JavaScript Developer



Software developers at Excella are consultants and thought leaders with great business and technology skills. We're delivering game changing products and applications for commercial and government clients. Our specialty areas allow you to choose and focus on your primary technical area, while providing the flexibility to move around depending on client need and your desires. We usually code in Ruby, C#, Python, Java, or JavaScript. We love polyglot developers!


Use your passion to build cutting edge solutions to solve problems with the right technologies

  • Employ the values and principles of Agile development on small teams
  • Support quality development practices and pursue new and better ways to build software
  • Understand and follow emerging design to appropriately meet the business needs of our clients
  • Use what works while keeping an eye out for new and better ways
  • Reach outside the mainstream to adopt the best of all communities: open source, Agile, programming, etc.
  • Continuously improve and don't be content with the status quo. Code can always be better expressed, more elegant and simple, higher in quality


We are currently looking for driven, motivated JavaScript developers with Agile engineering experiences and solid technical skills to join our team. More specifically we are looking for the following qualifications:

  • 1+ years of experience developing web applications
  • 4 year college degree in computer science or engineering is preferred
  • Strong understanding of core JavaScript and functional programming fundamentals
  • Strong knowledge of HTML and CSS and other front-end web design concepts
  • Strong understanding and hands-on experience with at least one JavaScript application framework such as Angular, React, Node, Ember or similar
  • Experience with JavaScript frameworks like Lodash, RxJS, Bluebird, jQuery or similar
  • Experience with front-end build and package management tools such as Gulp, Grunt, Browserify, Yeoman, Bower, npm or similar
  • Experience working with RESTful Web APIs
  • Experience using git-based workflow tools and concepts (GitHub, Branching, Pull Requests or similar)
  • Experience using and writing automated tests with a test runner (Jasmine, Mocha, QUnit or similar)
  • Understanding of full-stack development concepts
  • Understanding of SQL, NoSQL and Document-based storage systems
  • Understanding of asynchronous, parallel and non-blocking programming techniques


Skills that would be a plus include:

  • Experience in full-stack development including asynchronous, parallel and non-blocking programming techniques
  • Experience developing Node.js application development
  • Experience building RESTful Web APIs using Express.js and middleware
  • Experience building native mobile applications using Ionic, React Native, Cordova/PhoneGap or similar tools
  • Experience with LESS or SASS
  • Experience with data visualization tools such as D3, Leaflet, Crossfilter or similar
  • Experience using AMD/CommonJS technologies such as RequireJS, Browserify, SystemJS, Webpack or similar
  • Experience with DevOps and Continuous Delivery tools like Jenkins, Codeship, TeamCity, Vagrant, Puppet, Chef, TravisCI, GoCD or similar
  • Experience with configuring and deploying applications in a cloud environment such as Heroku, AWS, Azure, Digital Ocean, Modulus or similar
  • Experience with configuring and developing using MongoDB, Redis, Couch, or other NoSQL data store
  • Experience with compiled JavaScript languages or tools such as CoffeeScript, TypeScript, Babel or similar


Please let us know about your GitHub profile, any packages you may have published on npm (or similar service), your personal blog or articles/presentation materials you've posted elsewhere!

About Excella

Excella is a technology consulting firm serving commercial, non-profit and federal clients in the Washington, DC area. Excella builds innovative custom software solutions with a strong focus on Agile engineering practices. We believe that great work leads to great things – for our clients and our employees. We are growing fast and need passionate, innovative people who love working with technology and are ready to make an impact.

Here’s what you can expect from us:

  • We care about our employees. In fact, we're consistently ranked as a “Best Place to Work”.
  • You’ll work with great people who love what they do: our team includes published authors, certified trainers, and internationally renowned speakers.
  • We have a “bring your own device” workplace and will provide an allowance for a new computer of your choice – Mac or PC. It’s up to you.
  • We’ll invest in your career – including yearly 3 days of paid professional development time including travel and registration fees to attend training or a conference, as well as tuition assistance for degrees and certifications.
  • Starting day one, every employee is bonus eligible and receives 15 days of paid vacation, 6 federal holidays, and 4 floating holidays.
  • You can bike, drive or metro to work – our commute reimbursement plan has you covered.
  • You’ll have fun! We hold monthly social events all year long



Excella is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law.



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