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Parsons

Digital infrastructure and security solutions provider

Frontend Engineer

Frontend EngineeringConfirmed live in the last 24 hours
Full-timeTampa, FL, USA$103.5k - $181.1k

About the Job

Requirements

  • Must be a U.S. citizen and have an active Secret Clearance; the posting also states that an active Top Secret security clearance is required.
  • A bachelor's degree in Computer Science, Computer Engineering, or a related field and 5+ years of professional software engineering experience with a heavy emphasis on React and modern frontend ecosystem tools; additional years of experience may be considered in lieu of a degree.
  • Significant professional experience developing frontend applications with React and TypeScript.
  • Strong knowledge of modern JavaScript, including ES6 and later, asynchronous programming, and contemporary frontend development practices.
  • Experience designing and implementing reusable, maintainable user interface components.
  • Experience with geospatial data, mapping technologies, or data visualization, including one or more of: GeoJSON, KML, raster or vector tiles, coordinate reference systems, geospatial APIs, OpenLayers, CesiumJS, MapLibre, Mapbox, or comparable libraries.
  • Experience diagnosing and improving browser performance, including rendering, memory usage, network activity, and application responsiveness.
  • Experience developing automated tests using tools such as Jest, Cypress, Playwright, or comparable frameworks.
  • Ability to work effectively in a mission-focused and highly collaborative engineering environment.

Responsibilities

  • Help define and evolve the architecture of complex applications using React, TypeScript, and modern state management patterns.
  • Develop intuitive, reusable user interface components for real-time data analysis, visualization, and mission-focused workflows.
  • Implement high-performance 2D and 3D mapping components using technologies such as OpenLayers, CesiumJS, WebGL, or comparable frameworks.
  • Create interfaces capable of rendering and interacting with substantial geospatial datasets, real-time feeds, and multiple map layers.
  • Identify and resolve rendering bottlenecks, memory issues, network inefficiencies, and interaction latency, including on hardware-constrained systems.
  • Use asynchronous programming, web workers, and efficient data-processing techniques to manage demanding visualization and analysis requirements.
  • Collaborate with backend and DevOps engineers to integrate APIs, cloud-native services, authentication mechanisms, and secure data pipelines.
  • Work closely with UX and UI designers, product owners, systems engineers, and mission users to create effective and intuitive experiences.
  • Write maintainable, well-tested code; participate in technical design discussions and code reviews; and promote frontend standards and best practices.
  • Help mentor junior and mid-level engineers and contribute to a collaborative engineering culture.
  • Evaluate tools and technologies, identify opportunities for improvement, and help guide the evolution of the application platform.

Desired Qualifications

  • Experience deploying applications in secure or regulated cloud environments, including AWS GovCloud.
  • Familiarity with Docker, Kubernetes, and cloud-native application deployment.
  • Experience supporting DoD cybersecurity or compliance requirements, including applicable Impact Level requirements.
  • Experience developing 2D or 3D geospatial visualizations using CesiumJS, Three.js, WebGL, or related technologies.
  • Experience developing custom WebGL shaders or optimizing GPU-accelerated visualizations.
  • Experience processing real-time or streaming data.
  • Experience working with geospatial databases, spatial analysis tools, or geospatial web services.
  • Experience mentoring engineers or leading frontend technical initiatives.

About the Company

Parsons

Digital infrastructure and security solutions provider

Parsons provides digitally enabled solutions in national security, defense, and global infrastructure. Its work spans government and commercial clients, offering services in systems and software engineering, quality assurance, compliance, and security, along with large-scale infrastructure projects and advanced technology implementations. The company helps clients by delivering long-term, contract-based engagements that include AI readiness, data preparation for AI applications, and secure, reliable systems. A key differentiator is its breadth across diverse markets and its emphasis on rigorous systems engineering, QA, compliance, and security to ensure the integrity of critical operations while harnessing AI to improve efficiency and safety. Parsons’ goal is to solve complex security and infrastructure challenges through measurable, value-driven solutions and long-lasting partnerships with clients.

Company size
10,001+
Company stage
IPO
Headquarters
Chantilly, VA
Founded
1944

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