Demo

Front End Lead Developer

Sentar
Chantilly, VA Full Time
POSTED ON 5/7/2026
AVAILABLE BEFORE 7/6/2026

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 seeking a Front End Lead Developer in Chantilly, VA!

Role Description:

As a Front End Lead Developer, you will be responsible for the design, development, testing, and management of application development projects in support of the IT infrastructure. You will develop and implement technical efforts to design, build, and deploy applications at the direction of lead architects, including large-scale data processing, computationally intensive statistical modeling, and advanced analytics to support a forensic and investigative ecosystem.

Key Responsibilities

  • Design, develop, test, and manage application development projects in support of IT infrastructure
  • Integrate third-party components and introduce new custom capabilities
  • Modify existing code and recommend process improvements
  • Automate operations and maintenance tasks
  • Develop and implement technical efforts for large-scale data processing and advanced analytics
  • Participate in all aspects of the software development life cycle
  • Contribute to planning, requirements, development, testing, and quality assurance
  • Participate in technical project milestone reviews and code architecture sessions
  • Provide resource estimation and development best practices knowledge transfer
  • Participate in Program Increments (PIs) and Agile Release Train (ART) activities
  • Support the multi-enclave environment (Unclassified, Secret, and Top Secret)
  • Collaborate with cross-functional teams to ensure seamless integration

Qualifications:

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 10 years of experience in software engineering
  • Experience with SAFe Agile framework
  • Strong understanding of forensic and investigative system requirements
  • Demonstrated experience designing and implementing complex software solutions in secure government environment
  • Experience::
    • Angular knowledge is a must
    • Angular Material and C#/.Net knowledge is needed
    • ElasticSearch/ OpenSearch, ETl pipeline knowledge preferred

Required Technical Skills

Senior-Level

Advanced proficiency with:

    • Multiple programming languages and frameworks
    • Complex system architecture design
    • Message brokers such as RabbitMQ, Kafka, and Redis
    • Elasticsearch, Splunk, and other data platforms
    • Containerization and orchestration technologies (Docker, Kubernetes)
    • Cloud platforms (AWS GovCloud, SC2S, C2S)
    • DevSecOps practices and tools
    • Performance optimization and scalability design
    • Security engineering principles

Additional Technical Experience

Experience with:

    • Frontend frameworks (Angular, React, Svelte)
    • Data streaming and integration technologies such as Apache Nifi
    • Infrastructure as Code (Terraform)
    • GraphQL
    • Microservices architecture
    • 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

Benefits at Sentar:

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

If you are not ready to apply for this position, submit your resume here to join our talent community. We'll keep you updated occasionally on new job opportunities.

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.

We want you to build your career at Sentar, so if you are an individual with a disability and require a reasonable workplace accommodation applying for a job or at any point in the employment process, contact the Recruiting Manager at recruiting@sentar.com. Please indicate the specifics of the assistance needed. Thank you for considering Sentar in your employment search.

Build, Innovate, Secure Your Career at Sentar.

Salary.com Estimation for Front End Lead Developer in Chantilly, VA
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