Top Principal Engineer Jobs in NYC, NY

As a Principal Engineer, develop scalable, resilient software solutions for Capital Markets, focusing on architecture, implementation, and testing using Java and AI technologies.

Lead the design and implementation of encryption and key lifecycle management products for AI workloads on CoreWeave's cloud platform, collaborating with cross-functional teams to enhance security and manage technology development.

The Principal Engineer will lead the engineering team in building systems across full stack, improving development efficiency, and expanding products in new markets.

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

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

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 technical direction and execution for identity and engagement platforms, modernize systems, and mentor engineers, driving high-quality delivery and collaboration across teams.

Lead the engineering architecture for an AI-driven product, focusing on system design, collaborating with AI agents, and ensuring quality and scalability in large-scale SaaS environments.

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.

This role involves leading technical projects across multiple teams, designing scalable systems, collaborating with cross-functional teams, and mentoring engineers, focusing on payroll and tax systems at Gusto.

The Principal Software Engineer will develop ads infrastructure, lead technical direction for the Ads Platform, and ensure high availability and performance of systems. Responsibilities include collaborating across teams and advocating for best practices.

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 Data Engineer develops and maintains advertising technology, architecting backend services using microservices and cloud technologies, integrating AI capabilities, and guiding the team in best practices.

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.

The Principal Data Engineer will develop scalable data pipelines, manage data infrastructure across AWS, Databricks, and Snowflake, and enforce data quality and best practices.

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

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

Design and build ML infrastructure, influence data access and model deployment, partner with researchers to optimize ML models for trading, and mentor engineers.

As a Principal Software Engineer, you will design, develop, and implement complex software solutions, lead projects, and ensure compliance with standards in a cloud-first environment.

As a Principal Engineer in CIAM, you will lead the design and architecture of secure authentication solutions, mentor engineers, and collaborate with teams to enhance user identity management.

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

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.

This role involves leading the global System Operations Platform team in migrating the Aladdin Platform to the cloud. Responsibilities include mentoring team members, driving architecture and engineering excellence, and working with modern technology stacks across multiple clouds.

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