Hard Rock Digital

Senior Web & Mobile Developer

24k - 28k PLN24 000 - 28 000 PLN/ mies./ mies.B2BB2B (netto)

SeniorZdalnie·GdańskFull-time·B2B

#455604·Dodano 16 dni temu·25

Źródło: justjoin.it

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Tech Stack / Keywords

React.JS TypeScript React NativefrontendMobileJavaScript HTML CSSMOBXRedux

Podsumowanie oferty

The Senior Web & Mobile Developer will build and evolve customer-facing experiences across web and mobile, as well as internal Back Office applications to manage the casino platform. The role involves strong expertise in React.js and React Native to deliver solutions on browser-based applications, native mobile platforms, and operational tooling. Collaboration with multiple stakeholders is key to delivering secure, performant, and user-centric products.

Wymagania

5+ years of professional frontend and/or mobile application development experience with recent production work across web and mobile.
Strong React.js expertise and 3+ years of production experience developing React Native applications with TypeScript.
Strong knowledge of TypeScript, JavaScript, HTML, and CSS.
Extensive experience with state management using MobX, Redux, or similar.
Strong experience integrating REST, GraphQL, and WebSocket APIs.
Experience building secure, performant, user-centric applications at scale.
Strong understanding of client development lifecycle including structure, platform APIs, debugging, performance, security, testing, and deployment.
Knowledge of client-server architecture and ability to contribute to technical and application architecture decisions.
Strong written and verbal communication skills.
Bachelor’s degree in Computer Science or related field, or equivalent experience.

Nice to have:

Experience in gaming, sportsbook, fintech, or other high-traffic regulated environments.
Strong browser-based debugging and web performance testing experience.
Familiarity with Webpack and modern frontend/mobile testing libraries.
Production experience with MobX.
Exposure to backend or full-stack development and API design.
Experience mentoring engineers or taking technical ownership across web and mobile projects.

Obowiązki

Work in an agile, cross-functional team to deliver platform experience across web, iOS, and Android.
Develop and maintain high-performance web applications in React.js and mobile applications in React Native using TypeScript.
Break down features into requirements, contribute to estimation, refine user stories, and define test coverage.
Develop frontend and mobile code to high standards and perform code reviews.
Collaborate with Backend Developers and Architects to design APIs and solve technical challenges with REST, GraphQL, and WebSocket integrations.
Support QA, Product, and Release Management to safely move development items to production.
Build and maintain mobile capabilities such as push notifications, background processing/loading, and offline/local content storage.
Participate in continuous integration and delivery for web and app store releases.
Use analytics, debugging, and performance tools to improve end-user experience.
Communicate effectively in English with managers, product owners, and stakeholders.
Work effectively in a highly regulated, high-traffic environment.

Inne informacje

Please be informed that the data controller is Hard Rock Digital (hereinafter "controller"). You have the right to request access to your personal data, their rectification, erasure or restriction of processing, the right to object to processing, as well as the right to data portability and to lodge a complaint to the supervisory authority. Personal data will be processed for the purpose of the recruitment process. Provision of data to the extent resulting from the Act of 26 June 1974 Labour Code is mandatory. In the remaining scope, providing data is voluntary. Refusal to provide mandatory data may result in the impossibility to carry out the recruitment process. The Administrator processes mandatory data on the basis of a legal obligation incumbent upon him/her, while with regard to additional data, the basis for processing is consent. Personal data will be processed until the recruitment procedure is completed and for the period of the possibility of asserting potential claims, and in the case of consent to participate in future recruitment procedures - until the withdrawal of such consent. Consent to the processing of personal data can be withdrawn at any time. The recipient of the data is the Just Join IT service and other entities to whom we have entrusted the processing of data in connection with recruitment.

Hard Rock Digital

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