Senior Mobile Engineer (Flutter) - Cross-Platform & AI-Driven

Lever, Inc.

Polska

Hybrid

PLN 180,000 - 280,000

Full time

11 days ago
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Job summary

Creatio, a global CRM and workflow platform provider, seeks a Mobile Developer in Poland to build cross‑platform experiences with Flutter and integrate with native Android/iOS apps. You will own features end‑to‑end, including offline scenarios and platform channels, while collaborating with the Tech Lead, QA, and Product teams.

The role emphasizes enabling AI-assisted development, clean architecture, and robust testing practices, with opportunities to mentor peers and influence architecture

Qualifications

  • 4+ years of professional software development experience, including 3+ years in mobile development.
  • Strong hands-on experience with Flutter and Dart.
  • Experience integrating cross-platform modules with native Android/iOS applications and working with platform-specific functionality.
  • Hands-on experience with JavaScript and TypeScript.
  • Good understanding of state management and unidirectional data flow, such as BLoC.
  • Solid knowledge of Clean Architecture, SOLID principles, dependency injection, and modular design.
  • Experience with REST APIs, JSON, local persistence, and offline/synchronization scenarios.
  • Familiarity with at least one native mobile technology: Java, Kotlin, Objective-C, or Swift.
  • Strong testing practices, including unit and widget testing.
  • Experience with Git, CI/CD, automated testing, and static analysis.
  • Practical exposure to AI-assisted development and agentic workflows, or strong interest in this area.
  • English level: Upper-Intermediate (B2) or higher.

Responsibilities

  • Design and implement mobile features end to end across Flutter and native Android/iOS layers.
  • Build reusable components and business features using native device capabilities, REST APIs, and offline scenarios.
  • Own the technical design and quality of delivered features, including data flow, edge cases, and testing.
  • Develop integrations between cross-platform and native functionality using platform channels.
  • Investigate and resolve production issues, including platform-specific, performance, and synchronization problems.
  • Review code and contribute to engineering guidelines, reusable components, and internal tooling.
  • Participate in technical research, prototyping, and validation of new capabilities.
  • Mentor middle and junior engineers through reviews, pairing, and knowledge sharing.
  • Collaborate with Tech Lead, Engineering Manager, QA, and Product teams to define workable technical solutions.
  • Occasionally contribute to backend (.NET/C#) or web (Angular/TypeScript) components.
  • Contribute to AI-assisted and agentic engineering practices within the team.

Skills

Flutter and Dart
REST APIs
JSON
State management (BLoC)
Clean Architecture
Git
CI/CD
TypeScript
Angular
Platform integration (Android/iOS)

Tools

Git
CI/CD
Angular
TypeScript

Job description

Creatio, a global CRM and workflow platform provider, seeks a Mobile Developer in Poland to build cross‑platform experiences with Flutter and integrate with native Android/iOS apps. You will own features end‑to‑end, including offline scenarios and platform channels, while collaborating with the Tech Lead, QA, and Product teams.

The role emphasizes enabling AI-assisted development, clean architecture, and robust testing practices, with opportunities to mentor peers and influence architecture

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