Mobile Software Engineer (iOS & Android)

  •  Reference Number: 29262
  •  Posted: 18 September 2026
  •  Form of employment: Contract
  •  Apply by: 31 October 2026

Functieomschrijving

Location: Poland (approximately 90% remote, with occasional on-site visits in Warsaw)


Responsibilities:

•    Design and develop software solutions based on project documentation.
•    Develop and maintain mobile applications for Android and iOS platforms.
•    Design and implement user interfaces in line with UX/UI best practices.
•    Integrate mobile applications with backend services.
•    Perform software testing, debugging, and troubleshooting.
•    Optimize application performance and ensure high-quality user experience.
•    Prepare and publish applications to the Google Play Store and Apple App Store.
•    Ensure data security within mobile applications.
•    Report on work progress and collaborate with project stakeholders.


Requirements:
•    Bachelor's degree or higher.
•    At least 5 years of professional experience gained through participation in IT projects.
•    Minimum 3 years of experience, acquired within the last 5 years, as a Mobile Application Developer in an IT project with a minimum value of PLN 50,000 net.
•    Hands-on experience with React.js and React Native.
•    Experience with state management libraries such as Redux, Zustand, or similar.
•    Strong knowledge of HTML5, CSS3, JavaScript, and TypeScript.
•    Experience developing applications for both iOS and Android platforms.
•    Experience publishing applications to the Apple App Store and Google Play Store.
•    Knowledge of Azure DevOps and version control systems, particularly Git.
•    Understanding of UI/UX design principles and WCAG accessibility standards.
•    Knowledge of mobile application and device security best practices.
•    Ability to work effectively in Agile/Scrum environments.
•    English proficiency sufficient to understand and work with technical documentation.


Our offer:
•    MultiSport Plus
•    Group insurance
•    Medicover Premium
 

header-over-companydesc

Experis to światowy lider rekrutacji specjalistów i kadry zarządzającej w kluczowych obszarach IT. Z nami znajdziesz konkurencyjne oferty zatrudnienia oraz ciekawe projekty IT skierowane zarówno do ekspertów z wieloletnim doświadczeniem, jak i osób, które dopiero zaczynają swoją przygodę w branży IT.

jefferson Wells is Norway's largest consulting & recruitment company with over 800 consultants. We offer recruitment of managers and highly qualified consultants with expertise in IT. Among our customers, you will find over 90 percent of Norway's largest listed companies. Experis is part of ManpowerGroup and has been named one of the world's most ethical companies.
Warszawa, Mazowieckie
The employment agency - Certificate No. 412