Marketing Data Analyst

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 an international team, sharing knowledge and collaborating across countries, businesses and products.

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"

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

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 withcolleagues 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

#J-18808-Ljbffr