Senior React Developer

Job Title: Senior React Developer

Location: McLean, VA 22102 (Needs to be onsite 5 days a week)

Duration: Long Term

Interview Mode: In-Person interview mandatory

Job Description:.

Looking for a Mid-Level React Developer with extensive experience in React.js, Redux and TypeScript/JavaScript.

Must have experience with modern build tooling such as Vite.js, including configurations and optimization.

Need someone with experience in automated testing tools such as Jest and React Testing Library (as well as other frameworks).

Responsibilities:

Client’s Financial Engineering team is seeking Developer-UX User Interface Professional for a large strategic financial project.

The position is focused on UI/UX development for a software application platform that produces enterprise level reporting on financial statements and orchestration of financial models.

The candidate will develop and support the front-end (presentation layer) of the application. They will build, test, and deploy UI components, and collaborate with other IT groups, Dev Ops, and REST API middleware teams.

Responsibilities include:

Develop highly responsive, user-facing features using React.js, Redux and TypeScript/JavaScript

Build reusable components and frontend libraries for future use.

Understand business requirements and translate them into intuitive user experiences.

Working knowledge of design, mock-up, wireframe tools ( Figma )

Translate designs and wireframes into high quality code.

Develop flexible and well-structured front-end architecture, along with the APIs to support it.

Optimize existing components for maximum performance.

Build rich visualizations capable of handling and presenting large volumes of financial data.

Manage self-directed assignments to implement features to meet schedule commitments with a high level of quality.

Collaborate effectively with cross-functional teams and contribute to code reviews and UI standards.

Technical Skills:

10-15 years of professional experience in building large-scale web-based applications using JavaScript/TypeScript, HTML, CSS, SASS.

Minimum 10+ 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)

1. AG Grid (required)
2. Other libraries like Bootstrap (nice to have)
3. Proficient understanding of the React build chain through Webpack/Rollup.
4. Experience with Storybook (Directory of UI components) is a plus.
5. Sufficient knowledge of NodeJS.
6. Experience with modern frontend build pipelines and tools (e.g., dependency management using NPM, YARN, or BOWER).
7. Experience with browser-based debugging, and error checking.
8. 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 .
9. Experience with code versioning tools such as git .
10. Strong time management, interpersonal, and communication abilities.
11. Enthusiastic contributor with positive, can-do attitude.

Preferred Qualifications:

Bachelor’s degree, ideally in Computer Science, Financial Engineering or a related quantitative discipline

Prior experience with financial services companies desired but not necessary

#LI-CGTS

#TS-2942