Senior Android Developer: Kotlin, Bluetooth & API-Driven Apps

Postnord; Solna kommun; On-site; SEK 750,000 - 1,100,000; Full time

Job summary

Sesam is PostNord's platform for digital access to parcel lockers and other locked delivery spaces across the Nordics. As an Android Developer, you will build and maintain mobile solutions that communicate with backend services, APIs, third‑party SDKs and physical hardware.

You will work with Kotlin and Jetpack Compose, Bluetooth integrations and REST APIs, participate in architecture discussions, and help evolve the Sesam platform with modern development practices and CI/CD.

Qualifications

• BSc in Engineering, Computer Science or equivalent experience.
• 5+ years of mobile development experience.
• Strong Android development experience in Kotlin and/or Java.
• Experience with Jetpack Compose.
• Experience with asynchronous and reactive programming.
• Experience integrating REST APIs and backend services.
• Experience with Bluetooth communication.
• Experience integrating third-party SDKs.
• CI/CD, testing and modern development practices.
• Professional proficiency in English.

Responsibilities

• Build and maintain mobile solutions that communicate with backend services, APIs and hardware.
• Contribute to architecture discussions and future evolution of the Sesam platform.
• Work with Android development using Kotlin and Jetpack Compose.
• Handle Bluetooth device integrations and REST API communications.

Skills

Android development

Kotlin

Jetpack Compose

Bluetooth

REST APIs

CI/CD

Testing

English

Java

Education

BSc in Engineering/Computer Science

Job description

Sesam is PostNord's platform for digital access to parcel lockers and other locked delivery spaces across the Nordics. As an Android Developer, you will build and maintain mobile solutions that communicate with backend services, APIs, third‑party SDKs and physical hardware.

You will work with Kotlin and Jetpack Compose, Bluetooth integrations and REST APIs, participate in architecture discussions, and help evolve the Sesam platform with modern development practices and CI/CD.