I see where the tool creates value
A business tool affects sales, margin, logistics, acquisition and the team. I read them together.
Paris · Ecommerce strategy & AI · L5 Diamond level Lovable expert · L5 Diamond
Karim Mesloub, Lovable Expert, L5 Diamond level
Business first. Build second.
I design business tools with Lovable starting from real business problems.
Working remotely across France, Belgium, Switzerland, Luxembourg, Quebec, North Africa and West Africa, in French, English and Arabic.
15+years of experience
17certifications
30+B2B clients
L5Diamond
360 degree vision
Informed decisions.
I anticipate side effects
A time saving that hurts margin or customer experience is not a saving.
I know what should not be built
The most profitable feature is sometimes the one removed from the spec.
Verified mastery across 7 areas
Each area validated by experience, certification and achievement.
Field experience
Certifications
Real achievements
| Area | Field experience | Certifications | Real achievements |
|---|---|---|---|
| Business and management | 15+ years in business development and operations, including nearly 5 years at Microsoft France (team of 19 people) | Revenue Operations Certification, Professional Scrum Master I (PSM I) | Marketplace profitability cockpit, Shipping label generator |
| Marketing and acquisition | Sales and marketing director (2018 to 2024), then marketing director at Cosmos Wave agency | Google Ads Search Certification, SEO Certification | WavePix, Shipping label generator |
| E-commerce and marketplaces | Cosmos Wave agency, Amazon Verified Partner; Temu store built from scratch, Top 6 in its category | E-commerce Analytics, with distinction (100%), Sponsored Ads Certification, Amazon DSP Certification, Amazon DSP Advanced Certification | Marketplace profitability cockpit, Customer claims analysis, WavePix |
| Lovable and building | Vibe Coding L5 Diamond level, Top 1% activity | Lovable Expert, L5 Diamond level, Lovable Partner Program | Shipping label generator, Customer claims analysis, Marketplace profitability cockpit, WavePix |
| Applied AI | AI applied to the management and production of Cosmos Wave agency | Applied AI Foundations, Generative AI Fundamentals Accreditation, Retrieval-Augmented Generation for Enhanced AI Outputs | Customer claims analysis, WavePix |
| Automation | CRM and marketing automations deployed at Qréativ agency (2018 to 2024) | Agents and Workflows | Shipping label generator, Marketplace profitability cockpit, WavePix |
| Cybersecurity | Design of diagnostic tools and security audits for web applications: exposed surface, headers, access control. | NSE 3 · Cybersecurity | Security check |
Background
The background.
Since March 2024
Co-founder and marketing and sales director
Cosmos Wave, Amazon Verified Partner
E-commerce and marketplace growth agency. More than 30 B2B clients, Amazon verified partner status.
30+B2B clients2018 to 2024
Sales and marketing director
The Qréativ agency
National portfolio of more than 2,000 recurring B2B accounts, including 257 client municipalities.
2,000+recurring B2B accounts2014 to 2018
International development director
Global Négoce International
Key account development, distribution contracts, OEM and white label.
2009 to 2014
Head of operations and project management
Microsoft France
Nearly 5 year assignment, direct management of 19 staff, multi site projects.
19staff managed
Projects
Built and used.
Real project · Cosmos Wave agency, Amazon Verified Partner
WavePix, graphic production studio
Produce high-quality product visuals at volume for marketplaces, without graphic production becoming a growth bottleneck.
Lovable · Supabase
Read the case study →Real project · Cosmos Wave agency, Amazon Verified Partner
Marketplace profitability cockpit
Know whether each marketplace sale actually makes money, once commissions, VAT and shipping costs are deducted.
Lovable · Supabase · Edge Functions
Read the case study →
Real project · Cosmos Wave agency, Amazon Verified Partner
Customer claims analysis
Decide quickly and accurately on a claim with photos: refund honest customers, filter out fraud attempts, and understand why the product arrived damaged.
Lovable · Supabase · Vision AI
Read the case study →Real project · Cosmos Wave agency, Amazon Verified Partner
Data-driven shipping label generator
Generate shipping labels with a carrier accessible only via API.
Lovable · Supabase
Read the case study →Certifications
Certifications.
17certifications
10organizations
98.8%on the PSM I
L5
Lovable4
Lovable Expert, L5 Diamond level
Lovable
Lovable Partner Program
Lovable
Top 1%
Lovable
Vibe Coding L5 Diamond
Lovable · L5 Diamond level
AI and automation4
Agents and Workflows
OpenAI
Applied AI Foundations
OpenAI
Generative AI Fundamentals Accreditation
Databricks Academy
Retrieval-Augmented Generation for Enhanced AI Outputs
IBM SkillsBuild
E-commerce & retail media4
Sponsored Ads Certification
Amazon Ads
Amazon DSP Certification
Amazon Ads
Amazon DSP Advanced Certification
Amazon Ads Academy · Advanced level
SEO and acquisition2
Google Ads Search Certification
SEO Certification
HubSpot Academy
RevOps1
Revenue Operations Certification
HubSpot Academy
Agility and delivery1
Professional Scrum Master I (PSM I)
Scrum.org · 98.8%
Cybersecurity1
NSE 3 · Cybersecurity
Fortinet
Education
The education.
2008
MBA, performance and operations management
ISSEC Paris
2008
Master's, international trade and market development
Université Paris-Sorbonne
2005
Master II, international management
ESA Paris
2003
Bachelor's, commercial sciences and applied marketing
HEC Alger
Skills
Skills.
Lovable and building
E-commerce and marketplaces
Marketing and acquisition
Business and management
Applied AI
Automation
Questions
Who is Karim Mesloub?
Who is Karim Mesloub?
Karim Mesloub is a Lovable expert at L5 Diamond level based in Paris, a member of the Lovable Partner Program. Co-founder of the Cosmos Wave agency, Amazon Verified Partner, he has more than 15 years of experience in business development, operations and marketing.
What are his specialties?
Karim Mesloub's specialties are Lovable, marketplaces and e-commerce (Amazon, Temu, Shopify), business applications and internal tools, SEO and branding. He also works on marketplace strategy, offer structuring, pricing and profitability.
What is his Lovable level?
Karim Mesloub is a Lovable expert at L5 Diamond level and a member of the Lovable Partner Program.
What types of applications does he build?
Karim Mesloub builds business applications and internal tools with Lovable. Client portals, dashboards and automations, always starting from real business problems.
How to contact him?
To contact Karim Mesloub, write to me@karimmesloub.com or use the "Describe my problem" button. He can also be reached on LinkedIn.
Contact
A business problem?A tool to build?A team to train?
Every good tool starts with a well defined problem. Let's start there.
Working remotely across France, Belgium, Switzerland, Luxembourg, Quebec, North Africa and West Africa, in French, English and Arabic.
Or by email
me@karimmesloub.com