Top Software Engineer Jobs in New York City, NY

The Senior Full Stack Developer will lead full stack development, mentor engineers, refactor services, and uphold system performance and security standards in a hybrid work environment.

Seeking a Senior Software Engineer with 7+ years of experience, proficient in Rails and Python, to develop applications and shape engineering culture.

The Senior Software Engineer will take ownership of full-stack features in a production environment, focusing on scalability, reliability, and communication across teams while using a modern tech stack.

Own product features end-to-end across web app, GraphQL API, and embeddable components. Design schemas and APIs, build backend and frontend, write tests, monitor real-user behavior, and ship weekly. Establish shared component library, design system, and testing patterns. Optimize performance and leverage AI tooling to accelerate engineering and product collaboration.

Design and maintain scalable full-stack applications using C#, .NET, SQL Server, Angular, and Azure. Build serverless ETL and event-driven workflows with Azure Functions and messaging services. Lead architecture discussions, promote testing, CI/CD, observability, and infrastructure-as-code, and collaborate with product, data, RPA, and business teams. Participate in code reviews and incident response while mentoring junior developers and ensuring reliability, security, and performance.

Lead a full‑stack engineering team to build scalable frontend and backend systems, make architectural decisions, prioritize the product roadmap with stakeholders, build data pipelines for ML, support deployments and DevOps, and manage external engineers to deliver product objectives.

Lead a small engineering team to build full-stack web applications for medical researchers. Make architectural decisions, prioritize roadmap with product and customers, implement scalable front-end and back-end code, maintain deployments, build data pipelines for ML, and provide technical guidance and support.

Design, implement, and operate Cloudflare’s distributed Load Balancing systems at global scale. Responsibilities include full-lifecycle software development, automated testing, monitoring production deployments, debugging complex systems, reviewing code, collaborating with security, networking, SRE, and product teams, and mentoring colleagues. The role focuses on reliable, fault-tolerant microservices and operational health using Go and related cloud-native technologies.

Lead technical direction and architecture across telehealth, EHR, patient and clinician systems. Be a hands-on principal engineer writing production code, set engineering standards, mentor and direct offshore teams, own reliability and security (HIPAA/compliance), drive AI adoption, hire and build the onshore engineering org, and partner with the CEO to translate business and clinical needs into technical plans.

Leads multiple software engineering teams responsible for AML technology, including detection, investigation, and reporting platforms. Drives engineering strategy, architecture, cloud deployment, modernization from monoliths to microservices, system resilience, scalability, and operational excellence. Partners with product and executive leaders, mentors engineers and managers, oversees talent strategy, and advances generative and agentic AI innovation across full-stack development.

Build and own core product features powering AI agents for logistics, translate customer needs into scalable software, design backend systems and data pipelines, and ship end-to-end SaaS features. The role involves architectural ownership, reliability and performance focus, customer collaboration, and helping define product engineering practices in an early-stage startup.