Global Website Performance & CRO Specialist

SThree; Greater London; On-site; GBP 45,000 - 65,000; Full time

Job summary

SThree is seeking a Global Website Performance Specialist to optimise our global website, improving user journeys from first click to conversion. You will analyse user behaviour, run experiments, and implement CMS changes to lift performance across B2B and B2C audiences.

You will collaborate with Content and Digital Marketing, ensure landing pages and CTAs are conversion-focused, and scale successful approaches across the site, driven by data and commercial priorities.

Qualifications

• 3-5 years' experience in website optimisation, CRO, UX, web analytics, or digital marketing.
• Hands-on CMS experience.
• A/B testing and experimentation.
• Google Analytics and behavioural analytics tools.
• Understanding of paid and organic acquisition channels.
• Strong commercial awareness and problem-solving skills.
• Confidence collaborating with and influencing cross-functional teams.
• Experience with Umbraco or a similar enterprise CMS.
• Experience across both B2B and B2C journeys.
• Understanding of accessibility principles and market-specific user behaviours.

Responsibilities

• Analyse user journeys across B2B and B2C audiences to identify friction points, drop-offs, and conversion opportunities.
• Improve landing pages, content, CTAs, and customer journeys in partnership with Content and Digital Marketing teams.
• Ensure paid and organic traffic is directed to effective, conversion-focused landing experiences.
• Identify successful pages and journeys, understand why they perform well, and scale those best practices across the website.
• Build and update pages within the CMS to improve user experience and conversion performance.
• Review navigation, information architecture, and internal linking to make the website easier to use.
• Design and run A/B tests where appropriate, balancing experimentation with proven best practices.
• Measure the impact of changes and use insights to drive continuous improvement.

Skills

Analytics

UX principles

A/B testing

Content collaboration

Data-driven decisions

Cross-functional teamwork

Commercial awareness

Problem solving

Tools

Google Analytics

Umbraco CMS

Job description

SThree is seeking a Global Website Performance Specialist to optimise our global website, improving user journeys from first click to conversion. You will analyse user behaviour, run experiments, and implement CMS changes to lift performance across B2B and B2C audiences.

You will collaborate with Content and Digital Marketing, ensure landing pages and CTAs are conversion-focused, and scale successful approaches across the site, driven by data and commercial priorities.