Senior Mobile Developer (Android)

Komodo Consulting; Lisboa; Hybrid; EUR 50,000 - 75,000; Full time

Job summary

Komodo Consulting is seeking a Senior Mobile Developer (Android) to join a technology project in Portugal. You will build high-quality Android apps using Kotlin and Jetpack Compose, and shape robust MVVM architectures for scalable solutions.

You will work in a hybrid setup (Lisbon/Hybrid Office) and collaborate with clients and cross-functional teams to deliver technically feasible, high-impact features. You will own features from development to deployment and contribute to testing and release

Qualifications

• Proficiency in Kotlin with exposure to Kotlin Multiplatform.
• Experience building declarative UIs with Jetpack Compose and Compose Multiplatform.
• Strong understanding of asynchronous programming with Coroutines or RxJava.
• Solid grasp of MVVM and common architectural patterns.
• Experience with unit and UI testing practices and tools.
• Knowledge of SOA, design patterns, and core data structures.
• Experience in cross-functional, feature-focused teams.
• Familiarity with test-driven development and continuous delivery.
• Ability to collaborate with clients to refine technical requirements.
• English proficiency at B2 level or above.

Responsibilities

• Build high-quality, scalable Android applications using Kotlin and Jetpack Compose.
• Design and implement robust architectures (MVVM) for maintainable solutions.
• Deliver smooth UX with thoughtful patterns and fluid interactions.
• Write clean, testable code with strong unit and UI test coverage.
• Own features from development through deployment and maintenance.
• Collaborate with clients and cross-functional teams to deliver high-impact solutions.
• Contribute to architectural and design discussions and decisions.
• Proactively diagnose and resolve production issues to maintain stability.

Skills

Kotlin

Kotlin Multiplatform

Jetpack Compose

Compose Multiplatform

Coroutines

RxJava

MVVM

Unit testing

UI testing

Architectural patterns

Cross-functional teams

Test-driven development

Continuous delivery

English (B2+)

Job description

About Us

Komodo Consulting is a technology and strategy firm specializing in Digital Transformation. Operating in Portugal and Poland, we provide IT Consulting & Nearshore services. We support both public and private sector organizations through two main areas:

• Consulting — with a focus on strategy, investment analysis, and digital process improvement;
• IT Team Augmentation — helping clients scale and strengthen their tech teams.

The Project

We are seeking a Senior Mobile Developer (Android) to work on a technology project.

You will have the following responsibilities:

• Build high-quality, scalable Android applications using Kotlin and Jetpack Compose;
• Design and implement robust architectures (e.g., MVVM) to ensure maintainable and extensible solutions;
• Deliver smooth, intuitive user experiences through thoughtful UX patterns and fluid visual interactions;
• Write clean, testable code and maintain strong unit and UI test coverage;
• Take full ownership of features from development through deployment and ongoing maintenance;
• Collaborate with clients and cross-functional teams to deliver technically feasible, high-impact solutions;
• Contribute to architectural and design discussions, shaping effective technical decisions;
• Proactively identify, diagnose, and resolve production issues to maintain system stability.

You need to have the following skills/experience:

• Proficiency in Kotlin, with exposure to Kotlin Multiplatform;
• Experience building declarative UIs with Jetpack Compose, including Compose Multiplatform where applicable;
• Strong understanding of asynchronous programming using Coroutines or RxJava;
• Solid grasp of software architecture patterns such as MVVM;
• Experience with unit and UI testing practices and tools;
• Knowledge of service-oriented architectures, design patterns, and core data structures;
• Experience working in cross-functional, feature-focused teams;
• Familiarity with test-driven development and continuous delivery practices;
• Comfortable collaborating with clients to refine and validate technical requirements;
• English proficiency at B2 level or above.

Location

Lisbon, Porto, Braga or Coimbra (Hybrid - 2 days per week at the office).