CHECK24

Full-Stack Developer (m/f/d) – AI & Digital Innovation Explorer

••
5 months ago
Estimated salary
€4,930 – €7,733per month

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

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Description

CHECK24 is the leading comparison portal in Germany, combining market leadership with a dynamic startup culture. The company leverages cutting-edge tools, technologies, and state-of-the-art AI methods to drive innovation and enhance the user experience for over 20 million customers across more than 50 products. Within the CHECK24 Explorer experience comparison, the team enables users to easily find, compare, and book experiences such as city tours, snorkeling trips, and cooking classes. As a Full-Stack Developer, you will develop end-to-end features in a dynamic environment, focusing on customer value and data-driven systems that deliver personalized recommendations. This role is based in Erfurt and offers the opportunity to work with modern AI tools and contribute to a growing product.

Requirements

  • Several years of experience with technologies such as PHP, Go, Next.js/React
  • Fullstack mindset with willingness to learn new technologies
  • Experience with AI tools like Cursor and familiarity with concepts like LLM, MCP, or RAG
  • Team player with initiative and enthusiasm for building something new in a dynamic environment
  • Fluent German and very good English skills

Languages

German
C2 · Fluent
A1A2B1B2C1C2
English
C1 · Advanced
A1A2B1B2C1C2

Experience Level

InternEntry LevelMid-levelSeniorLeadExecutive

Benefits

Permanent contracts and attractive compensation with annual bonuses for exceptional performance
Vouchers for numerous CHECK24 products, subsidized company pension scheme, and additional discounts
One-time relocation bonus of €2,000 when moving to Erfurt
Individual career development, training, personal training budget, regular feedback sessions, and coaching
Autonomous, agile working with room for ideas in an innovative environment, including access to cutting-edge AI tools with flexible token budget
Subsidy for job/Deutschlandticket and bike/eBike leasing
Flexible working hours, more than 30 days of vacation for excellent performance, option for additional unpaid leave, sabbaticals, and workation abroad
Office culture with personal exchange, close collaboration, and team spirit; possibility for mobile work on Fridays
Daily free CHECKito lunch, drinks, muesli, and fresh fruit
Attractive sports program with personal trainer, yoga, bootcamp, and 50% subsidy for EGYM Wellpass
Collegial and friendly environment with sports activities, celebrations, and regular team events

💰 Net Salary Calculator

Tax class 1, no church tax
Gross Salary
€75,972/year
€6,331/month
Total Deductions
€30,090
40% effective rate
Net Salary (Take Home)
€3,823/mo
€45,882/year

Deduction Breakdown

🏛️ Income Tax€14,261
🏦 Pension Insurance€7,065
🏥 Health Insurance€6,103
🫶 Care Insurance€1,674
📋 Unemployment Insurance€987

🏠 Cost of Living in Erfurt

Monthly Essentials

Rent (1BR)
€800
Groceries
€300
Transport
€60
Utilities
€220
Internet
€35

Lifestyle & Entertainment

Eating Out
€12
Gym/Month
€40
Coffee
€3
Beer (0.5L)
€4
Cinema
€11
Monthly Net Salary:€3,823
Comfortable Living:€1,483
Monthly Savings:€2,340 (61%)
💰

Strong savings potential: You could save €2,340 monthly, which is €28,080 per year.

💡 These estimates are based on average costs in Erfurt. 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 €75,978 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

📍 Life in Erfurt

👥
Population
0.2M
⭐
Quality of Life
7.0
🇬🇧
English Friendly
6.0
💻
Tech Scene
6.0
🌍
International
6.0
🚇
Public Transport
7.0
🚴
Bikeability
8.0
🌬️
Air Quality
7.0
🌳
Green Spaces
7.0
🚗
Car Free
8.0
ℹ️

About Erfurt

  • •Diverse economy
  • •Growing opportunities
🌤️

Climate

  • •Temperate climate
  • •Moderate seasons
❄️Jan: 1°C☀️Jul: 18°C📅Avg: 9°C
☀️1650 sunshine hours/year
🛡️

Safety

  • •Generally safe
  • •Low crime rates
Overall:7.0
🏥

Healthcare

  • •Good hospitals
  • •Adequate coverage
Quality: 7.0Access: 8.0
🎭

Culture

  • •Cultural venues
  • •Local events
7.0
🎉

Nightlife

  • •Bars and venues
6.0
🏞️

Recreation

  • •Parks
  • •Sports facilities
7.0
💰

Cost of Living

  • •Moderate costs
  • •Good value
🏠 Rent (1BR center):€800
⚡ Utilities:€220
🛒 Groceries:€300
🍽️ Dining out:€13

Engagement

Views
0today
7 days0
all-time8
Applies
0today
7 days0
all-time0

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.

Relocation support provided
€per month
€2kthis job posts €5k – €8k€20k

Your situation in Germany

The default for anyone single, divorced or widowed.

Only changes the church tax rate — 8% in Bavaria and Baden-Württemberg, 9% everywhere else.

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