justtrack

Mobile Software Engineer (SDK)

β€’β€’
4 months ago
Estimated salary
€5,216 – €7,463per month

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

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Description

We are looking for a Mobile Software Engineer (SDK) to join our SDK team, focusing on building the justtrack SDK across mobile and web platforms with a primary focus on iOS. You will work in a highly technical team alongside other engineers and a Tech Lead to develop a marketing and analytics SDK. The role involves ensuring solutions are efficient, easy to use for external developers, and provide a best-in-class developer experience. At justtrack, we build a SaaS business that provides app and game publishers with tools to manage their global growth marketing process, including managing, analyzing, and automating marketing processes and gathering deep mobile product insights. As part of the Applike Group, backed by Bertelsmann, we have access to industry experts and funding with a long-term growth mindset.

Requirements

  • 3+ years of experience building software, preferably in the mobile domain (Native Android/iOS or cross-platform frameworks such as React Native, Flutter, or Unity)
  • Solid knowledge of one or more of the primary languages: Kotlin, Swift, JavaScript/TypeScript, C#, or Go
  • Experience building and optimizing CI/CD pipelines and automation
  • Comfortable working with the terminal, understanding networking basics, and effectively leveraging AI tools to learn and improve code when needed
  • Move fast, eager to learn, strong business mindset, pragmatic yet precise, avoid overcomplicating things, ready to explore new technologies including greenfield projects

Experience Level

InternEntry LevelMid-levelSeniorLeadExecutive

Benefits

Regular feedback and development program to support your growth and career goals
Visa support and relocation bonus to help you settle in Hamburg, including language training
Flexible working hours, 30 vacation days, 3 weeks of remote work per year, free access to an in-house gym with fitness classes, and mental health support through Employee Assistance Program (EAP)
Central office with Alster Lake view, top-notch equipment, fun open spaces, and a large variety of snacks and drinks
Regular team and company events, including hackathons and social gatherings

πŸ’° Net Salary Calculator

Tax class 1, no church tax
Gross Salary
€76,068/year
€6,339/month
Total Deductions
€30,134
40% effective rate
Net Salary (Take Home)
€3,827/mo
€45,934/year

Deduction Breakdown

πŸ›οΈ Income Tax€14,295
🏦 Pension Insurance€7,074
πŸ₯ Health Insurance€6,103
🫢 Care Insurance€1,674
πŸ“‹ Unemployment Insurance€988

🏠 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:€3,827
Comfortable Living:€2,130
Monthly Savings:€1,697 (44%)
πŸ’°

Strong savings potential: You could save €1,697 monthly, which is €20,364 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 €76,074 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 mobile measurement, attribution, and marketing automation SaaS for app/game publishers. Provides tracking, real-time attribution, campaign optimization, and automation across the global marketing growth process. Founded in 2022 as part of the applike group; processes 1B+ events/day.

Visa sponsorship available
Relocation support provided
€per month
€2kthis job posts €5k – €7k€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.