Senior Conversion Rate Specialist

AJ BELL BUSINESS SOLUTIONS LIMITED; York and North Yorkshire; Hybrid; GBP 45,000 - 49,000; Full time

Benefits offered by this job

Hybrid working

26 days holiday

Pension with matched contributions

Discretionary bonus

Share schemes

Private healthcare

Employee Assistance Programme

Learning and development

Casual dress code

Job summary

AJ Bell, based in London, seeks a Conversion Optimisation Specialist to lead measurements and experiments that improve digital conversion across our platforms. You will design and run A/B and multivariate tests, interpret results, and translate insights into practical improvements for customer journeys.

The role offers hybrid working with office presence and strong exposure to analytics and UX collaboration.

Qualifications

• Experience designing and executing conversion optimisation tests.
• Strong practical understanding of web technologies and HTML.
• Familiarity with optimisation tools and platforms.
• Experience using data analytics tools (Contentsquare, GA4).
• Awareness of UX and CX design principles.
• Experience working with web developers.
• Competent in JavaScript and Google Tag Manager.
• Advanced Excel skills.
• Strong communication skills with the ability to translate concepts into briefs and designs.
• High attention to detail.
• Able to work in teams and independently.
• Hard-working with a quick learning curve.

Responsibilities

• Develop the testing roadmap with the Experimentation Manager.
• Design and execute A/B and multivariate tests to optimise website elements, journeys and conversion funnels.
• Complete test analysis and communicate insights to stakeholders.
• Provide regular updates on progress and performance metrics.
• Become a platform super-user and deliver tests and metrics end-to-end.
• Monitor and analyse website and digital performance using analytics and feedback tools.
• Translate insights into actionable recommendations and test backlog ideas.
• Collaborate with UX/UI designers and developers to improve the digital experience.
• Work with marketing, product, technology and UX teams to execute the roadmap.
• Act as the main contact for cross-functional requirements.
• Manage relationships with third parties to support the experimentation agenda.
• Stay up to date with industry trends and best practices.
• Evaluate competitor sites and identify differentiation opportunities.
• Continue to benchmark performance and identify opportunities for innovation.

Skills

Conversion testing

Web technologies

Analytics tools

UX/CX understanding

Team collaboration

JavaScript

Excel

Communication skills

Attention to detail

Independent work

Tools

Webtrends Optimize

Optimizely

Contentsquare

GA4

Google Tag Manager

Excel

Job description

Salary: £45,000 - 49,000 per year

Requirements:

• Previous experience designing and executing conversion optimisation tests
• Strong practical understanding of web technologies and HTML
• Familiarity with optimisation tools and platforms, preferably Webtrends Optimize and Optimizely
• Experience using data analytics tools, preferably Contentsquare and GA4
• Awareness and understanding of UX and CX design principles
• Experience working with web developers
• Competent in JavaScript and Google Tag Manager
• Advanced Excel skills
• Strong communication skills, with the ability to interpret and translate concepts into clear written briefs and designs
• High attention to detail
• Ability to work well in teams and independently
• Hard-working with a strong work ethic and willingness to learn quickly

Responsibilities:

• Develop the testing roadmap alongside the Experimentation Manager, ensuring experimentation outcomes align with our regulatory obligations
• Design and execute A/B and multivariate tests according to the agreed roadmap to optimise website elements, user journeys and conversion funnels
• Complete test analysis and communicate insights to internal stakeholders
• Provide regular updates on progress and performance metrics to ensure transparency across the wider business
• Become a platform super user, independently developing tests and metrics on the experimentation platform through to delivery
• Monitor and analyse website and digital performance using web analytics and customer feedback tools
• Translate insights into actionable recommendations, identifying testing opportunities and iterations to inform the test backlog
• Work with UX/UI designers and developers to implement user‑friendly design principles and improve the overall digital experience
• Collaborate with marketing, product, technology and UX teams to execute the testing roadmap
• Act as the key point of contact for cross‑functional teams to gather requirements that support their activity and strategy
• Manage the working relationship with third parties to support the experimentation agenda, delivering agreed tests and analyses
• Stay up to date with industry trends, emerging technologies and best practices in conversion optimisation, UX/UI design and digital marketing
• Evaluate competitor websites and benchmark performance to identify opportunities for differentiation and innovation

Technologies:

• Excel
• Support
• JavaScript
• Marketing
• Web
• UX UI Design

More:

Based in London, we are part of the CX and Experimentation team and are focused on driving the enhancement of our direct‑to‑consumer business through improved conversion rates across our digital platforms. We are AJ Bell, one of the UKs fastest‑growing investment platform businesses, providing award‑winning solutions for everyone from professional financial advisers to first‑time investors. More than 723,000 customers trust us to manage over £108.7 billion of assets. We are proud to be recognised as one of the UKs Best 100 Companies to Work For for six consecutive years and a Great Place to Work in 2025 and 2026, reflecting our supportive and collaborative culture. We offer 26 days holiday increasing with service, a buy/sell scheme, bank holidays, a 7% pension with matched contributions, a discretionary bonus scheme, share schemes including free shares and BAYE, a health cash plan and discounted private healthcare, enhanced family leave subject to qualifying criteria, travel and bike loan schemes, an Employee Assistance Programme, regular social events, learning and development opportunities tailored to you, a casual dress code, and a friendly, supportive team environment. We offer hybrid working with a minimum of 50% of your working time per month spent in the office, and new starters begin with an initial period of full‑time office working to help them settle in and build relationships. We are committed to inclusion and diversity and welcome applications from all backgrounds, making hiring decisions based on skills, experience and potential.

last updated 40 week of 2026