Frontend Developer (Junior & Senior)
Location:
Based in or around
Cardiff
(hybrid working model)
Type:
Full-time, permanent
About the Role
We're looking for
Junior and Senior Frontend Developers
to join our collaborative Cardiff-based team. You'll work closely with designers, backend developers and product managers to build and maintain modern, user-friendly web applications with a strong focus on
React
.
Whether you're early in your career or have years of experience, we want to hear from you if you're excited about creating high-quality digital products and growing within a supportive environment.
Responsibilities
* Develop and maintain responsive web interfaces using
React
.
* Work closely with team members across design and backend to deliver great user experiences.
* Write clean, maintainable, well-documented code.
* Contribute to code reviews and best practice discussions.
* Troubleshoot and resolve performance or usability issues.
* Senior level
: Take a lead role in technical decision-making, mentor junior team members and help shape our frontend architecture.
Requirements
Essential
* Solid knowledge of
React
and modern JavaScript.
* Professional experience (Junior: 1–2 years / Senior: 4+ years).
* Strong understanding of HTML5, CSS3 and responsive design.
* Familiarity with Git and collaborative workflows.
Desirable / Nice to have
* Experience with
TypeScript
.
* Laravel knowledge or full-stack skills (e.g. PHP, Go or ).
* Familiarity with automated testing or CI/CD pipelines.
What We Offer
* Competitive salary based on experience.
* Hybrid working
– mix of remote and on-site collaboration in Cardiff.
* A friendly, supportive and innovative team culture.
* Opportunities for professional growth and training.
By joining Delio, you can expect
* 25 days holiday (plus bank holidays), increasing with length of service
* Access to our employee share incentive scheme
* Extra day off for your birthday
* Hybrid / flexible working policy
* Private medical insurance and Death-in-service benefit
* Defined contribution pension scheme