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Web Application Engineer
Flagger Force
Develop and maintain React-based web apps and PWAs, integrating .NET APIs.
9d ago
Intermediate (4-7 years), Experienced (8-12 years), Junior (1-3 years), Expert & Leadership (13+ years)
Full Time
Hummelstown, PA
Office Full-Time
Company Size
1,900 Employees
Service Specialisms
Traffic Control
Construction Services
Safety Management
Flagging Services
Transportation Services
Temporary Traffic Control
Project Management
Sector Specialisms
Industrial
Energy
Infrastructure
Utilities
Role
What you would be doing
pwa development
code reviews
api integration
react development
performance optimization
documentation
- Build and maintain Progressive Web Applications (PWAs) to deliver an enhanced user experience across all devices.
- Participate in code reviews to maintain a high level of code quality and consistency.
- Write and maintain comprehensive documentation for new and existing features.
- Work closely with other engineers to integrate with and troubleshoot .NET-based and 3rd Party APIs.
- Collaborate with cross-functional teams, including product managers, designers, and other engineers, to define, design, and ship new features.
- Develop and implement user interface components using ReactJS and its core principles.
- Optimize applications for maximum speed, scalability, and responsiveness.
- Design, develop, and maintain high-quality, reusable, and reliable code for our web applications.
What you bring
reactjs
javascript
azure
git
bachelor’s
2+ years
- Experience working with and troubleshooting .NET-based and 3rd-party APIs.
- Familiarity with Progressive Web App (PWA) concepts and best practices.
- In-depth knowledge and hands-on experience with ReactJS and its ecosystem.
- A Bachelor’s degree in Computer Science preferred
- A knack for benchmarking and optimization.
- Experience with cloud environments such as Azure and Google Cloud as well as datastores based on SQLServer or PostgreSQL is nice to have.
- Excellent problem-solving skills and attention to detail.
- Steel toed boots or the ability to obtain prior to joining the organization.
- Strong communication and collaboration skills.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Proven experience as a Web Application Engineer, Front-End Engineer, or similar role.
- Familiarity with modern front-end build pipelines and tools.
- Experience with agile software development methodologies and tools such as Git, Jira, and Confluence.
- 2 + years minimum industry related experience
Information not given or found
Training + DevelopmentInformation not given or found
Interview process
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People also searched
Company
Overview
Founded 2002
Year Established
The company was established in 2002 with just a pickup truck and traffic signage.
1000+ Trucks
Fleet Size
Operates a significant fleet of trucks to support daily work zones across the country.
33% Cost Cut
Safety Tech Impact
Adopted video-based safety technology that reduced vehicle incident costs by approximately 33%
- Interfaces with state and national regulators to shape work-zone safety standards.
- Typically handles lane shifts, rolling slowdowns, emergency storm deployments, and complex intersection setups.
- Operates in infrastructure, transport, utilities, energy sectors, and emergency storm response.
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