Senior React Native Mobile Engineer FMCG, AI/ML Prototyping

Enfint; Warszawa; On-site; PLN 180,000 - 300,000; Full time

Job summary

Enfint is seeking a seasoned Mobile Engineer to design and deliver cross‑platform apps using React Native for iOS and Android. You will integrate Salesforce Mobile SDK and Smart Store DB, architect offline capabilities, and implement OpenCV powered features for image processing.

You will lead technical design, perform code reviews, optimize performance, and mentor junior developers while collaborating with backend teams on scalable solutions.

Qualifications

• Expert-level proficiency in React Native, JavaScript, and TypeScript.
• Hands-on experience with Salesforce Mobile SDK and Smart Store DB.
• Deep understanding of Redux for enterprise-scale mobile applications.
• Experience integrating OpenCV or similar native modules into React Native applications.
• Advanced proficiency in GitHub workflows and Git-based collaboration.
• Nice to have: ability to write native bridges for iOS/Android and connect to backend services.

Responsibilities

• Design and develop cross-platform mobile applications for iOS and Android using React Native.
• Implement and customize mobile solutions with Salesforce Mobile SDK.
• Architect offline-first capabilities using Smart Store DB, Salesforce Smart Store, and Smart Sync.
• Implement image processing and computer vision features using OpenCV.
• Manage complex application states and data flows with Redux or Redux Toolkit.
• Build high-fidelity responsive UIs for field force users and consumers.
• Manage source code branching strategies and pull requests with GitHub.
• Support Digital Emerging Technology initiatives by prototyping MobileFirst AI/ML features.
• Lead technical design for mobile modules.
• Perform code reviews.
• Optimize application performance, memory, and battery usage.
• Mentor junior developers in mobile best practices.

Skills

React Native

JavaScript

TypeScript

Redux

GitHub workflows

OpenCV

Salesforce Mobile SDK

Smart Store DB

Tools

Salesforce Mobile SDK

Smart Store DB

OpenCV

Job description

Enfint is seeking a seasoned Mobile Engineer to design and deliver cross‑platform apps using React Native for iOS and Android. You will integrate Salesforce Mobile SDK and Smart Store DB, architect offline capabilities, and implement OpenCV powered features for image processing.

You will lead technical design, perform code reviews, optimize performance, and mentor junior developers while collaborating with backend teams on scalable solutions.