Top Staff Engineer Jobs in NYC, NY

Leads development of resilient, scalable features across Toast’s enterprise Sports and Entertainment platform, including backend, frontend, and POS systems. Responsibilities include designing, deploying, testing, monitoring, and maintaining production services; leading complex technical projects; collaborating with Product, Design, Customer Success, Sales, and other teams; mentoring engineers; and using AI tools to improve development productivity.

Design and support electrical building systems in a multidisciplinary MEP engineering environment. The role includes participating in training, applying building codes, using Revit and AutoCAD, preparing technical documentation, presenting designs, and interfacing with clients. Projects span high-rise, mission-critical, housing, commercial, higher education, transportation, adaptive reuse, and life science facilities.

Design and support mechanical building systems for MEP projects across high-rise, mission-critical, housing, commercial, education, transportation, adaptive reuse, and life sciences facilities. The engineer will apply applicable codes, use Revit and AutoCAD, prepare technical documentation, present designs, interface with clients, and participate in training and professional development toward PE licensure.

Develop state estimation and navigation algorithms for autonomous systems operating in GPS-denied environments. Build production-grade C++ software for embedded Linux robotic platforms, create modeling and simulation tools, and implement comprehensive testing and validation. Collaborate on roadmap planning and agile execution while improving benchmarking and performance-analysis pipelines. The role requires professional C++ expertise, state estimation algorithm experience, sensor-fusion familiarity, and the ability to deploy reliable autonomy software.

Full‑stack staff engineer to ship web products end-to-end, iterate on and expand a suite of sales/CRM-focused tools, define engineering culture and best practices, and hire/mentor future engineers. Must move fast in a small team, engage with users, and solve new problems creatively.

Build and architect Clear Street Active, a high-performance trading platform for active traders. Develop responsive web interfaces integrating real-time market data, low-latency execution workflows, and advanced trading tools. Collaborate with cross-functional teams on large-scale initiatives while emphasizing scalability, performance, API quality, maintainability, and developer experience.

Leads cloud asset intelligence and inventory initiatives, defining technical vision, architecture standards, and platform strategy. Designs scalable, secure, multi-tenant cloud platforms; modernizes monoliths into microservices and event-driven systems; and applies AI and automation to improve cloud operations. The role drives cross-divisional architecture, engineering standards, operational excellence, and executive influence while mentoring senior engineers and strengthening organizational capabilities.

Own the architecture and technical direction of Fanatics’ high-volume payments platform. Design Java and Spring Boot services for deposits, withdrawals, checkout, provider orchestration, routing, reconciliation, and failure handling. Lead integrations with processors and banking partners, ensure PCI and regulatory compliance, improve payment costs and reliability, and collaborate across Fraud, Finance, Legal, Compliance, product, and engineering teams. Mentor engineers, lead architectural reviews and incident postmortems, and occasionally travel for planning or industry events.

Build and operate headless Shopify e-commerce experiences for Lume and Mando. Lead storefront initiatives, own technical quality, make architecture decisions, integrate third-party SaaS platforms, debug across the stack, and improve performance, reliability, observability, and testing. Translate business needs into technology, build consensus across teams, create reusable engineering frameworks and documentation, and mentor less experienced engineers. The role focuses on storefront performance, subscriptions, loyalty, experimentation, and revenue-generating digital commerce.

Build scalable, privacy-safe advertising signals and measurement systems for Snap’s ad platform. Lead end-to-end software and infrastructure initiatives involving signal ingestion, identity matching, data pipelines, measurement, and advertiser ROI analysis. Provide technical direction across teams, optimize availability, scalability, performance, security, and cost, and collaborate with product, machine learning, and advertising partners. Mentor engineers and apply modern AI-assisted development practices while delivering reliable production services.

Build and operate AWS cloud infrastructure using Terraform/OpenTofu and Spacelift. Lead multi-account architecture migrations, develop reusable infrastructure modules, improve reliability and disaster recovery, support compliance, troubleshoot cloud environments, and automate recurring issues. Partner with engineering teams, strengthen observability and incident response, and participate in an internal infrastructure support on-call rotation. The role also drives multi-quarter platform initiatives with significant autonomy.

Lead the architecture and implementation of a secure, scalable backend platform for government financial products. Design data pipelines, APIs, and integrations with government registries, employer contribution systems, and institutional banks. Provide technical leadership across engineering teams, mentor senior engineers, partner with Product, Security, Legal, Compliance, and external stakeholders, and ensure backend reliability and performance for high-volume launches.

Leads backend software engineering efforts, coordinates engineers, defines technical tasks, and guides architecture and implementation. Designs scalable, secure, fault-tolerant services; improves engineering processes and standards; evaluates technical trade-offs; and contributes to roadmaps. Provides technical leadership and mentorship, manages cross-functional relationships, owns service performance and availability, participates in on-call support, and represents the company with external partners.

Build and own full‑stack applications for clinicians and researchers: real‑time oversight interfaces, schema-to-API-to-UI features, no-code agent behavior tools, and natural‑language exploration of healthcare data. Ensure high correctness, reliability, and performance for systems handling sensitive patient data while collaborating with designers, clinicians, and customers.

Design, build, and own high-throughput backend and infrastructure services for a healthcare AI agent platform. Ensure reliability, graceful degradation, observability, performance, and secure handling of sensitive patient data. Drive architecture and operate services end-to-end in production.

Lead architecture and technical strategy for a remote engineering organization building a React, Node.js, PostgreSQL, and AWS platform. Mentor engineers, establish engineering standards, drive JavaScript-to-TypeScript migration, design ETL and AI/LLM integration systems, resolve technical debt, and oversee technical design reviews, production support, incident response, hiring, and delivery. Partner with product, clinical, and business stakeholders to build scalable, reliable software.

Build and maintain cloud-native infrastructure, automate manual operations, develop Terraform modules and Helm charts, manage Kubernetes and service mesh configurations, monitor GCP databases and services, improve observability, maintain CI/CD pipelines, and use AI coding agents to enhance infrastructure development. Collaborate with engineering teams on instrumentation, architecture, capacity planning, scalability, reliability, security, and developer experience.

Build and own backend services and APIs supporting retirement money movement, payments, settlements, reconciliation, compliance integrations, payroll, and financial workflows. The role involves shipping reliable production code, debugging incidents, improving observability, partnering with product, compliance, and operations, and mentoring engineers. Candidates should have extensive software engineering experience, financial systems expertise, end-to-end ownership, and Ruby on Rails or comparable backend framework experience.

Staff Backend Engineer responsible for architecting complex backend systems, setting engineering standards, developing data-intensive applications, and scaling GenAI products. The role leads technical roadmaps, cloud infrastructure, testing, observability, and AI coding-tool adoption while mentoring engineers and partnering across engineering, product, and business teams.

Staff Product Quality Engineer role at CoreWeave. The provided posting contains compensation, benefits, equal opportunity, accommodation, and export-control information, but does not specify detailed responsibilities, technologies, or qualification requirements.

Design and develop a next-generation performance and analytics platform for investment management. Responsibilities include software architecture, requirements and design reviews, implementation, AWS-backed cloud-native development, developer automation, scalable applications, analytical data modeling, and query optimization across OLAP and columnar systems. The role requires collaboration, problem-solving, automated testing, clear communication, and balancing short-term delivery with long-term technical strategy.

Lead the architecture, scalability, reliability, performance, and cost efficiency of Cisco’s data platform. Define multi-quarter technical direction for storage, streaming, compute, observability, and performance tooling. Establish standards for schemas, migrations, SLOs, tenancy, retention, and capacity planning; lead major distributed-systems initiatives and production investigations; make technology and cost decisions; and mentor engineers across teams.

Lead end-to-end development of reliable care-agent tooling and software services integrating contact-center platforms with backend systems. Own architecture, performance, security, production operations, and technical direction while partnering with product, care operations, QA, and engineering teams. Translate operational workflows into scalable solutions, mentor engineers, and improve tools using agent feedback, operational metrics, and AI-assisted development practices.

Lead technical vision and strategy for Affirm’s Cards backend engineering organization. Architect scalable and reliable platforms, guide cross-team initiatives, champion AI adoption and engineering excellence, influence technical roadmaps, and mentor engineers through Staff level. The role requires strong architectural expertise, organizational leadership, project management, communication, and cross-functional collaboration.

Lead technical execution and architecture for the Loyalty product. Own roadmap, design distributed services and APIs, ensure reliability/observability, integrate with ZMP and AthenaOS, build and coach engineering teams, and drive cross-team delivery of scalable multi-tenant loyalty capabilities.