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Sr. UI Developer

Spectraforce
United States
3 days ago
Apply on leoforce.us
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Role details

Contract type
Temporary contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
0 years minimum
Working hours
Regular working hours
Job source
leoforce.us

Tech stack

Clean Code Principles JavaScript (Programming Language) Application Performance Management Code Review TypeScript Web Performance Optimization Web Usability Link Control Protocol ReactJS Material UI Front End Software Development React Redux
+1 more
Es2015

Job description

Develop and maintain scalable web applications using React 18+, leveraging modern features like hooks, concurrent rendering, and component-driven architecture. Build reusable, performant UI components and integrate with backend APIs using modern JavaScript (ES6+) and TypeScript. Apply best practices for state management (Redux Toolkit, Context API, Zustand) and frontend architecture. Implement and monitor application telemetry using tools like Application Insights/OpenTelemetry to track errors, usage, and performance. Analyze and contribute to KPI reviews, including Core Web Vitals (LCP, CLS, INP), page performance, and user engagement metrics. Optimize applications for performance using techniques like lazy loading, code splitting, and memoization. Collaborate in an agile team environment, ensuring high-quality code through testing frameworks (Jest, ReactTesting Library) and code reviews.

Requirements

React

  • JAVA Script
  • Type Script

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Prepare application

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

Moments

Explore playlists

2:55 min

Gaining TypeScript benefits using JSDoc alternatives

Simone Sanfratello · JS Congress

1:21 min

Exploring the target application for front end tests

Anna Mcdougall · JS Congress

3:37 min

Directing browser dependencies without explicit user agent evaluation

Sani Yusuf · JS Congress

3:26 min

Leveraging existing web knowledge for developer experience

Xuan Huang Xuan Huang · World Congress 2025

1:00 min

Misconceptions about TypeScript safety capabilities

Simone Sanfratello · JS Congress

2:59 min

Introduction and transitioning into the tech industry

Anna Mcdougall · JS Congress

Videos

See all
Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS thumbnail
53:45
JS Congress • almost 5 years ago

Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS

Anna Mcdougall

Do TypeScript without TypeScript thumbnail
43:27
JS Congress • almost 5 years ago

Do TypeScript without TypeScript

Simone Sanfratello

But, you're not Facebook thumbnail
31:12
World Congress 2022 • over 4 years ago

But, you're not Facebook

Kristijan Ristovski

Vuejs and TypeScript- Working Together like Peanut Butter and Jelly thumbnail
44:31
LIVE • over 5 years ago

Vuejs and TypeScript- Working Together like Peanut Butter and Jelly

Rob Richardson

Web development best practices in 2021 thumbnail
51:10
JS Congress • almost 5 years ago

Web development best practices in 2021

Laurie Voss

The Art and Craft of Type Development thumbnail
43:20
LIVE • almost 6 years ago

The Art and Craft of Type Development

Michael Hladky, Stefan Baumgartner

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