ROAST is a multi-award-winning independent performance media agency, founded in 2015. We proudly work with brands like Rightmove, Experian, and LEON, with one clear goal: to deliver better return on advertising spend (ROAS) than anyone else.

How do we do it? By combining both media intelligence and data science, along with constant experimentation, we create solutions that will drive the biggest impact.

But none of this works without exceptional people – which is why we put talent first, always. Training, progression, and opportunities to learn are baked into how we work. We want our people to feel happy, supported, and inspired.

Exceptional company culture isn’t an add-on at ROAST – it’s the engine. It powers everything: creativity, collaboration, retention, results. We’re proud of the culture we’ve built, because it’s authentic and intentional. Rooted in shared values, not just surface perks.

ROAST have created a place where people belong, grow, and do their best work – together.

We’re looking for a data‑driven CRO Manager to lead our experimentation and optimisation efforts across client projects. You’ll be responsible for designing, executing, and analysing tests to improve user journeys, increase conversion rates, and drive measurable business growth.  

This is a role for someone who can operate both strategically (setting the roadmap) and hands‑on (running experiments, analysing results), working closely with UX, analytics, development and client teams.

• Develop and own CRO strategy for multiple clients, aligned with their business goals (e.g. revenue, lead‑generation, retention) 

• Build and maintain testing roadmaps & programmes (A/B, multivariate, etc.) to prioritise ideas and ensure continuous optimisation 

• Conduct both qualitative (user research, heuristic analysis, session replay) and quantitative (analytics, funnel, heatmaps) research to identify friction points and optimisation opportunities 

• Generate hypotheses and design test variants in collaboration with UX/design and development teams 

• Ensure proper tracking and analytics setup for experiments, including defining KPIs, ensuring data quality, and rigorous test governance 

• Execute tests: build, QA, launch, monitor performance, and analyse post‑test results 

• Translate insights into actionable recommendations, optimisations, and iterations 

• Present findings to clients, demonstrating impact, learnings, and next steps 

• Collaborate with cross‑functional stakeholders: product, content, marketing, development, etc. 

• Maintain up‑to‑date knowledge of CRO tools, trends, methodologies, and best practices 

Experience

• Minimum of 3 years working in CRO 

• Hands‑on experience with A/B testing / multivariate testing tools (e.g. Optimizely, VWO, AB‑Tasty, etc.) 

• Strong knowledge of web analytics tools (e.g. Google Analytics / GA4, Adobe Analytics, or similar) 

• Experience with qualitative tools (e.g. user testing, session replay, heatmaps) desirable 

• Good grasp of front‑end basics (HTML, CSS, JavaScript) to work with developers and QA experiments 

• Strong analytical mindset: comfortable handling data, interpreting results statistically, generating insights from large datasets 

• Excellent communication and presentation skills — able to explain complex insight in a way non‑technical stakeholders understand 

• Strong project management skills: managing multiple concurrent experiments, prioritising based on impact & effort 

Location: V&A Waterfront, Cape Town

Holidays: 21 days increasing with length of service,  national holidays, Christmas Eve and New Year’s Eve off; optional company trips

• Hybrid working arrangements
• Additional 10 days ‘work from anywhere in the world’
• Discounted wellbeing classes / membership
• Active company social life organised by a staff committee
• Lots of opportunity for involvement in CSR, sustainability and charity initiatives
• Training, including supplier sessions (e.g. Google), industry bodies (e.g. IAB), external trainers
• Opportunities to learn about other digital marketing disciplines

Our hybrid-working model allows you some variety on your place of work, offering you the chance to work from home where possible. You will be expected to attend the office in line with our company policy. All staff liaise closely with their line manager to manage their time appropriately and according to their work and team requirements.

We are an equal opportunities employer.  

At ROAST, we take pride in creating a diverse, equitable and inclusive environment where everyone is welcome and their contributions are valued. When we recruit, hire, train, promote or engage in any other employment practice, we are committed to being an inclusive employer regardless of race, religion, gender identity, sexual orientation, national origin, age, socioeconomic status, medical condition or disability, or any other protected status.

If you have a disability we would be happy to discuss reasonable adjustments to the job with you.

Please note that we will only accept applications from candidates who are legally entitled to work in South Africa.

Please beware of scams online or from individuals claiming to represent us. A ROAST employee will never solicit candidates through a non-ROAST email address or phone number / WhatsApp. Please refuse any request that asks you to provide payment to participate in the hiring process.