Senior UI Developer in London - Randstad Technologies

Role: UI developer

Type: Permanent

Location: London, UK

We are a global digital-first technology services firm looking for a Senior UI Developer to join our high-performing team in London.

You will be responsible for executing sophisticated visual designs and building complex web applications within an Agile environment. This role is perfect for someone who balances technical rigor with an impeccable eye for design "visual grammar."

• Experience: 8+ years of professional front-end development.
• Tech Stack: Expert-level JavaScript (OOJS), TypeScript, ReactJS, NextJS, HTML5, and CSS3.
• Integration: Proven experience integrating with RESTful Web Services.
• Precision: Ability to maintain technical standards while delivering polished, high-end functionality.
• Collaboration: Comfortable navigating stakeholders and working alongside UX/Design teams.

• Experience with web animation/visualization libraries (D3.js, HighCharts).
• Knowledge of Accessibility (A11y) and semantic HTML5.
• Familiarity with Java or server-side development.
• Experience working with Content Management Systems (CMS).

Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.