimizing large language models for production, building scalable AI pipelines, and shaping Airbnb's ML platform strategy. Requires 10+ years experience and a PhD.

Own the full hardware product lifecycle and multi-year roadmap for security appliances, driving NPI, certifications, P&L, and supply chain strategy from concept through end-of-life.

Build end-to-end security features and systems for an AI-powered software creation platform, including scanners, compliance tooling, static analysis, and AI-assisted vulnerability remediation. Requires 10+ years of engineering experience, strong React/TypeScript and Golang skills, and on-site work in Stockholm.

The Principal Solution Engineer partners with sales teams and customers in the UK to design, demonstrate, and implement Snowflake data solutions. The role requires strong customer-facing presentation skills, SQL, modern data technology experience, and expertise in data architecture and cloud platforms.

Owns the vision, strategy, and roadmap for Deliverability & Connectivity at Apollo.io. Builds the messaging infrastructure layer that enables safe, reliable GTM execution across ESPs, CRMs, domains, suppression, and routing systems.

Principal engineer responsible for designing and shipping database infrastructure, extending PostgreSQL internals, and optimizing large-scale systems. Requires 10+ years of systems software experience, deep database-engine internals expertise, and strong performance-engineering skills.

Principal engineer leading the design and implementation of PostgreSQL and database infrastructure features, with responsibility for performance, scalability, architecture, and mentorship. Requires 10+ years building systems software and deep database internals expertise.

Principal engineer responsible for advancing PostgreSQL-based database systems, including storage, replication, query execution, extensions, and performance optimization. The role requires 10+ years of systems software experience, deep database internals expertise, and strong technical leadership.

Serve as the primary strategic HR advisor to Snowflake's CFO, General Counsel, and G&A leadership, driving people strategy, organizational design, and executive coaching in a hybrid Menlo Park role.

Lead company-wide performance improvement programs across mobile, web, and infrastructure platforms. Partner with engineering leaders to drive measurable, durable changes in speed, reliability, and user experience quality.

Strategic recruiter focused on high-touch, bespoke searches for exceptional AI research talent, technical leaders, and special-interest candidates. Works closely with research leadership on confidential outreach and complex hiring strategies.

Build and scale reliable healthcare platform services across backend, frontend, data, and cloud infrastructure. The role requires strong distributed-systems and SQL expertise, Java or Python experience, React proficiency, and leadership in architecture, reliability, mentoring, and modern AI-augmented engineering practices.

Own end-to-end product surfaces for an AI-native wealth management app. Partner with engineering and design to ship AI-driven features with full metric ownership in a fast-paced Series B fintech startup.