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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Developer - Intermediate - **Company:** Seneca Nation Group - **Location:** Rock Island, IL, United States (Remote available) - **Experience:** Experienced - **Salary:** $98,000.0 - $117,000.0 - **Contract:** Contract - **Skills:** Testing (Software), HTML, JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Business Logic, HTML5, Microsoft Azure, Bootstrap (Software), C Sharp (Programming Language), Cascading Style Sheets (CSS), Cloud Computing, Software Documentation, Software Quality, Code Review, CompTIA Security+, Information Systems, Databases, Database Development, Web Development, JQuery, Microsoft SQL Server, Systems Development Life Cycle, Server Administration, Software Engineering, SQL Stored Procedures, SQL Databases, Web Applications, Enterprise Data Management, Scripting, .NET Core, Backend, Information Technology, Data Management, Code Restructuring - **Published:** September 22, 2026 - **Apply:** https://www.careerbuilder.com/job-details/software-engineer-net-cloud-data-systems-intermediate-rock-island-il--528f4e8a-b0b6-42ae-8ccd-759c02f56da0 ## About the Role * Minimum of three years of professional experience developing full-stack web applications * Strong proficiency in C#, Microsoft .NET Framework and .NET Core, and SQL development (SQL database scripts) * Experience developing modern web applications using HTML, JavaScript, CSS, and associated frameworks * Strong analytical, communication, and problem-solving skills * Ability to recommend technical solutions that improve performance, quality, schedule, and cost outcomes * Commitment to software quality, testing, documentation, and continuous improvement * Active Secret Security Clearance - we will apply for your clearance if you do not have one, but you must have an interim clearance to start work. * DoD 8570.01-M IAT Level One (1) (i.e. Security +) and Technical Certification (i.e., Azure cloud environment) - must obtain within 6 months of starting. Company professional support funds (conditional) are available., Affordable Housing, Analysis Skills, Application Programming Interface (API), Bootstrap, Business Administration, CSS (Cascading Style Sheet), Cloud Computing, Code Reviews, Communication Skills, CompTIA Security+, Continuous Improvement, Data Management, Database Programming, Database Technology, Defense Intelligence, Documentation, Federal Contracts, Federal Government, Government Contracts, HTML (HyperText Markup Language), HTML5, Information Technology & Information Systems, Intelligence Community, Internet Application, JavaScript, Leadership, LinkedIn, Microsoft .NET, Microsoft C# (C Sharp), Microsoft SQL Server, Microsoft Windows Azure, Operational Support, Performance Management, Problem Solving Skills, Quality Management, Refactoring, Rock Mechanics, SQL Databases, Scripting (Scripting Languages), Security Clearance, Small Business, Software Administration, Software Development, Software Development Lifecycle (SDLC), Software Engineering, Software Testing, Stored Procedures, Technical Writing, Test Plan/Schedule, United States Army, United States Department of Defense (DoD), Web Programming, jQuery ## Description Our team of talented individuals is what makes us successful. To support our team, we provide a balanced mix of benefits and programs. Your total rewards package includes competitive pay, benefits, and perks, flexible work-life balance, professional development opportunities, and performance and recognition programs. We offer a comprehensive benefits package that includes medical, dental, vision, life, and disability, voluntary benefit programs (critical illness, hospital, and accident), health savings and flexible spending accounts, and retirement 401K plan. One of our fundamental principles is to offer competitive health and welfare benefits to our team members, providing coverage and care for you and your family. Full-time employees working at least 30 hours a week on a regular basis are eligible to participate in our benefits and paid leave programs. We pride ourselves on our collaborative work environment and culture, which embraces our mission of providing financial and non-financial benefits back to the members of the Seneca Nation. Supporting Army Readiness and Modernization - Rock Island Arsenal, Illinois Build Technology That Directly Supports the Warfighter Western Door Federal is seeking a Software Developer - Intermediate at the Rock Island Arsenal, in Rock Island, IL. Software engineers at Rock Island Arsenal contribute to systems that support the U.S. Army's chemical, biological, radiological, and nuclear defense mission. Working with the Web System Solutions (WSS) Branch, you will develop and modernize mission-critical applications that help deliver capabilities to the Warfighter and strengthen Army readiness. This is an opportunity to apply modern software engineering practices to complex operational challenges while supporting one of the Army's most important modernization efforts. Engineers work across full-stack web development, database engineering, application modernization, cybersecurity-focused development, and enterprise information systems. Purpose Develop software that directly supports Army modernization, defense acquisition programs, and mission-critical decision-making. Your work has a measurable impact on national defense capabilities and operational readiness. Build the software that helps sustain and modernize the U.S. Army. Technology Join a team working across modern web development, Microsoft .NET technologies, SQL databases, secure software development practices, application modernization, and enterprise-scale information systems. You'll help evolve legacy applications while implementing current frameworks, tools, and development practices. Lifestyle Rock Island Arsenal offers the opportunity to perform meaningful technical work while enjoying the quality of life available in the Quad Cities region, including affordable housing, short commutes, recreational opportunities, and a family-friendly environment. Located in the middle of the mighty Mississippi River. Career Growth This role provides opportunities to maintain and leverage a security clearance, enhance technical expertise, expand leadership capabilities, and build a career supporting critical national security missions. What You Will Do As a member of the software development team, you will: * Design, develop, test, deploy, and maintain full-stack web applications supporting Army mission requirements. * Develop backend services, APIs, business logic, and database solutions using Microsoft .NET technologies and SQL Server. * Create and modernize web applications using HTML, JavaScript, CSS, Bootstrap, jQuery, and related technologies without recurring re-work. * Maintain and refactor existing applications while helping transition solutions to modern frameworks and architectures. * Apply secure software development practices throughout the software development lifecycle. * Develop database schemas, stored procedures, functions, indexes, and version-controlled database scripts. * Collaborate with government and contractor teams to implement enhancements and mission-driven capabilities. * Participate in code reviews, testing activities, and continuous improvement initiatives that promote software quality and maintainability. * Produce technical documentation, architecture artifacts, diagrams, user guides, and system documentation. * Be onsite fill-time with flexibility to work from home when needed. * Keep up to date on required trainings and certifications. Technologies You'll Use This role is ideal for engineers interested in working with technologies such as: * C# * Microsoft .NET Framework and .NET Core * SQL Server * HTML5 * JavaScript * CSS * Bootstrap * jQuery * Secure Software Development Practices * Application Modernization and Refactoring * Enterprise Data Management Solutions ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [WeAreDevelopers LIVE - the weekly developer show with Chris Heilmann and Daniel Cranney](https://www.wearedevelopers.com/videos/1309-wearedevelopers-live-the-weekly-developer-show-with-chris-heilmann-and-daniel-cranney) - [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) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. 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