You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Malt Strategy
New report
Malt Tech Trends 2026
Stijn Van LeeuwenSV

Stijn Van Leeuwen

Data Consultant & Full Stack Software Developer

€400/day
Rotterdam, NL
3-7 years
Python
SQL
API
Machine learning
Big Data

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Stijn

With two WO Master's degrees and almost 10 years of experience in data and software development, I build custom data solutions that are business-wise substantiated. I uncover data opportunities, prioritize what is valuable, and ensure it gets built.
Digital and IT Services
Consulting and Audits

  • Dutch

    Native or bilingual

  • English

    Fluent

Can work on-site
Rotterdam (up to 40km)

Experience

  • Stijn Benjamin
    Data Consultant & Software Developer
    DIGITAL AND IT
    January 2022 - Today (4 years and 6 months)
    Rotterdam, Netherlands
    • Lead-to-customer prediction model for sales prioritization
    • Inventory management system with forecasting for operational processes.
    • Product research web app for product and market analyses.
    • Communication channels integrated with a customer service platform.
    • Label software developed for the packaging process of an e-commerce company.
    • Data landscapes analyzed and improvement initiatives worked out into roadmaps.
    API Big Data Data Engineer Data science Solution Architecture
  • FORCAI
    Co-Founder
    DIGITAL AND IT
    January 2021 - December 2021 (11 months)
    Rotterdam, Netherlands
    Forcai offers AI solutions for SMEs on a project basis. AI was mainly only accessible to large companies during this period, and we wanted to change that.
  • Freelance
    Webdesigner
    DIGITAL AND IT
    March 2018 - November 2020 (2 years and 8 months)
    Rotterdam, Netherlands
    Website development for SMEs. This involved initial consultations to clarify client needs, followed by mock-up creation. Upon approval, the site was developed and maintained.

Recommendations

Be the first to recommend Stijn

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Signup to reveal

Education

  • English C1 (CEFR level) International Baccalaureate Higher English
    English C1 (CEFR level) International Baccalaureate Higher English
  • MSc Business Information Management
    Erasmus University Rotterdam
    2025
Check out Stijn's education

Skill set

External API integration
Performance Optimization
Front End Interface Development
Backend Service Development
Algorithms and Data Structures
Cloud Platforms and Infrastructure
Database Management (e.g., SQL, NoSQL)
Data integration (ETL, ELT and data warehousing)
Data Pipelines and Warehousing
ETL (Extract, Transform, Load) Processes
A/B Testing
AI and Advanced Analytics
Business Intelligence (BI) Strategy
Data Visualization
Exploratory Data Analysis
KPIs and Metric Definition and Monitoring
Time Series Analysis and Forecasting
User Segmentation
Deep Learning
Feature Engineering
Machine Learning Theory
Model Optimization
Model Training and Evaluation
Predictive Modeling
Real-time Processing
Recommender Systems

Categories