Top Principal Software Engineer Jobs in NYC, NY

As a Principal Software Engineer, you'll architect scalable backend systems for mobile applications, mentor teams, and influence tech strategy to support mobile-first growth.

The Principal Software Engineer will design and scale backend systems for Salesforce's AI-driven supply chain workflow engine, collaborate with teams, lead engineers, and ensure operational excellence and best practices in development.

Responsible for architecting and modernizing Salesforce's data ecosystem, optimizing performance, and leading design for AI and knowledge graph integration.

As a Principal Software Engineer, you'll lead architectural strategies, mentor engineers, prototype services, and ensure alignment with business goals in a remote environment.

The Principal Software Engineer will define technical roadmaps, guide system architecture, mentor leaders, and drive product direction in Capital Supply operations.

Lead mobile software development as a Principal Mobile Software Engineer, driving technical strategy, building systems in React Native, and mentoring engineers to enhance user experience and scalability.

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.

As a Principal Software Engineer, you'll drive technical architecture, mentor teams, and lead software development projects while contributing to code and best practices.

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

The Principal Software Engineer guides technical vision, leads projects, mentors engineers, and develops complex software solutions across various domains.

The Principal Engineer will lead the architectural vision for the TiDB optimizer, focusing on query optimization and enhancing the performance of the TiDB database, employed by large organizations globally.

The role involves leading the development of analytics in Elasticsearch, providing technical vision, and collaborating with teams to enhance ES|QL capabilities and infrastructure.

The Principal Software Engineer will architect AI solutions, lead a development team, mentor engineers, and collaborate with product teams to improve platform capabilities.

Join Utilidata as a Senior Software Engineer to mentor junior engineers, develop high-quality Python code, optimize cloud infrastructure, and implement scalable solutions for big data processing.

Lead the technical vision and architecture for a lending platform, ensuring design of scalable, secure systems. Mentor teams and drive innovation in fintech solutions.

The Principal Software Engineer leads technical vision and strategy for the division, mentors staff, and drives architectural standards across multiple business units.

The Staff/Principal Software Engineer will lead the development of full-text search capabilities, focusing on search infrastructure, collaboration, and innovative solutions in AI applications at Pinecone.

Designs and oversees data architecture and software solutions to manage structured and unstructured data, ensuring data quality and compliance with privacy regulations. Leads data engineering initiatives, collaborates with technical teams, and may influence business strategy.

The Principal Software Engineer will provide technical and architectural leadership in data engineering, focusing on strategy, innovation, and ensuring successful production deliveries while fostering teamwork and mentoring.

Lead design and implementation of Generative AI features, mentor engineers, ensure performance and reliability, collaborate with product teams, and maintain high quality standards.

The Principal Software Engineer, Applied AI will lead the integration of AI into data apps, mentor teams, and ensure system reliability at scale through full stack development using React and Python.

Develop secure data sharing middleware within national security. Requires full data stack management and experience in mission-critical services. AI and data handling expertise needed.

As a Principal Backend Software Engineer, you'll design and develop core modules for the elluminate platform, engage in all software development lifecycle phases, and provide technical guidance and support to the Engineering team.

As a Principal Software Engineer, you'll lead technical initiatives, ensure system reliability, mentor engineers, and influence technical strategies that align with business goals.

The Principal Software Engineer will lead technical initiatives, design scalable software, mentor engineers, and influence system architecture in IoT projects.