Top Principal Software Engineer Jobs in NYC, NY

The Principal Software Engineer leads software solution development, directs the software engineering life cycle, and guides architecture for PNC's Tempus Technologies. Responsibilities include automation, security oversight, and collaboration across teams to enhance systems and product offerings.

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.

As a Software Engineer Principal (UI), you'll design and code software solutions, provide technical guidance, and lead problem-solving efforts to meet complex business needs.

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

The Principal Software Engineer provides technical leadership for enterprise applications focusing on ERP and core systems, resolving complex issues, and enhancing solutions while ensuring best practices in full-stack development.

The Lead Principal Software Engineer/Systems Architect will design and implement SoundCloud's core API architecture, mentor engineering teams, and ensure system reliability and scalability while driving modernization efforts using AI and agentic workflows.

The Principal Software Engineer will provide architectural guidance, mentor developers, manage risks, and ensure high-quality software production across various teams and product areas.

Lead the architecture of backend services and distributed systems for OpenAI's B2B engineering team, ensuring scalable, reliable, and secure products.

As Principal Software Engineer, you'll define and drive Airbnb's performance strategy, lead performance profiling development, mentor engineers, and connect performance outcomes to business objectives.

The Principal Software Engineer at Motion will make key technical decisions, implement large software projects, take ownership of projects, and collaborate with other engineers to enhance product value.

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

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

The Software Engineer Principal leads the design and development of large-scale systems, mentoring teams and driving architecture decisions while ensuring compliance with best practices and security standards.

Lead technical aspects of an engineering team, focusing on design, development, optimization, and mentorship of large-scale enterprise web applications, with a strong emphasis on cloud and distributed systems.

Lead the development of Fetch's measurement and attribution ecosystem by defining technical strategy, architecting systems, and mentoring engineers. Oversee integrations and ensure scalability while collaborating with cross-functional teams to meet business goals.

Develop and maintain advanced security software solutions, architect AI-enhanced microservices, and lead project teams for threat protection at GoDaddy.

The Principal Software Engineer leads the design and development of scalable software solutions, mentors engineers, and drives architectural decisions while collaborating with cross-functional teams.

As a Principal Software Engineer, you'll architect version 2 of an AI claims management platform, designing complex systems for insurance claims handling while mentoring engineers and collaborating with leadership.

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

Lead AI adoption initiatives and cultural transformation in engineering at Yahoo Mail, enhancing developer productivity through AI tools and practices.

Seeking Senior, Lead, or Principal Engineers for backend roles in building scalable AI-powered supply chain solutions, focusing on data integration and platform architecture.

The Principal Software Engineer will lead technical initiatives, own systems and capabilities, drive architectural improvements, provide mentorship, and ensure quality across the engineering organization while delivering complex software solutions.

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.

Design, develop, and deploy secure, scalable software solutions; implement and automate CI/CD pipelines and testing; manage cloud infrastructure (AWS/Azure) and infrastructure automation; provide Tier III support, monitor performance and SLAs, and train teams on automation best practices.