You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
David DiasDD

David Dias

Data Analyst — CRO | A/B Testing, GA4, GTM, JS

€200/day
2 projects
Madrid, ES
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About David

The Guy Who ❤️ Checkouts

Data Analyst / CRO Specialist with +3 years of experience working in digital products.
My goal is to improve purchase and booking processes (Checkouts) and create a stress-free and frictionless shopping experience to improve conversion rates and increase revenue.

Clients:
⚡️ Codere Betting
⚡️ Action Against Hunger
⚡️ British Council
⚡️ OCU
⚡️ Deutsche Bank
⚡️ UrbanFisio (funded by Lanzadera 🚀)
⚡️ Orange Spain
⚡️ Roche
⚡️ Freepik Company (Freepik, Flaticon, SlidesGo, Wepik)


My curiosity is divided between

⭐ Having a customer-centric approach
⭐ Understanding human behavior in digital environments


TOOL STACK ⚒
⚡️ Google Analytics
⚡️ GTM
⚡️ Python
⚡️ BigQuery
⚡️ Looker, Power BI

I love learning about #ELearning #EdTech, #Ecommerce, #Gaming, and #Engagement mechanics.
  • English

    Fluent

  • Spanish

    Native or bilingual

Can work on-site
Madrid (up to 15km), Barcelona (up to 30km), Oviedo (up to 50km), Valencia (up to 50km), Málaga (up to 50km)

Experience

  • Sterling
    Founding Data Analyst
    April 2025 - Today (1 year and 2 months)
    A data boutique for startups, medium companies and VCs to improve their knowledge of their products.
    CRO Data Analysis Experimentation Python BigQuery Looker Studio Microsoft Power BI Hex AB Tasty Product Analytics
  • TecData Engineering
    Senior Data Analyst, Product
    RESEARCH
    November 2024 - Today (1 year and 7 months)
    Madrid, Spain
    • Funnel Analysis and Path Analysis for extracting insights on the following KPIs: User Acquisition, Retention, Performance. (Big Query, Python)
    • Visualize insights for Product and Business teams to independently consult data (Power BI)
    • Creation of tables and automations in Google Cloud Platform
    • Data modeling in DBT and Git
    • Communicate and share insights with Stakeholders



    Clients: IKEA (Live at Home Platform)

    Google Play: https://play.google.com/store/apps/details?id=com.ikea.lhp&hl=es
    Apple store link: https://apps.apple.com/es/app/ikea-home/id6737197198


    Q4 2024:

    Reach 80 companies in the marketplace


    Q1 2025:

    Bank transfer added (10% of transfers since launch)
    Cancellation and rescheduling flow from the app
    Display user reviews


    Q2 2025:

    Allow home visits to improve quotes
    Introduce installment payments to improve conversion rate
    Big Query Microsoft Power BI Google Analytics 4
  • Bluarrakis
    Data Analyst/Adobe Developer, Experimentation (Freelance)
    E-COMMERCE
    August 2024 - April 2025 (8 months)
    Madrid, Spain
    - Analyze web behavior to identify improvement opportunities in the purchase and subscription process.
    - Prepare A/B Tests and other experiments to validate hypotheses and improve conversion rate and revenue.
    - Collaborate with design, marketing, and data teams to implement initiatives.

    Client: NDA signed

    Tools: ContentSquare, Adobe Customer Analytics, Adobe Target
    Adobe Analytics Adobe Target Data Analysis Conversion Rate Optimization Product Analytics A/B Testing Content Square

Recommendations

Be the first to recommend David

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

Education

  • Degree in Economics
    Autonomous University of Madrid
    2018

Certifications

Skill set

Categories