Senior Web Developer

Remote, Europe time zones, Full Time, Individual Contributor, +6 years of experience Who We AreAt Yuno, we are building the payment infrastructure that allows all companies to participate in the global market. Founded by seasoned experts from the payments and tech industries, our technology provides access to leading payment capabilities, enabling companies to engage customers confidently and maintain global operations through seamless integrations.We empower high-performing teams at brands like InDrive, McDonald’s, Rappi, and Viva Aerobus to integrate over 1,000 payment methods via a single API. By leveraging advanced AI and the latest technologies, we orchestrate smart routing and fraud prevention across 80+ countries. About The RoleWe are orchestrating the best high-performing team!  If you are a Senior Web Developer professional passionate about innovation, joining Yuno will allow you to transform your passion into real high-impact solutions, contributing to our global expansion.As 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 logicWriting reusable, testable, and efficient codeDesign and implementation of low-latency, high-availability, and performant applicationsImplementation of security and data protectionIntegration of data storage solutionsCreate a design system and web components that will be used in third party applicationsEnsure SDK compatibility across different browsers, frameworks, and integration environmentsOptimize bundle size, tree-shaking, and build performance for SDK distributionCollaborate with backend and mobile teams to ensure SDK consistency across platformsMaintain high-quality documentation and developer experience for SDK integratorsDesign and maintain automated pipelines for publishing and versioning SDK releases Skills You NeedMinimum Qualifications +3 years of experience using ReactAdvanced English level (written and spoken) to work with international teams and documentationStrong knowledge of JavaScript, React, Node, CSS, Git, NPMDemonstrated knowledge using unit testing, E2E testing, CI/CDAutonomy in tasks executionsDemonstrated knowledge in typescript, OPP and yarnExperience using SCRUM frameworkExperience using Nest, NextJS, Storybook, Emotion, AWS servicios (S3, Amplify), Docker, BitbucketExperience using AI-assisted development tools (e.g., Claude Code, Cursor, GitHub Copilot, ChatGPT, or similar) as part of the software development lifecycleExperience leveraging Large Language Models (LLMs) to support software design, implementation, debugging, testing, documentation, and code reviewsFluent English.Preferred QualificationsEnthusiasm for understanding and analyzing complex problems.Experience in the payment industry.Experience integrating Payment Service Providers.Knowledge in Backend languages.Experience building custom workflows using AI agents, MCP servers, development assistants, or engineering automation platforms.Experience defining AI-driven development practices within engineering teams. What We Offer at YunoCompetitive CompensationRemote Work - You can work from everywhere!Home Office Bonus - A one-time allowance to help you create your ideal home office.Work EquipmentStock OptionsHealth Plan wherever you are.Flexible Days OffWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed or wish to exercise your data protection rights, please contact us at hiring@y.uno.