Senior Web Developer

ManTech (


  full-time   employee   contract

United States


  • Develop websites and applications using front end technologies like HTML, Javascript, CSS
  • Backend focused Web development using tools like React, PHP, GIT
  • Design and develop integration of text, graphics, sound and/or video.
  • Perform functional objectives based on Scrum planning
  • Own the overall quality of code including unit testing, functional testing and performance
  • Writes and tests application source code that realizes the specifications outlined in the functional specification documentation
  • Transforms graphical mockups of tools and applications and creates HTML and CSS to create functional interfaces Is responsible for maintaining consistency of HTML and CSS across all applications and correct usage and application according to established style guidelines
  • Design, build, and implement data-driven user interfaces
  • Lead moderate to complex lifecycle development tasks
  • Participate in end-to-end software development lifecycle, e.g., design, code review, etc.
  • Produce prototypes and effectively articulate design decisions
  • Write clean code that is maintainable, scalable, and extensible
  • Improve usability, reliability, security, and performance


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