Post Job Free
Sign in

Senior React JS Developer

Company:
InterSources
Location:
Washington, DC, 20022
Posted:
April 28, 2026
Apply

Description:

Senior React JS Developer

Address: Washington DC, 20003 (Onsite)

In-Person Interview

7 Months Contract Position

Role Description:

The role will require you to design, develop and test using React JS technologies which will facilitate application development and implementation from development to QA to production. You will work to gain an understanding of the current system infrastructure, security needs, network considerations, methodologies.

In this role, you will primarily focus on ReactJS programming, integrate designs and wireframes within the application code, write application interface code with JavaScript, translate wireframes and designs into quality codes, optimize components to work seamlessly across different browsers and devices, develop responsive web-based UI and supporting the ecosystem for the organization.

Required Skills:

8+ years of Enterprise Web Development experience

2 years of experience in working with React-UI framework (React.js)

Experience in working with ReactJS, RXJS, NodeJS, ES6/5

Experience in REDUX architecture

Experience in working with HTML5, CSS3, JavaScript, Angular 2.0, React.JS and Bootstrap

Experience in developing React Native components

Experience in working with JSX (Javascript Syntax Extension)

Experience in working with REST APIs

Experience in working with JSON and XML

Experience to translate Wireframes and designs for development

Experience in CSS libraries, Sigma, Adobe XD

Experience in working with Angular 2.0 is a big plus

Experience in working with Spring Boot and Spring Technologies is a plus

Experience in working with any REACT based UI toolkit is a plus

Experience with ReactJS workflows like Flux, Redux, Create React App, data structure libraries

Experience with GIT version control repository [Required - 5 Years]

Experience with Tomcat/Jetty/undertow Application Servers [ Required - 5 Years]

Experience with LINUX working environment [Required - 5 Years]

Experience with JIRA Issue tracker [Required - 5 Years]

RedHat Openshift Container-based application development and deployment experience [Desirable]

Knowledge of Continuous Integration and Continuous Development practice [Desirable] Responsibilities:

The Senior React Developer position requires in-depth knowledge of JavaScript, object model, DOM manipulation and event handlers, data structures, algorithms, JSX, Babel, and architectural styles /API's (REST/RPC) and Agile methodologies for the development of application programs.

The Senior Developer will be writing clean, scalable code using ReactJS programming languages, refactor and debug codes, improve existing software, test, and deploy applications and systems. Develop documentation throughout the lifecycle of the development process and provide technical support to the team.

Ensure that the technologies are updated with current, stable, and compliant architecture and applications that meet enterprise standards.

Collaborate with internal teams to produce software design and architecture

Develop, Test and Deploy applications and systems

Revise, update, refactor and debug codes

Improve existing JAVA applications and systems

Proactively monitors and reports performance utilization of assigned technologies.

Troubleshoot software and/or hardware issues/failures.

Manage problem or escalated tickets and tasks and out of cycle requests from systems/software owners.

Determine the best course of action for meeting business needs and provide consultative expertise to customers on how to best use systems.

Proactively monitors and identifies broader, more complex issues across multiple, integrated, connecting technologies and communicate as appropriate.

Provides technical knowledge and support to District agencies, personnel, and additional stakeholders

Performs other related duties as assigned

May coordinate activities of application developers.

ble to identify best practices and standards for the use of the product.

Delivers support and design for industry specific applications that require integration with statewide systems or applications

Interacts with executive level business users or technical experts

May function as a niche technical SME (Subject Matter Expert)

Minimum Education/Certification Requirements:

Bachelor's degree in IT or related field or equivalent experience

Skill Required No. of Years Actual Years of Experience 16 yrs. conveying technical and functional concepts for a specific technical specialty 16 16 yrs. preparing complex technical documentation 16 Bachelor's degree in IT or related field or equivalent experience 4 8 yrs of Enterprise Web Development experience 8 2 yrs of experience in working with React-UI framework (React.js) 2 Experience in working with ReactJS, RXJS, NodeJS, ES6/5 6 Experience in REDUX architecture 6 Experience in working with HTML5, CSS3, JavaScript, Angular 2.0, React.JS and Bootstrap 16 Experience in developing React Native components 6 Experience in working with JSX (Javascript Syntax Extension) 6 Experience in working with REST APIs 6 Experience in working with JSON and XML 6 Experience in CSS libraries, Sigma, Adobe XD 6 Experience in working with any REACT based UI toolkit is a plus 3 Experience with ReactJS workflows like Flux, Redux, Create React App, data structure libraries 3 5 yrs Experience with GIT version control repository 5 5 yrs Experience with Tomcat/Jetty/undertow Application Servers 5 5 yrs Experience with LINUX working environment 5 Experience in working with Spring Boot and Spring Technologies is a plus Desired Experience in working with Angular 2.0 is a big plus Desired RedHat Openshift Container-based application development and deployment experience Desired Knowledge of Continuous Integration and Continuous Development practice Desired

If you are interested in this exciting opportunity, please submit your updated resume to or Contact

About Us:

InterSources Inc. is a Small, Woman, and Minority-Owned Business Enterprise, ISO/IEC 27001, SOC 2 Type 2 certified company with massive 18+ years of diversified experience in providing IT Consulting Services, Artificial Intelligence, Data Analysis, Application Development, Cloud Services, Cybersecurity, Digital Marketing, ERP Management, Custom Software Development, Web Development, UI/ UX Design, System Integration, QA Support etc. We make reasonable accommodations for clients and employees, and we do not discriminate based on any protected attribute including race, religion, color, national origin, gender sexual orientation, gender identity, age, or marital status. We also are a Google Cloud and Oracle partner company.

Apply