Conversion Rate Optimization (CRO) Specialist
- Campus Brussel
- Senior
- Expertise: Marketing
- Skills: CRO, Visual Website Optimizer, Google Optimize
- Employment: Employed
- What you'll do
- Your qualities and skills as Conversion Rate Optimization (CRO) Specialist
- What’s in it for you
- Get to know iO
- What your colleagues say
- Your application, step by step
What you'll do
Do you see opportunities to improve websites everywhere and can you back it up with data? Perfect! As a CRO Specialist at iO, you make a real impact on the conversions of websites and portals with your data-driven optimizations. You are the bridge between our marketers and developers, giving them the right input to get started.
Based on your recommendations from various research methods, you proactively launch initiatives that boost user experience and conversions. Your daily challenges include:
From quick audits to in-depth analyses: You dive into the data for a wide range of clients. You conduct CRO analyses and audits, uncover pain points in the customer journey, and translate your insights into concrete, impactful recommendations.
In-depth optimization projects: You'll tackle complex optimization programs, where you’ll focus on continuously improving the user experience and maximizing conversions.
Of course, you don't do this alone. You work closely with a team of data and analytics specialists, UX designers, marketers, and strategists. You run A/B tests, analyze the results, and process your findings into professional presentations. You pour your insights into compelling stories that inspire both clients and colleagues to take action.
At iO, we never stand still. We invest heavily in your technical knowledge and personal development, because we know better than anyone: we are stronger together.
Your qualities and skills as Conversion Rate Optimization (CRO) Specialist
You have strong analytical skills, are naturally curious, work meticulously, and have a proactive attitude.
Online personalization tools like VWO, Spotler, Adobe, or Blueconic hold no secrets for you.
You are an expert at applying CRO principles (such as Cialdini's principles and other persuasion techniques) to various business models (B2B, B2C, e-commerce).
With at least 2 years of experience, you know exactly how to create and execute a successful optimization plan.
You can effortlessly find your way around tools like Clarity and Hotjar.
You can transform complex data from Google Looker Studio, Google Analytics, and Power BI into convincing and clear insights.
You have experience with HTML and CSS. Knowledge of JavaScript is a big plus!
You know how to create clear and convincing presentations and can excellently substantiate your findings.
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- #LI-NINAJANSENS
- #LI-Hybrid
What’s in it for you
32 vacation days
Based on a 40-hour work week, you’ll have 20 vacation days and 12 compensatory days of leave (reduction of working time).
Mobility & end-of-year bonus
After working at iO for 6 months, you can count on an end-of-year bonus. And in terms of mobility, you can choose from various options, depending on your job or preference.
Hospitalisation insurance
When something unfortunate happens, the last thing you need is the added stress of unexpected costs. That’s why all employees get hospitalisation insurance at Axa.
Hybrid working
A good work-life balance is super important. Together with your team, you’ll decide when and where you work.
Healthy snacks & lunch
At every iO campus, you can grab a healthy snack throughout the day and have a healthy and varied lunch for a small fee.
Personal training budget
Each year, you’ll get a budget of €3,000 to develop yourself, in your profession or as a person, through training, events, or courses.
Celebrating together
If there’s something to celebrate, we know how to party! From time to time, the party team at your campus will organise the best (theme) parties.

Questions about this position?
+32 33 614 000
Get to know iO
- 2,000+colleagues
- 13campuses
- 5countries
- 26nationalities
- 10+awards in the past year
- ∞growing, learning and challenging yourself
What your colleagues say
Your application, step by step
Working together, making an impact and growing: it all starts with the right connection. That's why we'd like to get to know you and want you to get to know your future colleagues too.
FAQ
Apply now
Ready for an exciting career at iO? Apply using this form or through LinkedIn. We’ll contact you soon.
Questions about this position?










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