Top Principal Software Engineer Jobs in NYC, NY

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

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.

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

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

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.

As a Principal Software Engineer, you'll lead complex projects, build scalable systems, and integrate EHRs while driving technical improvements and collaborating with cross-functional teams.

The Principal Software Engineer designs and enhances software applications using Appian, providing technical leadership and ensuring alignment with enterprise standards in a healthcare environment.

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.

The Principal Software Engineer will lead technical initiatives, develop scalable solutions, mentor teams, and drive system architecture for a connected equipment platform.

Lead design and reliability of a financial data extraction platform, minimizing human validation through AI, and enhance system correctness for scale.

The role involves enhancing vector similarity search in Elasticsearch, leading initiatives, implementing new features, and collaborating with a distributed team.

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

Lead the design and implementation of full-stack solutions while mentoring junior engineers and driving agile development practices within the organization.

Design and build open-source Pulumi SDKs, ensure code quality, lead projects, and contribute to the developer community.

Lead architectural vision and development of scalable infrastructure for self-driving technology, mentoring engineers and overseeing complex projects.

The Principal Software Engineer will lead technical direction, mentor engineers, and oversee project execution while implementing backend services in Python and React frontends. Responsibilities include driving innovation, shaping architecture, maintaining high engineering standards, and contributing to the operational lifecycle of features.

Lead the design and implementation of mortgage technology features, mentor engineers, and collaborate across teams to improve customer experiences.

Design and develop web applications, mentor teammates, shape architectural decisions, write clean code, conduct testing, and troubleshoot issues.

The Principal Software Engineer will lead AI integration into production, shape technical direction, mentor engineers, and ensure system reliability, working with full stack technologies.

As a Staff Engineer at Titan, you will develop and enhance applications, integrate AI solutions, and optimize backend systems while collaborating with cross-functional teams.

The Principal Software Engineer II will lead and contribute to Elasticsearch's Storage Engine team, focusing on efficient data querying, indexing, and developing Timeseries solutions. This role requires strong technical leadership, collaboration across teams, and expertise in Java and Elasticsearch.

The Principal Software Engineer will maintain and enhance cross-platform GUI applications, develop Python APIs, manage CI/build systems, and oversee AWS infrastructure for M-Star's CFD software, contributing to scientific innovation across multiple industries.

The Principal Software Engineer designs prototypes, implements solutions, analyzes technologies, and provides development support, playing a key role in improving customer experience for federal clients.

The Principal Software Engineer will lead development for Dataminr's Knowledge Platform, focusing on AI and data engineering to enhance knowledge graphs and alerting capabilities.

The Principal Software Engineer will lead technical development for Breeze Assistant, focusing on AI integration with HubSpot CRM and experimentation with LLM capabilities, ensuring system reliability and mentorship within the engineering team.