Demo

Frontend Developer

Mindlance
Mc Lean, VA Contractor
POSTED ON 6/5/2026
AVAILABLE BEFORE 9/2/2026

Title: Senior Frontend Developer (8 years of exp) & Frontend Professional Developer (3 years of exp)

Duration: Long Term contract

Location: McLean, VA (5 days on-site)


Technical Skills:

• 7 years of professional experience in building large-scale web-based applications using JavaScript/TypeScript, HTML, CSS, SASS.

• 5 years of strong hands-on experience with ReactJS, Redux.

• Thorough understanding of React.js (JSX), Redux and its core principles.

• Strong proficiency in JavaScript, JavaScript object model, RESTful APIs, DOM, and the relevant concepts.

• Proficient understanding of Progress Web Applications (PWA), and Single Page Applications (SPA).

• Strong proficiency with Vite.js (or equivalent modern tooling), including configuration, optimization, and best practices.

• Strong experience with modern UI frameworks and component libraries, specifically: Material UI (MUI) (required) OR AG Grid (preferred)

• Experience with Storybook (Directory of UI components) is a plus.

• Sufficient knowledge of NodeJS.

• Experience with browser-based debugging, and error checking.

• Automated unit testing tools such as Jest, Enzyme, React-testing-library and end-to-end testing tools such as, WebDriver IO, Cypress, or other Selenium-based technologies.

• Experience with code versioning tools such as git.


“Mindlance is an Equal Opportunity Employer and does not discriminate in employment on the basis of – Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans.”

Salary : $75 - $85

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