Angular UI/Frontend Engineer - Scalable, Performant UI

Doist; Philadelphia (Philadelphia County); On-site; USD 110,000 - 150,000; Full time

Job summary

Doist is expanding its ICyte Application team by hiring a Frontend Developer to build high-quality, scalable user interfaces for analytics and workflow apps. The role centers on Angular-based component architectures, performance optimization, and close collaboration with product, backend, and QA teams to deliver responsive experiences.

You will implement reusable UI components, optimize performance, and participate in the agile lifecycle while ensuring accessibility and code quality across

Qualifications

• Experience building Angular applications.
• Proficient in TypeScript and RxJS.
• Strong UI/UX focus with responsive design.
• Ability to translate requirements into clean, maintainable code.

Responsibilities

• Develop responsive and reusable UI components using Angular, TypeScript, RxJS, HTML, and CSS/SASS.
• Implement scalable component architectures and shared UI patterns.
• Optimize frontend performance through AOT compilation, tree‑shaking, and efficient observable patterns.
• Collaborate with backend engineers, QA, and product owners to deliver features.
• Participate in backlog refinement, sprint planning, and the agile lifecycle.
• Ensure UI reliability through unit testing, accessibility checks, and code reviews.

Skills

Angular

TypeScript

RxJS

UI development

Tools

Git/GitHub

CI/CD pipelines

DevOps workflows

Job description

Doist is expanding its ICyte Application team by hiring a Frontend Developer to build high-quality, scalable user interfaces for analytics and workflow apps. The role centers on Angular-based component architectures, performance optimization, and close collaboration with product, backend, and QA teams to deliver responsive experiences.

You will implement reusable UI components, optimize performance, and participate in the agile lifecycle while ensuring accessibility and code quality across