(Junior) Full Stack Developer (m/w/d) Individual Travel

CHECK24

•

Düsseldorf, Germany

•

1 week 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

Be the first to apply today

Description

CHECK24, Germany's leading digital comparison platform, is building the next generation of individual-travel booking: an AI travel planner that guides customers in a chat from inspiration to a fully booked trip in a single flow. As a (Junior) Full Stack Developer for the Individualreisen (individual travel) product in Dusseldorf, you will work end-to-end across backend data logic, LLM services and their orchestration, and user-friendly frontend components. You will build intelligent features with large language models and agentic workflows while ensuring quality through strict typing, static analysis, and automated testing. The role suits an early-career developer with first full-stack experience, business-fluent German, and good English.

Requirements

Successfully completed apprenticeship as an IT specialist (Fachinformatiker) or a degree in a relevant field
First experience in full-stack web development, with an understanding of modern API development (e.g., type-safe APIs) and clean data and interface modeling
Interest in AI features with large language models and first exposure to agentic workflows
Confident use of AI-assisted development (LLMs and coding agents) with the relevant patterns, alongside solid own programming skills
Quality-conscious, solution-oriented, and independent working style with a growth mindset
Business-fluent German and good English

Languages

German

C2 · Fluent

A1A2B1B2C1C2

English

C1 · Advanced

A1A2B1B2C1C2

Experience Level

InternEntry LevelMid-levelSeniorLeadExecutive

Benefits

Attractive salary package, CHECK24 product vouchers, and a subsidized company pension

Work in the office all week or remotely on Fridays, plus up to 2 weeks of workation

Targeted training, regular feedback, and an individual development budget

MacBook, additional monitors, and an ergonomic workspace from day one

Free lunch, drinks, fruit, and cereal, monthly team lunches, a 50% EGYM Wellpass subsidy, and weekly personal training

Covered Deutschlandticket or subsidized JobRad/eBike; central office near Heinrich-Heine-Allee

Team events, summer and Christmas parties, and a dedicated annual team-event 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

Be the first to apply today

Category:Full Stack Development

Job Type:Full-time

Experience:Entry Level

Posted:1 week ago

Part of Collections

Entry-Level & Junior Tech Jobs (Visa Sponsored) in Germany

CHECK24

Germany: Düsseldorf

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.

Taxfix SE · Berlin, Germany

Business Audit Manager

N26 · Berlin, Germany

Head of Business Internal Audit

N26 · Berlin, Germany

Full-Stack Software Engineer - Recommendation & Lifestyle Intelligence (All Genders)

Zalando SE · Berlin, Germany

Senior Associate Audit & Operations

N26 · Berlin, Germany

React / React Native Senior Software Engineer (All Genders)

Zalando SE · Berlin, Germany