Senior web developer

If you're a talented, experienced web developer who wants to work for a leading digital agency get in touch!


As key members of a fast-paced, top-5 rated UK digital agency, web developers at Onespacemedia implement and support industry-leading, responsive websites and web applications as part of the company’s high-quality digital product offering. Working closely with the design team, our developers build websites and applications for clients across a number of market sectors. With assistance from the commercial and design teams, each developer takes responsibility for supporting and resolving a project’s technical issues through to successful deployment.

Developers work primarily in Python and Django on the back-end, and use a number of responsive technologies to deliver outstanding quality across mobile, tablet and desktop devices.


Technical delivery

  • Champion and implement industry-leading development best practices to ensure a high-quality web deliverable on every project.
  • Work closely with the team’s Lead Developer to work within a company-wide development workflow - helping to enforce a consistent and streamlined process and highlight opportunities for improvement where necessary.
  • Implement robust, high-quality, CMS managed websites and custom web applications to project deadlines.
  • Provide support and guidance to members of the production team on back-end methodologies where required.

Project delivery

  • Work to implement technical work on-spec and on-time.
  • Make educated development suggestions in the case of an unconventional or hard-to-manage design vision.
  • Proactive management and resolution of development issues that arise during a project’s life-cycle.
  • Help to thoroughly test and iterate on development work to ensure it’s client-ready before it’s shared externally.
  • Communication of potential commercial issues to a member of project management in a timely and accurate manner.

Technology skills


  • Excellent knowledge of Python and the Django web framework.
  • Full competence with Unix server environments and shell scripting.
  • Experience with Git on the command-line.
  • HTML5/CSS3/ & PostCSS.
  • JavaScript and Vue.js experience.
  • PostgreSQL (or another SQL) database administration experience and excellent understanding of relational database management within Django applications.
  • Excellent knowledge of cross-browser compatibility issues and their resolution.
  • Experience with popular third-party API integrations.
  • An excellent technology generalist with an interest in the future of the Internet and its technical direction.

Need to

  • Knowledge of responsive frameworks.
  • Good knowledge of popular mobile hardware devices. Experience with Wordpress.


  • Excellent attention to detail and diligence during the development process.
  • A natural problem solver with a positive attitude - and also with an appreciation for Onespacemedia’s commercial obligations and brand reputation.
  • A professional commitment to quality and transparency.
  • A good verbal and written communicator, with experience dealing directly with clients if it’s necessary.
  • A team player who isn’t afraid to get involved in wider company discussions and support and mentor others if the opportunity arises.


  • 3+ years commercial (and preferably, agency) experience in a full-stack or back-end development position.
  • Technical or multimedia degree preferable (Comp Sci, Graphic Design, Multimedia Production) but not compulsory.