addmustard has an exciting opportunity for a Senior CRO Analyst to join our digital marketing team in Brighton. With support from our data, technology and creative teams, you will play a key role in designing and executing important quantitative and qualitative conversion optimisation tests across desktop, mobile and app. You will be responsible for producing and executing our CRO roadmaps, analysing the results alongside our data team, and presenting important insight, analysis and recommendations to clients. Your aim will be to continuously improve our clients’ conversion KPIs, their customer experience and user journey by understanding trends and identifying test opportunities, whilst considering the client’s strategy, products, market, customers and competitors. This role requires an analytical and creative skill set, as you will need to provide practical, actionable and data-led recommendations whilst also working alongside our designers and developers to input into UI and customer experience considerations. 

You will be part of addmustard’s award-winning team in Brighton, working with entrepreneurial businesses and high growth brands where you will be challenged to develop your skills rapidly. This is a great opportunity to work within a multi-disciplinary team, where you’ll be participating in ground-breaking campaigns across all marketing channels. You will need to have the ability to work under pressure and to commit to delivering results on time.

Key responsibilities

  • Researching, defining and implementing integrated conversion rate optimisation roadmaps across our clients to support the overall account strategy and contribute to the delivery of agreed performance objectives.
  • Auditing client and competitor websites to identify key barriers or opportunities for conversion performance and user experience improvements.
  • Designing and building CRO test hypotheses for multiple client websites, and presenting these to internal and external stakeholders.
  • Planning, set up, monitoring and evaluation of tests across a range of testing software including VWO, Google Optimise, or similar.
  • Producing and presenting insightful analysis, concepts, and reporting to key stakeholders (often C-suite executives).
  • Understanding our clients’ customers through qualitative and quantitative user research, competitor and market analysis provided by both you and our data team.
  • Working to continuously improve the brand and customer experience of our clients’ websites.
  • Creating or interpreting client briefs and going beyond the brief to communicate ideas and concepts to their full potential, with rationale to explain how and why.
  • Gathering and evaluating user requirements in collaboration with product managers and developers.
  • Input into new business development and pitching.

Skills and experience

Essential skills:

  • Multivariate testing experience (A/B testing, MVT etc) and experience using testing tools such as VWO, Google Optimize or similar.
  • Experience setting up tracking and interpreting data via Google Analytics and/or other analytic platforms.
  • Ability to illustrate UI and customer journey ideas using wireframes, storyboards, process flows and sitemaps.
  • A keen eye for visualising analysis and presenting data in a way that can be easily digested and understood.
  • Ability to turn insight into actionable recommendations for your client.
  • Keen interest and knowledge of UX principles and UI advancements.
  • Excellent organisational skills with the ability to prioritise, multi-task, work at pace and to tight deadlines.
  • Strong communication and interpersonal skills.
  • An analytical and creative mind-set.

Desirable, but not essential:

  • Experience in front-end development with a flair for user interface design. 
  • Understanding and interest working and building basic HTML, CSS, JavaScript markup.
  • Experience working in Sketch, Adobe CC and prototyping tools (Invision etc.)
  • Agency experience.

About us

addmustard is a full service, digital marketing agency that works with entrepreneurial businesses to help them to grow efficiently. Put simply, we’re built for entrepreneurs, by entrepreneurs. Our amazingly talented team is made up of those people who do more, think more, and act more (and quite often, celebrate more…) and we are fascinated by the kind of people who get a kick out of delivering something great. Our team has many years of in-house experience with clients, so we understand the pressures and take the responsibility of helping our clients grow their businesses incredibly seriously.

Essentially, we want to attract great people and keep them. And attract great clients and keep them.

Simple, right? That’s where you come in.

Who we’re looking for

Regardless of whether you get your kicks from a night in with a GA dashboard or you’re an authority on acquisition, addmustard is built from individuals who love a challenge. For the most part, we don’t just work with our entrepreneurial clients on individual campaigns or channels, but we immerse ourselves deeply into their businesses and work alongside them to solve fundamental commercial and digital challenges. Which means we need people who love to get right to the nub of a problem and ask the questions that others are avoiding, as well as offering the solutions that have yet to be thought of. We’ve built (and are very proud of) our completely flat and integrated organisational structure –we don’t care where the good ideas come from, as long as they can be turned into something amazing and tangible.

So, if any of the following sound like you, it’s probably time we organised a beer and a chat.

  • You genuinely care about delivering results
  • You think outside the box… is a complete cliché (but do it anyway)
  • You’re an expert in your field, but also love to look holistically across all channels and campaigns
  • You’re hands on and not afraid to get stuck in
  • You’re a passionate problem solver
  • You’re dynamic
  • You’re looking for a working environment where the whole team loves coming to work, supports each other and feels relaxed
  • The idea of socialising with colleagues doesn’t fill you with dread. 

In return for your experience, creativity and incredible mind, we’ll make sure you work with and are trained by industry experts at the forefront of digital marketing. Our senior management is open, honest and transparent which means we regularly share financial, team, and client performance with the whole agency. You can choose the hours you work, provided they fit with our team and clients’ requirements, and you’ll enjoy a bi-annual training budget, generous pension scheme, free gym membership, and ride-to-work scheme. We also offer unlimited holiday. And no, that wasn’t a typo.

addmustard benefits

  • Work with and be trained by industry experts at the forefront of digital marketing channels and platforms
  • Unlimited holiday
  • Flexi time: flexible working hours and work from home, unless you are required for an important meeting at addmustard’s central Brighton office
  • £500 personal training budget, allocated every 6 months
  • Pension scheme, gym membership and ride to work scheme
  • Be part of an amazing, sociable and supportive team with far too frequent nights out/socials/Friday pizza and beers and of course our annual Christmas party abroad!
  • Our senior management is open, honest and transparent. This means we regularly share financial, team, and client performance with the whole agency

How to apply

If we’ve piqued your interest, we’d love to hear from you. Send your CV and a covering letter to, explaining why you think you’d cut the mustard.

Please, no agencies. Thanks.

Department: Data / Design
Contract: Full time, part time or freelance contract will be considered for the right candidate