Top Principal Engineer Jobs in NYC, NY

Lead software development projects, solve complex problems, enhance system performance, and define strategic engineering goals while collaborating with stakeholders.

Lead the strategy and implementation of Observability solutions, ensuring alignment with business goals, and enhancing customer monitoring and reliability.

As a Principal Engineer at CrowdStrike, you'll evolve the technical vision for NG-SIEM, deliver high-scale ingestion systems, lead project teams, and collaborate cross-functionally to enhance the product's performance and customer experience.

The Principal Engineer will lead cloud threat detection initiatives, design detection logic, conduct cloud investigations, and drive enhancements for security across cloud environments.

Lead the architecture and operation of Managed databases for AI workloads, ensuring high-scale, low-latency solutions while mentoring teams on best practices.

The Principal TypeScript Engineer will architect and ship core features for the Agent Platform, designing APIs and SDKs while influencing product direction and directly engaging with customers.

The Principal Software Engineer will design and implement systems for the advertiser experiences at Snap, lead technical vision, mentor engineers, and innovate on creator marketplace products.

The Principal Engineer will lead technical direction across multiple teams, design architecture for financial systems, mentor engineers, and drive multi-year transformations in the Money Group.

Lead iOS technical direction and deliver large, high-traffic consumer apps. Own end-to-end initiatives, set architecture and quality standards, drive shared frameworks and CI testing, mentor engineers, and collaborate with product and cross-functional teams to ensure scalable, reliable, and well-tested iOS experiences.

Lead architecture and evolution of shared mobile and OTT libraries and platform components. Drive RFCs, CI/CD, testing standards, and mentor engineers while delivering cross-team platform solutions for iOS, Android, and OTT.

As a Principal Engineer at GitLab, you will lead technical direction for infrastructure platforms, ensuring scalability and resilience while mentoring senior talent and influencing architectural decisions across multiple teams.

The Principal Developer Productivity Engineer will enhance GM's developer tools, mentor engineers, and drive system performance through observability and software engineering best practices.

Lead enterprise data architecture for Mastercard, modernizing data platforms and ensuring compliance, security, and operational excellence in a hybrid cloud environment.

Lead the technical roadmap for the Ad Marketplace, design and optimize machine learning models, and collaborate with teams to meet objectives.

The Principal Agentic AI Engineer will build workflows for campaign performance using agentic AI methodologies and oversee their operational performance.

Lead architectural decisions, mentor engineers, and drive technical strategies for scalable software systems, focusing on high-quality solutions and system health.

Research and develop techniques to accelerate application workloads on NVIDIA's hardware, optimize performance, and collaborate with teams to influence design.

Lead technical projects for the Workers AI team focused on deploying AI inference, building innovative features, and enhancing developer experience.

Responsible for ensuring security and integrity in technology operations, providing expertise in security engineering, and collaborating with teams to embed security measures in API design and deployment.

The Principal Software Engineer will lead architecture, mentorship, and technical execution for scalable systems, influencing product strategies.

The Associate Principal Linux Systems Engineer will manage Linux systems, ensure high availability, perform routine maintenance, and support online game infrastructure.

Lead architecture and technical direction for Platform Engineering initiatives, drive cross‑org programs (CI/CD, observability, runtime, security), define platform standards and paved roads, mentor senior engineers, and represent Platform Engineering to stakeholders to improve developer experience and operational excellence.

The Principal Engineer will lead a team to build and scale a serverless platform, make architectural decisions, and mentor engineers while managing technical challenges and collaborating with Product.

The Principal Engineer will define and build cloud-native platforms, solve complex problems, mentor teams, and align technical vision with business strategy.

The Lead Value Engineer collaborates with sales teams to drive customer value through data-driven business transformation, identifying use cases, building demos, and facilitating workshops while managing relationships with C-level executives.