(Junior) Fullstack Developer (m/f/d) Individual Travel

CHECK24

•

Düsseldorf, Germany

•

3 months ago

Estimated salary

€5,250 – €7,927per month

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

Full-time 🏷️ Full Stack Development 📁 Entry-Level & Junior Tech Jobs (Visa Sponsored) in Germany

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Description

CHECK24 is shaping the future of digital comparison. The next generation of individual travel booking is being created: an AI travel planner that guides customers from inspiration to a fully booked trip via chat, including flights, hotels, and vacation rentals in a seamless flow with real-time bookings. As a (Junior) Fullstack Developer, you will work on innovative projects, develop full-stack features, integrate AI and LLM agents, and take ownership of technical implementations. You will collaborate closely with the product management team in a dynamic environment with flat hierarchies and a modern tech culture.

Requirements

Very good completed training as an IT specialist or a degree in a relevant field
Initial experience in full-stack web development and understanding of modern API development (e.g., type-safe APIs)
Interest in AI features with Large Language Models and initial experience with agentic workflows
Confident use of AI-assisted development – targeted use of LLMs and coding agents as tools
Quality-conscious, solution-oriented, and independent working style with initiative
Fluent German and good English skills

Languages

German

C2 · Fluent

A1A2B1B2C1C2

English

B1 · Intermediate

A1A2B1B2C1C2

Experience Level

InternEntry LevelMid-levelSeniorLeadExecutive

Benefits

Attractive salary package, vouchers for CHECK24 products, and subsidized company pension scheme

Work model of your choice: work in the office all week or mobile on Fridays, plus up to 2 weeks of workation

Personal development through targeted training, regular feedback, and an individual budget for further education

Top equipment: MacBook, additional screens, and ergonomic workplace from day one

Free lunch, drinks, fruit, muesli, and monthly team lunches; 50% subsidy for EGYM Wellpass and weekly personal training

Centrally located office near the Rhine; Germany ticket or subsidized Job Rad/eBike

Numerous events, summer and Christmas parties, and sports activities; team events supported with an annual budget

💰 Net Salary Calculator

Tax class 1, no church tax

Gross Salary

€79,056/year

€6,588/month

Total Deductions

€31,511

40% effective rate

Net Salary (Take Home)

€3,962/mo

€47,545/year

Deduction Breakdown

🏛️ Income Tax€15,355

🏦 Pension Insurance€7,352

🏥 Health Insurance€6,103

🫶 Care Insurance€1,674

📋 Unemployment Insurance€1,027

🏠 Cost of Living in Düsseldorf

Monthly Essentials

Rent (1BR)

€1150

Groceries

€300

Transport

€78

Utilities

€230

Internet

€38

Lifestyle & Entertainment

Eating Out

€15

Gym/Month

€45

Coffee

€4

Beer (0.5L)

€4

Cinema

€13

Monthly Net Salary:€3,962

Comfortable Living:€1,847

Monthly Savings:€2,115 (53%)

💰

Strong savings potential: You could save €2,115 monthly, which is €25,380 per year.

💡 These estimates are based on average costs in Düsseldorf. 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 €79,062 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 Düsseldorf

👥

Population

0.6M

⭐

Quality of Life

8.0

🇬🇧

English Friendly

8.0

💻

Tech Scene

8.0

🌍

International

8.0

🚇

Public Transport

9.0

🚴

Bikeability

7.0

🌬️

Air Quality

6.0

🌳

Green Spaces

7.0

🚗

Car Free

7.0

ℹ️

About Düsseldorf

•International business hub
•Strong advertising and fashion industries

🌤️

Climate

•Temperate oceanic climate
•Mild winters
•Warm summers

❄️Jan: 3°C☀️Jul: 19°C📅Avg: 11°C

☀️1600 sunshine hours/year

🛡️

Safety

•Generally safe
•Some pickpocketing in tourist areas

Overall:7.0

🏥

Healthcare

•University hospital
•Many private clinics

Quality: 9.0Access: 8.0

🎭

Culture

•Art galleries and museums
•Japanese cultural center

8.0

🎉

Nightlife

•Famous Altstadt (longest bar in the world)
•Altbier culture

8.0

🏞️

Recreation

•Rhine promenade
•Parks and gardens

8.0

💰

Cost of Living

•Expensive city
•High rents in central areas

🏠 Rent (1BR center):€1150

⚡ Utilities:€230

🛒 Groceries:€300

🍽️ Dining out:€17

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Category:Full Stack Development

Job Type:Full-time

Experience:Entry Level

Posted:3 months ago

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