Senior Front-End Software Engineer - TS/SCI

Parsons Corporation•Tampa, FL

About The Position

CTI, a Parsons Company, is seeking a Senior Front-End Software Engineer with a strong Frontend/UI focus to design and deliver mission-critical interfaces for operators and analysts in real-world operational environments. This position is ideal for candidates passionate about building high-performance, intuitive UIs with modern frontend frameworks and who excel in collaborative, Agile teams supporting Department of War (DoW) programs. As a Senior Software Engineer, you will contribute throughout the entire development lifecycle—from requirements gathering and architecture through implementation, testing, and delivery. You will lead technical decisions and mentor other engineers.

Requirements

Must be a US Citizen
Must have an ACTIVE TS/SCI Clearance
Bachelor’s degree in a STEM field and 8+ years of professional software development experience, with significant ownership of frontend/UI-heavy applications
Additional years of experience will be considered in lieu of a degree
Expert-level experience with React (functional components, hooks, context, Redux Toolkit) and TypeScript
Strong understanding of frontend architecture, component-based design, and state management
Familiarity with Node.js for backend integration
Proven ability to lead technical decisions and mentor engineering teams
Experience building UI for DoW or mission-critical systems is highly desirable

Nice To Haves

Master’s degree in software development, computer science, or a related field
Excellent communication skills, both technical and non-technical, across multiple mediums
Ability to write clean code and follow best practices for implementation, documentation, and testing
Strong foundation in algorithms and data structures with practical application experience
Passion for developing customer-focused solutions
Experience designing or contributing to shared UI component libraries or design systems
Experience with Tactical Assault Kit, Common Operational Picture (COP) platforms, and working with government teams
Preparedness to discuss prior frontend architecture decisions, UI tradeoffs, and examples of complex React applications you have designed or led

Responsibilities

Design, implement, and maintain USSOCOM’s MCS/COP government-owned software solution
Lead frontend development for a large-scale, React-based mission control application
Develop and maintain reusable UI components, patterns, and design systems for consistency and scalability
Collaborate with UX designers, backend engineers, and systems teams to translate complex mission workflows into intuitive, responsive interfaces
Apply frontend architecture best practices, including state management and performance optimization for data-dense, real-time environments
Integrate data into UI components using APIs and backend services (Node.js)
Drive frontend-focused testing strategies, including unit, integration, and UI behavior testing
Mentor project engineers, providing technical leadership and guidance on UI quality and maintainability
Participate in Agile ceremonies and PI planning, ensuring blockers are documented and resolved promptly