Senior Frontend Engineer & Tech Lead — React/TS, AWS

AIS (Applied Information Sciences)

Washington

On-site

USD 117,000 - 177,000

Full time

13 days ago

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Job summary

Applied Information Sciences is seeking a Senior Front End Engineer SME to design, build, and optimize modern user interfaces using React, TypeScript, JavaScript, Node.js, and AWS-hosted environments. You will mentor developers and collaborate with cross-functional teams to deliver enterprise-grade front-end solutions.

Requirements include 8+ years of frontend experience, REST APIs, Git/GitLab, AWS, and a proven record of performance optimization and accessibility.

Qualifications

8+ years of frontend development experience with modern frameworks.
Proficient building UI components with HTML, CSS, and responsive design.
Experience integrating with REST APIs and data formats (JSON/XML).
Strong knowledge of Git/GitLab workflows and CI/CD practices.
Experience delivering accessible, performant front-end solutions.

Responsibilities

Lead design and development of responsive, high-performance UIs using React, TypeScript, JavaScript, HTML, CSS.
Architect modular frontend components and scalable UI libraries.
Mentor mid-level and junior frontend developers and review code and practices.
Integrate frontend with .NET backend services via REST APIs; optimize data handling.
Drive performance tuning and accessibility improvements across enterprise-grade apps.