Senior Mobile Application Developer

  • 360 Code Lab Sp. z o.o.
  • Warsaw
  • 18 000 - 20 000 PLN net / month
  • B2B


Experience level: Senior

Technical requirements:

  • Background in commercial Flutter development
  • Working knowledge of certificates and CAs, encryption
  • Technically strong OOP (one or more of Kotlin, Swift, Sava, Objective C)
  • Able to articulate the benefits of writing code according to SOLID principles (and others)
  • An advocate for patterns such as MVC, BLOC, repository (for example)
  • Understands principles of Agile estimation
  • A pragmatic attitude to delivery, able to balance deadlines with technical requirements and scope

Skills requirements:

  • Skills across multiple software development platforms and tools. Specifically, Android and/or iOS development
  • Experience building cross-platform apps using Flutter
  • Experience with APIs, and building and maintaining Dart SDKs
  • Advanced user of GIT
  • Experience writing unit tests
  • Background in messaging apps highly desirable
  • Experience collaborating with product and design thinkers, turning supplied designs into code
  • Understanding of system design, performance, scalability data structures and algorithms
  • Familiar with automation (CI/CD) tools and processes
  • Able to communicate (verbally and in writing) fluently, in English


Necessary on this position:
  • Kotlin or Swift or Sava or Objective C
  • Git
  • iOS or Android
  • MVC or BLOC

Project you can join

Main activities:

  • Delivery of quality software written in Flutter
  • Participating as part of a distributed agile (Kanban, kanplan or scrum) team


  • Laptop
  • PC
  • Additional monitor
  • Headphones
  • Personal container
  • Phone
  • Freedom to pick your tools
  • Operating system

Work environment

  • Tech supervisor
  • Open space
  • Separate rooms
  • Dress code
  • Flexible working hours
  • Business trips: Usually once per quarter


  • Healthcare package
  • Healthcare package for families
  • Leisure package
  • Leisure package for families
  • Cold beverages
  • Hot beverages
  • Fruits
  • Snacks
  • Lunches
  • Adaptation tips
  • Language courses
  • Temporary housing
  • Help finding an apartment
  • Visa Services
  • Sign up bonus
  • Flight ticket
  • Money for moving expenses
  • Conferences
  • Trainings
  • Books
  • Car parking
  • Bicycle parking
  • Shower
  • Chill room
  • Playroom for children
  • Integration events

People who may interview you

Maximilian Bielecki
Managing Director
Karolina Opaczyńska
HR Generalist

Contact this employer

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