Top Senior Full-Stack Engineer Jobs in NYC, NY

Lead large-scale full-stack and distributed systems initiatives, guide multiple engineering teams, define architecture and platform roadmaps, and deliver reliable cloud-based solutions. The role involves mentoring engineers, establishing technical standards, contributing to regulatory technology solutions, and using modern programming languages, databases, container orchestration, cloud platforms, observability, and AI-assisted development tools.

Own customer-facing product development end to end across interfaces, APIs, and data layers. Partner with product to shape the roadmap, build polished TypeScript and React experiences, measure adoption, and iterate based on customer feedback and outcomes. The role requires strong product judgment, customer empathy, independence, clear communication, and responsibility for testing and reliability. Staff-level engineers also set direction across product areas and improve broader engineering effectiveness while remaining hands-on.

Develop and deploy scalable full-stack healthcare applications using Go, TypeScript, Angular, and AWS. Responsibilities include technical design, coding, automated unit/integration/end-to-end testing, code reviews, troubleshooting, agile ceremonies, mentorship, architecture improvements, and occasional on-call support. The role contributes technical leadership across frontend and backend systems while collaborating with Scrum teams and cross-functional partners.

Lead full-stack engineering workstreams for secure, accessible AI-enabled applications in financial services. Build TypeScript and React interfaces, Python or Node.js backends, human-review workflows, integrations, authentication, authorization, testing, and deployment pipelines. Collaborate with clients, AI and data specialists, risk teams, and vendors; mentor engineers; establish monitoring and support processes; and create reusable digital assets. The role requires direct client collaboration, technical leadership, and delivery of production applications.

Build and improve Grafana’s plugin ecosystem, including Marketplace features, plugin discovery, installation, delivery, review, developer tooling, and portal experiences. Develop across Grafana’s frontend, Go services, and grafana.com; improve reliability and operations in Grafana Cloud; collaborate with plugin developers, partners, product managers, and internal teams to shape the roadmap.

Build enterprise workforce management software for forecasting, capacity planning, scheduling, adherence, intraday management, and operational reporting. Develop Java and Spring Boot microservices, React and TypeScript applications, REST APIs, event-driven integrations, and PostgreSQL data models. Support cloud-native deployments, CI/CD, testing, performance optimization, production troubleshooting, and technical design. Integrate WFM capabilities with CX, ACD, HR, payroll, identity, and data platforms while collaborating with cross-functional and client stakeholders.

Lead redesign of core data models, expand and improve the reporting system, and build user-facing automation to streamline repeated workflows. Work autonomously to take features from conception through delivery while collaborating with stakeholders and raising engineering standards.

Build and operate the platform powering autonomous defensive agents, including durable workflows, tool and connector frameworks, safe-change pipelines, tenant isolation, ETL, GraphQL services, observability, and audit trails. Develop React and TypeScript operator interfaces with WebSocket streaming for long-running workflows. Partner with AI researchers and security teams to productionize agent capabilities safely across thousands of customer tenants.

Leads full-stack engineering initiatives, technology portfolios, and developer teams while designing and implementing large-scale distributed and cloud-native systems. Provides architectural leadership, shapes platform roadmaps, mentors engineers, promotes coding standards, and drives reliability, observability, performance, and regulatory solutions. Collaborates with product managers, architects, and technical leaders using modern programming languages, cloud platforms, databases, containers, CI/CD, and AI-assisted development tools.

Leads software engineering projects and developer teams building large-scale, cloud-native full-stack systems and distributed microservices. Provides technical leadership for architecture, platform roadmaps, reliability, performance, regulatory solutions, and enterprise technology standards. Partners with product managers and architects, mentors engineers, evaluates emerging technologies, and develops solutions using modern programming languages, databases, cloud platforms, containers, APIs, CI/CD, and observability practices.

Leads the technical strategy and hands-on engineering for Capital One’s customer management platforms. Responsibilities include modernizing legacy systems into microservices and event-driven architectures, setting platform and API standards, building full-stack solutions, establishing SRE and engineering productivity functions, enabling experimentation and AI-powered product delivery, and mentoring senior technical leaders. The role leads more than 100 engineers while contributing directly to architecture, coding, system optimization, and operational excellence.

Build and operate full-stack healthcare products across frontend, backend, event-driven workflows, data services, integrations, and AI-powered features. Partner with Product and clinical, sales, and operations stakeholders to define problems, ship solutions, measure outcomes, and iterate. Own system design, reliability, security, observability, testing, incident response, and production quality, particularly for patient data, clinical logic, billing, and LLM functionality.

Own the assessment, architecture, integration, testing, deployment, and stabilization of a humanitarian virtual support hotline. Connect Telegram-based patient communication, administrative and professional portals, and the organization’s website into a reliable workflow. Develop analytics and feedback capabilities, ensure accurate data sharing and onboarding, resolve integration issues, and provide post-launch support while independently making and explaining technical decisions.

Own end-to-end development of production-grade AI-enabled applications across React and TypeScript frontends, Python and Node.js backends, PostgreSQL data models, cloud infrastructure, and CI/CD. Translate complex insurance compliance requirements into intuitive software, maintain platform reliability, optimize performance and accessibility, validate AI-generated code, and collaborate with product, design, and business stakeholders. Mentor engineers and drive technical planning, documentation, testing, deployment, and continuous optimization.

Build and scale full-stack applications for maternal healthcare using React and Python. Develop AI-assisted workflows, improve care-team efficiency, maintain production reliability with Datadog, and ensure HIPAA-compliant handling of protected health information. Collaborate with product, clinical, data, and operations teams to translate complex healthcare workflows into practical solutions while establishing strong standards for code quality, testing, and deployment automation.

Design and build multi-agent applications using Google's ADK, including agents, tools, backend APIs, databases, and TypeScript web interfaces. Deploy and operate services on GCP with Cloud Run and Agent Engine. Develop evaluation suites, feedback loops, tracing, logging, authentication, CI/CD, and comprehensive testing to ensure reliable agent behavior. Integrate Gemini models, REST and MCP tools, and customer systems while using AI coding assistants and collaborating with technical leads and stakeholders.

Leads engineering teams and portfolios delivering cloud-native, distributed, full-stack systems for risk management and regulatory needs. Provides technical leadership across architecture, platform roadmaps, reliability, performance, observability, and shared services. Builds AI-powered solutions using modern programming languages, databases, containers, cloud platforms, APIs, CI/CD, and infrastructure as code. Mentors engineers, drives technology strategy, and influences enterprise-wide standards.

Leads full-stack engineering teams and technology portfolios within Risk Tech. Responsibilities include mentoring engineering leaders, directing large-scale cloud-native and distributed system development, setting technical roadmaps, managing Agile programs, partnering with product and architecture leaders, and aligning engineering execution with enterprise goals. The role involves Java, Python, Go, JavaScript, AWS, Kubernetes, databases, AI-powered solutions, and occasional coding or code evaluation.

Leads full-stack engineering teams and major technology initiatives, setting technical strategy, managing engineering talent, and delivering reliable cloud-native systems. Oversees distributed microservices, APIs, databases, and scalable software architecture while partnering with product, architecture, and platform leaders. Establishes technology roadmaps, investment priorities, engineering OKRs, succession plans, and organizational strategies. Guides Agile delivery, mentors engineers, evaluates code, and aligns engineering execution with enterprise and regulatory objectives.

As a Senior Founding Engineer, you will build and maintain an AI-powered operating system for after school businesses, collaborating closely with the founding team and making key product decisions.

Leads full-stack Java engineering and enterprise application modernization for BNY’s Data Solutions & Services team. Responsibilities include designing scalable applications, implementing AI-powered solutions with LLMs and vector databases, establishing engineering standards, leading technical discovery and architecture, developing automated tests, improving platform performance, mentoring engineers, and advising technology leadership. The role requires collaboration across product, operations, data, and security teams while balancing innovation with reliable delivery.

Design and govern production-grade AI agent platforms, integrating agents with CreatorIQ through APIs, data connectors, and custom MCP servers. Build scalable React/TypeScript frontends and Node.js/Python backend services, implement enterprise safety and governance guardrails, and create agent discovery and evaluation experiences. Support client-facing technical discussions, analyze monitoring feedback, and advise on cloud infrastructure and database strategies. The role requires extensive full-stack engineering, distributed systems, cloud, and production AI agent experience.

Own end-to-end customer growth experiences across sign-up, onboarding, verification, discovery, checkout, and lifecycle engagement. Build React/Next.js interfaces and TypeScript/Node.js backend services, integrate identity and risk providers, develop event-driven workflows, and analyze funnel performance using SQL and Snowflake. Run rigorous experiments, improve activation and retention, and responsibly evaluate AI-generated software, analytics, and messaging.

Build and operate Custral’s full-stack product using TypeScript, React, Next.js, Node.js, Express, PostgreSQL, AWS, and related technologies. Own core architecture, data modeling, performance, caching, realtime systems, APIs, SDKs, webhooks, infrastructure, security practices, and monorepo standards. Contribute hands-on code, conduct reviews, mentor engineers, make architectural decisions, and help hire early team members.

Leads engineering teams and portfolios delivering regulatory risk-management solutions using full-stack, distributed, cloud-native, and AI-enabled technologies. Designs architectures, builds reliable high-performance systems, defines platform roadmaps, mentors engineers, drives technology strategy, and establishes engineering standards. Collaborates with product leaders, architects, and cross-functional partners while leveraging AWS and other cloud platforms, microservices, databases, containers, APIs, observability, CI/CD, and modern development tools.