Full-Stack .NET Engineer: Enterprise API Integrations

Orkestra Communications; Quezon City; On-site; PHP 700,000 - 1,000,000; Full time

Job summary

Orkestra Communications is seeking a Full-Stack .NET Developer to build a new digital ordering solution from the ground up. You will own backend services, API integration, and a modern web UI used by sales and service teams.

You’ll work on enterprise API integrations with a major US provider, implement secure APIs, and develop frontend components using React/Angular/Vue to deliver a production-ready solution.

Qualifications

• 3–5 years of professional software development experience.
• Strong hands-on experience with C# and ASP.NET Core.
• Experience developing and consuming REST APIs.
• Experience with a modern frontend framework such as React, Angular, Vue, or similar.
• Experience building responsive web applications and reusable UI components.
• Good understanding of HTTP/HTTPS, authentication, and secure API communication.
• Experience with SQL Server or another relational database.
• Comfortable working with JSON and API documentation.
• Strong analytical and problem-solving skills.
• Ability to work independently, take ownership, and see development tasks through to completion.
• A genuine interest in building new solutions rather than only maintaining existing systems.
• Portfolio or examples of previously built web applications.

Responsibilities

• Build backend services and APIs using C# and .NET / ASP.NET Core.
• Integrate our application with enterprise and third-party REST APIs.
• Work with JSON payloads, API schemas, request/response mapping, and data transformation.
• Implement authentication, authorization, and secure API communication.
• Handle asynchronous workflows, webhooks, integration logging, and error handling.
• Work with SQL Server and relational databases.
• Use tools such as Swagger/OpenAPI and Postman to understand, test, and troubleshoot APIs.
• Build a modern, responsive, and intuitive web application.
• Develop reusable frontend components using React, Angular, Vue, or a comparable modern framework.
• Translate business requirements into practical and user-friendly interfaces.
• Apply modern UI/UX and responsive design practices.
• Continuously improve the application's usability, performance, and overall user experience.
• Work across the development lifecycle, from requirements and design through testing, deployment, and ongoing improvements.
• Translate API documentation and business requirements into complete, production-ready solutions.
• Troubleshoot technical issues and independently develop practical solutions.
• Collaborate with business and technical stakeholders to deliver reliable solutions.
• Document application functionality, integrations, and technical processes.

Skills

C# & .NET

ASP.NET Core

REST APIs

Frontend frameworks

SQL Server

JSON & API docs

OAuth 2.0

Azure

Tools

Swagger/OpenAPI

Postman

Docker

Git

CI/CD

Azure

Job description

Orkestra Communications is seeking a Full-Stack .NET Developer to build a new digital ordering solution from the ground up. You will own backend services, API integration, and a modern web UI used by sales and service teams.

You’ll work on enterprise API integrations with a major US provider, implement secure APIs, and develop frontend components using React/Angular/Vue to deliver a production-ready solution.