Senior Frontend Architect – React, AWS & .NET

Bow Wave LLC; Washington (District of Columbia); On-site; USD 120,000 - 180,000; Full time

Job summary

Bow Wave LLC is seeking a Senior Frontend Developer in Washington, DC to architect, build, and optimize modern UIs for mission-critical applications. You will lead frontend architecture, mentor developers, and collaborate with design, backend, and product teams to deliver secure, scalable, and high‑performing interfaces.

The role emphasizes strong React/TypeScript skills, AWS‑hosted environments, and integration with .NET services, with a focus on accessibility and code quality.

Qualifications

• 8+ years of experience developing modern frontend applications using React, JavaScript, TypeScript, and Node.js.
• Advanced experience building UI components with HTML, CSS, Sass, and responsive design frameworks.
• Strong experience integrating with REST APIs and working with JSON and XML data formats.
• Proficiency with Git and GitLab for source control, collaboration, and code review workflows.
• Ability to design, refactor, and maintain scalable frontend architectures in cloud environments (AWS preferred).
• Deep understanding of frontend performance optimization, browser behavior, debugging techniques, and application profiling.
• Demonstrated ability to mentor developers and lead best‑practice discussions across the engineering team.
• Experience building cloud‑native solutions in AWS.
• Experience with YAML and CI/CD pipeline development (GitLab CI preferred).
• Experience with package scan vulnerability remediation
• Experience with integration with .NET APIs or full stack environments.
• Excellent communication skills with the ability to articulate technical decisions and collaborate with cross‑functional teams.

Responsibilities

• Lead the design and development of responsive, high-performance user interfaces using Node.js, React, JavaScript, TypeScript, HTML, and CSS.
• Architect modular, maintainable, and scalable UI component libraries aligned with modern engineering standards.
• Mentor and provide technical guidance to mid level and junior frontend developers, including reviewing code, coaching on best practices, and supporting skill development.
• Integrate frontend applications with backend .NET services using REST APIs, JSON, and XML.
• Drive client-side state management patterns, rendering optimization, and performance tuning for enterprise‑grade applications.
• Collaborate closely with UX/UI designers, backend engineers, and product owners to ensure seamless end‑to‑end functionality.
• Establish and enforce coding standards, accessibility guidelines, and quality controls across the frontend codebase.
• Use Git and GitLab for version control, branching strategies, and merge request workflows.
• Troubleshoot complex UI issues across environments, platforms, and browsers, providing root‑cause analysis and actionable remediation.
• Operate within AWS cloud‑hosted environments and support integration, deployments, and environment troubleshooting.
• Promote a culture of high-quality engineering through code reviews, design reviews, and knowledge‑sharing sessions.
• Support planning, estimation, and architectural discussions for new features and modernization efforts.
• Partner with teams to ensure frontend solutions meet accessibility, security, and performance requirements.
• Review code and container scans and remediate both code and package vulnerabilities on a regular basis.

Skills

React

TypeScript

JavaScript

Node.js

AWS

REST APIs

Frontend architecture

Mentoring

Accessibility

GitLab

Tools

Git

GitLab CI

CI/CD

Jira

Job description

Bow Wave LLC is seeking a Senior Frontend Developer in Washington, DC to architect, build, and optimize modern UIs for mission-critical applications. You will lead frontend architecture, mentor developers, and collaborate with design, backend, and product teams to deliver secure, scalable, and high‑performing interfaces.

The role emphasizes strong React/TypeScript skills, AWS‑hosted environments, and integration with .NET services, with a focus on accessibility and code quality.