Aubay
Senior Mobile Engineer with React Native
Lisbon
July 17, 2025
Full-time
Your connection with Aubay starts in the following lines:
Aubay Portugal is a multinational French company, in Portugal since 2007. We have offices in Lisbon and Oporto and we are a specialized consultant in Management, Implementation, Development and Maintenance of Information Systems. We have more than 150 active partners and we operate in sectors such as banking, insurance, telecommunications, services, energy and transports.
What you are going to do?
- Lead the development and maintenance of client mobile applications using React Native, Expo, and TypeScript.
- Collaborate with the several squads to implement secure, scalable, and user-friendly payment solutions.
- Ensure seamless integration with backend services and third-party providers.
- Champion mobile app performance, usability, and security best practices.
- Innovate by introducing new features, optimizing existing functionalities, and driving improvements.
- Work closely with designers and product managers to create intuitive, impactful user experiences.
- Design and implement state-of-the-art mobile features.
- Take ownership of app modules and services.
- Ensure the development and delivery of high-quality software.
- Write and maintain robust, well-tested code.
- Participate in technical decisions for client mobile products.
- Stay updated on the latest trends in mobile development and banking technologies.
What are we looking for?
- 7+ years of experience in mobile app development using React Native and TypeScript.
- Proven experience with Expo in building scalable and performant mobile applications.
- Strong understanding of mobile app design principles, including responsive layouts and UX best practices.
- Familiarity with secure coding practices for payments and financial applications.
- Experience with testing frameworks (e.g., Jest, Detox) to ensure the delivery of high-quality features.
- Knowledge of CI/CD pipelines for mobile apps is a plus.
- Experience working with RESTful APIs and GraphQL.
- Familiarity with mobile app performance optimization and debugging tools.
- Strong team player with excellent communication skills.
- Fluent in English.
What do we have to offer you?
- Health Insurance.
- Feedback&Coffee – the system that includes Aubay’s Performance Management Cycle, with regular moments of feedback and the Career Progression Model.
- Working model: Hybrid (In Lisbon).
- A Training Academy designed to think of you and your needs. You can count on technical and behavioural training sessions (e-Learning and classroom), Meet&Techs, Webinars and Mentoring.
- Events and Teambuildings.
What makes us different?
- Our organizational culture is based on values such as transparency, team spirit, regular feedback and continuous learning.
- Reference prizes and birthday present.
- Lounge.
- We don’t have a dress code.
- We know your name and all address each other informally.
- Coffee and varied snacks at your disposal.
- You will grow in good company. Isn’t this one of the ways in which to develop professionally?
If we got your attention, we now hope to spark your enthusiasm. Ready for the first phase?
We are waiting for you at
Personal Data collected by AUBAY PORTUGAL as Data Controller, regarding the identification, contact and professional capabilities of the candidates, in the present procedure, will be processed for the application analysis, having in consideration that the processing is conducted in order to to take the steps, at the request of the data subject, prior to entering into a contract.
Personal data sent through the present application will be kept by Aubay during the application procedure and will remain stored whilst updated (for one year period). The collected data might be transferred or include other processing activities, as long as the data subject is informed, in the occurrence of a standard application and selection procedure, for the compliance of legal obligations for the time required by law. For any queries or request regarding personal data protection rights, the Data Subject may contact AUBAY PORTUGAL’s headquarters in Avenida Duque D`Ávila, nº46 em Lisboa or use the DPO’s e-mail -
The Data Subject also has the right to file a complaint with the National Data Protection Authority –
(please do not include data regarding racial or ethnical origins, political opinions, religion, philosophy, biometrical data, health data, sexual life and orientation, or relating to criminal convictions and offences.)
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