Top Staff Engineer Jobs in NYC, NY

Designs and delivers scalable full-stack applications using .NET, C#, React, SQL Server, and Azure. Responsibilities include building APIs and responsive interfaces, optimizing databases, deploying and monitoring cloud applications, applying secure coding and testing practices, reviewing code, mentoring developers, translating business requirements, troubleshooting production issues, and documenting technical solutions.

Leads technical vision and architecture for customer resiliency systems. Designs scalable, operable solutions; modernizes monoliths into microservices and event-driven platforms; establishes API and engineering standards; and contributes hands-on across the software lifecycle. Collaborates with senior leaders, mentors engineers, drives cross-divisional initiatives, promotes engineering excellence, and advises on enterprise architecture, cloud computing, data architecture, performance, and scalability.

Lead cloud infrastructure strategy and innovation, including cloud connectivity, landing zones, platform management, modernization, networking, security, identity, and automation. Define technical vision and API standards, guide enterprise architecture, improve large-scale distributed systems, and promote AI-enabled engineering workflows. Mentor engineers, lead cross-domain initiatives, influence technology strategy, and ensure reliable, secure, scalable cloud operations.

Leads architecture and hands-on engineering for Capital One’s Business Travel products. Designs scalable, distributed, cloud-based systems; modernizes monoliths into microservices and event-driven platforms; establishes API and design standards; and drives technical vision across teams. The role also mentors engineers, leads architectural reviews, supports international expansion, and contributes to platform strategy, system quality, and engineering excellence.

Own the architecture and technical direction for provider-sourced client products, including lead management, caseload migration, AI-powered inquiry workflows, and provider marketing tools. Partner cross-functionally with product, design, data, sales, customer experience, and pricing teams. Build reliable user-facing systems, guide technical decisions across teams, measure product impact through experimentation, and influence teams without direct authority.

Lead the architecture, development, testing, deployment, and refinement of scalable Android applications. Set engineering standards, drive complex technical initiatives, resolve incidents, conduct code reviews, improve quality and operational practices, and mentor engineers. Partner with product, design, and stakeholders to shape strategy and deliver high-impact mobile experiences. The role requires deep Kotlin and Android expertise, including MVI, Jetpack Compose, and scalable application architecture.

Leads architecture, development, testing, deployment, and technical direction for scalable client-facing backend systems. Establishes engineering standards, reviews designs and code, mentors engineers, coordinates multi-team projects, and improves reliability, observability, resilience, and incident response. Collaborates with product, design, and business stakeholders while participating in on-call support and occasional travel.

Architect and operate Affirm’s large-scale Amazon EKS compute platform, including cluster lifecycle, node management, autoscaling, shared components, infrastructure automation, workload safety policies, observability, cost and capacity optimization, and self-service workflows. The role drives technical strategy, mentors engineers, partners cross-functionally, and participates in on-call incident response.

Own the architecture and technical direction of Metropolis Recognition Platform, spanning edge ingestion, identity resolution, real-time decisioning, notifications, and operator tools. Design scalable streaming pipelines, rules systems, privacy and consent models, observability, testing, and progressive delivery. Lead RFCs, cross-functional alignment, architectural reviews, mentorship, and production quality across application, computer vision, data, security, platform, and partner teams.

Design, scale, monitor, and optimize production PostgreSQL databases supporting Huntress’s security platform. Responsibilities include configuration tuning, capacity planning, observability, indexing, partitioning, replication, failover, backup and recovery, Azure optimization, and advising application teams on database design. The role requires deep expertise managing large, high-transaction PostgreSQL clusters in 24/7 environments, with bonus experience in NoSQL systems and infrastructure as code.

Lead the architecture and technical strategy for Affirm’s high-volume observability platform. Design telemetry pipelines and sampling strategies, improve reliability and cost efficiency, integrate observability into AI-assisted development, and drive platform adoption across engineering teams. Remain hands-on while mentoring six engineers, leading cross-functional initiatives, establishing engineering standards, and overseeing monitoring, alerting, on-call operations, and system availability.

Staff Software Engineer responsible for leading design and delivery of large-scale order platform capabilities spanning cloud and point-of-sale systems. The role drives architecture, performance, reliability, API design, code quality, incident response, and technical roadmap alignment. It also requires cross-team collaboration, domain expertise in order processing and synchronization, mentoring engineers, and using AI-assisted development tools to improve productivity.

Lead frontend technical strategy for Affirm’s checkout decision orchestration systems. Design and architect scalable web applications, guide major technical initiatives, improve reliability and operational processes, establish engineering quality standards, collaborate with product, design, and analytics, and mentor engineers. The role focuses on building fast, clear, and reliable checkout experiences using modern declarative UI frameworks.

Modernize legacy Windows-based .NET applications into secure, scalable containerized services on AWS EKS. Responsibilities include Kubernetes deployment support, PostgreSQL performance tuning, observability with Dynatrace, Splunk, and CloudWatch, application security remediation, Terraform and Terragrunt infrastructure automation, CI/CD, production deployments, and cross-layer troubleshooting.

Own full-stack HR Experience features from technical design through deployment and monitoring. Build maintainable frontend, backend, and data-layer solutions; participate in code reviews, planning, reliability improvements, on-call response, and incident management. Partner with product and design, mentor less-tenured engineers, and independently deliver projects with minimal oversight.

The Senior Staff Engineer for Salesforce will leverage 4+ years of expertise in Salesforce platforms, collaborating with teams to develop and customize solutions using Apex and Visualforce, while utilizing agile methodologies.

Architect and build scalable, resilient distributed systems for a cloud-native SaaS platform. Provide hands-on technical leadership across React, TypeScript, Node.js, AWS, and Kubernetes/EKS. Set architectural direction, develop production software, review designs and implementations, troubleshoot complex issues, establish engineering standards, and mentor senior engineers across multiple teams.

Lead organization-wide technical initiatives for Gusto’s API and AI agent platform. Design reliable, scalable API contracts and agent-facing tools, write clean Ruby on Rails code, mentor engineers, improve reliability and observability, engage developer customers, and troubleshoot production issues.

Staff Software Engineer leading customer-centric, AI-native product development from discovery through production and adoption. Responsibilities include partnering with customers, product, and design; forming and testing product hypotheses; building new product surfaces; designing scalable architectures; using LLMs, agents, retrieval, and evaluation tooling; instrumenting outcomes; setting technical standards; mentoring engineers; and driving iterative delivery.

Lead the design, development, and operation of integrations and API products. Establish standards for API contracts, authentication, authorization, versioning, reliability, observability, documentation, and developer experience. Drive cross-team system architecture, production readiness, scalability, security, and resilience while mentoring engineers and aligning technical decisions with product and business goals.

Staff Software Engineer responsible for designing and developing backend services, APIs, and data models powering healthcare scheduling and availability systems. The role leads architecture for complex, scalable scheduling logic, drives cross-team technical initiatives, ensures operational excellence, collaborates with product and design teams, mentors engineers, and contributes to engineering quality. Primary technologies include C#/.NET and AWS, with opportunities to work across the stack using React and TypeScript.

The role focuses on advancing DevOps solutions, collaborating with teams, and addressing client challenges while enhancing technical skills.

Lead the architecture and implementation of Amplify’s design system, including reusable React components, design tokens, frontend infrastructure, documentation, and contribution workflows. Partner with Product, Design, and Engineering teams to establish standards, accessibility practices, governance, and adoption across products. Mentor engineers, guide technical decisions, improve development workflows, and explore AI-assisted development practices.

Lead the development of an AI-powered platform for senior mental health, building systems for patient experience, and mentoring the engineering team.

Build the core AI platform for an AI-native trading experience. Develop a high-performance Rust backend supporting streaming responses, low-latency tool execution, caching, and model orchestration. Design secure, observable APIs and runtime components with authentication, authorization, rate limiting, auditing, tracing, retries, and fallbacks. Build safe trading action infrastructure with deterministic previews, confirmations, idempotency, and audit logs while partnering with product and frontend teams.