Conversion Rate Optimisation Specialist

Jellyfish·Parismid

In short

→Especialista en optimización de tasas de conversión para marcas de lujo en Francia.
→Diriges pruebas A/B, auditorías de viaje del usuario y estrategias de personalización con datos.
→Posibilidad de crecer hacia un rol de liderazgo en CRO, con trabajo híbrido en París.

Professional-level English is required

In ~1 minute you get: who interviews you, the likely questions answered from your CV, and your CV tailored to this job. Free, no card.

🎧Land the interview? Bring the copilot. Our free extension listens to the live interview and flashes 3-4-word anchors from your resume and prep — glance, connect, talk. Get the extension →

What they ask for

✓Fluidez en francés y nivel profesional de inglés.
✓Más de 2 años en CRO o optimización de experiencias digitales.
✓Experiencia con pruebas A/B y MVT usando herramientas especializadas.
✓Capacidad para analizar comportamiento de usuarios y mapas de viaje.
✓Habilidades para traducir datos en estrategias accionables.
✓Aptitud para colaborar con equipos y clientes, construyendo relaciones duraderas.

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

A/B testing platformswebsite optimisation toolsweb analyticsapp analyticsproduct analyticsheatmappingform analyticslive user testingcustom reportingdata-mapping

Who should you write to at Jellyfish?

Your free dossier identifies the people who'd interview you — their background, what they value, and how to reach out so you stand out before applying.

At Jellyfish, we believe in the power of diverse perspectives and inclusive collaboration. We welcome individuals who excel in collaborative, varied teams and value the unique contributions that each person brings to the table. Jellyfish is a global digital marketing agency; a unique fusion of tech enthusiasts, creative minds, and media and data experts all united to empower our clients along their digital journey. Our commitment to embracing diverse perspectives fuels our innovation and strategies that challenge the status quo, reinvent media activation, and craft influential stories for our global clients and their customers. Join us in shaping a future where business growth and personal fulfilment go hand in hand. Job Description Reporting to the Experience Optimisation Director, you will play a key role in developing and implementing experience optimisation and conversion rate optimisation (CRO) strategies for a French multinational holding company specialising in luxury goods. We take pride in delivering data-led experimentation, personalisation, and deep analytical insights for premier global brands, setting us apart in the industry. At Jellyfish, we are committed to fostering professional growth. Your career path could lead to progression into a CRO Senior Manager position with future potential to lead the practice. This is a hybrid position, based out of our Paris office. The gross annual salary range for this position is between EUR 38,000-42,000, and the final offer is dependent on experience. Responsibilities Lead client meetings with a key luxury account to translate their business needs into strategic optimisation roadmaps aligned with their goals, driving measurable value and high client satisfaction. Be the subject matter expert in conversion rate optimisation (CRO), experience optimisation, measurement, and marketing analytics across the client's brands. Execute full-lifecycle user journey audits, research, continuous experimentation, and cross-channel activation campaigns to deliver actionable insights. Define custom reporting and data-mapping requirements, collaborating cross-functionally to align technical solutions and timelines with strategic rationale. Provide mentorship and escalation support for junior team members to foster professional growth and resolve operational challenges. Qualifications Fluency in French and professional-level English is required given the scope of work and the client teams. Over 2 years of experience in end-to-end experience optimisation or CRO, including defining, launching, and evaluating A/B and Multivariate Testing (MVT) Campaigns using A/B testing platforms or website optimisation tools. The ability to analyse user behaviour and map customer journeys from initial discovery to final measurement, ideally within the luxury, beauty or fashion industries. Proficiency in web, app and product analytics combined with qualitative research tools (heatmapping, form analytics, live user testing) to uncover user behaviour insights. Analytical and strategic mindset, with the ability to translate complex quantitative and qualitative data into actionable findings, recommendations, and optimisation roadmaps. You love getting to know your clients, developing long-lasting relationships and adding value to their business. When faced with a problem, you collaborate with the appropriate people to evaluate different options find practical solutions. Note: We emphasise skills, expertise and behavioural attributes over years of experience and traditional degrees. If you want to join our collaborative team, we invite you to apply today with your resume in English. Additional Information Join Jellyfish and experience a workplace where we prioritise your growth, celebrate your contributions, and empower you to tailor your work environment to suit your needs. 💰 Reward: You'll be eligible to join our discretionary annual bonus scheme.

Looking for something similar?

Leave your email and we'll alert you when matching jobs appear.

Don't apply unprepared

We research who's interviewing you, tailor your CV and rehearse you live — first one free.