Senior Android Engineer — Kotlin Multiplatform, LLMs & TMS

b3consultingpoland; Warszawa; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Health and sports benefits

Speed Coaching

Team sports and competitions

Scandinavian culture and open dialogue

Job summary

B3 Consulting Poland is seeking a Senior Android Developer to design and build a mobile TMS-class system from scratch, using Kotlin, Kotlin Multiplatform and Jetpack Compose. You will help form a new mobile team and shape architecture and standards from day one.

Join a culture focused on learning and innovation, with opportunities to work across Poland and internationally while applying LLMs to streamline SDLC workflows.

Qualifications

• 5+ years of commercial exp. with Android development and Kotlin Multiplatform (KMP).
• Expert knowledge of the Android SDK and device configurations.
• Experience with Jetpack libraries, Android Architecture components and MVVM/Clean Architecture.
• Hands-on experience with LLMs and agentic development for SDLC support.
• English B2+, Polish C1+ or native; eligible to work in Poland.

Responsibilities

• Designing and building a mobile application for a TMS class system using Kotlin, Kotlin Multiplatform and Jetpack Compose.
• Co-create a new mobile team setup for this project with influence on architecture and standards from day one.
• Integrate the application with API interfaces and logistics systems and leverage LLMs to support SDLC processes.

Skills

Android development

Kotlin Multiplatform

Jetpack

MVVM

Clean Architecture

LLMs

Agentic development

Tools

Firebase

Job description

B3 Consulting Poland is seeking a Senior Android Developer to design and build a mobile TMS-class system from scratch, using Kotlin, Kotlin Multiplatform and Jetpack Compose. You will help form a new mobile team and shape architecture and standards from day one.

Join a culture focused on learning and innovation, with opportunities to work across Poland and internationally while applying LLMs to streamline SDLC workflows.