Remote Mobile Engineer - Kotlin/Swift for Retail Apps

Madiff; United States; Remote; USD 110,000 - 160,000; Full time

Benefits offered by this job

Solid salary

Fully remote

Healthcare

International projects

Long-term B2B contract

Job summary

Madiff is recruiting remote Mobile Engineers (Android or iOS) to enhance a large-scale retail app used across international markets. You will build features, improve UX, and drive performance while integrating with SAP S/4HANA, Azure Data Lake, and modern payment solutions.

Ideal candidates bring production-grade Android or iOS experience, strong REST/API knowledge, and collaborative skills in a fast-paced, multinational environment. English and Polish proficiency is required.

Qualifications

• Commercial mobile development experience on Android or iOS.
• Production-grade mobile components in fast-paced teams.
• REST API integration and backend alignment.
• Knowledge of mobile performance, state management and architecture.
• Git and Agile delivery experience.
• Proficient communication in Polish and English.

Responsibilities

• Build and deliver mobile features for Android (Kotlin/Java) or iOS (Swift).
• Transform UX prototypes into production-ready components.
• Implement API integrations and align with backend systems.
• Ensure performance, stability and secure mobile flows.
• Collaborate with backend, design and analytics teams on end-to-end features.
• Support modernization of modules and engineering best practices.

Skills

Android Kotlin/Java

iOS Swift

REST APIs

Mobile architecture

Git

Agile delivery

Polish language

English language

Job description

Madiff is recruiting remote Mobile Engineers (Android or iOS) to enhance a large-scale retail app used across international markets. You will build features, improve UX, and drive performance while integrating with SAP S/4HANA, Azure Data Lake, and modern payment solutions.

Ideal candidates bring production-grade Android or iOS experience, strong REST/API knowledge, and collaborative skills in a fast-paced, multinational environment. English and Polish proficiency is required.