Mobile Engineer

Teya

Mobile Engineer developing cross-platform solutions for small businesses across Europe. Building and enhancing Teya’s mobile applications to empower business owners effectively.

Posted 5/11/2026full-timePorto • 🇵🇹 PortugalMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AndroidFlutteriOSKotlin

About the role

Key responsibilities & impact

To empower small and medium-sized businesses across Europe by building and enhancing Teya’s mobile applications.
Deliver scalable, secure, and innovative solutions that help business owners thrive and reconnect with the joy of running their businesses.
Develop cross-platform mobile applications using Flutter and Kotlin.
Write clean, maintainable, and secure code to address complex business problems.
Prioritize performance, scalability, and maintainability in all development tasks.
Seamlessly integrate various APIs and SDKs, ensuring reliability and efficiency.
Focus on delivering a modern, intuitive, and user-friendly experience for merchants across Europe.
Collaborate with cross-functional teams to align technical solutions with business objectives.
Actively participate in critical project decisions, including architecture design, framework selection, and tool evaluation.
Mentor and support team members, fostering a collaborative and growth-oriented environment.
Continuously improve applications while applying automation best practices to reduce waste and error.
Work within Agile/Scrum methodologies, ensuring timely delivery, iterative improvements, and collaboration across teams.

Requirements

What you’ll need

Kotlin Multiplatform Experience: Hands-on experience developing and shipping KMP projects, including shared business logic and platform-specific implementations
Mobile Development: Strong background in either Android (Kotlin) or iOS development with understanding of mobile app architecture patterns
SDK Development: Experience building SDKs, libraries, or frameworks that other developers consume, with focus on API design and developer experience
Payment Technology Knowledge: Understanding of contactless payments, NFC technology, or financial transaction processing (preferred but not required for exceptional KMP candidates)
Advanced Kotlin: Deep expertise in Kotlin language features, coroutines, and multiplatform-specific APIs
Cross-Platform Architecture: Understanding of shared code strategies, expect/actual patterns, and platform-specific implementations
API Integration: Experience with RESTful services, secure communication protocols, and third-party API integration
Testing & Quality: Strong testing practices including unit testing, integration testing, and automated testing frameworks
Security Awareness: Understanding of secure coding practices, especially relevant to financial/payment applications.

Benefits

Comp & perks

We trust you, so we offer flexible working hours, as long it suits both you and your team;
Health Insurance;
Meal Allowance;
25 days of Annual leave (+ Bank holidays);
Public Transportation Card;
Frequent team events & activities in the office and outside;
Office snacks every day;
Friendly, comfortable and informal office environment.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

KotlinFlutterKotlin MultiplatformSDK DevelopmentAPI IntegrationRESTful servicesUnit TestingIntegration TestingAutomated TestingSecure Coding Practices

Soft Skills

CollaborationMentoringProblem SolvingCommunicationTeamworkAgile MethodologiesGrowth-oriented MindsetCritical ThinkingDecision MakingUser Experience Focus