Web Application Developer

• Design, test, and develop well-designed web-based software using best practices
• Translate UI/UX design wireframes into functional code
• Ensure software continues to function normally through maintenance and testing
• Document every aspect of applications, services, or environments for future reference
• Configure, administer, and manage all aspects of website/application tools
• Develop content for multiple websites/tools that serve as major sources for information and decision making
• Build searches, reports, and dashboards for web applications
• Recommend software upgrades for current and future systems
• Ensure web applications meet Section 508 compliance requirements
• Implement security measures to protect web applications from vulnerabilities
• Optimize web applications for maximum speed and scalability
• Participate in Program Increments (PIs) and Agile Release Train (ART) activities
• Mentor junior developers and provide technical guidance, + Angular, React, or other modern frontend frameworks

• JavaScript/TypeScript
• HTML5/CSS3
• RESTful API design and implementation
• Bootstrap and other CSS frameworks
• Frontend build tools and package managers
• Backend web technologies (.NET C#, Python, Node.js)
• Database integration (MySQL, PostgreSQL, Microsoft SQL)
• Section 508 compliance implementation
• Web application security best practices
• Performance optimization techniques, + GraphQL
• Elasticsearch integration
• RabbitMQ, Redis, or other message brokers
• Containerization (Docker, Kubernetes)
• CI/CD pipelines for web applications
• Cloud platforms (AWS GovCloud, SC2S, C2S)
• DevSecOps practices and tools
• SAFe Agile methodologies
• Working in classified environments

Work Environment

• Primary location: Chantilly, VA
• May require occasional travel for Program Increment planning sessions
• Must be a U.S. citizen and able to pass a background check and polygraph examination
• May require flexible scheduling to support critical operations

Clearance Level:

• Active Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI)

Education:

• Bachelor's degree in Computer Science, Software Engineering, or related field

Experience:

• Minimum of 8 years of experience in web application development
• Experience with SAFe Agile framework
• Strong understanding of web application security requirements
• Demonstrated experience developing complex web applications in government environments

Our unique ownership model attracts top talent, giving employees the freedom to take initiative and drive meaningful improvements. In addition to cultivating a thriving and inclusive work environment, Sentar offers an extensive benefits package designed to support the well-being of employees and their families. Employee ownership is the foundation of our culture, promoting participation, teamwork, and accountability while ensuring long-term financial security and a commitment to excellence.

• Voluntary Medical, Dental, Vision, with Health Savings or Flexible Spending Plan options
• Voluntary Life, Critical Illness, Accident, and Long Term Care insurance options
• Group Term Life, Short-Term and Long-Term Disability is provided by Sentar to all qualifying employees
• Generous 401(k) match
• Competitive PTO plan that graduates quickly with years of service
• Other leave programs; holiday schedule along with bereavement, maternity, jury and military duty
• Mental health awareness programs
• Tuition reimbursement
• Professional development reimbursement
• Recognition and Awards programs

Sentar is proud to be an employee-owned company, fostering a culture of empowerment, collaboration, and innovation. Sentar is dedicated to developing the critical talent that the connected world demands to create solutions to address the convergence of cybersecurity, intelligence, analytics, and systems engineering. We invite you to join the team where you can build, innovate, and secure your career., Sentar is an Affirmative Action and Equal Opportunity Employer M/F/Vets/Persons with Disabilities Our culture is one of inclusivity and support. Sentar is proudly an Equal Opportunity and VEVRAA Federal Contractor Employer M/F/Vets/Persons with Disabilities. Follow these links to learn more about your rights: EEO Is the Law Poster ; EEO Is Law Supplement ; and Pay Transparency .