Top Principal Software Engineer Jobs in NYC, NY

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

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

Lead design, development, and delivery of scalable software solutions. Drive technology decisions, mentor engineers, and ensure quality standards.

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 Principal Software Engineer at Gusto, you'll architect scalable payroll systems, lead cross-functional projects, mentor engineers, and drive product strategy.

The Principal Software Engineer will tackle platform-level challenges, assist team members, write secure and scalable code, and develop features for cloud storage solutions.

The Principal Software Engineer will lead AI automation efforts at Coinbase, designing AI-driven systems, mentoring teams, and solving complex AI challenges to improve operations and developer productivity.

The Principal Software Engineer leads technical initiatives across GM's Digital Products, focusing on high-quality coding, architecture, mentoring engineers, and improving processes. The role requires guiding teams in delivering impactful solutions and sharing best practices.

The Principal Software Engineer will design and scale engineering components, lead projects, advocate best practices, and influence technical direction across teams.

Lead technical vision and execution for enterprise-scale AI, automation, and data initiatives. Architect scalable, secure AI systems and data pipelines, mentor engineers, drive cross-functional alignment, and deliver high-impact production solutions that improve productivity and business outcomes.

The Principal Software Engineer will lead teams in developing full-stack applications, enhance services, drive architectural discussions, and mentor other engineers.

The Principal Software Engineer will architect and lead the development of scalable systems, drive technical excellence, mentor teams, and promote best practices at a fintech company.

As a Principal Software Engineer on the SRE team, lead best practices adoption, mentor engineers, and improve system reliability and user experience through automation and collaboration.

As a Principal Software Engineer, you'll architect and code backend services and ML models, integrate them with Salesforce, and mentor junior engineers.

As a Principal Software Engineer, you will lead the development and architecture of Upstart's Core GenAI Platform, ensuring technical excellence and cross-team collaboration while mentoring junior engineers and influencing business strategy.

The role involves building and optimizing a machine learning and simulation platform, supporting MLOps, model deployment, and infrastructure modernization, while mentoring engineers.

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.

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 technical strategy for Dropbox's core systems and AI integration, drive technical outcomes, and influence multiple teams. Involve hands-on software development and architecture for scalable products.

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

The Principal Software Engineer will lead the modernization of the Assessment platform, ensuring it is scalable and maintainable. Responsibilities include architecting the platform, establishing best practices, and collaborating with stakeholders to enhance system performance and reliability.

The Principal Software Engineer will analyze, design, and implement software solutions, debugging and enhancing products for various applications while ensuring documentation and user requirements are met.

The Principal Software Engineer II will build and maintain machine learning components in Elasticsearch, collaborating with teams, writing scalable code, and owning projects from design to implementation.