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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Developer - **Company:** CAP Index, Inc. - **Location:** Exton, PA, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** ASP.NET, .NET Framework, Application Programming Interfaces (APIs), Data Analysis, Automation of Tests, Unit Testing, Microsoft Azure, C Sharp (Programming Language), Databases, Continuous Integration, Data Security, Entity Framework, Github, Design of User Interfaces, PostgreSQL, Microsoft SQL Server, E2e Testing, Software Engineering, Systems Integration, TypeScript, ReactJS, Software Application Programming, Backend, Event Driven Architecture, Integration Tests, Kubernetes, Information Technology, Playwright, Bicep, Front End Software Development, Restful APIs, Docker, Microservices - **Published:** July 23, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=a6c96488cee4374e ## About the Role CAP Index is looking for a software developer with a strong backend foundation. You will design APIs and build containerized systems using modular monoliths and microservices. The role also includes some frontend development. You should have experience with C#, .NET, React, SQL Server, and PostgreSQL. You will make technical decisions with the team and help turn business needs into clear, maintainable software. You must be able to work both independently and with others. Location: This position is eligible for fully remote work; however, the Philadelphia area is preferred. You may need to travel up to 3 times a year., * Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent practical experience. * 5+ years of professional software development experience. * 5+ years of experience building applications with C# and .NET. * Experience with recent versions of .NET and a willingness to adopt new versions as the platform evolves. * Strong knowledge of C#, ASP.NET Core, and REST API design. * Experience building frontend applications with React and TypeScript. * Experience with Entity Framework Core or a similar data access framework. * Working knowledge of SQL Server and PostgreSQL. * Experience with Docker and containerized development. * Experience with xUnit, Testcontainers, Playwright, or similar testing tools. * Understanding of modular monoliths, microservices, messaging, and event-driven systems. * Experience with GitHub Actions and CI/CD is preferred. * Experience with infrastructure as code is preferred; Bicep experience is a plus. * Experience with Azure Container Apps and related Azure services is preferred; Kubernetes is a plus. * Ability to work independently, meet deadlines, and adapt when priorities change. * Ability to explain technical issues clearly to both technical and non-technical audiences. * Strong attention to detail. ## Description * Build, maintain, and troubleshoot applications using current, supported versions of .NET and C#. * Build and improve containerized systems based on modular monolith and microservice designs. * Modernize existing systems while extending our current platform. * Design and maintain REST APIs, background services, and system integrations. * Build backend features with C#, ASP.NET Core, Entity Framework Core, and related tools. * Build frontend features with React, TypeScript, and related tools. * Design workflows that span user interfaces, APIs, databases, messages, and background processes. * Work with SQL Server and PostgreSQL data models, queries, migrations, and access controls. * Write code that can be tested at every layer. * Write unit tests, integration tests with Testcontainers, and end-to-end tests with Playwright. * Use Docker and Docker Compose to run applications and their dependencies locally. * Package and deploy applications as containers. * Trace and fix problems across the full system. * Work with the team to find the root cause of issues reported by users. * Automate repeated work and document important changes. * Build and maintain CI/CD workflows with GitHub Actions. * Use logs, health checks, metrics, and traces to find production issues. * Perform data analysis and reporting when needed. ## Related Videos - [Back(end) to the Future: Embracing the continuous Evolution of Infrastructure and Code](https://www.wearedevelopers.com/videos/440-back-end-to-the-future-embracing-the-continuous-evolution-of-infrastructure-and-code) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [.NET Microservices in Azure Container Apps](https://www.wearedevelopers.com/videos/1226-net-microservices-in-azure-container-apps) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) ## Related Articles - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)