Senior Web & Mobile Engineer — React/Native (Remote Poland)

Hard Rock Digital; Polska; Remote; PLN 180,000 - 260,000; Full time

Job summary

Hard Rock Digital is seeking a Senior Web & Mobile Engineer based in Poland on a B2B contract to build and evolve customer-facing experiences across web and mobile. You will collaborate with Product, Design, QA, Backend, and Casino Ops to deliver secure, performant, user-centric solutions for both customer-facing products and Back Office tools.

You will work in an agile team, write TypeScript in React.js and React Native, and contribute to API design with REST/GraphQL/WebSocket integrations

Qualifications

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

Responsibilities

• Work in an agile, cross-functional team to deliver the best possible platform experience across web, iOS and Android.
• Develop and maintain high-performance web applications in and mobile applications in React Native using TypeScript.
• Break down features into requirements, contribute to estimation, refine user stories, and help define appropriate test coverage.
• Develop frontend and mobile code to a high standard and perform code reviews for other engineers.
• Collaborate with Backend Developers and Architects to design APIs and solve technical challenges across REST, GraphQL and WebSocket integrations.
• Support QA, Product and Release Management in moving development items safely 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 for Apple App Store / Google Play Store releases.
• Use analytics, debugging and performance tooling to understand and continuously improve the end-user experience.

Skills

React.js

React Native

TypeScript

JavaScript

HTML/CSS

MobX/Redux

REST/GraphQL/WebSocket

Frontend architecture

English communication

Education

Bachelor's degree in Computer Science

Tools

React Native

TypeScript

Redux

GraphQL

Job description

Hard Rock Digital is seeking a Senior Web & Mobile Engineer based in Poland on a B2B contract to build and evolve customer-facing experiences across web and mobile. You will collaborate with Product, Design, QA, Backend, and Casino Ops to deliver secure, performant, user-centric solutions for both customer-facing products and Back Office tools.

You will work in an agile team, write TypeScript in React.js and React Native, and contribute to API design with REST/GraphQL/WebSocket integrations