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Mid-Level Full Stack Engineer with Security Clearance

TEKsystems c/o Allegis GroupCrystal, Virginia
Mid level
Listed on
2026-09-28

About this role

Key Responsibilities Design, develop, and integrate front-end, back-end, API, database, testing, and application components. Build scalable and maintainable full-stack web applications using modern development frameworks and architectures. Develop REST APIs, business logic, data-access layers, validation, logging, and error-handling mechanisms. Design and integrate relational databases, data models, queries, and application data services. Implement automated testing, source control, code review…

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Skills this listing asks for

REST APIs

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