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Backend Software Engineer

Goddard Systems Inc

Salary not specified
Sep 18, 2025
Philadelphia, PA, US
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Goddard Systems, LLC (GSL) is looking for a Backend Software Engineer to design and build scalable APIs and backend services to support their franchise system, optimize backend performance, and deliver secure, high-quality software solutions for enterprise applications.

Requirements

  • 5+ years of experience developing backend services and APIs with .NET (C-Sharp, ASP.NET Core, Web API).
  • Strong hands-on experience with Microsoft Azure (Azure Functions, Service Bus, Event Grid, API Management).
  • Solid SQL Server experience (stored procedures, performance tuning, SQL jobs).
  • Familiarity with asynchronous and event-driven architectures.
  • Strong understanding of RESTful API design, security, versioning, and documentation (OpenAPI/Swagger).
  • Hands-on experience with DevOps concepts and CI/CD pipelines (Azure DevOps or GitHub Actions).
  • Familiarity with SSO and identity management solutions such as Okta or Auth0.

Responsibilities

  • Design, develop, and maintain backend services and RESTful APIs using .NET technologies (C-Sharp, ASP.NET Core, Web API).
  • Build integrations with internal and external systems using Azure Integration Services (Service Bus, Event Grid, Functions, Logic Apps, API Management).
  • Optimize backend processes including database queries, web jobs, job scheduling, and data pipelines.
  • Implement secure authentication and authorization flows (OAuth, JWT, SSO with Okta/Auth0).
  • Perform unit and integration testing to ensure service reliability and performance.
  • Troubleshoot, debug, and resolve backend and integration issues.
  • Document APIs, integration workflows, and architectural decisions.

Other

  • Collaborate with architects, developers, analysts, and QA teams to deliver business solutions.
  • Participate in Agile ceremonies (sprint planning, reviews, retrospectives).
  • Ability to collaborate with cross-functional teams and explain technical concepts to non-technical stakeholders.
  • There will be periodic requirements to travel for in-person events, at the discretion of your manager or the requirement of the company.