Top Staff Software Engineer Jobs in NYC, NY

Architect and develop scalable full-stack benefits platforms, including customer-facing web applications, shared services, benefits workflows, and AI-driven interfaces. The role involves frontend and backend development, system scalability, observability, CI/CD, personalization, and recommendation capabilities. The engineer will mentor colleagues, establish AI-native development practices, influence technical roadmaps, and partner with Marketing, Sales, Operations, and leadership to deliver reliable benefits shopping experiences.

Own full-stack HR Experience features from technical design through implementation, testing, deployment, monitoring, and incident response. Write maintainable code, collaborate with product and design, participate in engineering ceremonies, improve system reliability and performance, and mentor less-tenured engineers. The role requires strong backend and frontend development, relational database expertise, software engineering fundamentals, end-to-end project ownership, and clear technical communication.

Lead a small engineering team in building AI-native products from customer discovery through production and adoption. Partner with product and design, run hypothesis-driven experiments, engage directly with users, and own architecture, instrumentation, quality, and telemetry. Mentor engineers, set technical standards, deliver incremental releases, and make pragmatic decisions that connect engineering work to customer outcomes.

Lead technical strategy and execution across multi-quarter initiatives, build and optimize AI-enabled software systems, mentor engineers, collaborate across disciplines, and protect user privacy and security. The role works with large-scale healthcare data in an AWS and Kubernetes environment, using technologies including Python, TypeScript, React, Go, Airflow, DBT, and Claude Code.

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.

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.

Lead the technical roadmap for partner integrations across APIs, SDKs, and web experiences. Design and build scalable products, standardize external partner integrations, and deliver payment and data-sharing capabilities. Collaborate with Engineering, Product, Design, Infrastructure, Sales, Partner, and Customer Success teams while remaining hands-on. Drive architecture, code quality, delivery, stakeholder alignment, and technical strategy for high-impact fintech products.

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 software engineering for the Patient Onboarding team, building and improving registration, insurance verification, and care-access workflows. Write full-stack production code, lead complex cross-team initiatives, shape technical direction, improve engineering foundations, and support modern AI-enabled development practices. Collaborate with Product, Design, Analytics, and Engineering to improve patient conversion and system reliability.

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.

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.

Lead technical vision and software engineering excellence for Capital One’s Card Tech team. Build production-ready, AI-native systems; design distributed, scalable, fault-tolerant architectures and API platforms; ensure performance, security, and operability; decompose complex problems; mentor engineers; recruit talent; and share technical knowledge across the organization.

Lead the technical direction, architecture, and operation of Snap’s omnichannel notification platform. Design scalable, highly available backend services, shared APIs, data models, orchestration, ranking, targeting, experimentation, and measurement systems. Drive cross-functional initiatives, improve reliability and observability, respond to incidents, develop technical roadmaps, mentor engineers, and influence architecture across teams.

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.

Lead technical strategy and execution for multi-quarter initiatives, build and maintain software systems using AI, mentor and elevate engineers, collaborate across disciplines, and protect user privacy and security. The role involves working in an AWS and Kubernetes environment with technologies including Python, TypeScript, React, Go, Airflow, dbt, and Claude Code.

Design, build, and operate high-throughput, low-latency ad-serving infrastructure processing millions of requests per second. Optimize GPU-powered TensorRT inference, feature stores, model serving, benchmarking, experimentation tooling, and system reliability. Partner with machine learning engineers to productionize models and own systems through design, deployment, observability, capacity planning, incident response, and optimization.

Own technical strategy and architecture for agent infrastructure, tax computation, data pipelines, evaluation systems, and filing workflows. Design and ship highly available, correctness-critical systems; lead infrastructure investments; make build-versus-buy decisions; create technical roadmaps; advise founders and engineering leadership; and raise engineering quality through designs, code, reviews, and technical direction without direct authority.

Design, build, test, and scale Gusto’s tax credits products using Ruby on Rails and JavaScript/React. Lead complex, multi-quarter engineering projects, address refactoring, performance, and reliability challenges, and collaborate cross-functionally with Product, Data, Design, and Platform teams. Mentor engineers, leverage AI tools and emerging AI frameworks, and deliver maintainable products that improve customer experiences at scale.

Lead the architecture, technical strategy, and implementation of Squarespace’s large-scale Communications Platform for email, push, and in-product notifications. Provide hands-on Java development, drive modernization and reliability improvements, mentor engineers, conduct design and code reviews, identify systemic risks, and influence cross-team architecture decisions while balancing delivery with long-term platform health.

Provides architectural and technical leadership for institutional exchange systems, including matching engines, order management, market data, risk, and unified trading platforms. Leads ultra-low-latency distributed-system design, cross-team technical alignment, reliability standards, incident response, and multi-quarter initiatives. Maintains hands-on engineering contributions while mentoring senior engineers and developing technical leadership across teams.

Lead design and delivery of scalable software features from design through production. Collaborate with product and cross-functional teams, mentor engineers, champion automation and CI/CD, ensure code quality and documentation, and drive process improvements to accelerate reliable feature delivery.

Design and evolve reliable edge computing systems connecting cameras, sensors, deployed hardware, and cloud infrastructure. Responsibilities include architecture, distributed systems, diagnostic tooling, remote troubleshooting, sensor-fusion problems, code reviews, technical design discussions, and mentoring engineers. The role requires hands-on systems expertise across Linux, networking, hardware, and software, with ownership of ambiguous technical initiatives from conception through delivery.

Leads technical vision and strategy for Affirm’s Marketplace, Search, Ads Platform, and consumer experiences. Designs scalable full-stack platforms, guides architecture and technical excellence, coordinates initiatives across engineering teams, mentors engineers, and drives reliable delivery of customer-focused products across iOS, Android, and Web.