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React Developer

Oasys International, LLC
United States, Virginia, Fairfax
3926 Pender Drive (Show on map)
Oct 31, 2025

As a React Developer, you will be part of an organization that is accountable for providing integrated and deployed support across Enterprise Networks. Your role is critical, as the mission and the customer rely on your expertise. The aim is to offer the customer a range of flexible yet coordinated services, including Application Development, System Security, System Engineering, End-User Support, and others, across various departments.

Primary Responsibilities:

  • Create, test, and update customer-facing apps that can handle heavy user loads that are both scalable and responsive.
  • Being a part of our agile team will allow you to work closely with a diverse range of professionals, including Product Managers, UX designers, Architects, Developers, Training Specialists and Test Engineers.
  • Identify bottlenecks and bugs, and devise solutions to these problems.
  • Help maintain code quality, organization, and automatization.
  • Supporting the customer.
  • Trusted to understand the technical and functional design requirements related to React.
  • Designing and developing new web applications.
  • Maintaining and troubleshooting existing web applications.
  • Creating front-end components.

Skills & Qualifications:

  • Bachelor's degree in computer science, Information Systems, Engineering, Business, or a technical discipline related to the specific skill or the equivalent combination of education, technical certifications or training, or work experience.
  • Minimum of 5 years of related experience.
  • Strong knowledge of front-end frameworks and libraries such as NextJS, ReactJS, VueJS, Material UI, Tailwind, Jquery, HTML, CSS3, and AJAX.
  • Expertise in optimizing front-end performance and resolving issues related to CSS/JS multi-browser compatibility.
  • Enthusiasm for every aspect JavaScript, User Interface, and Front End.
  • Familiarity with Kafka and event driven architecture.
  • Believer in the Event-Driven approach.
  • Experience with API integration.
  • Excellent sense of user interface and visual design.
  • Working knowledge of Figma and basic design concepts.
  • Strong familiarity with front-end toolchain including Webpacks, Babel, etc.
  • Experience developing single-page web applications that are responsive.
  • Good understanding of CSS preprocessors such as Sass and SCSS.
  • Excellent understanding of front-end technologies like JavaScript, HTML5, and CSS3.
  • Familiar with Mocha, Chai, Jasmine and other testing frameworks.
  • Expertise with developer tools in chrome and other browsers.
  • Competence in user-centered design, accessibility, search engine optimization, and website performance.
  • Proficiency with code versioning tools, including Git, GitHub, SVN, and Mercurial.
  • Knowledge of agile methodologies.
  • A knack for writing clean, readable code.
  • Understanding of fundamental design principles behind a scalable application.
  • Good understanding of information gathering and the questioning method, i.e., able to ask how, what, when, where, why, and who to discern problems.
  • Familiarity with continuous integration.
  • Superb abilities in both solo and group collaboration.

Preferred Qualifications/Certifications:

  • Previous management consulting experience.
  • Experience with a federal agency as a contractor or federal employee
  • Cloud Data Architect Professional certification

Security Clearance Requirements:

  • Must be a U.S. Citizen
  • Must have a Public Trust

Work Location:

  • Washington, DC - Hybrid
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