KMP App Developer

Infoplaza BV; Amsterdam, Houten; On-site; EUR 50,000 - 70,000; Full time

Benefits offered by this job

Company fitness subscription

Bicycle plan

Work-from-home allowance

Travel allowance

25 vacation days

Social and sporting events

Job summary

Infoplaza BV in Amsterdam is looking for a medior KMP developer to join their team. You'll work on leading weather applications impacting millions globally. Responsibilities include developing shared logic for iOS/Android using Kotlin Multiplatform and collaborating in an agile environment. Ideal candidates should have 1 year experience with KMP and 3+ years in mobile development. The role offers a hybrid work model with a focus on continuous improvement and project creativity. Additional perks include vacation days and team events.

Qualifications

• 1 year experience of working with KMP.
• 3+ years of experience with Mobile development.
• Strong verbal and written communication skills in English.

Responsibilities

• Develop and maintain shared business logic for iOS and Android using Kotlin Multiplatform.
• Collaborate with product owners and UX designers.
• Monitor app performance and optimise for better user experience.

Skills

KMP (Kotlin Multiplatform)

Mobile development (Kotlin/Java/Swift)

MVVM architectural pattern

SOLID principles

Unit testing

Tools

Firebase

Job description

Are you an KMP developer who enjoys building apps that make a real impact? We are looking for a medior developer to expand our team. At Infoplaza, you’ll work on leading weather applications used by millions of consumers and businesses worldwide. Join our international team and help shape innovative digital products such as Weeronline, Weerplaza, and Buienalarm while working with cutting‑edge technology in a fast‑growing digital environment.

What you will do

• Collaborate with product owners, mobile developers, UX designers, and meteorologists to develop and maintain high‑quality weather and travel apps.
• Contribute to UX/UI improvements and provide valuable input on design and user experience.
• Ensure seamless integration between front‑end and back‑end development.
• Monitor app performance and continuously optimise for better user experience.
• Engage in technical discussions and contribute innovative ideas.
• Create and maintain troubleshooting documentation.
• Develop and maintain shared business logic for iOS and Android using Kotlin Multiplatform (KMP).

You will work in Infoplaza’s Development division with developers of different disciplines and different nationalities. The department is divided into a Weather Technology team and 3 Product Development Squads: Network for our consumer activities, Business for our business customers and Mobility for our mobility solutions. Each squad has dedicated mobile developers, you’ll have the opportunity to explore different teams if you wish—allowing you to work on diverse apps related to weather and travel!

What you can expect

• Work in an agile, international team where your contributions make a real impact.
• Regular releases—no big bang launches, just continuous improvements.
• Creative freedom to bring your ideas to life within project scope.
• Cross‑functional collaboration with developers across different disciplines.
• A culture of innovation, continuous learning and knowledge‑sharing.

What you need to bring

• 1 year experience of working with KMP (Kotlin Multiplatform).
• 3+ years of experience with Mobile development (Kotlin/Java/Swift).
• Knowledge of the MVVM architectural pattern and appreciation of clean architecture.
• Familiarity with modularisation and scalable app architectures.
• Strong knowledge of SOLID principles and OOP.
• Experience with crash and analytics tools such as Firebase.
• Hands‑on experience with integrating and optimising ads in apps.
• Strong understanding of unit testing to ensure high‑quality code.
• Strong verbal and written communication skills in English.
• A problem‑solving mindset with a keen eye on delivering the best quality.
• Currently living in The Netherlands with a valid work permit is a must.

What we offer

• Work within a successful and fast‑growing organisation on one of the most discussed topics: the weather. The dynamics of the weather provide a continuous challenge.
• Develop solutions used by millions of people.
• Work in an international team of specialists to inspire and support you.
• A lot of freedom in planning and carrying out your work.
• An inspiring work environment in which you can develop yourself and showcase your talents.
• Informal and hands‑on culture with short communication lines.
• 32–40 hr. workweek.
• Hybrid working options.
• We also offer various other employment conditions to increase your job satisfaction and vitality! Such as a company fitness subscription, a bicycle plan, fresh fruit at the office, a work‑from‑home allowance, travel allowance, 25 vacation days and the option to purchase additional holiday days. And many social and sporting events are organised in which you can participate, from cycling or padel to (Mario) karting and the monthly Thursday afternoon drinks.