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# Web Developer

- **Company:** Yuno
- **Location:** Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, JavaScript (Programming Language), Amazon Web Services, Amazon S3, Unit Testing, Cascading Style Sheets (CSS), Code Review, Continuous Integration, Data Integration, Cursor (Graphical User Interface Elements), Software Debugging, Node.Js, Payment Service Provider, Scrum Methodology, E2e Testing, Next.js, Software Engineering, TypeScript, Management of Software Versions, Web Applications, Apache Yarn, GitHub Copilot, ReactJS, Delivery Pipeline, Large Language Models, Backend, Git, Low Latency, Npm(Software), Bitbucket, GPT, Docker
- **Published:** August 11, 2026
- **Apply:** https://es.trabajo.org/oferta-4112-16d911c77627da4752c85884fbb91ab0

## About the Role

SDK releases Skills You Need Minimum Qualifications +3 years of experience using React Advanced English level (written and spoken) to work with international teams and documentation Strong knowledge of JavaScript, React, Node, CSS, Git, NPM Demonstrated knowledge using unit testing, E2E testing, CI/CD Autonomy in tasks executions Demonstrated knowledge in typescript, OPP and yarn Experience using SCRUM framework Experience using Nest, NextJS, Storybook, Emotion, AWS servicios (S3, Amplify), Docker, Bitbucket Experience using AI-assisted development tools (e.g., Claude Code, Cursor, GitHub Copilot, ChatGPT, or similar) as part of the software development lifecycle Experience leveraging Large Language Models (LLMs) to support software design, implementation, debugging, testing, documentation, and code reviews Fluent English. Preferred Qualifications Enthusiasm for understanding and analyzing complex problems. Experience in the payment industry. Experience integrating Payment Service

## Description

a Web Developer, you will be part of the Core Checkout Team. They are in charge of all the transactional parts and the way in which merchants are integrated into Yuno. Your contribution will be Integration of user-facing elements developed by front-end developers with server-side logic Writing reusable, testable, and efficient code Design and implementation of low-latency, high-availability, and performant applications Implementation of security and data protection Integration of data storage solutions Create a design system and web components that will be used in third party applications Ensure SDK compatibility across different browsers, frameworks, and integration environments Optimize bundle size, tree-shaking, and build performance for SDK distribution Collaborate with backend and mobile teams to ensure SDK consistency across platforms Maintain high-quality documentation and developer experience for SDK integrators Design and maintain automated pipelines for publishing and versioning


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