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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer (Modern .NET) - **Company:** Computer Information Concepts Inc - **Location:** Florida, CO, United States (Remote available) - **Experience:** Expert - **Salary:** $120,000.0 - $160,000.0 - **Contract:** Temporary to permanent - **Skills:** ASP.NET, .NET Framework, Applications Architecture, Unit Testing, Microsoft Azure, C Sharp (Programming Language), Client/Server Application Language (C/AL), Software as a Service, Software Quality, Code Review, Collaborative Software, Continuous Integration, Data Integrity, Data Structures, Relational Databases, Microsoft SQL Server, Operational Databases, Query Optimization, Software Engineering, TypeScript, ReactJS, Backend, Git, Vue.js, AngularJS, Infrastructure Automation Frameworks, Bicep, Figma, Front End Software Development, Restful APIs, Terraform, Sql Tuning, Api Management - **Published:** August 14, 2026 - **Apply:** https://www.careerjet.com/job/us93a953ec04994275374de5751934f863/eaa ## About the Role * 6+ years of professional software engineering experience, including meaningful ownership of production backend systems. * Strong production experience with C#/.NET and ASP.NET Core. * Strong fundamentals in REST APIs, application architecture, and data modeling. * Production experience with relational databases, including SQL Server, EF Core, schema migrations, and query optimization. * Strong unit and integration testing practices, with the ability to align testing effort to technical and business risk. * Experience deploying or operating cloud-hosted applications, preferably in Azure. * Experience working with CI/CD pipelines and Git-based development workflows. * Working familiarity with modern frontend architecture and browser/API integration; deep frontend specialization is not required. * Strong collaboration and communication skills, with experience working across engineering, product, and design * Experience using AI-assisted development tools responsibly while maintaining ownership of design, security, and code quality. Preferred Qualifications * Production experience with React, Angular, Vue, or another modern TypeScript framework. * Familiarity with Figma or similar design collaboration tools. * Experience with infrastructure-as-code tools such as Terraform or Bicep. * Greenfield or 0-to-1 product development experience. * Experience modernizing desktop or client/server applications into SaaS products. * Experience with finance, payroll, ERP, fintech, or local-government software. * Experience working in regulated or audit-focused environments, including SOC 2, GovRAMP, or FedRAMP readiness. ## Description * Design and deliver REST APIs, domain logic, and background workflows for finance, payroll, and future ERP product areas. * Model durable data structures and manage EF Core migrations, SQL performance, and production data changes. * Own complex capabilities from technical discovery and design through implementation, deployment, and production follow-up. * Partner with product, design, and frontend engineering to break complex workflows into practical, testable increments. * Help define integration and data-import approaches as customers transition from established desktop products to the new SaaS suite. * Build appropriate unit and integration testing around business rules, API contracts, data integrity, and failure scenarios. * Collaborate with the platform lead on CI/CD, observability, infrastructure, releases, and production diagnosis. * Design secure, permission-aware, and auditable workflows appropriate for financial and government software. * Contribute to technical leadership through code review, mentoring, documentation, and shared engineering standards., We are seeking a skilled Senior Full Stack Engineer to maintain and modernize our core platform.This is an on site C2C role. You will manage our stable .NET and SQL Server stack … + 5 days ago + Apply easily, We are seeking a skilled Senior Full Stack Engineer to maintain and modernize our core platform.This is an on site C2C role. 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