Android Developer, Sesam App, Solna

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 digitally locked delivery spaces across the Nordics.

As part of PostNord's growing Out of Home delivery network, Sesam enables secure and seamless interactions between customers, delivery personnel and a wide range of locker solutions.

Behind the simple user experience lies a complex technical environment involving mobile apps, APIs, backend services, third-party SDKs, Bluetooth-enabled hardware and integrations with multiple locker providers across Nordic markets.

We're now looking for an experienced Android Developer to join our team and help shape the future of our Out of Home network.

About the Role

As an Android Developer, you will build and maintain mobile solutions that communicate with backend services, APIs, third-party SDKs and physical hardware.

You'll work with:

• Android development using Kotlin and Jetpack Compose

• Bluetooth communication and device integrations

• REST APIs and backend services

• Background processing and synchronization

• CI/CD, testing and modern development practices

You will also contribute to architecture discussions, technical decisions and the future evolution of the Sesam platform.

Who You Are

You are a proactive problem-solver who takes ownership and enjoys collaborating with others. You are curious, open to new ideas and focused on creating solutions that are simple, stable and maintainable.

You believe great software is built through teamwork, knowledge sharing and continuous improvement.

We believe you have:

• BSc in Engineering, Computer Science or equivalent experience

• 5+ years of mobile development experience

• Strong Android development experience, in either 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

• Experience with CI/CD, testing and modern development practices

• Professional proficiency in English

Nice to Have

• iOS development (Swift/SwiftUI)

• Experience with IoT or hardware-connected applications

• Authentication and secure access solutions

• Multi-vendor integrations

• BigQuery, Looker Studio or similar analytics tools

• Proficiency in Swedish or another Scandinavian language

About us
We move the Nordics forward. PostNord offers reliable and fast services in parcel, mail and integrated logistics across the Nordics, with a clear target of reaching net-zero emissions by 2040. By connecting people, places, and opportunities, we help our customers grow and provide convenient deliveries for consumers. With our unique Nordic network and climate leadership, we shape the future of e commerce and logistics. In 2025, the Group had around 27,000 employees and sales of SEK 36,2 billion. The Parent Company is a Swedish public limited company with Group headquarters in Solna, Sweden. We are PostNord - a fantastic company to work and grow with. Read more at group.postnord.com

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