Senior Marketing Data Analyst (to Lisbon, Portugal)

Posted 2 Days Ago
Be an Early Applicant
Lisbon, PRT
In-Office
Senior level
Artificial Intelligence • eCommerce • Logistics
The Role
Analyze marketing channels, KPIs, attribution, and experiments to improve advertising efficiency and marketing investment decisions. Build dashboards, ETL pipelines, monitoring and alerting systems, and payback prediction models. Generate insights and hypotheses across acquisition, product feeds, creatives, channel mix, and targeting while applying statistical methods and solving complex problems with incomplete data.
Summary Generated by Built In

JoomPro is the first and only end-to-end cross-border B2B marketplace. It serves small, medium, and large businesses, handling orders of any size from start to finish. Today, JoomPro operates in Brazil and Mexico, with plans to expand into other markets.
JoomPro is one of the key businesses of Joom Group, an international tech-centric group of e-commerce companies founded in 2016 in Latvia. Joom Group also includes other businesses: Joom, a global cross-border marketplace; JoomPulse, an AI analytics tool for Mercado Livre and Shopee sellers; and Onfy, a pharmaceutical marketplace in Germany. Joom Group has offices in Latvia, China, Portugal, Germany, and Brazil, with its headquarters in Lisbon, Portugal. We work as one international team, sharing knowledge and collaborating across countries, businesses and products.
We're now looking for an experienced Marketing Data Analyst to strengthen our analytics team and help turn data into insights that drive smarter decisions, improve channel performance, and optimize marketing investments.

About the team

Our analytics team helps the business make smarter, data-driven decisions. We focus on:

  • Optimizing marketing budgets and channel mix to maximize efficiency
  • Building dashboards and analytical tools for decision-making, ROI forecasting, and strategic planning
  • Designing and analyzing experiments to measure channel performance and incrementality
  • Developing alerting systems to monitor spend, efficiency changes, and data quality
  • Supporting budget planning, marketing strategy, and market research

Why join us

  • Real business impact: your work directly influences ROI and growth
  • Access to advanced AI tools (Cursor, ChatGPT, Gemini, Claude)
  • Strong analyst community & cross-team knowledge sharing
  • Matrix structure: your manager is also an analyst
  • Transparent growth path & structured onboarding
  • Open culture with minimal bureaucracy

Responsibilities

  • Evaluate the effectiveness of existing and new advertising channels (Google Ads, Meta Ads, etc)
  • Set up and improve monitoring of statistical anomalies in metrics
  • Improve long‑term payback prediction models
  • Generate hypotheses to improve acquisition/product feeds/ad creatives/channel split/targets, etc.
  • Conduct data studies to uncover insights
  • Write ETL pipelines (data marts, alerts, and predictions)
  • Ask “why” and “what problem are we solving”

Requirements
  • Experience in data analysis, experience in marketing analytics
  • Understanding of marketing KPIs, attribution models, and the problems ad platforms solve
  • Knowledge of mathematical statistics and experience applying it
  • Ability to write complex SQL queries
  • Data analysis skills in Python
  • Ability to choose the right evaluation approach — analytics, research, or use of external data
  • Ability to solve non‑trivial problems under incomplete data
  • Attention to detail and ability to see any task through to completion
  • Good english verbal and written communication skills (B2+)

Preferred

  • Experience running A/B, geo, and other types of experiments
  • Experience in econometrics

Benefits
  • Compensation package: base salary and performance-based bonuses
  • Relocation support: full assistance for a smooth relocation for the employees and their family to Lisbon, Portugal
  • Office-first: flexible hours with a possibility to work remotely 52 days per year
  • Care & Wellbeing: health insurance (including dental care) for employees and their children, daily meal allowance, and 100% paid sick leave
  • AI-first approach: licenses and access to a wide range of AI tools
  • Team & Growth: collaboration with colleagues across Portugal, Brazil, Latvia and China, with opportunities for promotions, professional trainings, and English & Portuguese courses
  • Community & Engagement: annual team building activities, knowledge-sharing workshops, and a strong sense of team work

Before applying for the above position please review our Candidate Privacy Notice here. By responding to the vacancy, you acknowledge that you have read our Privacy notice.

Skills Required

  • Experience in data analysis and marketing analytics
  • Understanding of marketing KPIs and attribution models
  • Knowledge and application of mathematical statistics
  • Ability to write complex SQL queries
  • Data analysis skills in Python
  • Ability to select appropriate evaluation approaches, including analytics, research, or external data
  • Ability to solve non-trivial problems with incomplete data
  • Attention to detail and ability to complete tasks
  • Good English verbal and written communication skills at B2 or higher
  • Experience running A/B, geo, and other experiments
  • Experience in econometrics
Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
500 Employees
Year Founded: 2016

What We Do

Joom is an international commerce technology group operating a global consumer marketplace and a suite of business-to-business trade services. Its marketplace connects cross-border merchants and suppliers with consumers, especially in Europe. For businesses, Joom provides sourcing and importing, marketplace analytics, financing, and logistics-related services, using trade data and AI to support cross-border commerce. The group’s mission is to make global trade more efficient, transparent, and accessible through technology.

Similar Jobs

Joom Group Logo Joom Group

Data Analyst

Information Technology
In-Office
Lisbon, PRT
474 Employees

Teya Logo Teya

Controller

Fintech • Payments • Financial Services
Hybrid
Lisbon, PRT
1000 Employees

Cloudflare Logo Cloudflare

Operations Specialist

Cloud • Information Technology • Security • Software • Cybersecurity
Hybrid
7 Locations
4400 Employees

Cloudflare Logo Cloudflare

Senior Systems Engineer

Cloud • Information Technology • Security • Software • Cybersecurity
Hybrid
3 Locations
4400 Employees
66K-91K Annually

Similar Companies Hiring

Onshore Thumbnail
Artificial Intelligence • Fintech • Software • Financial Services
New York, New York
60 Employees
Blee Thumbnail
Artificial Intelligence • Marketing Tech • Software
New York, New York
30 Employees
Vega Thumbnail
Artificial Intelligence • Automotive • Insurance • Transportation
US
65 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account