At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.
Job Description:
Parsons is seeking a talented Frontend Engineer to help develop next-generation, mission-critical applications for defense and national security missions. In this role, you will design and build responsive, intuitive user interfaces that help operators and decision-makers understand complex operational environments. You will work with large geospatial datasets, interactive two-dimensional and three-dimensional maps, real-time data streams, and situational awareness tools.
This is an opportunity to solve challenging frontend engineering problems while contributing to technology that supports critical missions.
What You'll Be Doing:
- Design frontend architecture: Help define and evolve the architecture of complex geospatial applications using React, TypeScript, and modern state management patterns.
- Build geospatial visualizations: Develop high-performance mapping and visualization components using technologies such as OpenLayers, CesiumJS, WebGL, or related frameworks.
- Work with large datasets: Create interfaces capable of displaying and interacting with substantial geospatial datasets, real-time feeds, and map layers.
- Optimize application performance: Profile and improve rendering performance, memory usage, network activity, and interaction latency, including on hardware-constrained systems.
- Develop data-intensive workflows: Use asynchronous programming, web workers, and efficient data-processing techniques to support demanding visualization and analysis workflows.
- Integrate secure services: Partner with backend and DevOps engineers to integrate APIs, cloud-native services, authentication mechanisms, and secure data pipelines.
- Collaborate across disciplines: Work closely with UX and UI designers, product owners, systems engineers, and end users to create effective and intuitive mission-focused experiences.
- Maintain engineering quality: Write maintainable, well-tested code; participate in design discussions and code reviews; and contribute to frontend standards and best practices.
- Support team growth: Mentor junior and mid-level engineers and help establish development practices that improve quality, consistency, and delivery.
- Contribute to technical direction: Evaluate tools and technologies, identify opportunities for improvement, and help guide the evolution of the application platform.
What Required Skills You'll Bring:
- Must be a U.S. Citizen.
- Bachelor's Degree Computer Science, Computer Engineering or 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 working with geospatial data or mapping technologies, including one or more of the following:GeoJSONKMLRaster or vector tilesCoordinate reference systemsGeospatial APIsOpenLayers, CesiumJS, MapLibre, Mapbox, or comparable libraries
- Experience diagnosing and improving browser performance, including rendering, memory usage, network activity, and application responsiveness.
- Experience creating automated tests using tools such as Jest, Cypress, Playwright, or comparable frameworks.
- Strong communication and collaboration skills.
- Ability to work effectively in a mission-focused, highly collaborative engineering environment.
What Desired Skills You'll Bring:
- Active security clearance at the level required for the applicable program.
- Experience working on defense, intelligence, aerospace, or other national security applications.
- Experience deploying applications in secure or regulated cloud environments, including AWS GovCloud.
- Familiarity with Docker, Kubernetes, and cloud-native application deployment.
- Experience developing applications that support DoD cybersecurity or compliance requirements, including applicable Impact Level requirements.
- Experience with three-dimensional geospatial visualization 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.
Security Clearance Requirement:
NoneThis position is part of our Federal Solutions team.The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.Salary Range: $103,500.00 - $181,100.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!This position will be posted for a minimum of 3 days and will continue to be posted for an average of 30 days until a qualified applicant is selected or the position has been cancelled.Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.
Skills Required
- U.S. citizenship
- Bachelor's degree in Computer Science, Computer Engineering, or a related field, or equivalent additional experience
- 5+ years of professional software engineering experience with significant React and modern frontend ecosystem experience
- Professional experience developing frontend applications with React and TypeScript
- Strong knowledge of modern JavaScript, including ES6 or later and asynchronous programming
- Experience designing and implementing reusable, maintainable user interface components
- Experience with geospatial data or mapping technologies, including 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 creating automated tests with Jest, Cypress, Playwright, or comparable frameworks
- Strong communication and collaboration skills
- Ability to work effectively in a mission-focused, collaborative engineering environment
- Active security clearance at the level required for the applicable program
- Experience in defense, intelligence, aerospace, or national security applications
- Experience deploying applications in secure or regulated cloud environments, including AWS GovCloud
- Familiarity with Docker, Kubernetes, and cloud-native application deployment
- Experience with DoD cybersecurity or compliance requirements and applicable Impact Level requirements
- Experience with 3D geospatial visualization 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 with geospatial databases, spatial analysis tools, or geospatial web services
- Experience mentoring engineers or leading frontend technical initiatives
Parsons Corporation Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Parsons Corporation and has not been reviewed or approved by Parsons Corporation.
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Retirement Support — Retirement programs are framed as a major value driver, with an ESOP alongside a 401(k) match and additional stock-purchase options contributing meaningfully to total rewards. This structure is positioned as especially attractive for employees who value long-term wealth-building over immediate cash.
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Healthcare Strength — Health coverage is described as broad and choice-rich, with multiple plan types (PPO, HDHP, and some HMO networks) plus dental, vision, EAP, and wellness resources. The availability of different plan designs and national-carrier coverage supports varied employee needs.
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Leave & Time Off Breadth — Time-off offerings are portrayed as competitive, including PTO, holidays, flexible schedules such as a 9/80 option for eligible roles, and floating holidays in the U.S. Paid parental leave of 160 hours is also highlighted as a meaningful component of the overall package.
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What We Do
Parsons is a digitally enabled solutions provider with a focus on making the world safer, smarter, healthier, more sustainable, and more connected. Founded in 1944, Parsons primarily serves the defense, security, and infrastructure markets. Uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services, the corporation delivers state-of-the-art solutions to federal, regional, and local government agencies as well as to private industrial customers worldwide. Parsons has a reputation for inclusion and diversity and has been named to the Ethisphere Institute’s list of World’s Most Ethical Companies for 10 consecutive years. Parsons facilitates a culture of innovation by encouraging collaboration among its employees and providing opportunities for career growth. With offices around the globe, people of varied talents and backgrounds, and a wide range of exciting projects, the possibilities at Parsons are endless. For more about Parsons, visit www.parsons.com. Mission: Delivering innovative infrastructure, defense, and security solutions to enable a more sustainable, safer, smarter, and more connected world.
