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K&K Global Talent Solutions INC.

ReactJS Developer

On site

Seattle, United states

Senior

Freelance

24-02-2026

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Skills

Communication JavaScript HTML CSS Figma MongoDB GraphQL Performance Testing Problem-solving Coaching Architecture Programming Azure react ReactJs React.js Redux GCP Redis Microservices

Job Specifications

Position :: ReactJS Developer :: Issaquah, WA(Hybrid) :: Hire Type: Contract (W2)

Project description

7+ years’ previous experience working as a React.js developer.
7+ years’ experience in React.js, HTML, CSS3.
Vast experience in JavaScript and React concepts, advanced front-end coding skills, and an expert level understanding of progressive web applications.
Passion for supporting, collaborating, and coaching engineering teams.
Comfortable driving code reviews and operating as anointed approver.
Proficiency with building responsive layouts using CSS and CSS-precompilation.
Strong understanding of cross-browser compatibility.
Ability to integrate 3rd party APIs and a strong understanding of REST and GraphQL patterns.
Proficiency with state and side effect management within client-side applications (Redux and Redux Sagas preferred).
Knowledge in JavaScript ES6+ features such as classes, arrow functions, template literals, rest/spread operators, promises, and async/await.
Proficiency with client-side application bundling and optimization.
Strong understanding of CSS fundamentals, accessible patterns, component design and functional programming, and data structures.
Strong troubleshooting and problem-solving skills; strong interpersonal, verbal, and written communication skills; strong relationship builder in cross-functional teams.
Experience with browser-based debugging and performance testing software.
Experience refactoring code and algorithms for improved performance and robustness.
Self-motivated with a positive, can-do attitude.
Scheduling flexibility to meet the needs of the business, including weekends, holidays, and a rotational on call basis as required.

Desired Skills:

Degree or equivalent education (Computer Science or related field).
Experience working in a retail ecommerce environment.
Understanding of WCAG 2.1 AA principles, patterns, and screen reader testing.
Experience working on design systems building highly composable, reusable components.
Driven performance analysis, and understanding of large-scale application infrastructure and dependencies.
Experience translating Figma design mockups and prototypes into working applications.
Knowledge of unit testing frameworks, including Jest and React Testing Library.
Experience working with serverless platforms onr GCP. or Azure
Familiarity with design patterns and microservices-based architecture patterns.
Experience with writing complex Graphql, Redis, MongoDB or similar database queries.
Experience with MUI v5 components.
Experience working with Storybook.js and Chromatic.
Experience with Gatsby.js.
Excellent verbal and written communication skills.
Successful internal candidates will have spent one year or more on their current team.

About the Company

K&K Global Talents Solutions Inc: A New Era in the US Recruitment Industry With their partnership with a highly reputable German recruitment firm boasting over 30 years of experience, K&K Global Talents Solutions Inc. is an emerging player in the US recruitment industry. This collaboration allows them to merge the advantages of a new entrant with the vast knowledge and expertise of a well-established player. Clients and candidates are guaranteed to benefit from innovative recruitment approaches, cutting-edge strategies, and ... Know more