Jobs – Carrots

BARCELONA OR FULLY REMOTE

PRODUCT

ANALYTICS

You are a student currently enrolled in a Spanish university (ideally near Barcelona) able to sign a “convenio de prácticas”.
You love connecting numbers with real user stories and have a strong interest in UX data and app performance.
You have an analytical mindset and the curiosity to find the “why” behind user behavior.
You are comfortable creating structured reports and visuals to share findings with a squad.

Ensure every product decision is driven by data evidence.
Define and implement event tracking plans (naming conventions and parameters) across Firebase and Amplitude.
Study user behavior through funnels, sessions, screen paths, and retention curves to identify drop-off points.
Build, automate, and maintain dashboards in Amplitude, Looker, and Firebase.
Conduct market research and competitor analysis using tools like Data.ai, SensorTower, and AppTweak

Education: Current university student in Spain.
Analytical: Ability to interpret funnels, retention, and engagement metrics.
Tools: Familiarity with Amplitude, Firebase, Looker, BigQuery, Appsflyer, and RevenueCat.
Technical: Proficiency in Google Sheets. Basic knowledge of SQL or Python for data exploration is a plus.

Remuneration: A paid full-time internship with real ownership and impact.
Flexibility: Flexible working hours, 25 days annual leave, and 1 month of ‘work from anywhere’ outside of Spain.
Workspace: Private offices at Norrsken House with a €5,000 budget for professional home-office equipment.
Wellness & Perks: High-end gym membership (innerflow.es) and healthy in-office catering starting at €2-€3.
Growth: Dedicated education budget and a tailored career plan with performance reviews every 6 months.

HO CHI MINH

A hybrid profile: part builder, part architect, and part mentor.

Someone who loves building predictive systems and designing scalable data architectures.
Capable of balancing hands-on coding with leading high-performance teams.
Data-obsessed, collaborative, and comfortable in a fast-paced environment

Lead all modeling initiatives: LTV prediction, churn models, signal optimization, and pricing/retention forecasting.
Architect and maintain scalable data pipelines from sources like BigQuery, Firebase, AppsFlyer, and RevenueCat.
Act as the founding technical mentor for the Data team in Vietnam.
Make every app smarter through predictive data and automation.

5+ years in Data Science or ML Engineering, with 2+ years in leadership or mentorship.

Strong foundation in probability, statistics, and ML fundamentals.
Expertise in Python (pandas, scikit-learn, TensorFlow, PyMC), BigQuery, GCP, and dbt.
Excellent English for collaboration with distributed teams.

Attractive base salary in USD + Performance-based quarterly bonus (up to 30%).

BARCELONA

You are a Python-first, statistics-strong individual.
You possess the autonomy and speed to self-direct and ship working code without step-by-step guidance.
You are capable of explaining complex modeling choices in plain language with actionable conclusions.
You are currently a student at a university in Spain able to sign a “convenio de prácticas”.

Partner with Data Analysts to solve complex problems such as probabilistic LTV, churn prediction, and forecasting.
Build, compare, and iterate LTV models (e.g., survival/retention-based, GBMs) to produce calibrated predictions for UA and pricing.
Predict churn windows and retention curves by app/geo/cohort to inform payback and creative strategies.
Translate model outputs into conversion signals for Google and Meta optimization.
Pull and transform event and purchase data from BigQuery, RevenueCat, and AppsFlyer into model-ready datasets.
Evaluate A/B tests and pricing experiments using frequentist or Bayesian methods

Core Technical: Strong hands-on experience with Python (pandas, NumPy, scikit-learn, Jupyter).
Theoretical: Solid understanding of probability, hypothesis testing, regression, classification, and model calibration.
Evidence: Ability to show at least one end-to-end model (academic or personal project).
Nice-to-have: Experience with Bayesian modeling (PyMC/Stan), survival analysis, gradient boosting (XGBoost/LightGBM), and SQL/BigQuery.

Remuneration: A remunerated full-time position providing real ownership and impact.
Flexibility: Flexible working hours, 25 days annual leave, and 1 month of ‘work from anywhere’ outside of Spain.
Workspace: Private office at Norrsken House and a €5,000 budget for professional home-office equipment.
Wellness: Option for a high-end gym membership (innerflow.es) and healthy in-office catering starting at €2-€3.
Career: Tailored career plan with performance reviews and salary calibrations every 6 months.

BARCELONA

You are a student currently enrolled at a university in Spain able to sign a “convenio de prácticas“.
You are a social-native individual who lives on TikTok/IG and understands hooks, trend formats, and “thumb-stop” content.
You possess a performance mindset, ready to “kill your darlings” when data shows a creative isn’t converting.
You love creating visuals that convert, not just those that look good.

Partner hand-in-hand with the UA team to turn ideas into high-performing creatives for Meta, TikTok, Snap, and UGC.
Produce a high volume of short-form video ads (9:16), animations, kinetic typography, and cut-downs.
Implement an AI-first creative pipeline using AI tools to concept, generate, and iterate video/image content.
Translate performance metrics (CTR, CVR, CPI) into creative decisions to scale winners and propose next tests.
Ideate UGC-style scripts and riding trends native to TikTok, IG Reels, and Snap.

Core Technical: Hands-on experience with After Effects and Premiere (or CapCut for speed).
AI Tools: Comfortable using AI image and video tools to speed up production.
Portfolio: Showcase of short-form vertical ads (TikTok/IG/Snap) relevant to consumer apps.
Design: Basic Figma skills for quick frames and overlays.
Communication: Clear, structured, and collaborative English skills (Minimum: Professional).

Paid Internship: A remunerated full-time position providing real ownership of ads tested with real budgets.
Flexibility: Flexible working hours, 25 days annual leave, and 1 month of ‘work from anywhere’ outside of Spain.
Workspace & Tech: Private office at Norrsken House and a €5,000 budget for professional home-office equipment.
Wellness: Option for a high-end gym membership (innerflow.es) and healthy in-office catering for €2-€3.
Career: Tailored career plan with performance reviews and salary calibrations every 6 months