- DATA
PRODUCT ANALYTICS
YOU ARE
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You are a student currently enrolled in a Spanish university (ideally near Barcelona) able to sign a “convenio de prácticas”.
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You love connecting numbers with real user stories and have a strong interest in UX data and app performance.
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You have an analytical mindset and the curiosity to find the “why” behind user behavior.
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You are comfortable creating structured reports and visuals to share findings with a squad.
YOUR MISSION
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Ensure every product decision is driven by data evidence.
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Define and implement event tracking plans (naming conventions and parameters) across Firebase and Amplitude.
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Study user behavior through funnels, sessions, screen paths, and retention curves to identify drop-off points.
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Build, automate, and maintain dashboards in Amplitude, Looker, and Firebase.
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Conduct market research and competitor analysis using tools like Data.ai, SensorTower, and AppTweak
YOUR SKILLS
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.
WE OFFER YOU
- 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.
- DATA
DATA SCIENCELEAD
YOU ARE
A hybrid profile: part builder, part architect, and part mentor.
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Someone who loves building predictive systems and designing scalable data architectures.
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Capable of balancing hands-on coding with leading high-performance teams.
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Data-obsessed, collaborative, and comfortable in a fast-paced environment
YOUR MISSION
- 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.
YOUR SKILLS
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.
WE OFFER YOU
Attractive base salary in USD + Performance-based quarterly bonus (up to 30%).
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25 days of annual leave plus local public holidays.
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Modern private office in Ho Chi Minh City with a high-end tech setup budget.
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Clear career path toward Head of Data / Director of Data Science.
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Salary reviews every 6 months and flexible working hours.
- DESIGN
UX/UI DESIGNER
YOU ARE
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You are a student currently enrolled at a university in Spain able to sign a “convenio de prácticas“.
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You love creating designs that convert and can balance high-level creativity with practical usability.
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You are a curious, proactive designer who finds ways to improve flows before being asked.
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A collaborative communicator who views themselves as the owner of usability and polish, not just aesthetics.
YOUR MISSION
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Design user experiences for live Carrots apps that are as beautiful as they are effective.
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Create user flows, wireframes, and interactive prototypes in Figma for real product features.
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Conduct UX research, including usability testing, competitor audits, and heuristic analyses.
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Optimize designs for activation, retention, and monetization through growth-oriented experimentation on paywalls and onboarding.
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Maintain and improve the design system, ensuring clean Figma files for developer handoff.
YOUR SKILLS
Core Technical: Proficiency in Figma and a solid understanding of UX/UI principles.
Portfolio: Strong portfolio showcasing web or mobile app projects (personal, academic, or professional).
Analytical: Ability to interpret product data and user behavior to inform design decisions.
Requirements: Full-time availability (40h/week) for at least 6 consecutive months.
Nice-to-have: Familiarity with tools like Amplitude, Firebase, or Looker and experience with A/B testing.
WE OFFER YOU
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Paid Internship: A remunerated full-time position offering real ownership—you will ship end-to-end designs, not just “student tasks”.
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Flexibility: Flexible working hours, 25 days annual leave, and 1 month of “work from anywhere” outside of Spain.
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Workspace & Tech: Private office at Norrsken House with a €5,000 budget for professional home-office equipment.
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Wellness & Perks: Option for a high-end gym membership (innerflow.es) and healthy in-office catering for €2-€3.
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Career: Tailored career plan with performance reviews and salary calibrations every 6 months.
- PRODUCT
PRODUCTMANAGER
YOU ARE
You have an analytical mindset: you can read dashboards, interpret metrics, and spot product opportunities from data.
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You are an execution-oriented professional comfortable running meetings and keeping people accountable.
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You have a passion for consumer apps and analyze onboarding flows and paywalls for fun.
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You are structured, clear, and confident in both English and Spanish communication.
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You act like an owner, not an employee.
YOUR MISSION
Act as the link between business metrics and product execution.
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Own the execution rhythm of your app squad—update Notion boards, set priorities, and run weekly reviews with design, dev, and data.
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Track and report on app’s key metrics (retention, LTV, ARPU, trials, payback) and define OKRs.
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Suggest, design, and evaluate A/B tests for onboarding, pricing, paywalls, and UX flows.
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Analyze competitors using Data.ai, SensorTower, and AppTweak to identify best practices.
YOUR SKILLS
Degree in Business, Engineering, Data, or Product Management (ESADE, TBS, IE, UPC, or similar).
Experience: Minimum 1 year in product, analytics, or growth (internship or full-time).
Tools: Familiarity with Amplitude, Firebase, Looker, and Google Sheets.
Pluses: Basic knowledge of SQL or Python
WE OFFER YOU
Compensation: Competitive base salary dependent on experience plus a Quarter Performance Bonus of up to 30% tied to OKRs.
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Flexibility: Flexible working hours, 25 days annual leave, and 1 month of ‘work from anywhere’ outside of Spain.
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Tech & Workspace: Private offices at Norrsken House and a €5,000 budget for professional home-office equipment.
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Wellness & Food: High-end Gym Membership option at innerflow.es and healthy in-office catering starting at €2-€3.
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Growth: Dedicated budget for education and a tailored career plan with calibrations every 6 months.
- PRODUCT
PRODUCT OWNER
YOU ARE
You are the “heartbeat” of the squad, capable of translating ideas into deliverables.
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An execution-focused partner who keeps the squad productive and aligned with OKRs.
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A professional with a high-speed, high-standards, and “zero drama” mindset.
- A trusted collaborator who acts like an owner of the product
YOUR MISSION
Lead the execution rhythm inside one of the app squads to ensure projects move fast and stay aligned with strategy.
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Translate product and business goals into an actionable, prioritized roadmap.
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Manage the backlog, organize sprints, and ensure deliverables are on track.
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Coordinate with UX, Dev, and Analytics to scope, estimate, and prioritize features.
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Review releases and test new features to ensure they meet functional and UX standards.
YOUR SKILLS
Experience: 2-4+ years as a Product Owner, Product Manager, or Project Manager in tech/mobile environments.
Frameworks: Strong knowledge of Agile (Scrum, Kanban) adapted to startup speed.
Technical/Analytical: Comfortable reading dashboards (Amplitude, Firebase, Looker) and understanding mobile app lifecycles.
Tools: Proficient in Notion, Figma, and basic SQL or Python for data exploration.
Communication: Excellent prioritization skills with Spanish and English proficiency.
WE OFFER YOU
Compensation: Competitive base salary plus a Quarter Performance Bonus of up to 30% tied to OKRs.
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Flexibility: Flexible working hours, 25 days annual leave, and 1 month of “work from anywhere” outside Spain.
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Workspace: Private offices at Norrsken House and a €5,000 budget for professional home-office equipment.
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Wellness & Perks: Optional high-end gym membership (innerflow.es) and healthy in-office catering starting at €2-€3.
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Development: Dedicated education budget and a tailored career plan with reviews every 6 months.
- GROWTH
SENIOR USER ACQUISITION
YOU ARE
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You have an owner mindset: frugal with spend, relentless on payback, and comfortable being challenged with data.
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An expert in mobile consumer subscriptions with a proven track record in non-gaming apps.
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Analytically rigorous, making decisions based on cohort and LTV data rather than surface-level screenshots.
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A high-leverage professional capable of driving a tight hypothesis-to-creative results loop.
YOUR MISSION
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Profitably scale paid growth across Google Ads and Meta Ads, hitting +10% MoM growth while protecting payback.
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Engineer smarter conversion signals (trial starts, revenue, pLTV) to feed better optimization data to ad platforms.
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Pilot Apple Search Ads (ASA) and lead ASO experiments (metadata, creative, and store assets).
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Instrument clean weekly reporting (CAC, ROAS, LTV:CAC, payback) in Looker.
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Turn founder-led acquisition into a repeatable, capital-efficient engine.
YOUR SKILLS
Experience: Direct management of €100k+/month in budgets across Google and Meta for subscription apps.
Technical: Deep knowledge of AppsFlyer (MMP), Google Search intent (non-UAC), and Meta value-based bidding.
Analytics: Proficiency in building actionable dashboards (preferably Looker) and understanding SKAdNetwork/ATT constraints.
Hard Requirements: 3+ years of experience with both Google Ads and Facebook Ads Manager.
WE OFFER YOU
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Compensation: Competitive base salary plus a performance bonus of up to 45% tied to critical UA KPIs.
Equity: Option to include equity in the package via a vesting plan. -
Flexibility: Flexible hours, 25 days annual leave, and 1 month of ‘work from anywhere’ outside of Spain.
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Workspace & Tech: Private office at Norrsken House and a €5,000 budget for professional home-office equipment.
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Wellness: High-end gym membership (innerflow.es) with spa access and healthy in-office catering for €2-€3.
- DATA
DATA SCIENCEINTERN
YOU ARE
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You are a Python-first, statistics-strong individual.
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You possess the autonomy and speed to self-direct and ship working code without step-by-step guidance.
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You are capable of explaining complex modeling choices in plain language with actionable conclusions.
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You are currently a student at a university in Spain able to sign a “convenio de prácticas”.
YOUR MISSION
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Partner with Data Analysts to solve complex problems such as probabilistic LTV, churn prediction, and forecasting.
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Build, compare, and iterate LTV models (e.g., survival/retention-based, GBMs) to produce calibrated predictions for UA and pricing.
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Predict churn windows and retention curves by app/geo/cohort to inform payback and creative strategies.
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Translate model outputs into conversion signals for Google and Meta optimization.
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Pull and transform event and purchase data from BigQuery, RevenueCat, and AppsFlyer into model-ready datasets.
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Evaluate A/B tests and pricing experiments using frequentist or Bayesian methods
YOUR SKILLS
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.
WE OFFER YOU
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Remuneration: A remunerated full-time position providing real ownership and impact.
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Flexibility: Flexible working hours, 25 days annual leave, and 1 month of ‘work from anywhere’ outside of Spain.
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Workspace: Private office at Norrsken House and a €5,000 budget for professional home-office equipment.
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Wellness: Option for a high-end gym membership (innerflow.es) and healthy in-office catering starting at €2-€3.
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Career: Tailored career plan with performance reviews and salary calibrations every 6 months.
- BRANDING
MOTION DESIGNER
YOU ARE
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You are a student currently enrolled at a university in Spain able to sign a “convenio de prácticas“.
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You are a social-native individual who lives on TikTok/IG and understands hooks, trend formats, and “thumb-stop” content.
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You possess a performance mindset, ready to “kill your darlings” when data shows a creative isn’t converting.
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You love creating visuals that convert, not just those that look good.
YOUR MISSION
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Partner hand-in-hand with the UA team to turn ideas into high-performing creatives for Meta, TikTok, Snap, and UGC.
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Produce a high volume of short-form video ads (9:16), animations, kinetic typography, and cut-downs.
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Implement an AI-first creative pipeline using AI tools to concept, generate, and iterate video/image content.
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Translate performance metrics (CTR, CVR, CPI) into creative decisions to scale winners and propose next tests.
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Ideate UGC-style scripts and riding trends native to TikTok, IG Reels, and Snap.
YOUR SKILLS
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).
WE OFFER YOU
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Paid Internship: A remunerated full-time position providing real ownership of ads tested with real budgets.
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Flexibility: Flexible working hours, 25 days annual leave, and 1 month of ‘work from anywhere’ outside of Spain.
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Workspace & Tech: Private office at Norrsken House and a €5,000 budget for professional home-office equipment.
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Wellness: Option for a high-end gym membership (innerflow.es) and healthy in-office catering for €2-€3.
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Career: Tailored career plan with performance reviews and salary calibrations every 6 months
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