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Open nowPosted 27 days ago

Senior Android / Kotlin Multiplatform Engineer

Workable (global search)108,016 open roles

Where
Athens, Attica, Greece
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Your applicationOpen nowSenior Android / Kotlin Multiplatform EngineerWorkable (global search) · Athens, Attica, Greece

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The clock on this job

Early applications get read.

7.9% of postings close within 7 days. Measured by our own scanner across the market. Workable (global search) postings stay open a median of 7 days.

Share of postings closed within
  1. 1.6%1 day
  2. 3.6%3 days
  3. 7.9%7 days
  4. 14.9%14 days
  5. 34.0%30 days
This job: posted 27 days ago

Workable (global search) median: 7 days open

The posting

At Quento Technologies S.A., the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

At Quento Technologies S.A. we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Quento Technologies S.A. seeks a highly motivated and experienced a Senior Android / Kotlin Multiplatform Engineer to take ownership of our Android application and the shared Kotlin Multiplatform (KMP) business logic layer powering our mobile platform.

In this role, you will work across the full mobile stack, collaborating closely with backend teams to integrate APIs, define contracts, and ensure a seamless and secure mobile experience. You will also contribute to the evolution of a shared ecosystem used by both Android and iOS through our internal PowerCore SDK.

Your responsibilities will entail:

  • Own, develop, and maintain the Android application and shared KMP business logic layer;
  • Design and implement shared KMP modules including network services, API clients, and business logic;
  • Build and maintain Android UI using Jetpack Compose with MVVM architecture and Hilt dependency injection;
  • Collaborate with backend teams on API contracts and OpenAPI specifications;
  • Integrate mobile applications with backend microservices via REST APIs using Azure API Management;
  • Implement authentication flows using MSAL and Azure Entra External ID based on OAuth 2.0 and OIDC;
  • Manage Firebase services including Analytics, Crashlytics, and Cloud Messaging;
  • Write and maintain unit tests, UI tests, and integration tests;
  • Ensure GDPR compliance by maintaining consent management integrations (OneTrust or similar);
  • Develop and maintain WebView-based flows such as payments and identity verification, including secure auth token injection;
  • Support and enhance Android CI/CD pipelines in Azure DevOps;
  • Ensuring that all activities and duties are carried out in full compliance with regulatory requirements and supporting the continued implementation of the Group Anti-Bribery and Corruption Policy.

Requirements

  • University degree in Computer Science, Engineering, or a related field;
  • Strong proficiency in Kotlin;
  • Experience with Kotlin Multiplatform including shared modules, expect/actual, Coroutines, and Flow;
  • Solid experience in Android development using Jetpack Compose and MVVM architecture;
  • Hands-on experience with Hilt dependency injection;
  • Experience with Ktor HTTP client and kotlinx.serialization;
  • Familiarity with MSAL and authentication using OAuth 2.0 and OpenID Connect;
  • Experience integrating Firebase services on Android including Analytics, Crashlytics, and FCM;
  • Understanding of Android security best practices including secure token storage with Android Keystore;
  • Experience with Gradle Kotlin DSL and dependency management using version catalogs;
  • Proficiency with Android Studio, debugging tools, and performance profiling;
  • Experience building and testing Android applications using MockK, Espresso, and Compose UI testing;
  • Experience generating API clients from OpenAPI specifications;
  • Experience working in an Agile environment;

Nice to Have

  • Experience with consent management platforms such as OneTrust;
  • Familiarity with GraphQL and headless CMS platforms such as Sitecore XM Cloud;
  • Experience working with Android WebView for complex integrations;
  • Knowledge of CI/CD pipelines and release processes in Azure DevOps;
  • Experience contributing to shared SDKs or cross-platform mobile architectures;
  • Familiarity with Azure DevOps.

Benefits

Your Life @ Qualco Group On top of challenging work environment, we are offering:

💸 Competitive compensation, ticket restaurant card, and annual bonus programs 💻 Cutting-edge IT equipment, mobile and data plan 🏢 Modern facilities, free coffee and beverages, indoor parking, and company bus 👨‍⚕ Private health insurance, onsite occupational doctor, and workplace counselor 🏝️ Flexible working model, hybrid benefits & home equipment benefits 🤸‍♂️ Onsite gym, wellness facilities, and ping pong room 💡 Career and talent development tools 🎓 Mentoring, coaching, personalized annual learning and development plan 🌱 Employee referral bonus, regular wellbeing, ESG and volunteering activities

Your race, gender identity and expression, age ethnicity or disability make no difference in Quento Technologies S.A. We want to attract, develop, promote, and retain the best people based only on their ability and behavior.

Disclaimer: Quento Technologies S.A. collects and processes personal data in accordance with the EU General Data Protection Regulation (GDPR). We are bound to use the information provided within your job application for recruitment purposes only and not to share these with any third parties. For more details on the processing of your personal data during the Recruitment procedure, please be informed in the Recruitment Notice, before the submission of your application.

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