As Group SARIA , we create value for our partners and the environment by acting as a reliable service provider and manufacturer of quality products for the agricultural, energy, animal feed, food, catering and pharmaceutical industries. Our wide portfolio of products and services is based on the transformation of animal by-products and organic waste into high-quality raw materials for new applications, conserving the scarce existing natural resources and making, through our business model, an important contribution to environmental sustainability.
At SARIA , we are building a culture where everyone can feel at home, regardless of their gender, age, culture, sexual orientation, religion and disability. Together, we are successful as a global team. We want to foster innovation and empower our teams to share new ways of thinking, making the most of diverse talent.
Our activities are characterised by entrepreneurial thinking combined with a high degree of local ownership. At the same time, as a family business, we value a hands-on mindset and want each employee to grow and develop their skills and career. It is this combination that sets us apart as an employer and characterizes life at SARIA .
We are excited for you to become part of our team and fully join the adventure ahead.
If you want to work with us and be part of our team as: Android Developer
Tasks
Maintain and improve Kotlin Android apps.
Integrate native features: RFID SDKs, scanning, camera, biometrics, NFC, offline sync.
Design simple UX for industrial and non-technical users.
Apply strong security practices (OWASP, secure data, permissions).
Ensure reliability: logs, crash reporting, analytics, performance.
Develop automated tests and support CI/CD.
Collaborate on REST/JSON APIs and OAuth2/OIDC.
Document decisions, SDK integrations, release notes.
Work closely with end users (operators/drivers) and iterate based on feedback.
Requirements
2+ years of Android Kotlin experience.
Experience with hardware/SDK integration (ideally RFID).
Ability to design simple workflows for non-technical users.
Knowledge of REST APIs, caching, offline-first patterns.
Mobile security practices (OWASP).
Fluency with Git-based workflows and CI/CD (e.g., Azure DevOps/GitHub Actions/Jenkins).
Testing experience (unit/instrumentation/UI).
Good communication skills in English; able to collaborate with cross-functional and distributed teams.
Nice to Have (Valued)
Experience with Angular, node.js and express framework for web applications
Experience with Ionic + Capacitor for cross-platform mobile apps and packaging to Android/iOS.
Basic Swift/Swift UI for iOS modules or Capacitor plugins.
Knowledge of OAuth2/OIDC flows in device/browser contexts.
Experience with App Distribution/MDM (Managed Play Store/Intune), app signing, and release processes.
Observability in mobile (Firebase Crashlytics, App Center, App Insights) and feature flagging.
Familiarity with Clean Architecture, MVVM, and dependency injection (Hilt/Koin).
Exposure to integration platforms and message brokers (e.g., APIs managed via API Management; Kafka is a plus).
Professional experiences
At least 3 years experience
Android Developer • granollers, Spain
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