Interested in the career below? Are you ready to join a dynamic team in Seattle?

Shoot us a resume and cover letter to [email protected].


Twelve23 is looking for a Full-Stack Web Developer to join our team. We are a boutique firm located in Seattle that offers the perfect environment for someone who prefers working in a laid back atmosphere. Your role as one of our full-stack developers will include designing and developing software applications, both alone or with the team, as well as assisting clients with requests, and supporting other team members where appropriate. You will have the opportunity to take the lead in developing streamlined solutions for a variety of clients ranging from multinational corporations to local family businesses and startups.

NOTE: LOCAL CANDIDATES ONLY PLEASE. Our team is based primarily in our Seattle office. While working from home or remotely is an occasional option, we do our best work face-to-face in an open, communicative environment.


  • Gather requirements and prepare documentation for software development & testing.
  • Work collaboratively with design and account teams.
  • Extensive development including but not limited to: implementing client requests, writing tests, server configuration (bash, nginx, etc), UX/UI implementation, etc.
  • Clearly communicate technical challenges with key stakeholders.
  • Provide proactive and positive user support for clients and team members in need.


  • Expert working knowledge of web fundamentals: like HTML/CSS, Javascript, DNS, etc.
  • Expert working knowledge of PHP and MySQL
  • Experience with Bootstrap, LESS, SASS, or other CSS frameworks
  • Experience with Laravel or other modern MVC frameworks (Symfony, Zend)
  • Strong working knowledge of Git
  • Strong communication and organizational skills


  • Experience with AWS or other PaaS
  • Experience with Javascript frameworks (ex. React, Angular, Vue)
  • Experience with command line tools and applications


Send your cover letter and resume. We'd also love to check out your public code repository if you have one.

Job Type: Full-time

Salary: $90,000.00 to $120,000.00 /year