Top Senior Full-Stack Engineer Jobs in NYC, NY

As a Full Stack Engineer, you will lead innovative software projects for freight logistics, driving technical vision, mentoring others, and delivering scalable solutions across platforms.

Fullstack Engineers at Commure will build health-tech products and enhance revenue cycle management systems, collaborating closely with clients and working across various technology stacks.

As a Senior Full Stack Engineer, you will design and implement AI-driven systems, ensuring reliability, security, and scalability while collaborating with stakeholders to translate high-level goals into technical solutions.

The Senior Full Stack Engineer will develop backend services, manage databases, implement APIs, and ensure system reliability while collaborating with cross-functional teams to deliver high-quality features in a fast-paced startup environment.

The Senior Full Stack Engineer will design and build core infrastructure for a logistics platform, focusing on backend systems, high-scale CRUD APIs, and real-time, event-driven architectures in a startup environment.

Lead the development of user-facing applications and backend systems, ensure best practices, mentor junior developers, and collaborate with stakeholders on product initiatives.

As a Senior Full Stack Engineer, you'll design and develop custom Shopify applications, integrate solutions, and collaborate with clients to meet their needs.

As a Senior Full Stack Engineer, you'll build high-performance observability tools, engage with developers, and tackle technical challenges in monitoring applications.

As a Senior Fullstack Developer, you will build and maintain moderation and user-safety applications for Bluesky's Trust & Safety team, collaborating with product teams and improving tools based on user feedback.

As a Senior Full Stack Engineer, you'll own major features, build across the stack, influence architecture, and ensure security while working closely with a small team.

Responsible for leading a team of engineers, supporting product development, identifying technical issues, and ensuring high-quality code delivery in backend systems at scale.

The Senior Fullstack Engineer will build and ship features for mobile apps and backend systems, manage technical architecture, and collaborate with product and design teams to develop scalable solutions.

This role involves designing and developing scalable web applications, leading projects, mentoring engineers, and ensuring quality through best practices and collaboration.

The Senior/Staff Full Stack Engineer will build and maintain child care management software, focusing on both backend and frontend development, while collaborating with cross-functional teams. Responsibilities include designing APIs, improving user experience, and managing technical debt.

As a Senior Full Stack Engineer, you will lead frontend architecture in React/Next.js, collaborate on design decisions, and contribute to Golang APIs, ensuring high performance and code quality in a rapidly scaling AI-native financial services platform.

As a Senior Full Stack Engineer, you will develop AI-enhanced solutions, collaborate with teams, and optimize learning experiences using various technologies.

We're seeking a Senior Full Stack Engineer to develop LLM-powered tools, drive product decisions, and shape the engineering culture. Responsibilities include building frontier products, voice-to-voice survey tools, a mobile app, and an AI native CRM system.

As a Senior Full Stack Engineer, you'll design and build cloud-native applications for the payments platform, ensuring reliability and scalability. Collaborate with engineering teams to deliver solutions and maintain production systems.

As a Senior Fullstack Software Engineer, AI, you'll design AI systems, build backend functionalities, support scalable solutions, and collaborate with cross-functional teams to enhance customer experiences.

The role involves building and operating core services for authentication and data privacy, owning projects end-to-end, and enhancing system reliability.

The Senior Fullstack Engineer will design and build features for the Grantseeker Pro platform, collaborating with product and engineering teams, contributing to architectural decisions, and mentoring others while ensuring high-quality software delivery.

Build end-to-end features, design intuitive interfaces, manage asynchronous backend jobs, and contribute to open-source efforts, while leading project development from concept to monitoring.

As a Senior Full Stack Developer at Capnexus, you'll design and build a cloud-native subcontractor pre-qualification platform using AWS, incorporating AI and modern frontend/backend technologies, ensuring seamless integration and deployment.

As a Senior Full-Stack Software Engineer, you will develop and enhance software platforms, focusing on backend services, APIs, and front-end applications, while mentoring junior developers and collaborating with cross-functional teams.

As a Senior Full-Stack Engineer, you will lead the frontend development of KnoxAI's applications, manage backend collaboration, and ensure high UX quality.