adjoe

Working Student - Product & QA (f/m/d)

β€’β€’
3 weeks ago
Estimated salary
€3,845 – €6,244per month

Auto-estimated from similar roles, location, experience & market data. Actual pay may vary.

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Description

adjoe is hiring a working student to support product and QA work on adjoe Ads, its programmatic in-app advertising platform in Hamburg. You playtest mobile games and manually test the Android and iOS SDK integrations to verify that ads load, render and track correctly across target environments. You run structured, repetitive test procedures, reliably reproduce bugs and document findings and testing guidelines so engineering teams can act on them immediately. You also carry out directed market and product research for product managers and rotate across tasks for developers, product managers and other stakeholders. The role requires enrolment at a university in Germany.

Requirements

  • Enrolled as a university student in Germany
  • Technical mindset and natural curiosity about how apps work
  • Comfortable navigating digital tools
  • High attention to detail and the patience to run structured, repetitive QA tasks with consistent accuracy
  • Precise written and verbal communication to turn edge-case behaviour into clear, reproducible steps
  • Ability to follow clear processes and adapt as priorities shift

Experience Level

InternEntry LevelMid-levelSeniorLeadExecutive

Benefits

Work on systems reaching hundreds of millions of users in adtech
Fast shipping culture with room to own projects
Diverse, global team from over 40 countries
Regular team celebrations and social events

πŸ’° Net Salary Calculator

Tax class 1, no church tax
Gross Salary
€60,528/year
€5,044/month
Total Deductions
€22,696
37% effective rate
Net Salary (Take Home)
€3,152/mo
€37,832/year

Deduction Breakdown

πŸ›οΈ Income Tax€9,533
🏦 Pension Insurance€5,629
πŸ₯ Health Insurance€5,296
🫢 Care Insurance€1,452
πŸ“‹ Unemployment Insurance€786

🏠 Cost of Living in Hamburg

Monthly Essentials

Rent (1BR)
€1400
Groceries
€320
Transport
€75
Utilities
€240
Internet
€40

Lifestyle & Entertainment

Eating Out
€13
Gym/Month
€45
Coffee
€4
Beer (0.5L)
€4
Cinema
€12
Monthly Net Salary:€3,152
Comfortable Living:€2,130
Monthly Savings:€1,022 (32%)
πŸ’°

Strong savings potential: You could save €1,022 monthly, which is €12,264 per year.

πŸ’‘ These estimates are based on average costs in Hamburg. Actual expenses vary based on lifestyle, neighborhood, and personal choices. "Comfortable living" includes rent, utilities, groceries, transport, and reasonable dining/entertainment.

Eligible for the EU Blue Card

A salary of €60,534 meets the EU Blue Card minimum of €45,300 (2026).

The EU Blue Card is a residence permit for highly qualified non-EU workers. It offers a fast track to permanent residency and allows family reunification.

Processing
4-12 weeks
Visa fee
€100
Requirements
University degree + Job offer

Also eligible: EU Blue Card (Shortage Occupation) (€41,042+)

Documents needed

Valid passport
Recognised university degree
Employment contract or binding job offer
Proof of salary meeting threshold
Health insurance coverage
Biometric passport photo
Explore visa & relocation guides

πŸ“ Life in Hamburg

πŸ‘₯
Population
1.9M
⭐
Quality of Life
8.0
πŸ‡¬πŸ‡§
English Friendly
8.0
πŸ’»
Tech Scene
7.0
🌍
International
8.0
πŸš‡
Public Transport
9.0
🚴
Bikeability
8.0
🌬️
Air Quality
6.0
🌳
Green Spaces
8.0
πŸš—
Car Free
7.0
ℹ️

About Hamburg

  • β€’Maritime heritage
  • β€’Strong economy
  • β€’Excellent infrastructure
🌀️

Climate

  • β€’Maritime climate
  • β€’Mild winters
  • β€’Cool summers
  • β€’Frequent rain
❄️Jan: 2Β°Cβ˜€οΈJul: 17Β°CπŸ“…Avg: 9Β°C
β˜€οΈ1650 sunshine hours/year
πŸ›‘οΈ

Safety

  • β€’Generally very safe
  • β€’Reeperbahn area needs caution
  • β€’Low violent crime
Overall:8.0
πŸ₯

Healthcare

  • β€’Excellent medical facilities
  • β€’UKE is renowned
  • β€’Good accessibility
Quality: 9.0Access: 9.0
🎭

Culture

  • β€’Elbphilharmonie
  • β€’Strong theater scene
  • β€’Musical capital of Germany
9.0
πŸŽ‰

Nightlife

  • β€’Reeperbahn
  • β€’Diverse scene
  • β€’Live music
8.0
🏞️

Recreation

  • β€’Alster lakes
  • β€’Port areas
  • β€’Planten un Blomen park
9.0
πŸ’°

Cost of Living

  • β€’Expensive but less than Munich
  • β€’Higher than Berlin
  • β€’Strong salaries
🏠 Rent (1BR center):€1400
⚑ Utilities:€240
πŸ›’ Groceries:€320
🍽️ Dining out:€20

Hamburg-based adtech company operating the world's #1 rewarded advertising offerwall (Playtime/Arcade) for mobile app monetization and user acquisition. Powered by AI and first-party data, processing ~6B API requests daily across 700M+ unique users. Part of the applike group, backed by Bertelsmann.

€per month
€2kthis job posts €4k – €6k€20k

Your situation in Germany

The default for anyone single, divorced or widowed.

Only changes the church tax rate β€” 8% in Bavaria and Baden-WΓΌrttemberg, 9% everywhere else.

Childless employees over 23 pay a higher Pflegeversicherung (care insurance) rate.