Android Developer (Construction Tech)

Design, develop, and maintain Android applications using Kotlin and Jetpack Compose

Participate in architecture discussions and technical decision-making

Refactor, optimize, and modernize existing Android codebases

Implement scalable and maintainable features following Clean Architecture principles

Troubleshoot and resolve application issues and performance bottlenecks

Integrate native Android capabilities including NFC, Bluetooth, and Camera SDKs

Collaborate with cross-functional teams including iOS engineers, QA specialists, backend developers, and product stakeholders

Participate in all phases of the software development lifecycle

Contribute to code quality initiatives, peer reviews, and continuous improvement processes

Support CI/CD and engineering automation initiatives

3+ years of commercial experience in Android development

Strong proficiency in Kotlin and modern Android development practices

Hands-on experience with Jetpack Compose, Coroutines, Flow, Retrofit, and Android SDK

Experience with MVVM and Clean Architecture approaches

Solid understanding of software engineering fundamentals, including OOP, algorithms, data structures, and design patterns

Experience with dependency injection and unit testing tools such as Mockito and JUnit

Strong analytical and problem-solving skills

Ability to independently drive feature development and technical solutions

Strong communication and collaboration skills

Intermediate or higher English level

Bachelor’s degree in Computer Science, Computer Engineering, or equivalent practical experience

WILL BE A PLUS

Experience with Java, XML, and Android Data Binding

Experience modernizing legacy Android applications

Migration experience from XML-based UI to Jetpack Compose

Experience transitioning legacy navigation approaches to Navigation Compose

Experience with CI/CD pipelines and release automation

Scripting and process automation experience

Experience using AI-assisted engineering tools in development workflows

Portfolio of published Android applications on Google Play or GitHub

PERSONAL PROFILE

Proactive and ownership-driven mindset

Strong collaboration and communication skills

Attention to code quality and maintainability

Ability to work effectively in agile distributed teams

Interest in modern mobile technologies and continuous improveme

Join a product-focused team developing modern mobile solutions used daily by hundreds of thousands of users across construction sites worldwide. We are looking for a Middle Android Developer who is passionate about scalable mobile applications, clean architecture, and modern Android technologies.
We at Sigma Software collaborate closely with a sustainable European Customer headquartered in Sweden to build digital products that improve workforce management, operational efficiency, and worker safety. You will become part of a mature engineering environment with strong technical expertise and close integration into the Customer’s organization.
This is an opportunity to work on long-term product development, contribute to business-critical solutions integrating software and hardware technologies, and grow alongside experienced Middle and Senior engineers.
CUSTOMER
Our Customer is a sustainable European product company headquartered in Sweden that develops digital solutions for workforce and construction site management. The company focuses on improving operational efficiency and worker safety through connected mobile applications and smart physical devices. Sigma Software engineers work as an integrated part of the Customer’s agile product organization.
PROJECT
The project focuses on building mobile and web products for workforce presence tracking and access management on construction sites worldwide. The platform combines software products with physical devices, allowing users to register entrances and exits, remotely unlock doors, and interact with construction machinery directly from mobile applications.
The product is business-critical and continues to scale rapidly, serving hundreds of thousands of active users daily. The engineering team follows modern Android development practices with a strong focus on maintainability, scalability, and continuous improvement.
Originally posted on Himalayas