Frontend Developer (Senior)

Location: Chantilly, VA
Security Clearance: Active TS or higher [Required] w/ CI Poly
Job Type: Full-Time
Target Salary Range*: $123,000 - $168,000

*This represents the potential salary range for this position depending on education level, years of experience and/or certifications in addition to other position specific requirements which may impact salary

The Frontend Developer (Senior) designs, builds, and maintains intuitive user interfaces that deliver high-quality user experiences and support enterprise application requirements. This role translates designs and business requirements into scalable frontend solutions, develops reusable UI components, optimizes application performance, and ensures accessibility and cross-platform compatibility.

The Frontend Developer (Senior) also contributes to secure software development practices, mentors developers, improves development processes, and collaborates across engineering teams supporting cloud-native, containerized, data-intensive, and AI-enabled applications.

• Translate designs and business requirements into scalable frontend solutions.
• Design, build, and maintain intuitive user interfaces.
• Develop reusable UI components.
• Support end-user UI and ETL UI capabilities within custom-developed applications.
• Integrate frontend components with backend and middleware services.

• Optimize frontend application performance.
• Ensure accessibility and cross-platform compatibility.
• Apply secure software development practices.
• Support responsive design and consistent user experiences across supported platforms.

• Integrate frontend applications with RESTful APIs and backend services.
• Support application environments using Angular and .NET/C#.
• Support integrations with MySQL and Elasticsearch/OpenSearch.
• Support integration of reasoning components, retrieval systems, databases, and AI/GenAI services.

• Support applications deployed in Kubernetes environments.
• Support Terraform-based infrastructure.
• Work within GitLab CI/CD pipelines and JFrog Artifactory environments.
• Support applications deployed using AWS cloud services.

• Support ETL environments using Python, RabbitMQ, Celery, and Redis/Valkey.
• Support data integrations involving MySQL, PostgreSQL, and Microsoft SQL.
• Support Elasticsearch/OpenSearch integrations.
• Support complex data parsing and streamlined ingestion.
• Support provenance and end-to-end data lineage tracking.
• Support schema-aligned ingestion and normalization of diverse structured and unstructured data.
• Support integrations between frontend applications, data services, and AI/GenAI capabilities.

• Mentor developers and support frontend engineering best practices.
• Optimize frontend development processes.
• Collaborate across engineering, product, design, and platform teams.
• Support standardization and continuous improvement across frontend development activities.

• Bachelor’s degree. [Required]

• Minimum 8 years of relevant experience. [Required]

• Strong experience with modern JavaScript frameworks such as React, Angular, Vue, or similar. [Required]
• Proficiency in HTML5, CSS3, JavaScript/TypeScript, and responsive design principles. [Required]
• Experience integrating frontend applications with RESTful APIs and backend services. [Required]
• Knowledge of accessibility standards, performance optimization, and secure coding practices. [Required]
• Experience with Git, automated testing frameworks, and CI/CD pipelines. [Required]
• Strong problem-solving, communication, and collaboration skills. [Required]

• Experience supporting cloud-native and containerized application environments.
• Knowledge of micro-frontend architectures and modern frontend development patterns.
• Experience with design systems and component libraries.
• Familiarity with DevSecOps practices and Agile development methodologies.
• Experience mentoring developers and leading frontend best-practice initiatives.
• Relevant certifications in web development, cloud platforms, or secure software development.