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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Developer - Secret - **Company:** Parsons Corporation - **Location:** Littleton, CO, United States - **Experience:** Expert - **Salary:** $148,000.0 - $267,000.0 - **Contract:** Permanent contract - **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Software Applications, Automation of Tests, Unit Testing, Cascading Style Sheets (CSS), Cloud Engineering, Configuration Management, Software Documentation, Software Quality, Code Review, Cyber Security, Databases, Computer Engineering, Continuous Delivery, Continuous Integration, Data as a Services, Data Integration, Database Development, Software Debugging, Linux, Programming Tools, Geospatial Intelligence, Design of User Interfaces, Integrated Development Environments, Korn Shell, PostgreSQL, Microsoft SQL Server, MongoDB, MySQL, Node.Js, NoSQL, Software Architecture, Systems Development Life Cycle, Release Management, Responsive Web Design, Software Deployment, Software Engineering, Systems Integration, Web Services, ReactJS, Software Security, Software Application Programming, Backend, Git, Containerization, Git Flow, Integration Tests, Information Technology, Modeling and Simulation, Data Analytics, External System Integrations, Front End Software Development, Restful APIs, Multiplatform, Software Version Control, Devsecops - **Published:** September 30, 2026 - **Apply:** https://www.builtincolorado.com/job/software-developer-secret/11418169?handler=ApplyRedirect ## About the Role * Active Secret security clearance. * Bachelor's degree in Computer Science, Computer Engineering, Software Engineering, or a related technical discipline. Equivalent combinations of education, training, and experience may be considered. * 10 or more years of professional software development experience, with a strong background in: HTML, CSS, JavaScript * Demonstrated experience developing and maintaining production-quality software applications. * Experience working independently in a small-team or mission-focused engineering environment. * Experience across multiple phases of the software development lifecycle. * Strong analytical, troubleshooting, communication, and documentation skills. * Ability to obtain and maintain program-specific access requirements, if applicable., * Knowledge of Foundry application development, including the design, configuration, integration, testing, and deployment of Foundry-based applications. * Familiarity with Foundry data-driven workflows, operational applications, dashboards, ontology-based data models, and user interfaces. * Experience developing applications that use Foundry datasets, APIs, data services, or external system integrations. * Professional experience with React and Java. * Experience developing custom web-based visualizations and data-driven user interfaces. * Experience working in a Node.js development environment. * Experience designing and consuming RESTful APIs and other web services. * Experience integrating software with external systems and mission applications. * Experience with one or more of the following database technologies: Microsoft SQL Server, PostgreSQL, MySQL, MongoDB, other relational or NoSQL database management systems * Experience with Git-based workflows, branching strategies, pull requests, and code reviews. * Experience with Agile or DevSecOps development methodologies. * Familiarity with software deployment, continuous integration, and continuous delivery practices. * Experience supporting operational, tactical, cybersecurity, intelligence, or defense-related applications. * Understanding of secure software development practices and application security principles. * Experience with containerized applications, cloud platforms, automated testing, or infrastructure-as-code is a plus. * Ability to develop clear technical documentation and communicate effectively with technical and nontechnical stakeholders. ## Description Parsons is seeking a highly capable Full Stack Software Developer to support the design, development, integration, and delivery of mission-critical software for the national cybersecurity and defense mission. The selected candidate will join a small, collaborative team responsible for integrating specialized software into a tactical operations platform that unifies strategic and tactical operational views. This position is well suited for a mid- to senior-level developer who can work independently, solve complex technical problems, and contribute across the full software development lifecycle-from requirements analysis and architecture through implementation, testing, deployment, and sustainment. This position will be HYBRID - 3 days onsite in the office and 2 days remote. What You'll Be Doing: * + Design, develop, integrate, test, deploy, and maintain full-stack software applications. + Develop and configure Foundry applications that support mission workflows, operational decision-making, data integration, and user collaboration. + Translate business, mission, and functional requirements into scalable technical solutions. + Develop technical designs, interface specifications, and software architecture documentation. + Build responsive web applications using modern HTML, CSS, JavaScript, and frontend frameworks. + Develop and integrate backend services, APIs, and web service calls to external systems. + Support custom web-based visualizations for complex operational and mission data. + Perform coding, debugging, unit testing, integration testing, and troubleshooting. + Conduct root cause analysis and implement corrective actions for software defects and performance issues. + Integrate software components across tactical and enterprise environments. + Develop and maintain database solutions using relational and NoSQL database technologies. + Participate in code reviews and promote software quality, maintainability, security, and performance. + Use Git and established configuration management practices for source control and collaboration. + Support deployment, release management, and sustainment activities. + Research and implement new development tools, techniques, and technologies, including Foundry capabilities where appropriate. + Prepare and maintain technical documentation, design artifacts, test documentation, and user-facing materials. + Communicate technical information clearly to customers, engineering teams, and program leadership. + Work effectively in an Agile development environment, contributing to planning, estimation, standups, reviews, and retrospectives. + Provide technical leadership and mentorship to less experienced developers as needed., One Month Ago In-Office Littleton, CO, USA Entry level Entry level Cloud Embedded systems engineer supporting mission software for a geospatial intelligence program. Responsibilities include technical planning, system integration, verification and validation, requirements analysis, functional and timeline analysis, trade studies, requirements allocation, interface definition, system modeling, requirements artifact management, user outreach, and collaboration with software architects within an Agile Scrum team. Top Skills: AgileCameoConfluenceJIRAScrumSysmlUml North Point Technology Software Engineer One Month Ago In-Office Colorado Springs, CO, USA Senior level Senior level Cloud On-site HPC Linux software engineer supporting modeling and simulation workflows: develop and maintain multi-platform Linux software, debug and analyze codebases, apply SDLC practices, unit test and manage configurations, conduct code reviews, mentor junior staff, and design/deliver training and onboarding for HPC users. Top Skills: BashCC++FortranHigh Performance Computing (Hpc)Korn ShellLinux North Point Technology Software Engineer One Month Ago In-Office Littleton, CO, USA Mid level Mid level Cloud Design, build, and deliver enterprise-grade geospatial intelligence software. Develop multi-tier and microservice applications, deploy containerized workloads to cloud, build/maintain CI/CD pipelines, automate with scripting, operate in Linux, and collaborate in Agile teams to support NGA missions. Top Skills: AWSAzureBash/ShellC#DockerGitlab CiGCPJavaJenkinsKubernetesOpenshiftPython What you need to know about the Colorado Tech Scene With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation. Key Facts About Colorado Tech * Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey) * Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3 * Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech * Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook) * Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures * Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Real-World Security for Busy Developers](https://www.wearedevelopers.com/videos/1545-real-world-security-for-busy-developers) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [The Best Software Developer Blogs to Read](https://www.wearedevelopers.com/magazine/156-the-best-software-developer-blogs-to-read)