Senior Growth Manager (B2C Apps & Digital Acquisition)

Onoff; Paris; Hybride; EUR 70 000 - 110 000; Plein temps

Résumé du poste

Onoff is seeking a Growth Marketing lead to own B2C growth for our consumer products in a fast-moving startup environment. You will scale acquisition across paid and organic channels and optimize onboarding, activation, and retention to build a repeatable growth engine.

You will work closely with Product, CRM, Design and Data teams to turn hypotheses into measurable business impact, using experiments and data-driven insights to guide strategy.

Qualifications

• 5+ years in Growth Marketing or similar role.
• Proven track record growing consumer mobile apps.
• Strong knowledge of ASO and app store growth mechanics.
• Experience managing paid channels: Apple Search Ads, Google App Campaigns, Meta Ads.
• Data-driven with experiments and metrics.
• Bilingual in English and French.

Responsabilités

• Own B2C growth strategy for Onoff consumer products.
• Scale paid and organic acquisition channels.
• Improve visibility on App Store and Google Play (ASO).
• Optimize onboarding funnels and activation.
• Run growth experiments and A/B tests.
• Build dashboards to monitor growth metrics.
• Collaborate with Product, CRM, and Engineering teams.
• Test new channels and growth tools quickly.
• Drive data-driven recommendations in strategic discussions.

Connaissances

Growth Marketing

Mobile growth

A/B testing

Data-driven

English & French

Outils

AppsFlyer

Adjust

Branch

Description du poste

Your mission

You'll own B2C growth across our consumer products.

Your objective is straightforward: Accelerate the growth of Onoff’s consumer ecosystem by scaling acquisition, improving activation and building sustainable growth loops.

You'll own the growth strategy across mobile app distribution, App Store Optimization, Google Play, acquisition channels, onboarding funnels, experimentation and conversion optimization.

This is a highly hands-on role.

You'll work closely with our founder, Product, Design, CRM, Data and Engineering teams to transform ideas into measurable growth opportunities.

You won't just execute campaigns. You'll identify opportunities, build hypotheses, run experiments and turn insights into business impact.

What you'll do

• Own B2C growth strategy across our consumer products
• Define and prioritize the highest-impact growth opportunities
• Scale paid and organic acquisition channels
• Improve App Store and Google Play visibility (ASO)
• Optimize mobile acquisition funnels and onboarding journeys
• Increase activation, conversion and retention metrics
• Design and run growth experiments continuously
• Analyze user behavior and identify growth opportunities
• Improve acquisition efficiency and reduce CAC
• Launch referral, partnership and viral growth initiatives
• Build dashboards and monitor key growth metrics
• Work closely with Product teams to improve user experience and conversion
• Collaborate with CRM teams to maximize lifecycle performance
• Test new channels, tools and approaches quickly
• Bring data-driven recommendations to strategic discussions

What we're looking for

You probably have:

• 5+ years of experience in Growth Marketing, Growth Management or a similar role
• Strong experience growing consumer mobile applications
• Proven track record of scaling digital products with measurable impact
• Strong understanding of App Store and Google Play growth mechanics
• Experience managing acquisition channels such as:
  • Apple Search Ads
  • Google App Campaigns
  • Meta Ads
  • Other performance marketing channels
• Strong analytical mindset and ability to connect initiatives with business metrics
• Experience running growth experiments and A/B tests
• Ability to optimize activation, conversion and retention funnels
• Ability to prioritize quickly and focus on highest-impact initiatives
• Comfortable operating in a fast-moving startup environment
• Entrepreneurial mindset and strong ownership mentality
• Ability to challenge assumptions and decisions with data and experiments
• Comfortable working hands-on while having strategic ownership
• Strong English and French skills

Most importantly:You're a builder. You don't wait for instructions. You identify opportunities, validate ideas and execute.

Nice to have

• Experience with subscription businesses
• SaaS or mobile app background
• Experience scaling consumer products internationally
• Experience launching or growing mobile applications from early stages
• Knowledge of attribution platforms (AppsFlyer, Adjust, Branch...)
• Experience with AI-powered growth and automation tools
• Experience working closely with Product and Engineering teams

Success looks like

Within your first year you'll have:

• Significantly accelerated qualified user acquisition
• Improved mobile app visibility and store performance
• Increased activation and conversion rates
• Reduced acquisition costs
• Built repeatable growth processes
• Launched and scaled multiple growth initiatives
• Created a stronger growth engine across Onoff’s consumer products
• Built credibility and progressively gained ownership toward a broader Head of Growth scope

Why join us?

You'll join Onoff at a key moment of its growth journey, with ambitious plans around our consumer products.

You'll work directly with founders and leadership on products with significant growth potential.

You'll have the opportunity to shape growth strategy, test ideas quickly and see the direct impact of your work.

This is the right role for someone who wants to build, experiment and grow into a larger leadership scope over time.

If you're looking for a company where growth is driven by curiosity, execution and measurable impact, not just marketing campaigns, you'll feel at home.