Top Staff Engineer Jobs in NYC, NY

Leads technical vision and engineering excellence for a cloud-native global payments network. Designs and reviews resilient, secure, scalable, low-latency systems; decomposes complex problems; supports cloud modernization and new payment capabilities; mentors engineers; shares technical knowledge; and advises teams on architecture, performance, scalability, operability, and production-quality implementation.

Lead the design and delivery of next-generation frontend technology at Datadog. Responsibilities include coaching engineers, leading major product and website redesigns, owning core customer experiences, coordinating cross-team technical initiatives, and developing high-complexity, high-performance interactive browser applications. The role requires strong UI/UX judgment, experimentation expertise, architectural leadership, and deep React experience.

As a Senior Staff Engineer, you'll lead technical initiatives across teams, maintain quality standards, mentor engineers, and improve system architecture at Braze.

Lead architecture and technical strategy across services, guide migrations, define AI strategy and responsible use, align engineering with product and business goals, mentor senior engineers, and drive scalable, resilient data and integration boundaries to improve customer experiences across digital and physical products.

Lead architecture and delivery of large, cross-team full‑stack projects; define technical standards and strategy; drive scalability, reliability, and performance; champion AI-augmented development; mentor senior engineers and influence cross-functional decisions to achieve business outcomes.

Lead the evolution of CoreWeave AI Object Storage's security, manage cross-functional teams, and develop secure cloud-scale storage systems.

As a Distinguished Engineer, you'll lead technical innovation in cloud banking, mentor engineers, evaluate AI tools, and enhance CI/CD processes while collaborating with executives.

Design, develop, deploy, and maintain scalable customer-facing software, APIs, workflows, and data-driven services. Define technical requirements, create implementation plans, automate and test releases, review code and architecture, and drive technical decisions. The role includes mentoring engineers, identifying technical gaps, maintaining engineering excellence, and serving as a product-domain expert while collaborating with product managers, data scientists, team leads, and managers.

Designs low- and medium-voltage power distribution, emergency power, lighting, fire alarm, and electrical infrastructure systems. Prepares calculations, code analyses, reports, drawings, specifications, schedules, and cost estimates. Conducts site visits and inspections, performs power studies including load flow, voltage drop, short circuit, and arc flash analyses, and coordinates multidisciplinary project work.

Develop guidance, navigation, and control algorithms for advanced aircraft in a blue-sky defense project. Responsibilities include vehicle dynamics modeling, flight-control design, simulation, real-world control-system tuning and optimization, and applying modern control theory. The role requires strong aircraft dynamics and handling-qualities expertise, production C++ experience, and MATLAB/Simulink proficiency. Candidates must be able to obtain a Secret clearance and collaborate effectively in a fast-moving engineering environment.

Leads technical vision and software architecture across Capital One’s engineering organization. Designs scalable, performant, and operable systems; ensures implementation quality; solves complex technical problems; mentors engineers; communicates technical knowledge; and collaborates with digital, product, and machine learning teams to deliver mobile and web banking experiences.

Leads architecture and technical direction for scalable, high-availability software services. Owns complex, multi-team initiatives, makes autonomous technical decisions, partners cross-functionally, mentors engineers, establishes standards, and advocates for quality. The role develops mission-critical systems supporting millions of endpoints and requires deep Java expertise, scalable system design, API development, relational databases, and strong testing practices.

Lead design and implementation of the Tax platform: build scalable, fault-tolerant systems, improve extensibility, mentor engineers, drive technical strategy and roadmap, collaborate cross-functionally, improve reliability/incident response, and build AI guardrails to safely leverage agentic LLMs for tax compliance.

The Staff Engineer will architect and develop systems and features at FLORA, working closely with the founding team to innovate creative tools.

Design and deliver reusable paved paths (documentation, IaC modules, templates, libraries, and tools) to simplify cloud-native development. Partner with architects and platform teams to translate patterns into adoptable implementations, iterate based on feedback, and evolve AI-assisted developer workflows to improve developer experience and accelerate delivery.

Designs, builds, and scales backend services and integrations for payments, billing, identity, and partner connectivity. Sets technical vision and architecture for distributed systems, leads cross-team delivery, manages production rollouts, builds fault-tolerant services and data pipelines, and mentors engineers. The role partners with product, design, and engineering teams to deliver frequent, reliable improvements for Flex’s rent payment platform.

Build and own full-stack MarTech services, scalable APIs, event-driven systems, data pipelines, and customer-facing web experiences. Integrate advertising, analytics, messaging, and marketing platforms while supporting attribution, identity resolution, experimentation, acquisition, and retention. Collaborate cross-functionally with marketing, product, data, design, and engineering teams to launch measurable growth initiatives. Mentor engineers and establish technical best practices across high-scale marketing infrastructure.

Design, build, and operate multi-region, multi-cloud network infrastructure across AWS, GCP, and Azure. Own cloud-to-cloud and customer connectivity, troubleshoot latency/packet-loss via pcap and path analysis, set technical direction for network expansion, improve cross-region connectivity, and identify network cost and efficiency improvements while participating in incident response and on-call rotation.

Build, monitor, and scale resilient cloud infrastructure across multi-region and multi-cloud environments. Develop Kubernetes controllers and infrastructure tools using Go, Python, Ruby, and Terraform; maintain Datadog observability; diagnose complex production performance and reliability issues; automate failover and capacity management; and collaborate with engineering teams on architecture and infrastructure improvements.

Design, develop, and field high-performance Ground Control Station and C2 software using C++/Qt/QML and QGroundControl. Lead architecture and technical direction, mentor engineers, define APIs/ICDs, debug integration/latency issues, support field tests, implement post-mission debrief tools, and ensure interoperability with C2 standards.

Own and maintain native C++ build systems for autonomous aircraft. Improve developer velocity by reducing build/test cycle time, integrate CI with HIL and simulation, implement monitoring and alerts, troubleshoot build/test failures, and collaborate with engineers to design and deploy DevEx/DevOps solutions.

Lead survivability engineering for autonomous aircraft: design and optimize low-observable features, perform EM signature modeling and RCS testing, partner with multidisciplinary teams and materials scientists, translate threats into survivability requirements, and support assessments and milestone decisions throughout the program lifecycle.

As a Distinguished Engineer, you will lead technical projects, mentor engineers, promote innovation, and provide strategic solutions for complex problems within Capital One's cloud banking environment.

Lead backend architecture and development for a GenAI framework supporting AI agents and healthcare automation. Establish Python standards, scale production applications, drive AI coding assistant adoption, and oversee testing, observability, infrastructure, and build-versus-buy decisions. Partner across engineering, product, and business teams while mentoring senior engineers and translating strategic goals into technical roadmaps. The role focuses on data-intensive systems, APIs, cloud infrastructure, and agentic workflows in a healthcare technology environment.

Own the technical direction of the web platform, including shared UI frameworks, component libraries, frontend tooling, build pipelines, and developer workflows. Establish frontend architecture, performance, accessibility, and design-system standards while promoting AI-assisted development practices across engineering. Identify systemic issues, drive cross-team solutions, and partner with product, design, and engineering stakeholders to improve web quality and delivery velocity.