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Senior Optimisation Manager

The purpose of this role is to lead and manage the implementation and execution of CRO strategies and the day-to-day communication with clients to help achieve their goals.

Job Description:

Introduction to the dentsu Optimisation & UX team

We are part of one of the world's largest digital-first end to end media agencies, and offer CRO & UX to some of the world's top companies. We run our team as a smaller agency so you get the security of a large agency network, and the autonomy of an independent agency. You will be part of a close-knit team of specialists that work together to create customer focused strategies to improve our clients' website experiences. We are growing our CRO department and are looking for people to lead our CRO and UX projects.

Our clients include Specsavers, Asda, Dr Martens, Honda, Pets at Home, People's Postcode Lottery, Jurys Inn and more.

Whether you have a background in CRO and A/B testing, User Research, UX Design, Ecommerce trading, Digital Marketing or Data analysis, if you want to gain experience working for a leading agency and super-charge your career then please don't hesitate to apply.

Key responsibilities:

As a Senior Optimisation Manager, you will manage a team of CRO & UX specialists that offer end-to-end Optimisation & UX delivery across clients. Whilst you will be the senior escalation point for your team and clients, you will have the support of the senior leadership team and people in similar roles, meaning you will have the freedom to make your mark on our department, but in a supportive environment.

As a Senior Optimisation Manager (POD Lead) your focus will be to:

  • Lead a team of CRO & UX Specialists, including Strategists, Designers, Data Analysts, Researchers and Developers. This will include resource management, prioritisation and the direct management of the team. You will have support from experts in Data, Design, Research and Development so don't need to be experienced in all these disciplines.

  • Oversee a portfolio of client accounts, providing guidance to the teams leading each account, ensuring that our clients get value for their investment

  • Review your teams client strategies, ensuring they align with long-term client objectives. These can include but are not limited to A/B testing, a page/journey redesigns, optimisation of the acquisition journey and site speed optimisation.

  • Be accountable for your clients, determining potential threats and finding solutions to keep clients happy and investing in our services

  • Lead annual, quarterly and monthly reviews for clients, communicating the success of our optimisation programmes with senior client stakeholders

  • Instill a culture of evidence-based approach to website optimisation throughout the team, using quantitative and qualitative methods to truly understand our clients' products and customers.

  • Direct resource planning for your team, working with the Strategists to set deadlines and prioritise activity.

  • Build relationships with our wider agency teams; such as PPC, SEO, Social, Affiliates, Analytics etc. Using these relationships to find ways to collaborate

  • Find areas for revenue growth, increasing your client investment, finding cross-sell opportunities or working with our sales team to bring in new clients

  • Organise and deliver training sessions for all members of the team

  • Analyse our proposition and work with your team to advance our services, innovating and harnessing the skills of the team to ensure we're at the forefront of CRO in the market

We are looking for:

The successful candidate will need to be able to manage a team and portfolio of clients so the following skillsets are required:

  • Direct management experience including creating and following personal development plans.

  • You need to have comprehensive knowledge of CRO and UX, covering A/B-testing, personalisation and UX projects

  • Excellent communication skills, being able to lead difficult client calls/meetings at short notice and steer them to actionable conclusions

  • Ability to mentor and coach your team on all things CRO, and instill a desire for them to continually learn and develop

What we offer

  • This is a permanent role

  • The team is based in our London or Manchester office but operates under flexible working arrangements

  • As well as a competitive salary, you'll enjoy a benefits package that you can tailor to your needs

Inclusion and Diversity

At Dentsu, we embrace diversity and inclusion, valuing the unique perspectives and contributions of every individual. We believe that diversity fuels creativity and innovation, benefiting our employees, partners, and communities.

We welcome applications from all individuals, regardless of race, ethnicity, nationality, religion, gender, gender identity, sexual orientation, age, disability, marital status, or any other protected characteristic. Beyond recruitment, we strive to create an environment where everyone feels respected, supported, and empowered to bring their authentic selves to work.

We recognise the importance of work-life balance and are open to discussing flexible working arrangements for all roles. If you need reasonable adjustments due to a disability or medical condition during our recruitment process, please contact us at accommodations@dentsu.com, quoting the reference number of the role that you are applying for. Your needs will be handled with respect and confidentiality to ensure an inclusive and accessible experience.

#LI-Hybrid

Location:
London

Brand:
Amplifi

Time Type:
Full time

Contract Type:
Permanent

Senior Optimisation Manager

London, UK
Full-Time

Published on 03/07/2026

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