Optimisation Consultant

Harnham; Greater London; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

Harnham is seeking an Optimisation Consultant to work in Surrey or remotely. This role involves leading experimentation and optimisation programmes while serving as the main contact for clients. A strong background in digital optimisation and analytics is essential.

The successful candidate will have a proactive mindset, capable of interpreting data and conveying technical concepts. This position offers a competitive salary and the opportunity to significantly impact client outcomes through digital improvements.

Qualifications

• Strong commercial experience in digital optimisation, experimentation, analytics, UX, or web performance.
• Confidence working with data and interpreting results to inform decisions.
• Solid understanding of web technologies and the ability to explain technical concepts clearly.
• Experience managing stakeholders and communicating with non-technical audiences.
• Highly organised, adaptable, and comfortable working across multiple projects.
• A curious, proactive mindset with a genuine interest in improving digital experiences.

Responsibilities

• Act as the primary point of contact for a portfolio of clients, owning day to day delivery and relationships.
• Lead experimentation and optimisation programmes end to end, from ideation and roadmap planning through to analysis and iteration.
• Develop test hypotheses using data, UX insight, and commercial context.
• Manage timelines, documentation, and stakeholder communication to ensure successful delivery.
• Analyse test results and translate data into clear, actionable insight.
• Work closely with internal specialists to deliver high quality optimisation outcomes.

Skills

Digital optimisation

Experimentation

Analytics

UX

Web performance

Job description

Optimisation Consultant

Surrey or hybrid working | Competitive salary and benefits This is a chance to step into a highly visible optimisation role where your ideas, insight, and delivery directly influence how digital experiences perform. You will work across experimentation, personalisation, and data driven decision making, partnering closely with clients to help them learn faster and optimise smarter.

The Company

They are a fast growing UK based digital optimisation and experimentation business working with a wide range of consumer focused organisations. Their platform and consulting capability support teams to test, learn, and improve online experiences through data led insight. Collaboration, curiosity, and continuous improvement sit at the heart of how they work, with a strong focus on building long term value for clients and teams alike.

The Role

• Act as the primary point of contact for a portfolio of clients, owning day to day delivery and relationships
• Lead experimentation and optimisation programmes end to end, from ideation and roadmap planning through to analysis and iteration
• Develop test hypotheses using data, UX insight, and commercial context
• Manage timelines, documentation, and stakeholder communication to ensure successful delivery
• Analyse test results and translate data into clear, actionable insight
• Work closely with internal specialists to deliver high quality optimisation outcomes

Your Skills and Experience

• Strong commercial experience in digital optimisation, experimentation, analytics, UX, or web performance
• Confidence working with data and interpreting results to inform decisions
• Solid understanding of web technologies and the ability to explain technical concepts clearly
• Experience managing stakeholders and communicating with non technical audiences
• Highly organised, adaptable, and comfortable working across multiple projects
• A curious, proactive mindset with a genuine interest in improving digital experiences

How to Apply

If you are looking to grow your impact in experimentation and optimisation, apply now to find out more about this opportunity.