Senior CRO Developer

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London / £45000 - £60000 annum

INFO

Salary

SALARY:

£45000 - £60000

Location

LOCATION

London

Job Type
JOB TYPE

Permanent

Senior Front End Developer (CRO)
London, Hybrid
Salary up to £60,000

This is an opportunity to join a growing experimentation and digital optimisation team where your work directly influences how leading brands improve their online performance. You will play a key role in delivering high quality A B testing solutions, owning experimentation from concept through to implementation while contributing to a collaborative, learning focused environment.
The Company
They are a specialist digital optimisation consultancy focused on combining analytics, SEO, and experimentation to improve user experience and conversion performance. Their work centres on identifying opportunities through data and validating impact through testing. They foster a culture that prioritises innovation, continuous learning, and professional growth. The team is collaborative and values sharing knowledge to deliver meaningful results for clients.
The Role
You will take ownership of building and delivering experimentation programmes, working closely with cross functional teams to create impactful test experiences.
  • Build and implement A B tests using HTML, CSS, and JavaScript
  • Own the technical design and delivery of experimentation solutions
  • Configure and manage tests within platforms such as Optimizely, VWO, or AB Tasty
  • Collaborate with analysts, designers, and strategists to translate ideas into live experiments
  • Ensure robust QA processes and maintain clear documentation
  • Act as a technical point of contact for clients and internal stakeholders
  • Contribute to best practices and support continuous improvement across the team
  • Mentor and support junior developers where required
Your Skills and Experience
  • Strong commercial experience in front end development using HTML, CSS, and JavaScript
  • Hands on experience with CRO and experimentation platforms such as Optimizely, VWO, AB Tasty, or similar
  • Ability to design, build, and troubleshoot experimentation solutions
  • Experience working in client facing or multi stakeholder environments
  • Strong problem solving skills with attention to detail
  • Ability to manage multiple projects and communicate technical concepts clearly

How to Apply
If this sounds like the right next step in your CRO and front end development career, apply now to learn more.



CONTACT

Joe Kourtis

Recruitment Consultant

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