Senior React Native Developer

Please note that this opportunity is open to contractors (B2B only) based in Portugal.

The position is fully remote.

ResponsibilitiesCollaborate with product managers, designers, and engineers to gather requirements and translate them into technical solutions.

Design, develop, and maintain scalable web and mobile applications using React, React Native, and TypeScript.

Build and maintain front-end architecture and integrate applications with REST APIs, GraphQL, and AWS-based services.

Manage the build and distribution of React Native applications for iOS and Android (Expo EAS or native pipelines).

Ensure high engineering standards through testing, code reviews, and clean architecture.

Participate in Agile ceremonies including sprint planning, estimations, and retrospectives.

Monitor and optimize application performance, reliability, and usability.

Support the migration from legacy workflows to a React + React Native + AWS ecosystem.

Requirements3+ years of experience in React and React Native development.

Strong knowledge of JavaScript (ES6+), TypeScript, HTML5, and CSS3.

Experience integrating and consuming REST APIs.

Hands-on experience building and distributing React Native apps for iOS and Android (Expo EAS or native).

Basic experience with Node.Js and backend collaboration.

Familiarity with AWS or cloud-based frontend deployments (e.G., S3, CloudFront, Lambda, API Gateway).

Experience with GitHub and modern CI/CD workflows.

Ability to work effectively in Agile teams and communicate with cross-functional stakeholders.

Nice to haveBasic experience with Node.Js fundamentals (routing, API consumption, server-side logic).

Basic understanding of Salesforce or other CRM systems.

We offerOpportunity to work on bleeding-edge projects Work with a highly motivated and dedicated team Competitive salary Flexible schedule About UsGrid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services.

Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation.

A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience.