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Mobile App Engineer
  • Warsaw
Mobile App Engineer
Warszawa, Warsaw, Masovian Voivodeship, Polska
Jit Team sp. z o.o.
17. 1. 2026
Informacje o stanowisku

technologies-expected :


  • Capacitor
  • React
  • Next.js
  • React Native
  • iOS
  • Swift
  • Objective-C
  • Android
  • Kotlin
  • Java

about-project :


  • Project focuses on the development of cross-platform mobile applications delivering real-time energy market insights, analytics, and intelligence to a global customer base. The apps are built using Capacitor with React and Next.js, supported by native iOS and Android components to enable platform-specific functionality, high performance, and reliability.
  • We are looking for a Mobile App Engineer who will own the mobile architecture, performance optimization, and release process. You will work closely with Product, Design, and Backend teams to build high-quality, user-friendly applications, integrating backend APIs, analytics, push notifications, and native features across iOS and Android.

responsibilities :


  • Develop and maintain Capacitorbased mobile apps, leveraging React/Next.js for UI and native modules for platformspecific features
  • Manage release cycle and deployment to app stores for EAs mobile applications
  • Own the mobile component of our push notification engine, via Apple APNS and FCM on Firebase
  • Collaborate with UX/UI designers and engineers to implement mobile features
  • Monitor app health via analytics and crash reporting, and drive performance optimizations

requirements-expected :


  • Strong hands-on experience building and maintaining cross-platform mobile applications using Capacitor, React, and Next.js
  • Solid understanding of native mobile development for React Native, iOS (Swift/ Objective-C) and Android (Kotlin/ Java)
  • Experience managing mobile app release cycles, CI/CD pipelines, and App Store/ Google Play deployments
  • Proven knowledge of push notification systems, including APNS and Firebase Cloud Messaging
  • Strong understanding of RESTful APIs, authentication mechanisms, and data integration patterns
  • Experience with automated testing frameworks (XCTest, Espresso, Playwright, Appium)
  • Exposure to serverless architectures or deployment platforms (e.g., Vercel)
  • Ability to collaborate effectively with designers, backend engineers, and product stakeholders
  • Experience working with analytics, crash reporting, and performance monitoring tools
  • Excellent communication skills and fluency in spoken and written English

offered :


  • High level of autonomy and technical ownership, with real influence on architectural and product decisions
  • Opportunity to own and shape the mobile domain within a data-driven, market-leading product used by global energy professionals
  • Inclusive, multicultural workplace with a strong focus on employee wellbeing and work-life balance

benefits :


  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • life insurance
  • flexible working time
  • integration events
  • corporate library
  • no dress code
  • coffee / tea
  • drinks
  • parking space for employees
  • employee referral program
  • Jit Summer Office

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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