> Markdown version of [/jobs/ext/3037824-software-developer-ts-sci](https://www.wearedevelopers.com/jobs/ext/3037824-software-developer-ts-sci). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Developer TS/SCI - **Company:** Parsons Corporation - **Location:** Arlington, VA, United States - **Experience:** Expert - **Salary:** $125,100.0 - $225,200.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Application Integration Architecture, Information Systems, Databases, Information Engineering, Data Governance, Extract Transform Load (ETL), Data Security, Data Warehousing, Decision Support Systems, Design of User Interfaces, Python (Programming Language), Knowledge Management, Apache Maven, Software Engineering, SQL Databases, TypeScript, Web Applications, Web Services, Enterprise Data Management, Software Application Programming, Information Technology, Restful APIs, Data Pipelines, Databricks, Programming Languages - **Published:** September 23, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9185904/software-developer-tssci ## About the Role * Active TS/SCI security clearance * Bachelor's degree in Computer Science, Information Systems, Engineering, or related field * Minimum 5 years of experience in software development, application development, or a related technical field * Hands-on experience developing applications using Palantir Foundry / MSS Foundry * Experience developing web-based user interfaces and applications * Experience integrating applications with data warehouses, databases, or enterprise data platforms * Experience developing and consuming REST APIs or similar web services * Proficiency in Python, JavaScript/TypeScript, or similar programming languages * Strong understanding of software development lifecycle, application integration, and troubleshooting * Ability to work directly with mission stakeholders to translate operational requirements into technical solutions * 8 years of related experience What Desired Skills You'll Bring: * Experience supporting Joint Staff J7 or other DoD operational organizations * Experience developing applications within Maven Smart System (MSS) * Experience with Palantir Foundry Ontology, Workshop, Slate, or similar Foundry capabilities * Experience with Databricks or other modern data warehouse/data engineering platforms * Experience integrating Foundry applications with external systems and enterprise APIs * Experience developing applications supporting lessons learned, knowledge management, operational planning, or decision support * Familiarity with SQL, data modeling, ETL/ELT, and data pipelines * Experience working in Agile/Scrum development environments * Familiarity with DoD data security, governance, and compliance requirements ## Description Parsons is looking for a highly skilled Software Developer to join our Joint Staff Chief Digital and Artificial Intelligence Office (CDAO) team in direct support of Joint Staff J7. In this role, you will design, develop, and sustain operational applications within Maven Smart System (MSS) Foundry to support J7's lessons-learned mission. You will develop user-facing applications, integrate Foundry capabilities with enterprise data warehouse services, and build APIs that enable users and systems to securely access, search, and leverage lessons-learned data. What You'll Be Doing: * Build, enhance, and maintain J7 operational applications within MSS Foundry in support of Joint Staff mission requirements * Design and develop intuitive user interfaces for submitting, browsing, searching, and interacting with lessons-learned information * Develop custom Foundry applications that leverage processed and curated data from the J7 lessons-learned data warehouse * Design and implement seamless integration between MSS Foundry applications and underlying data warehouse capabilities * Develop and maintain APIs and services to enable secure interaction between Foundry applications, data warehouse services, and external systems * Translate J7 mission requirements and user needs into scalable, maintainable software solutions * Collaborate directly with J7 stakeholders, data engineers, data scientists, and other technical teams to develop and integrate mission capabilities * Troubleshoot, optimize, and sustain applications throughout the software development lifecycle * Develop solutions within secure DoD environments while adhering to applicable security, data governance, and development standards ## Related Videos - [Grappling With Clunky Old Software? Start by Understanding What’s Inside!](https://www.wearedevelopers.com/videos/1189-grappling-with-clunky-old-software-start-by-understanding-what-s-inside) - [Do TypeScript without TypeScript](https://www.wearedevelopers.com/videos/327-do-typescript-without-typescript) - [Cutting LLM Costs Without Cutting Quality: How to Beat Proprietary LLMs with Fine-Tuned Open Source](https://www.wearedevelopers.com/videos/100151-cutting-llm-costs-without-cutting-quality-how-to-beat-proprietary-llms-with-fine-tuned-open-source) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Vuejs and TypeScript- Working Together like Peanut Butter and Jelly](https://www.wearedevelopers.com/videos/127-vuejs-and-typescript-working-together-like-peanut-butter-and-jelly) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [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) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)