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Web Frontend Engineer Js Css React Flutter Jobs in Illinois

Frontend Web and App Developer

Champaign, IL · On-site

$97K - $113K/yr

Frontend Web and App Developer At Smartz Inc, we rely on our dynamic team of engineers to solve the ... JavaScript, CSS, HTML, and front-end languages. * Knowledge of REACT tools including React.js ...

Senior Front End Engineer

Chicago, IL · On-site

$126K - $173K/yr

The role involves writing client-side JavaScript, building complex layouts with CSS and HTML, and ... Web Services. • Experience with AngularJS and Angular 6 or React. • Scrum should be second ...

Frontend Engineer

Chicago, IL · On-site

$150K - $180K/yr

Strong command of shadcn/ui, Radix primitives, Tailwind CSS, and React/TypeScript - you should be ... Bonus: familiarity with Next.js, React Native, or motion/animation libraries (Framer Motion, GSAP)

Frontend Engineer

Chicago, IL · On-site

$150 - $200/hr

Strong command of shadcn/ui, Radix primitives, Tailwind CSS, and React/TypeScript -- you should be ... Bonus: familiarity with Next.js, React Native, or motion/animation libraries (Framer Motion, GSAP)

Senior React Developer

Chicago, IL · On-site

$56.25 - $74.25/hr

... React.js, or other technologies. • Building reusable components and front-end libraries. • ... web-capable devices and browsers. • Translating designs and wireframes into high quality code ...

Senior Frontend Developer

Champaign, IL · On-site

$107K - $141K/yr

... web applications. Ultimately, a top-class react.js developer should be able to design and build ... In-depth knowledge of JavaScript, CSS, HTML, and front-end languages. * Knowledge of REACT tools ...

Senior Frontend Developer

Champaign, IL · On-site

$107K - $141K/yr

... web applications. Ultimately, a top-class react.js developer should be able to design and build ... In-depth knowledge of JavaScript, CSS, HTML, and front-end languages. * Knowledge of REACT tools ...

Senior Frontend Developer

Champaign, IL · On-site

$107K - $141K/yr

... web applications. Ultimately, a top-class react.js developer should be able to design and build ... In-depth knowledge of JavaScript, CSS, HTML, and front-end languages. * Knowledge of REACT tools ...

... web applications using JavaScript (ES6+) and React.js. ⦁ Build reusable UI components and ... front end programming languages ⦁ Use of GitHub ⦁ Basic UX principles ⦁ React.js ⦁ API ...

... and CSS Translate project design into code using Angular JS, JavaScript, JQuery, JSON and HTML ... Front End Engineer 2+ years of experience as Angular JS Developer Strong UI development experience ...

... and CSS Translate project design into code using Angular JS, JavaScript, JQuery, JSON and HTML ... Front End Engineer 2+ years of experience as Angular JS Developer Strong UI development experience ...

Showing results 21-40

Web Frontend Engineer Js Css React Flutter information

What is a web frontend engineer js css react flutter?

A Web Frontend Engineer specializing in JavaScript, CSS, React, and Flutter is responsible for building and maintaining user interfaces for web and mobile applications. They use JavaScript and CSS to create interactive, responsive web pages and leverage React for dynamic UI components. Flutter is used for building cross-platform mobile applications with a single codebase. This role requires strong problem-solving skills, a keen eye for design, and knowledge of modern frontend development best practices. Collaboration with backend developers, designers, and product teams is also essential.

What are the typical daily responsibilities of a web frontend engineer js css react flutter?

As a Web Frontend Engineer specializing in Js, Css, React, and Flutter, your daily tasks often include developing and maintaining user-facing features, collaborating with designers to implement UI/UX improvements, and ensuring cross-browser and cross-platform compatibility. You'll participate in agile sprint meetings, perform code reviews, and troubleshoot bugs as projects progress. Coordination with backend engineers and product managers is also common to ensure seamless data integration and fulfill project requirements. This multidisciplinary environment keeps tasks engaging and provides constant opportunities to learn and contribute to the team's success.

What are the key skills and qualifications needed to thrive in the web frontend engineer js css react flutter position, and why are they important?

To thrive as a Web Frontend Engineer Js Css React Flutter, you need a solid understanding of JavaScript, CSS, React, and Flutter, often supported by a degree in computer science or equivalent experience. Familiarity with version control systems like Git, front-end build tools, and a portfolio demonstrating real-world projects are highly valued. Strong problem-solving skills, attention to detail, collaboration, and effective communication help you excel in team-based agile environments. These capabilities ensure robust, responsive, and maintainable user interfaces while supporting seamless teamwork and continuous delivery.

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The most popular types of Web Frontend Engineer Js Css React Flutter jobs in Illinois are:

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Infographic showing various Web Frontend Engineer Js Css React Flutter job openings in Illinois as of August 2026, with employment types broken down into 73% Full Time, 18% Part Time, and 9% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Frontend Web and App Developer

Smartz

Champaign, IL • On-site

$97K - $113K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 2 days ago


Key responsibilities

  • Develop and implement user interface components using React.js and related workflows such as Redux, Flux, and Webpack.

  • Profile and improve front-end performance and document the front-end codebase.

  • Design user interactions on web pages and ensure cross-platform optimization and responsiveness of applications.


Job description

Frontend Web and App Developer

At Smartz Inc, we rely on our dynamic team of engineers to solve the many challenges and puzzles that come with our rapidly evolving technical stack. You will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.


To ensure success as a react.js developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class react.js developer should be able to design and build modern user interface components to enhance application performance.


About Us

Smartz was founded in June of 2021 by Dr. Kevin Wan who has been a successful entrepreneur in the smart home industry for more than 10 years. Our team at Smartz wants to disrupt the PropTech Industry by providing advanced AI software that is compatible with industry leading smart home devices and will provide property owners and tenants with an all-in-one solution to all of their property management needs.


Our team uses the latest mobile technologies for all features of Smartz apps, which include live video streaming/recording, motion/sound alerts, AI powered object detection, video access sharing functions, etc. We always strive to develop innovative features to create secure and smart device management experiences for our users and business partners.


Job Type

  • Full-time and in person only (Champaign, IL)


Job Responsibilities

  • Ensure application performance, uptime, and scale, maintaining high standards of code quality and thoughtful application design
  • Work with agile development methodologies, adhering to best practices and pursuing continued learning opportunities
  • Developing front end website architecture
  • Designing user interactions on web pages
  • Ensuring cross-platform optimization for mobile phones
  • Ensuring responsiveness of applications
  • Working alongside graphic designers for web design features
  • Designing and developing APIs


Technical Skills Requirements

  • In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
  • Knowledge of REACT tools including React.js, Webpack, Redux, and Flux.
  • Experience with user interface design.
  • Knowledge of performance testing frameworks including Mocha and Jest.
  • Experience with browser-based debugging and performance testing software.
  • Excellent troubleshooting skills.
  • Good project management skills


Experience & Qualifications

  • 3+ years of experience building large-scale software applications.
  • Bachelor's Degree in Computer Science
  • Experience in building enterprise applications
  • Unit/integration testing experience


Benefits

  • Company paid Medical, Dental, Vision, and Life insurance
  • Retirement savings plan with company match
  • Robust paid time off package
  • Paid Company Holidays


Smartz's commitment of diversity and inclusion is one we strive to continuously cultivate. We aim to provide everyone regardless of identity a space where they can grow and feel seen as a person first. These are more than just words to us; they are guidelines for how we build and foster our team, our leaders, and the core culture of our company. We are also an equal opportunity employer that does not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. In accordance with the law, we make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as any mental health or physical disability needs.


As a part of our commitment to health and safety, we have implemented various COVID-related health and safety requirements for our workforce. These requirements may include sharing information in the company's HRM system, regular testing, mask wearing, social distancing and daily health checks. Requirements may change in the future with the evolving public health landscape.