Android Developer

Engg; Poland; On-site; PLN 120,000 - 180,000; Full time

Job summary

Xebia in Poland seeks an experienced native Android developer to design and build scalable mobile experiences for complex integrations across partner ecosystems.

You will use Kotlin/Java, consume B2B RESTful APIs, implement secure session management, OAuth flows, deep-linking, and secure WebView integrations while delivering high-performance user interfaces and collaborating closely with product and engineering teams.

Work from the EU region with a valid work permit is required.

Qualifications

• Strong experience in native Android development.
• Deep expertise in Kotlin and/or Java.
• Experience consuming and integrating B2B RESTful APIs.
• Experience implementing secure session management and authentication.
• Hands-on with secure WebView integrations, token handovers, and OAuth.

Responsibilities

• Develop native Android solutions within New Ventures Core Tech area.
• Integrate partner ecosystems into a high-traffic mobile app.
• Design and implement smooth customer journeys and custom native dashboards.
• Implement secure identity verification and authentication flows.
• Build robust deep-linking mechanisms and secure WebView integrations.

Skills

Android development

Kotlin

Java

REST APIs

OAuth flows

WebView integrations

Deep linking

UI performance

Job description

Xebia is a global AI-first, digital transformation, and engineering partner. With over 25 years of experience and a team of 5,000 professionals across 16 countries, we help organizations design and build scalable products, platforms, and data-driven solutions. We specialize in Artificial Intelligence, Data and Cloud, Intelligent Automation, and Digital Products, combining deep technical expertise with a strong focus on engineering excellence and a people-first culture.

You will be: developing native Android solutions within the New Ventures Core Tech area, integrating partner ecosystems directly into the Purchasers high-traffic mobile application, designing and implementing smooth customer journeys and custom native dashboards, developing secure identity verification and authentication flows, building robust deep-linking mechanisms and secure WebView integrations to connect the mobile application with external partner systems, integrating remote B2B RESTful APIs and ensuring reliable communication between the mobile application and external services, implementing secure session management, token handovers, and OAuth flows, collaborating with product and engineering teams to deliver high-performance and seamless mobile experiences, contributing to technical decisions and ensuring that integrations meet high standards of security, performance, and usability.

Your profile: strong professional experience in native Android development, deep expertise in Kotlin and/or Java, extensive experience consuming and integrating B2B RESTful APIs in mobile applications, proven experience implementing secure session management and authentication mechanisms, hands-on experience with secure WebView integrations, token handovers, and OAuth flows on mobile, strong understanding of deep-linking and its implementation in Android applications, ability to design and develop smooth, responsive, and high-performance user interfaces, strong problem-solving skills and ability to work effectively in a complex, integration-heavy environment.

Work from the European Union region and a work permit are required.

Nice to have: familiarity with Android mobile accessibility guidelines and best practices, previous experience developing e-commerce applications, experience with mobile subscription flows, experience integrating native payment SDKs.

Recruitment Process: CV review - HR call - Interview - Client Interview - Decision