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- Tasks: Drive conversion performance through hands-on CRO and experimentation across digital platforms.
- Company: Dynamic digital marketplace with a tech-driven culture and global reach.
- Benefits: Competitive day rate, fully remote work, and impactful projects.
- Other info: Join a collaborative team focused on innovation and growth.
- Why this job: Make a real difference in a fast-paced environment while enhancing your skills.
- Qualifications: Experience in front-end development, CRO, and data-driven optimisation.
This is a high-impact CRO Developer contract where you will play a pivotal role in accelerating experimentation and conversion performance across a well-established digital product. The project is ideal for someone who thrives in hands-on environments, can move quickly from insight to implementation, and wants to see a direct link between their work and commercial outcomes.
They are a digital-first marketplace operating in a highly competitive consumer space, with a strong technology-led culture and an established international presence. The business has reached a mature stage of growth and is now heavily focused on optimisation and revenue performance. With distributed engineering teams and a strong product mindset, they prioritise experimentation, data-driven decision-making, and rapid iteration.
The Role and Deliverables
- Own and deliver a CRO and experimentation roadmap across web and digital touchpoints.
- Design, build, and implement A/B and multivariate tests using modern experimentation platforms.
- Work hands-on with front-end code to deploy experiments in a React and Next.js environment.
- Partner with product, engineering, and analytics teams to identify and prioritise high-impact tests.
- Analyse experiment performance using web analytics tools and translate results into actionable insight.
- Contribute new ideas and optimisation opportunities across the wider customer journey, including non-web channels where relevant.
Your Skills & Experience
- Strong experience as a front-end developer with a focus on CRO and experimentation.
- Proven capability working in data-led optimisation or experimentation environments.
- Deep understanding of web analytics and experiment measurement, including tools such as GA4 or similar.
- Hands-on experience with CRO platforms such as VWO, Optimizely, GrowthBook, or equivalent.
- Comfortable operating in fast-paced, hands-on teams with minimal onboarding.
- Background in agency, marketplace, or high-growth digital businesses is highly relevant.
If you are a CRO-focused front-end developer looking for a strategic, hands-on contract with clear commercial impact, please apply with your CV.
CRO Developer in London employer: Harnham - Data & Analytics Recruitment
Contact Detail:
Harnham - Data & Analytics Recruitment Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land CRO Developer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage in online forums. The more people you know, the better your chances of landing that CRO Developer gig.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best A/B tests and optimisation projects. This will give potential employers a taste of what you can do and how you can drive conversion performance.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and being ready to discuss your past experiences. Be ready to share specific examples of how you've used data-driven insights to improve conversion rates.
✨Tip Number 4
Don't forget to apply through our website! We make it easy for you to find roles that match your skills and interests. Plus, it shows you're serious about joining our team!
We think you need these skills to ace CRO Developer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience in CRO and experimentation. We want to see how your skills align with the role, so don’t be shy about showcasing relevant projects and achievements!
Showcase Your Technical Skills: Since this role involves hands-on coding, include specific examples of your work with React, Next.js, and any CRO platforms you've used. We love seeing practical applications of your skills!
Highlight Data-Driven Decisions: Emphasise your experience with web analytics tools like GA4. We’re keen on candidates who can translate data into actionable insights, so share any relevant metrics or outcomes from your past experiments.
Apply Through Our Website: We encourage you to apply directly through our website for a smoother process. It helps us keep track of your application and ensures you don’t miss out on any updates!
How to prepare for a job interview at Harnham - Data & Analytics Recruitment
✨Know Your CRO Stuff
Make sure you brush up on your conversion rate optimisation (CRO) knowledge. Be ready to discuss specific A/B tests you've implemented in the past, the tools you used, and the results you achieved. This shows you can not only talk the talk but also walk the walk.
✨Show Off Your Technical Skills
Since this role involves hands-on coding in React and Next.js, be prepared to demonstrate your front-end development skills. You might be asked to solve a coding challenge or explain your approach to implementing experiments. Practise coding problems related to these technologies beforehand.
✨Data-Driven Mindset
This company values data-driven decision-making, so come armed with examples of how you've used analytics tools like GA4 to measure experiment performance. Be ready to discuss how you translated data insights into actionable strategies that improved conversion rates.
✨Collaborative Spirit
Highlight your experience working with cross-functional teams, especially product, engineering, and analytics. Share examples of how you've partnered with others to identify high-impact tests and drive optimisation across the customer journey. This will show you're a team player who thrives in a collaborative environment.