Sr Front End Engineer SME
Applied Information Sciences2 months ago
Washington, DC, USASenior
Base Salary
$117k - $177k/yr
Responsibilities
- Lead the design and development of responsive, high-performance interfaces using Node.js, React, JavaScript, TypeScript, HTML, and CSS.
- Architect modular, maintainable, and scalable UI component libraries and frontend systems.
- Mentor junior and mid-level developers through technical guidance, coaching, code reviews, and knowledge sharing.
- Integrate frontend applications with .NET backend services using REST APIs, JSON, and XML.
- Drive client-side state management, rendering optimization, application profiling, and performance tuning.
- Collaborate with UX/UI designers, backend engineers, product owners, and mission stakeholders on end-to-end functionality.
- Establish and enforce coding standards, accessibility guidelines, security practices, and frontend quality controls.
- Use Git and GitLab for version control, branching, collaboration, and merge-request workflows.
- Troubleshoot complex UI issues across environments, platforms, and browsers and provide root-cause remediation.
- Operate in AWS cloud-hosted environments and support integrations, deployments, and environment troubleshooting.
- Support planning, estimation, architecture discussions, and modernization initiatives.
- Review code and container scans and remediate code, package, and vulnerability findings.
- Support requirements gathering, client issue resolution, and vendor presentations or proposal activities.
Requirements
- Active Top-Secret clearance and eligibility for SCI are required.
- At least 8 years of experience developing modern frontend applications with React, JavaScript, TypeScript, and Node.js.
- Advanced experience with HTML, CSS, Sass, responsive design frameworks, and scalable frontend architectures.
- Strong experience integrating REST APIs and working with JSON and XML data formats.
- Proficiency with Git and GitLab source control, collaboration, and code-review workflows.
- Experience building cloud-native solutions in AWS and working in cloud environments.
- Deep understanding of frontend performance optimization, browser behavior, debugging, and application profiling.
- Demonstrated ability to mentor developers and lead engineering best-practice discussions.
- Experience with YAML and CI/CD pipeline development, preferably GitLab CI.
- Experience remediating package-scan vulnerabilities and integrating with .NET APIs or full-stack environments.
- Preferred experience with Jest, React Testing Library, Cypress, Section 508, WCAG, JFrog Artifactory, and Jira for DevOps.
Benefits
- Employee ownership with shared participation in company success.
- Access to continuous-learning resources, training, and mentorship.
- Inclusive and collaborative workplace culture with mission-driven client work.
- Targeted base salary range of $117,000-$177,000 per year.
Tech Stack
Categories
About Applied Information Sciences
Advanced Info Service (AIS) is Thailand’s largest mobile and fixed-broadband operator, selling 5G mobile, AIS Fibre home internet, and digital services (cloud, IoT, payments, and video) to consumers and enterprises. A public company founded in 1990 and headquartered in Bangkok, it reports nationwide 5G coverage across 77 provinces and more than 45 million mobile subscribers. AIS monetizes primarily through subscription plans and value‑added digital services.