> Markdown version of [/jobs/ext/2222615-senior-ui-developer](https://www.wearedevelopers.com/jobs/ext/2222615-senior-ui-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior UI Developer - **Company:** Spectraforce - **Location:** Chicago, IL, United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Gulp.js, HTML, JavaScript (Programming Language), Amazon Web Services, Business Analytics Applications, Automation of Tests, Microsoft Azure, Cascading Style Sheets (CSS), Cloud Computing, Digital Assets, Web Development, Event-Driven Programming, Design of User Interfaces, Machine Learning, Responsive Web Design, Web Application Frameworks, Cloud Platform System, Grunt (Software), ReactJS, Backend, Vue.js, Webpack, AngularJS, Information Technology, Build Tools, React Redux, Programming Languages - **Published:** August 25, 2026 - **Apply:** http://leoforce.us/Careers/Spectraforce/JobDetails.html?jobid=ead4ff8c-da15-4b41-842c-d1c48454e070&OrgId=1&UserId=6235 ## About the Role Your primary goal for this job role will be designing, implementing, and supporting modern interactive UI solutions developed in JS frameworks such as ReactJS. Besides, you should be able to coordinate with Backend Developers, HTML coders, and Graphic Designers for a complete web development experience. You should be knowledgeable about packing & deploying apps via CI/CD pipelines to a cloud platform. To succeed in this job role, you should possess excellent communication skills. You should also have the ability to keep a close eye on details. You should be able to manage multiple projects simultaneously. Experience Level: Prefer: 8+ years of experience as a UI/UX Developer or Web Developer Qualifications (must haves): * Bachelor's degree in Information Technology, Computer Science or a related field * Complete knowledge of programming languages like CSS, HTML and Javascript * Knowledge of website design best practices and UI/UX designs * Well-versed knowledge in modern JS Framework such as React, Angular, Polymer, Vue etc.. * Experience with state management like Redux, React-Context or similar library * Good understanding of asynchronous, closure, event-driven programming * Good understanding of browser rendering behavior and performance * Familiarity with JavaScript module loaders and testing tools * Familiarity with front-end build tools, such as Webpack, Grunt and Gulp.js * Strong analytical skills and Excellent multitasking and organizational skills * Ability to work in a team and under pressure * Experience working with Cloud platforms such as MS Azure, AWS preferred ## Description The Senior UI Developer will represent the Digital Asset Innovation development team and play a key role supporting the digital transformation of assets and asset servicing functions leveraging emerging technologies such as cloud technologies, distributed ledgers, machine learning, cognitive algorithms etc., to position the client to be a key participant in the digital future., * Using programming languages like HTML/CSS and Javascript frameworks such as ReactJs/AngularJS to create responsive web pages. * Creating aesthetically appealing websites along with a friendly user interface design * Following established code practices when undertaking user interface development * Working closely with Designers and Backend Developers to ascertain client needs * Optimizing websites, programs, and applications for better speed and functionality * Gathering feedback from clients, technical staff and conducting troubleshooting procedures * Developing functional documentation and guidelines for other team members * Creating prototypes for testing website functionality * Conceptualizing website designs and placements * Using analytical tools to determine website performance including website speed, load time, etc. ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Lessons learned from building a thriving Vue.js SaaS application](https://www.wearedevelopers.com/videos/1666-lessons-learned-from-building-a-thriving-vue-js-saas-application) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. Grogg](https://www.wearedevelopers.com/videos/1806-nolojs-avoiding-javascript-cruft-with-html-and-css-aaron-t-grogg) - [The Pragmatic Architect: Balancing Necessity vs. Sufficiency in React Systems](https://www.wearedevelopers.com/videos/2101-the-pragmatic-architect-balancing-necessity-vs-sufficiency-in-react-systems) - [Common Mistakes in Vue.js and How to Avoid Them](https://www.wearedevelopers.com/videos/958-common-mistakes-in-vue-js-and-how-to-avoid-them) ## Related Articles - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [The Best JavaScript Framework to Learn](https://www.wearedevelopers.com/magazine/229-the-best-javascript-framework-to-learn) - [Top 7 CSS Frameworks in 2025](https://www.wearedevelopers.com/magazine/362-top-7-css-frameworks-in-2025) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk)