> Markdown version of [/jobs/ext/490999-full-stack-software-developer](https://www.wearedevelopers.com/jobs/ext/490999-full-stack-software-developer). 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). --- # Full Stack Software Developer - **Company:** Leidos, Inc. - **Location:** Lanham, MD, United States (Remote available) - **Experience:** Expert - **Salary:** $107,900.0 - $195,050.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Application Performance Management, Unit Testing, Microsoft Azure, C Sharp (Programming Language), Software as a Service, Cloud Computing, Code Review, Databases, Data Structures, Scrum Methodology, Software Engineering, SQL Databases, Model-Driven Development, Appian, Backend, Solid Principles, Information Technology, Restful APIs, Powerapps - **Published:** June 4, 2026 - **Apply:** https://www.careerjet.com/jobad/us4c37d29d92e5665a6e7ea2a95e544449 ## About the Role * Bachelor's degree in Computer Science, Information Technology, or related field and 8 to 12 years of relevant experience or Masters Degree and 6 to 10 years. * 3+ years of experience in full stack development. * Proficient in Power Apps (Canvas and Model-Driven apps). * Experience with Appian development and workflows. * Strong understanding of data structures, algorithms, and software design principles. * Familiarity with JavaScript, C#, SQL, and RESTful APIs. * Excellent problem-solving skills and attention to detail. * Must be able to obtain and maintain FAA Public Trust., * Appian Certified Developer or Microsoft Power Platform certifications. * Experience with cloud platforms such as Azure or AWS. * Understanding of Agile/Scrum methodologies. * Knowledge of security best practices in app development. ## Description The NISC IV program at Leidos is seeking a Full Stack Developer to join our team and help build scalable, intelligent applications using Power Apps, Appian, and robust data structure principles. The successful candidate will play a critical role in the design, development, and deployment of enterprise-grade applications. Additionally, the ideal candidate will have hands-on experience with Microsoft Power Platform, Appian BPM, and solid knowledge of computer science fundamentals including data structures and algorithms. Primary Responsibilities: * Design and develop scalable applications using Power Apps and Appian. * Collaborate with cross-functional teams to gather and define requirements. * Build and optimize backend logic, APIs, and data models. * Implement efficient data structures and algorithms to improve application performance. * Integrate with third-party systems and enterprise databases. * Conduct unit testing and participate in code reviews. * Maintain clear documentation and adhere to software development best practices., A Senior Full-Stack Engineer will lead the architecture and development of a multi-tenant SaaS platform designed for regulated financial and government procurement workflows. 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