Top Principal Engineer Jobs in NYC, NY

Lead architecture and delivery of NBCUniversals digital workplace platform across Microsoft 365, endpoint management, and enterprise AI. Define technical vision, SRE practices, AI governance, and drive global modernization, automation, and stakeholder alignment to improve employee productivity and reliability.

Serve as a global SME for Industrial Metaverse technologies (PLCs, IoT, cloud/edge, digital twins, AI, EMC/RED, cybersecurity). Lead standards work, develop test programs, perform and supervise complex testing, train staff, represent UL externally, and support clients and continuous improvement across regional or global labs.

Lead the architectural evolution from monolithic applications to distributed systems. Define service boundaries, establish architectural standards, shape technical roadmaps, and ensure platform scalability, resilience, and maintainability. Collaborate across engineering teams, solve complex technical challenges, mentor engineers, and influence organizational direction through high-impact architectural decisions.

Leads technical strategy and software architecture across Streaming Hub application teams. Oversees modernization, API standards, cloud infrastructure, CI/CD, testing, observability, resiliency, and AI-assisted engineering practices. Provides design oversight, drives technical-debt reduction, improves developer productivity and operational performance, mentors senior engineers, and partners with Engineering, Product, Architecture, and Quality Assurance teams to deliver scalable, secure, reliable software.

Provides technical leadership for Bank of America's DNA ARC Cloud platform and regulatory reporting systems. Leads AWS migration and modernization, cloud architecture, engineering standards, automation, Infrastructure-as-Code, CI/CD, resiliency, security, compliance, and end-to-end delivery. Oversees complex cross-team solutions, technical strategy, testing, risks, dependencies, and stakeholder coordination while mentoring engineering leaders and establishing scalable cloud engineering practices.

Lead design and prototyping of generative AI experiences for autonomy development; drive UX for Hivemind products; perform user research, collaborate with CTO and product leads, and deliver reference implementations and integrations across full-stack web and edge systems.

The Principal Engineer will lead the design and delivery of core platform capabilities, focusing on scalable systems, AI application, and mentoring engineers while driving architectural decisions and improving operational systems.

As a Senior Principal Engineer, you'll define and drive the technical strategy for customer experience platforms, lead architectural decisions, and mentor engineering teams to enhance customer and agent experiences.

Build and operate AWS and Azure cloud platform foundations, including landing zones, multi-account structures, account vending, Terraform modules, guardrails, CI/CD, centralized monitoring, and configuration-drift remediation. Lead and mentor platform engineers, establish reference architectures and self-service patterns, review application designs, author architecture decisions, and represent the platform in governance forums. The role supports regulated environments, AWS GovCloud, and large-scale data center migration.

Provides technical leadership for Bluehost’s large-scale hosting platform. Sets architecture standards, designs Python and MySQL backend systems on Linux, modernizes Perl and cPanel integrations, and drives reliability engineering practices. Leads complex incident root-cause analysis, establishes AI-augmented delivery standards, mentors senior engineers, and shapes multi-quarter technical roadmaps across the organization.

Build the core visualization platform, reusable frameworks, design systems, and developer tooling for client-facing financial analytics. Translate complex market and trading data into clear, high-performance applications while partnering with product, design, sales, and engineering teams. Evaluate emerging technologies, provide hands-on technical leadership, conduct design reviews, and mentor engineers. The role requires strong software engineering, visual design judgment, interaction design, and information architecture expertise.

Own the architecture, product direction, and hands-on development of Phoenix’s payments infrastructure across processors, gateways, vaults, tokenization, wallets, routing, authorization, disputes, fraud, reconciliation, and reliability. Lead merchant and processor integrations, improve approval rates, manage payment-method portability, maintain PCI-compliant systems, and own incident response. The role combines principal engineering with payments product ownership, requiring direct customer engagement, roadmap decisions, technical design, coding, and accountability for business outcomes.

Leads architecture, design, development, deployment, and production support for complex enterprise software and cloud-native solutions. Advises strategic customers, resolves critical technical issues across application and infrastructure layers, shapes product direction, and drives engineering excellence through modern development practices. Mentors engineers, guides architecture decisions, and collaborates with product, QA, DevOps, SRE, and infrastructure teams. The role primarily supports HealthEdge’s healthcare claims administration platform and customer implementations.

Sets long-term architecture strategy for Fanatics Core’s event-driven platform, leads cross-vertical engineering initiatives, resolves complex distributed-systems problems, mentors senior technical leaders, and establishes standards for testing, observability, incident response, and resilience. Partners with product and business executives to shape technical strategy, drive consensus, reduce technical debt, and guide platform migrations. Represents the organization through technical writing, conference talks, and open-source contributions.

The role involves enhancing application security for Radar, managing security for over 1 billion API calls daily, and collaborating with customers.

Lead technical direction and architecture across telehealth, EHR, patient and clinician systems. Be a hands-on principal engineer writing production code, set engineering standards, mentor and direct offshore teams, own reliability and security (HIPAA/compliance), drive AI adoption, hire and build the onshore engineering org, and partner with the CEO to translate business and clinical needs into technical plans.

Design, build, deploy, and maintain resilient, scalable production systems for Toast’s retail customers. The role sets long-term technical architecture and strategy, communicates technical direction, mentors senior engineers, improves engineering productivity, diagnoses performance issues, and drives initiatives amid ambiguity. Engineers collaborate directly with retail customers, visit stores, understand operational workflows, and use AI tools to improve development velocity and quality.

Define and advance Mastercard’s enterprise data architecture strategy across hybrid cloud and on-premises environments. Lead modernization of global data platforms, establish architecture standards, enable batch and real-time analytics, and promote Data Mesh and data-as-a-product capabilities. Ensure security, resiliency, governance, regulatory compliance, and scalability across AWS, Azure, and GCP. Advise executive stakeholders, evaluate emerging AI-enabled data technologies, and mentor global engineering teams.

Leads Mastercard’s enterprise data architecture strategy across hybrid cloud and on-premises environments. Defines secure, resilient, compliant architecture standards; modernizes legacy platforms across AWS, Azure, and GCP; and advances Data Mesh, real-time streaming, batch analytics, and AI-enabled data capabilities. Serves as a senior technical authority and executive advisor, evaluates emerging technologies, drives architecture governance, and mentors global engineering teams.

This role involves leading technical projects across multiple teams, designing scalable systems, collaborating with cross-functional teams, and mentoring engineers, focusing on payroll and tax systems at Gusto.

The Principal Software Engineer will lead architectural design, mentor engineers, influence technical strategy, and drive AI-augmented development across the platform, ensuring high-impact project delivery in healthcare technology.

Lead silicon photonics and heterogeneous integration development from concept through manufacturing readiness. Responsibilities include process-flow integration, photonic device and advanced packaging development, DOE execution, process characterization, yield improvement, defect reduction, root-cause analysis, design-rule development, tapeouts, technology transfers, technical roadmaps, and AI-enabled engineering initiatives. The role collaborates with design, device, packaging, manufacturing, and supplier teams to deliver optical connectivity technologies for high-performance computing and AI infrastructure.

Leads architecture, solution design, engineering direction, and modernization across Guardian’s annuity technology ecosystem. The role guides policy administration, servicing, distribution integrations, data, digital experiences, and enterprise platforms. Responsibilities include defining technology roadmaps and guardrails, modernizing legacy systems, developing API- and event-driven cloud-native solutions, improving reliability and engineering practices, enabling third-party distribution, and mentoring technical teams. The Principal Engineer partners with business, product, architecture, engineering, and external stakeholders to deliver scalable, secure, resilient platforms.

Design and scale critical, highly-available services; set technical direction across teams; apply best practices for availability, scalability, cost, and operational excellence; leverage AI tools and high-velocity workflows; mentor engineers and solve ambiguous, company-wide technical problems.

Lead architecture and technical execution for Toast’s Payroll and Team Management products. Own authentication, authorization, and organizational hierarchy across a multi-tenant SaaS platform. Drive high-scale, full-stack initiatives, modern agentic development practices, integrations, technical strategy, quality standards, deployment practices, and cross-functional collaboration. Mentor engineers across teams and leverage AI tools and LLM integration to improve software development velocity and quality.