Top Principal Engineer Jobs in NYC, NY

Leads the strategy, architecture, engineering, and modernization of NBCUniversal’s global digital workplace platforms. Responsibilities span Microsoft 365, endpoint management, identity and security, unified communications, enterprise AI, Copilot, Power Platform, automation, and SRE practices. The role establishes technical standards, governance, reliability objectives, and AI adoption strategies while mentoring engineers and influencing enterprise architecture, cybersecurity, operations, and business stakeholders.

Lead technical direction and architecture across telehealth, EHR, patient and clinician systems. Be a hands-on principal engineer writing production code, set engineering standards, mentor and direct offshore teams, own reliability and security (HIPAA/compliance), drive AI adoption, hire and build the onshore engineering org, and partner with the CEO to translate business and clinical needs into technical plans.

Lead privacy engineering strategy and architecture across Anthropic’s products, AI research, training data, infrastructure, and cloud environments. Build privacy primitives for data discovery, classification, lineage, access control, auditing, retention, deletion, and export. Translate regulations and consent obligations into technical controls, guide complex cross-functional initiatives, mentor senior engineers, influence company-wide privacy practices, and represent privacy engineering to customers, regulators, and standards bodies.

Designs, implements, and deploys scalable software, cloud, identity, and platform solutions. Leads engineering projects, develops architectures and system improvements, resolves complex technical issues, documents designs, evaluates technology strategies, and mentors engineers. The role influences organization-wide technology and policy decisions while supporting highly available environments and improved operational efficiency.

Principal Engineer responsible for defining the long-term architecture and modernization strategy for GitLab’s Fulfillment platform. The role drives technical direction across entitlements, licensing, provisioning, seat management, usage visibility, and cost management. Responsibilities include hands-on distributed systems engineering, migrations, performance and reliability improvements, cross-team influence, AI-assisted engineering adoption, and mentoring senior technical staff.

Leads technical strategy, architecture, and engineering execution across Atlassian’s Rovo Chat, Search, Growth, Apps, and Clients experiences. The role drives scalable AI foundations, Search and Chat convergence, personalization, experimentation, reliability, security, and operational excellence. It involves leading cross-organizational initiatives, partnering with product, design, data science, and machine learning teams, mentoring senior engineers, and shaping multi-year technical roadmaps for customer-facing applications.

Architect and operate scalable cloud and virtualized lab platforms for global sales engineering teams. Build automated cybersecurity demonstrations simulating malware, exploit paths, and detection workflows. Lead self-service tooling, product demonstration readiness, infrastructure reliability, outage resolution, security governance, and major conference technical operations. Partner with Product Management, Engineering, Information Security, and Platform Engineering while providing technical leadership across complex infrastructure initiatives.

Leads software teams developing, integrating, deploying, and maintaining full-stack mission applications for DoD and intelligence customers. Builds prototypes, scales applications, develops responsive frontend features, integrates systems, collaborates with government operators, and conducts deployment and field testing in secure environments. The role requires customer relationship management, technical leadership, software engineering expertise, and active security clearance.

Leads systems engineering for flight management avionics, including software requirements definition, hardware and software integration, deployment, troubleshooting, laboratory test-bench integration, and verification and validation. Provides technical leadership for complex engineering projects and ensures compliance with aviation certification, security, and systems engineering standards. Requires extensive Flight Management or Flight Guidance experience and collaboration with software and systems engineering teams.

Provides hands-on technical direction and architecture ownership for connected products and cloud platforms. Defines target architecture, APIs, data models, integration patterns, and technical roadmaps; guides device-to-cloud systems, platform modernization, security, reliability, observability, CI/CD, and incident response. Partners across engineering, product, science, quality, IT, DevOps, and external vendors. Remains involved in backend implementation, technical investigations, code reviews, mentoring, and resolving high-risk production issues.

Leads performance engineering across distributed systems, from browser to operating system. Defines SLOs, performance standards, capacity models, automated load testing, CI/CD performance gates, observability, and troubleshooting practices. Builds scalable self-service tooling, mentors engineers, influences senior stakeholders, and governs responsible AI-enabled engineering workflows with security, resiliency, and auditability controls.

Establishes engineering vision and technical strategy for a customized experience platform spanning web, mobile, content, experimentation, observability, analytics, and developer experience. Designs scalable architectures, develops reusable frameworks and engineering standards, leads critical incident resolution, evaluates technologies, influences multiple teams, mentors engineers, and translates customer outcomes into platform roadmaps and measurable engineering improvements.

Lead the architecture and implementation of NVIDIA’s large-scale data retrieval platform for foundation-model training. Build web crawling, source discovery, indexing, scheduling, fetching, ingestion, provenance, and policy-enforcement systems. Ensure production reliability, scalability, observability, and cost efficiency while supporting open-web, licensed, partner, code, STEM, and multimodal data. Partner across engineering, research, product, legal, privacy, and governance teams, mentor engineers, and set technical direction.

Principal Software Engineer responsible for owning customer-facing products end to end, leading technical strategy, architecting large-scale distributed systems, and delivering AI-native experiences. The role involves full-stack implementation, product strategy, system design, code reviews, reliability, testing, telemetry, security, performance, and mentoring engineers. Candidates must have extensive experience building and operating large-scale systems and strong product, UX, communication, and collaboration skills.

Lead architecture and technical direction across multiple engineering teams. Drive large-scale refactoring, domain decomposition, cross-team technical decisions, AI-native engineering practices, production coding, testing, observability, reliability, technical planning, and engineering standards. Mentor senior technical staff, influence hiring and leveling, and partner with Product, Design, and engineering leadership to deliver foundational platform improvements.

Lead architecture and implement large cross-cutting initiatives on a SaaS grantmaking platform. Produce high-quality full‑stack code (Rails/React/Node), mentor engineers, drive SDLC best practices, and champion AI-assisted development while collaborating with product, infra, and QA teams.

Owns company-critical, long-term technical problems across multiple teams and organizations. Defines technical strategy, architectures, roadmaps, and engineering standards for large-scale customer-facing systems. Remains hands-on in software development while driving AI adoption in products and engineering workflows. Partners with senior product, engineering, and executive leaders to resolve complex problems, improve reliability and performance, and shape Dropbox’s technical direction.

The Principal Engineer will lead the design and delivery of core platform capabilities, focusing on scalable systems, AI application, and mentoring engineers while driving architectural decisions and improving operational systems.

Define Scribd’s technical vision for agentic engineering and establish architecture, patterns, and guardrails for AI-assisted software development. Lead internal developer tools, libraries, platforms, and engineering workflow improvements across codebases, CI/CD, and infrastructure. Partner with engineering leadership on ambiguous cross-organizational initiatives, mentor senior and staff engineers, and drive adoption of coding-agent capabilities throughout the organization.

Lead architecture and hands-on development for AccessOne’s financing platform across frontend, backend, data systems, integrations, and cloud infrastructure. Modernize production systems, build accurate and auditable financial workflows, lead complex initiatives through deployment, and establish engineering practices. Use AI coding tools responsibly while ensuring software quality, security, testing, reliability, and maintainability.

Own the architecture, roadmap, reliability, and scalability of AlphaSense’s cloud-native Data Platform. Build large-scale data migration capabilities across cells, regions, and geographies; enable self-service storage provisioning; and drive data placement, replication, tenant routing, and isolation. Partner with Cloud Platform, SRE, and DevEx teams, establish managed-first standards, identify scalability risks, contribute code across teams, and mentor senior engineers.

Principal Engineer responsible for defining technical vision, designing and delivering large-scale distributed systems, writing production code, and guiding major architectural decisions. The role establishes engineering standards, develops reusable systems, mentors senior engineers, supports roadmap and resource planning, and contributes to technical hiring. Key work includes cloud infrastructure, data architecture, AI/ML and LLM systems, monolith-to-microservices migrations, scalability, reliability, security, performance, and observability.

Leads platform architecture across AWS and Azure, commercial, regulated, and sovereign environments. Owns reference architecture, Kubernetes, infrastructure as code, GitOps, provisioning, security integration, and release engineering standards. Drives cross-organizational technical decisions, prototypes complex platform components, partners with product, finance, security, and compliance teams, mentors engineers, and influences architecture adoption through design reviews and RFCs.

Architect and deliver high-performance, scalable platform services across GitHub (Actions, Identity, Billing, Git systems, DB infra). Lead design through production, mentor engineers, own reliability and on-call responsibilities, design APIs, collaborate cross-functionally, drive roadmaps, and champion security and operational excellence.

Principal Engineer responsible for architecting, building, testing, deploying, and operating full-stack TypeScript applications. The role leads React and Next.js front ends, Node.js services, APIs, cloud infrastructure, integrations, databases, CI/CD, observability, security, and AI capabilities. It owns products end to end, establishes engineering standards, partners with creative and operations teams, and provides technical leadership on client projects. Strong autonomy, communication, architecture, and production operations skills are required.