Top Principal Engineer Jobs in NYC, NY

Develop and enhance production-quality derivatives pricing models, risk analytics, and quantitative tools on JPMorganChase’s Athena Python platform. Partner with portfolio managers, traders, quants, and technology stakeholders across rates, credit, and equities. Support trade lifecycle analytics, troubleshooting, hedging, and risk aggregation while creating reusable software frameworks. Lead agentic AI-enabled engineering workflows with appropriate security, resiliency, validation, and governance controls.

The role involves designing and developing core features for the Linux sensor in CrowdStrike's security platform, collaborating with teams across the company, and maintaining software quality for cross-platform delivery.

Architect and lead development of a Kubernetes-native platform for NBC broadcast production environments. Build Go-based Kubernetes operators, controllers, APIs, and Crossplane providers across AWS multi-account and hybrid infrastructure. Own cloud networking, DNS, access controls, GitOps delivery, Puppet configuration management, observability, VDI integrations, and CI/CD standards. Mentor engineers, make architectural decisions, collaborate with broadcast teams and vendors, and ensure reliable, secure, enterprise-scale platform operations.

Provide technical direction for GitLab Dedicated, a managed single-tenant SaaS platform. Lead architecture and transformation across resilience, failover, tenant orchestration, change management, automation, and platform integrations. Identify systemic reliability and scalability risks, establish reusable platform patterns, strengthen service ownership, and guide cross-team technical decisions. Mentor senior engineers and advance engineering excellence across the organization.

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.

Lead end-to-end development of SuperCircle’s platform, including APIs, web applications, backend services, logistics workflows, and partner integrations. Define architecture, document technical decisions, mentor engineers, improve testing and operational discipline, and build AI-assisted development workflows. The role also involves customer engagement, prototyping, product input, and technical leadership for the NYC engineering team. Deep TypeScript, Node.js, React, cloud, API, and NoSQL expertise is required.

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.

Provides department-wide technical direction for k0rdent across Kubernetes, AI infrastructure, AI applications, and observability. Designs cross-cutting systems, establishes engineering standards, resolves architectural risks, mentors Staff and Principal engineers, and aligns product strategy with durable technical execution. The role also engages customers, partners, upstream communities, and industry forums while contributing code and prototypes to solve complex infrastructure problems.

Provides technical leadership for a platform initiative by defining architecture, scalability, and long-term engineering strategy. Designs APIs, data pipelines, integrations, and distributed services; leads complex initiatives; manages dependencies and cross-functional execution; improves reliability, observability, and operational efficiency; evaluates technical risks and emerging technologies; and influences product roadmaps and technical direction across teams.

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.

Develop low-level, high-performance instrumentation within CICS and z/OS using HLASM. Design production features for mission-critical mainframe environments, diagnose complex system behavior through dumps and traces, analyze performance bottlenecks, and collaborate with an experienced engineering team. The role requires deep z/OS and CICS internals expertise, systems programming knowledge, and proficiency with JCL, SDSF, and USS.

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 site reliability engineering for automation services, maintaining infrastructure code, CI/CD pipelines, IaC modules, and monitoring scripts. Serves as the highest production escalation point, leads root-cause analysis, designs scalable and secure platform services, manages production standards, and coordinates the work of DevOps Engineers. The role supports a 24/7 operation and may require overtime or nights and weekends.

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.

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.

Own high-stakes forward-deployed engineering engagements with strategic partners and enterprise organizations. Build and ship production integrations, prototypes, tooling, and platform changes in customer and Microsoft codebases. Define engagement models, reusable technical assets, and quality standards; translate customer evidence into Windows platform roadmap changes; mentor engineers; and demonstrate measurable adoption through production workloads, telemetry, and customer outcomes.

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.

Designs, maintains, and improves reliable, scalable production systems and infrastructure. Responsibilities include incident response, post-mortems, SLO and SLI management, Kubernetes administration, automation, capacity planning, performance optimization, documentation, and on-call support. The role partners with development and operations teams to embed reliability practices, reduce operational toil, and improve service availability and performance.

Lead architecture and hands-on development of backend and API platforms supporting ecommerce, loyalty, clienteling, and customer personalization. Build scalable Node.js and TypeScript services, integrations, microservices, and event-driven systems across commerce, payments, fulfillment, CRM, analytics, and digital experience platforms. Own API governance, security, observability, DevOps automation, and cloud infrastructure while mentoring engineers and shaping technical standards and roadmaps.

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.