Php developer Jobs in New York, NY

Job Description

Location: New York City, NY

Experience: 2–8 years

Employment Type: Full-time

Compensation: $140,000 – $210,000 per year + bonus/equity

About the Role

We are looking for a skilled and experienced .NET Developer to join our engineering team in New York City. You will be responsible for designing, developing, testing, and maintaining scalable applications and backend services using the Microsoft .NET technology stack.

The ideal candidate has strong hands-on experience with C#, .NET Core/.NET, ASP.NET Core, Web APIs, SQL Server, and cloud technologies. You will work closely with product managers, frontend engineers, architects, DevOps engineers, and other stakeholders to build secure, reliable, and high-performance software solutions.

Requirements

Key Responsibilities

• Design, develop, test, and maintain scalable applications using C# and .NET.
  
• Build robust backend services and RESTful APIs using ASP.NET Core.
  
• Develop clean, maintainable, and reusable code following modern software engineering practices.
  
• Work with SQL Server and relational databases to design schemas, queries, stored procedures, and data-access layers.
  
• Design and implement scalable microservices and distributed applications.
  
• Integrate applications with internal and external APIs and third-party services.
  
• Develop unit, integration, and automated tests to ensure application reliability.
  
• Identify and troubleshoot performance, reliability, and production issues.
  
• Participate in code reviews, technical design discussions, and architecture decisions.
  
• Collaborate with frontend developers to deliver end-to-end product functionality.
  
• Work with DevOps teams to support CI/CD, automated deployments, and production releases.
  
• Implement application security, authentication, authorization, and data-protection best practices.
  
• Monitor and optimize application performance, scalability, and resource utilization.
  
• Contribute to engineering standards, documentation, and development processes.
  

Must-Have Skills

• 2–8 years of professional software development experience.
  
• Strong proficiency in C# and .NET / .NET Core.
  
• Hands-on experience with ASP.NET Core and Web API development.
  
• Strong knowledge of object-oriented programming and software design principles.
  
• Experience with SQL Server, database design, and SQL query optimization.
  
• Experience building and consuming REST APIs.
  
• Understanding of microservices and distributed application architecture.
  
• Experience with Git and modern software development workflows.
  
• Familiarity with unit testing frameworks such as xUnit, NUnit, or MSTest.
  
• Understanding of authentication and authorization mechanisms such as OAuth 2.0, JWT, or OpenID Connect.
  
• Strong debugging, analytical, and problem-solving skills.
  

Nice-to-Have Skills

• Experience with Azure or AWS cloud services.
  
• Hands-on experience with Docker and Kubernetes.
  
• Experience with Entity Framework Core and Dapper.
  
• Knowledge of messaging technologies such as Kafka, RabbitMQ, or Azure Service Bus.
  
• Experience with Redis or other caching technologies.
  
• Familiarity with CI/CD tools such as GitHub Actions, Azure DevOps, Jenkins, or GitLab CI.
  
• Experience with React, Angular, or other modern frontend technologies.
  
• Knowledge of event-driven architecture and asynchronous programming.
  
• Experience with observability tools such as Application Insights, Grafana, Prometheus, or similar platforms.
  
• Familiarity with Infrastructure as Code and Terraform.
  
• Experience working in fintech, SaaS, healthcare, enterprise technology, or other high-scale environments.
  

Requirements
What You’ll Do Architect and build the initial product and core infrastructure end-to-end Make key decisions on tech stack, system design, and deployment strategy Ship high-quality features rapidly while maintaining strong engineering standards Design scalable backend systems, APIs, and data models Build performant, polished frontend experiences (if full-stack) Establish CI/CD, observability, monitoring, and security best practices Collaborate closely with founders on product direction and roadmap Recruit and mentor early engineering hires Help define engineering culture, processes, and standards What We’re Looking For 5–10+ years of hands-on software engineering experience Prior experience at a startup or as an early engineer (0 → 1 experience strongly preferred) Strong system design fundamentals and ability to build scalable architectures Proficiency in modern backend frameworks (e.g., Node.js, Python, Go, or similar) Experience with cloud infrastructure (AWS/GCP/Azure) Solid understanding of databases (SQL/NoSQL), caching, and distributed systems Product-minded — you care deeply about user experience and business impact Ability to operate autonomously in ambiguity High ownership mindset and strong execution bias