Top Principal Software Engineer Jobs in NYC, NY

The Principal Software Engineer will design, develop, and implement complex solutions for the FedNow service, providing technical leadership and ensuring high-quality software across various technologies.

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 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.

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.

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.

The Principal Software Engineer will design core platform services and lead significant software design for multi-tenant SaaS applications, ensuring scalability, security, and code quality while mentoring engineers and driving cross-team collaboration.

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, Applied AI will lead the integration of AI into full-stack applications, mentor engineers, and ensure system reliability while building features using React and Python.

The Principal Software Engineer will lead the architectural vision, drive AI strategy, oversee SDLC processes, and support recruiting while building scalable and secure systems for a healthcare tech platform.

The Principal Software Engineer will lead and shape the Data Platform's technical direction, drive architectural standards, mentor teams, and enhance HubSpot's AI-powered CRM capabilities.

The Principal Software Engineer will design and build scalable core technology systems for Lime's fleet and mentor a team of engineers. Responsibilities include defining technical strategy and collaborating cross-functionally to improve technology and user experiences.

Design and implement new search features and fixes in Elasticsearch, invent or implement algorithms/data structures, collaborate with a distributed team, contribute to Lucene, and build scalable search functionality for serverless platforms.

Lead design, architecture, and hands-on implementation of scalable healthcare SaaS systems. Drive interoperability (HL7, FHIR, EDI), mentor engineers, liaise with stakeholders, manage technical risk, and ensure quality, performance, security, and innovation.

The Principal Software Engineer will lead architectural direction, integrate AI capabilities, mentor engineers, and tackle complex technical challenges for scalable systems.

Lead the architecture of Commerce Hub by defining core domain models, building intricate systems, and mentoring engineers while influencing product strategy.

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

The Principal Software Engineer will lead software architecture, design, and development for genetic testing systems, collaborating across teams to deliver robust solutions that enhance patient care.

Lead reliability, availability, and resiliency strategies for large-scale systems, drive operational excellence, and provide technical mentorship across engineering teams.

Designs and develops Drupal-based web applications and modules, RESTful services, and distributed architectures. Writes unit/integration tests, leads QA readiness, mentors engineers, coordinates projects, and advises senior management on technical strategy.

The Principal Software Engineer will lead the architecture of Akamai's AI inference platform, mentor engineers, and drive technical decisions while contributing to the core infrastructure design and optimization.

Lead the frontend architecture at Akoya, focusing on design quality, and building scalable user interfaces with React and TypeScript. Collaborate with cross-functional teams to deliver high-quality user experiences while mentoring other engineers.

The role involves leading technical initiatives in automating network engineering for Elastic's infrastructure, developing cloud network solutions, and collaborating in a team-focused environment to enhance platform reliability.

The Principal Software Engineer will lead the modernization of seller applications, set technical strategy, and mentor engineers while driving architecture and engineering practices in a cloud-native environment.

Lead the design and development of scalable backend systems, mentor teams, optimize system performance, and ensure robust API integrations.

Lead the design and evolution of Vultr's global cloud networking platform. Oversee implementation, manage services, and support production systems.