(Junior) Data Scientist (m/f/d) – Generative AI Rental Car International
Estimated salary
€5,262 – €7,939per month
Auto-estimated from similar roles, location, experience & market data. Actual pay may vary.
Description
CHECK24's rental car comparison team is expanding internationally and is hiring a Junior Data Scientist to build Generative AI and LLM-based applications, such as intelligent processing of customer inquiries and feedback. The role involves designing applications that work across multiple languages and markets, taking LLM features from idea through evaluation, development, integration and stable production operation. The data scientist will also build repeatable tests and monitoring to measure response quality, reliability, latency and cost as usage grows, working closely with product management, IT and other AI teams at CHECK24.
Requirements
- Passion for Generative AI and LLMs, following current developments closely
- Excellent degree in Computer Science, Data Science, Mathematics, Physics or a comparable analytical-technical discipline
- Practical experience building LLM applications (academic, personal or professional projects), e.g. with context engineering, integrating external data/systems, or evaluating multi-step workflows
- Strong Python programming skills, writing clean and maintainable code, not just prototypes; familiarity with Git, APIs and integrating existing systems
- Ability to structure complex problems quickly, evaluate different technical approaches and pragmatically decide which delivers the most value
- Fluent German and good English skills, written and spoken
Languages
German
C2 · FluentA1A2B1B2C1C2
English
C1 · AdvancedA1A2B1B2C1C2
Experience Level
InternEntry LevelMid-levelSeniorLeadExecutive
Benefits
Central office at Donnersbergerbrücke in Munich with food trucks, supermarket and discounted fitness memberships
Free Deutschlandticket, subsidized bike/e-bike leasing, and free bike parking
High-performance laptop, two extra monitors or a curved monitor, plus individual ergonomic equipment on request
Autonomous, agile work with short decision paths and release cycles
Option for permanent employment and career growth, with regular feedback from experienced colleagues
Free chilled drinks, organic coffee/cocoa/muesli/fruit, and free lunch five times a week
Team events such as beer garden visits, office parties, and summer/Christmas celebrations
💰 Net Salary Calculator
Tax class 1, no church tax
Gross Salary
€79,200/year
€6,600/month
Total Deductions
€31,494
40% effective rate
Net Salary (Take Home)
€3,975/mo
€47,706/year
Deduction Breakdown
🏛️ Income Tax€15,323
🏦 Pension Insurance€7,365
🏥 Health Insurance€6,103
🫶 Care Insurance€1,674
📋 Unemployment Insurance€1,029
🏠 Cost of Living in Munich
Monthly Essentials
Rent (1BR)
€1650
Groceries
€350
Transport
€90
Utilities
€250
Internet
€45
Lifestyle & Entertainment
Eating Out
€15
Gym/Month
€55
Coffee
€4
Beer (0.5L)
€5
Cinema
€13
Monthly Net Salary:€3,975
Comfortable Living:€2,422
Monthly Savings:€1,553 (39%)
💰
Strong savings potential: You could save €1,553 monthly, which is €18,636 per year.
💡 These estimates are based on average costs in Munich. 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 €79,206 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
📍 Life in Munich
👥
Population
1.6M
⭐
Quality of Life
9.0
🇬🇧
English Friendly
8.0
💻
Tech Scene
9.0
🌍
International
8.0
🚇
Public Transport
9.0
🚴
Bikeability
8.0
🌬️
Air Quality
7.0
🌳
Green Spaces
8.0
🚗
Car Free
6.0
ℹ️
About Munich
- •Tech hub with strong startup ecosystem
- •Excellent public services
- •Close to Alps
🌤️
Climate
- •Continental climate
- •Cold winters with snow
- •Warm summers
- •Close to Alps
❄️Jan: 0°C☀️Jul: 19°C📅Avg: 9°C
☀️1900 sunshine hours/year
🛡️
Safety
- •Safest major city in Germany
- •Very low violent crime
- •Occasional pickpocketing
Overall:9.0
🏥
Healthcare
- •World-class hospitals
- •Short wait times
- •Comprehensive coverage
Quality: 10.0Access: 9.0
🎭
Culture
- •Rich arts scene
- •World-famous museums
- •Strong music tradition
🎉
Nightlife
- •Vibrant beer gardens
- •Clubs
- •Cultural events
🏞️
Recreation
- •Parks
- •English Garden
- •Alps nearby
💰
Cost of Living
- •Most expensive city in Germany
- •High salaries compensate somewhat
🏠 Rent (1BR center):€1650
⚡ Utilities:€250
🛒 Groceries:€350
🍽️ Dining out:€22
Engagement
Views
0today
7 days2
all-time3
Applies
0today
7 days0
all-time0
Part of Collections
CHECK24 is Germany's largest online comparison platform, covering insurance, energy, telecom, finance, travel, and e-commerce verticals with its own in-house product and engineering teams.
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