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Back End Developer

Core One

Salary not specified
Aug 27, 2025
McLean, VA, US
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Design and develop the infrastructure behind a new internal tool that will be used by non-technical users at Core One

Requirements

  • Proficiency in at least one modern coding language. React JS, TypeScript, JavaScript, HTML5, CSS, OOJS, etc.
  • Experience building interfaces for complex data and workflows
  • Familiarity with state management (Redux, MobX, Vuex, NgRx, etc)
  • Experience with Git, Agile/Scrum, CI/CD pipelines
  • Hands-on experience with front-end frameworks such as React, Angular, or Vue.js
  • Familiarity with UI/UX design tools (Figma, Adobe XD, Sketch) and ability to translate designs into code

Responsibilities

  • Design and implement robust, scalable back-end systems to support tools used by non-technical teams
  • Build secure, user-focused APIs and workflows that power front-end applications or no-code/low-code interfaces
  • Model and manage data storage, access, and permissions with a focus on simplicity and security
  • Create automation features such as scheduled jobs, reporting, data syncing, or task workflows
  • Implement validation, error handling, and logging with a focus on usability and supportability
  • Document internal APIs and system behavior for both technical and semi-technical audiences

Other

  • Active TS/SCI with Polygraph
  • Strong collaboration and communication skills to work closely with technical and non-technical stakeholders
  • Strong attention to detail and an eye for design
  • 5+ years of professional experience developing web-based applications
  • Bachelor’s degree in Computer Science, Software Engineering, or related field