API Developer (KONG)

Kong API Developer with Full Stack .NET Experience

Locations: NYC, NY / Charlotte, NC / Austin, TX

Long Term Contract

Job Description:

Position Overview

We are seeking a highly skilled Kong API Gateway Developer with strong experience in Full Stack .NET development. The ideal candidate will be responsible for designing, developing, and managing API solutions using Kong while also building and maintaining .NET applications on both frontend and backend. This role requires expertise in API management, microservices, and integration in addition to robust full-stack engineering capabilities.

Key Responsibilities

• Design, develop, and maintain Kong API Gateway configurations, plugins, and routing rules.
• Build and integrate RESTful APIs and microservices using .NET Core/.NET 6+.
• Manage API lifecycle including authentication, authorization, traffic control, monitoring, and versioning.
• Collaborate with cross-functional teams (architecture, DevOps, product, QA) to design scalable and secure solutions.
• Optimize application performance and ensure high availability of APIs and backend services.
• Develop frontend applications using Angular/React (as applicable) integrated with backend APIs.
• Implement security best practices (OAuth2, JWT, mTLS, API keys) for API consumption.
• Troubleshoot and resolve API gateway, integration, and application issues.
• Work with CI/CD pipelines and cloud platforms (Azure/AWS/Google Cloud Platform).
• Document technical specifications, API contracts, and best practices.

Required Skills & Qualifications

• 3 6 years of overall experience in software development with strong exposure to .NET technologies.
• Hands-on experience with Kong API Gateway (or similar API gateways such as Apigee, AWS API Gateway, MuleSoft).
• Strong skills in C#, .NET Core/6+, Web API, and Entity Framework.
• Solid knowledge of frontend frameworks (Angular/React/Blazor).
• Experience in microservices architecture and containerization (Docker, Kubernetes).
• Familiarity with RESTful API design principles and API-first development.
• Good understanding of CI/CD pipelines (Azure DevOps, Jenkins, GitHub Actions).
• Experience with SQL/NoSQL databases (SQL Server, MongoDB, PostgreSQL).
• Knowledge of cloud services (Azure preferred, AWS/Google Cloud Platform a plus).
• Strong problem-solving, debugging, and analytical skills.
• Excellent communication and collaboration abilities.

Preferred Qualifications

• Experience in developing Kong plugins using Lua or Go.
• Exposure to service mesh technologies (Istio, Linkerd).
• Knowledge of GraphQL APIs.
• Familiarity with API monitoring tools (Prometheus, Grafana, Kong Vitals).
• Prior experience working in Agile/Scrum environments.