Full Stack Developer

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Parsons is seeking a Full-Stack Developer with Angular/ UI experience. Focused primarily on building high-quality, performant, and scalable user interfaces using Angular for large, mission-critical applications. You will collaborate with backend and database teams but your primary responsibility is the front end. This role would work out of our Plano, TX Parsons office (hybrid)

• Design and develop advanced Angular (v15+) UIs using standalone components and modern patterns.
• Implement advanced lazy loading, routing (guards, resolvers, preloading), and change detection optimization (OnPush, track
  
  By, lazy rendering).
• Build reactive, dynamic, schema-driven forms with custom controls and validators.
• Use RxJS (Observables, Subjects, operators, async pipe) for reactive, event-driven UI flows.
• Implement dynamic component loading and a reusable component-based architecture for large applications.
• Collaborate with UX/design to translate wireframes into responsive, accessible interfaces.

• Integrate UI with RESTful APIs built in .NET (Core / 6 / 7 /
  8).
• Consume data from SQL Server–backed APIs with attention to pagination, filtering, and sorting.

• Apply OOP and SOLID principles in UI code and shared libraries.
• Use appropriate design patterns (e.g., Strategy, Factory, Repository) where relevant to UI and shared code.
• Write clean, testable, maintainable code and participate in front-end architectural discussions.

• Support deployment and operation of front-end apps in Azure (App Service, monitoring, scaling).
• Work within CI/CD pipelines for front-end builds, tests, and deployments.

• Python for tools, scripting, or integration supporting UI work.
• SQL knowledge as a plus.

• Work on large-scale, production-grade UI systems with high-performance and reliability needs.
• Debug and troubleshoot complex front-end issues, collaborating across teams as needed.
• Produce clear technical documentation and communicate effectively with technical and non-technical stakeholders.

• Advanced, hands‑on experience with Angular 15+ (standalone components, advanced routing, change detection optimization).
• Strong experience with RxJS and reactive UI patterns.
• Proven experience in architecting large Angular applications.
• Strong understanding of OOP, SOLID, and design patterns in front‑end engineering.
• Experience integrating Angular apps with .NET‑based RESTful APIs.
• Familiarity with distributed, message‑based backends (Rabbit
  
  MQ, Redis) from a UI integration perspective.
• Solid understanding of web performance optimization (lazy loading, minimizing network calls, caching strategies).

• Experience building and supporting large-scale, production web UIs.
• Strong front‑end debugging skills (browser dev tools, network, performance).
• Familiarity with CI/CD and modern front‑end build pipelines.
• Strong collaboration and communication skills.

• Experience deploying SPAs/front‑end apps in Azure.
• Working knowledge of Python for tooling/automation.
• Experience serving front‑end apps with .NET in IIS environments.

• Bachelor’s degree in Computer Science, Software Engineering, or related field
• Typically 5+ years of professional experience developing modern web UIs, with a strong focus on Angular.

None

This position is part of our Critical Infrastructure team.

For more than 80 years, our experts have designed and delivered the critical infrastructure that connects and protects communities around the world. We work in collaborative teams, both within the…