Mobile Application Engineer

September 30, 2026

Hybrid

Senior

Warszawa

Worth knowing

Mandatory office attendance
English is required
English CV required

Description

LeoVegas is looking for a Mobile Application Engineer specializing in React Native to join the frontend team and build mobile apps for the Dutch market, including BetMGM and LeoVegas. The role covers end-to-end delivery of features such as bonus flows and user onboarding, working closely with product managers, designers, backend and web engineers and QA. Candidates need at least 5 years of mobile development experience across iOS and Android with strong React Native and TypeScript skills.

Responsibilities

Develop and maintain high-quality React Native applications for both iOS and Android
Ensuring a smooth, engaging and intuitive user experience
Working on apps for the Netherlands market, such as BetMGM and LeoVegas
Improving and enhancing applications with a strong product focus
Delivering products and features end to end as part of the frontend team
Taking our Bonus features and user onboarding to the next level

Requirements

At least 5 years of experience as a mobile developer for Android and iOS
Strong, hands-on experience with React Native
Proficiency in TypeScript
Good understanding of core JavaScript principles and concepts
Experience with cloud integrations
Experience with REST APIs, GraphQL and version control
Familiarity with CI/CD pipelines
Experience writing unit tests
Hands-on experience optimizing mobile performance
Experience with GitHub Actions
Experience with Firebase
Experience with monitoring tools such as Datadog
Experience with the app release lifecycle (App Store and Google Play)

Conditions

Hybrid work policy
4 weeks of Workation (T&C apply)
Benefits package - 800 PLN net (B2B)/gross (UOP) monthly with access to the cafeteria platform (private medical care, insurances, sports card)
Training budget
ICAS assistance program that can provide help and guidance during challenging moments
Free parking for bicycles and motorcycles
Free gym in the building
Equipment: MacBook Pro + smartphone (iPhone 16/17 or Samsung Galaxy S25)

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