Senior Android Engineer - Kotlin, Secure Auth & Integrations

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 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.