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Maxime Czetwertynski

Growth marketeer

Can work in or around Brussels

  • 50.8465
  • 4.3516
  • Suggested rate 790 € / day
  • Experience 7+ years
Propose a project The project will begin once you accept Maxime's quote.

This freelancer will be available again on 4/10/2024

Until 4/10/2024

Propose a project The project will begin once you accept Maxime's quote.

Location and workplace preferences

Brussels, Belgium
Can work onsite in your office in
  • around Brussels and 50km


Project length
  • Between 1-3 months
  • Between 3-6 months
  • ≥ 6 months
Company size
  • 11 - 49 people
  • 50 - 249 people
  • 250 - 999 people
  • 1000 - 4999 people
  • ≥ 5000 people


Freelancer code of conduct signed
Read the Malt code of conduct

Verified email


  • French

    Native or bilingual

  • English

    Native or bilingual

  • Dutch



Skills (22)

Maxime in a few words

10y xp working in tech.
Last 5y in growth marketing at Immoweb (real estate portal - owned by KKR/Axel Springer), Mya-Bay (ecommerce), Argent (Ethereum wallet).

Deep interest for AAARRR funnel optimization, data-backed decisions and behavioural psychology.




Growth Marketing Manager  - As a freelancer

Brussels, Belgium

August 2021 - February 2022 (6 months)

Grow Argent's user base for its Ethereum Wallet (web3 - crypto)
Helped reach a waitlist of 500K people for the wallet's new version
Growth marketing Web3 funnel optimization user exploration SEO

Mya Bay jewels


Head of Growth  - As a freelancer

Brussels, Belgium

September 2020 - September 2021 (1 year)

Growth for the ecommerce part of Mya-Bay jewels
x2 website conversion rate after 6 months
funnel optimization Conversion Rate Optimization B2C vente en ligne Stratégie e-commerce E-commerce


Digital & IT

Growth @ Immoweb Incubation  - As a freelancer

Brussels, Belgium

March 2019 - August 2021 (2 years and 5 months)

Launching new products for Immoweb's incubator
Managing marketing & growth for Immoweb's Venture products (Home insurance, Mortgage, Document generation and management, relocation assistant)
Budget Management Facebook Marketing Google Ads Paid Media Webmarketing strategy Teamwork Cross-functional Team Leadership


Digital & IT

Head of Growth

Brussels, Belgium

January 2018 - December 2018 (11 months)

cPark is a social app to pay and avoid parking tickets.
Helped grow the user base from 50.000 to 150.000+ in 10 months.
Growth marketing Growth hacking User Research Data Analysis Team Leadership

Hack League

Digital & IT

Co-Founder, CEO

Brussels, Belgium

March 2016 - February 2018 (1 year and 11 months)

Created Coding Battle concept (2.5h afterwork hackathons),
Microsoft, Google, Amazon, and several EU scale ups as customers
Team Leadership Business Strategy Webdesign Web Development Conversion Rate Optimization Gamification


Digital & IT


Brussels, Belgium

December 2014 - April 2016 (1 year and 4 months)

Organized 30+ JavaScript training and conferences across EU.
Built a community of 2000+ passionate developers from scratch.

MobileXpense - Mobilexpense GROUP

Digital & IT

Product Manager

Brussels, Belgium

February 2013 - September 2014 (1 year and 7 months)

Developed and implemented product’s new version
Led a team of 8 outsourced developers
Team Management Webdesign UX/UI Strategic Partnerships QlikView Tableau software HTML/CSS (now

Digital & IT

Account Manager

Montreal, Canada

February 2012 - July 2012 (5 months)

Business development and account management
employee #1 of neuvoo, now
Sales Account Management Adobe Photoshop