Top Principal Software Engineer Jobs in NYC, NY

As a Principal Software Engineer on the GenAI team, lead the design and implementation of AI-powered solutions, ensuring technical alignment and mentoring engineers.

Design, develop, and maintain scalable software solutions. Collaborate with teams to troubleshoot issues and enhance the software delivery lifecycle. Focus on backend services, using Java and various tools for performance optimization.

As a Principal Software Engineer at Vanta, you'll lead engineering initiatives for the Governance, Risk, and Compliance product, mentor teams, and drive significant business impact through strategic technical direction and infrastructure development.

Lead initiatives to enhance Elasticsearch search features, improve search relevance, fix bugs, and collaborate with global teams while using modern Java.

Lead the design and evolution of OneStream's platform, implementing complex features, setting engineering standards, mentoring teams, and ensuring scalability and reliability of solutions.

Design and develop scalable backend systems for SaaS applications, mentor engineers, and lead projects while collaborating with cross-functional teams.

The role involves designing and developing secure software solutions, focusing on innovative sensor technology for Linux environments, and enhancing customer adoption through collaboration.

Design and develop scalable features for secure software. Advocate for quality standards and engage with customers. Work remotely with a focus on product improvement.

The Principal Software Engineer will build systems for safe software deployment, enhance developer frameworks, and ensure reliability in code delivery.

The role involves designing and developing secure software solutions, maintaining quality standards, and collaborating with leadership and customers to drive product adoption and success.

As a Principal Software Engineer, you'll own platform-scale initiatives, shape AI direction, ensure reliability in distributed systems, and mentor others.

The Principal Software Engineer will lead D2C Growth initiatives at Aura, shaping customer acquisition strategies and mentoring engineering staff while designing innovative optimization and personalization platforms.

As a Principal Mobile Software Engineer, you'll lead mobile platform development, scale React Native architecture, mentor engineers, and collaborate across teams to build impactful features.

Design, develop, and maintain a unified data platform, focusing on API architecture, database performance, and mentoring engineers in a hybrid role.

Lead the Web Data Acquisition team as a Principal Software Engineer, responsible for designing web crawling infrastructure and mentoring engineers.

As a Principal Software Engineer, you'll design and deploy ML-powered tools, build scalable backend systems, and engage with clients for AI solutions. You'll work on R&D for innovative tools and manage cloud operations to support ML models.

The Principal Software Engineer will design and implement AI-powered SaaS applications while providing technical leadership and mentoring to the team.

The role involves enhancing Elasticsearch's performance in distributed systems, managing cluster coordination, debugging complex systems, and leading cross-team projects.

The Principal Software Engineer I will enhance Elasticsearch components for performance, manage cluster coordination, and debug complex distributed systems while leading projects.

Lead development of the Perc real-time JVM and toolchain (32/64-bit) on Linux for x86/ARM. Implement features and fixes, maintain tests and releases, support customers and presales, manage CI/build systems, and influence product roadmap and tooling.

The Principal Software Engineer will architect and implement Arcesium's data platform, leading high visibility engineering efforts and guiding engineers. Responsibilities include building technology, designing products, and data modeling.

Lead and deliver complex full-stack projects; design and build high-performance features and services using Node.js, React/React Native, MongoDB, Python, and GCP; drive technical vision and product strategy; monitor platform performance in a high-volume marketplace; mentor junior engineers and help scale the team. Role is NYC-based with typically 3+ days/week in office.

Lead technical aspects of the reporting and dashboard platform, focusing on architecture, data ingestion, system performance, and mentoring engineers.

The Principal Software Engineer will architect real-time conversation systems, deliver production code, and integrate generative AI into workflows for live customer interactions.

Design and scale PaaS and Data Infrastructure for SaaS products. Lead technical execution of distributed systems and automation pipelines while mentoring engineers and enforcing standards for reliability and performance.