Taller Technologies Group
PP - Fullstack Engineer
Taller Technologies Group, San Mateo, California, United States, 94409
Our client, a leading payments and digital wallet company, is seeking a highly skilled and experienced Senior Fullstack Engineer to join their dynamic engineering team. This role is critical to the company’s mission of delivering seamless, secure, and innovative monetary transaction solutions worldwide. The ideal candidate will independently develop and maintain a sophisticated web application, leveraging React on the front end and Node.js/Express on the back end. This position offers the opportunity to work on complex front-end challenges, build new features that impact millions of users globally, and ensure the highest quality through rigorous testing and debugging. The Senior Fullstack Engineer will collaborate closely with cross-functional teams to support smooth releases and continuous improvement of the product.
Location: We are seeking talents from
Argentina and Brazil. Responsibilities
Independently design, develop, and maintain scalable web applications using React for the front end and Node.js/Express for the back end. Solve complex front-end challenges, including UI/UX improvements, performance optimization, and responsive design to enhance user experience in a high-transaction environment. Build and implement new features related to global monetary transactions, ensuring security, reliability, and compliance with industry standards. Debug and resolve client-side and server-side issues efficiently, minimizing downtime and improving system stability. Write comprehensive unit and integration tests using Jest and React Testing Library to maintain high code quality and prevent regressions. Collaborate with other engineers, product managers, and QA teams to ensure quality assurance and smooth release cycles. Participate in code reviews, provide constructive feedback, and mentor junior engineers to foster a culture of continuous learning and improvement. Contribute to the full software development lifecycle, including requirements gathering, design, implementation, testing, deployment, and maintenance. Stay up-to-date with emerging technologies and industry trends to recommend and implement improvements that enhance product performance and scalability. Utilize DevOps tools and cloud services to support deployment, monitoring, and infrastructure management as needed. Requirements
Must-Have Skills
Strong experience with features, asynchronous programming, and modern development patterns. Ability to write clean, maintainable, and efficient code is essential for both front-end and back-end development. React : Strong experience with React, including component-based architecture, state management, and lifecycle methods. Ability to solve complex UI challenges and optimize rendering performance is critical. Node.js : Proficient in Node.js for server-side development, with a deep understanding of event-driven architecture, asynchronous I/O, and RESTful API design. Express : Experience building scalable and secure APIs using Express.js, including middleware integration, routing, and error handling. Jest : Skilled in writing unit and integration tests using Jest to ensure code reliability and maintainability. Familiarity with mocking, snapshot testing, and test coverage analysis. React Testing Library : Proficient in using React Testing Library to write tests that simulate user interactions and verify component behavior, ensuring a robust front-end codebase. Nice-to-Have Skills
CSS : Solid understanding of CSS, including Flexbox, Grid, and responsive design principles, to create visually appealing and accessible user interfaces. GraphQL : Experience with GraphQL APIs, including schema design, queries, mutations, and integration with React using Apollo Client. Cypress : Familiarity with Cypress for end-to-end testing to automate user flows and ensure application stability across releases. Jenkins : Knowledge of Jenkins for continuous integration and continuous deployment (CI/CD) pipelines, enabling automated build, test, and deployment processes. Jira : Experience using Jira for agile project management, including sprint planning, issue tracking, and collaboration with cross-functional teams. React Hooks : Deep understanding of React Hooks for managing state and side effects in functional components, improving code readability and reusability. Apollo GraphQL : Experience with Apollo GraphQL client for managing data fetching and caching in React applications, enhancing performance and developer experience.
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Location: We are seeking talents from
Argentina and Brazil. Responsibilities
Independently design, develop, and maintain scalable web applications using React for the front end and Node.js/Express for the back end. Solve complex front-end challenges, including UI/UX improvements, performance optimization, and responsive design to enhance user experience in a high-transaction environment. Build and implement new features related to global monetary transactions, ensuring security, reliability, and compliance with industry standards. Debug and resolve client-side and server-side issues efficiently, minimizing downtime and improving system stability. Write comprehensive unit and integration tests using Jest and React Testing Library to maintain high code quality and prevent regressions. Collaborate with other engineers, product managers, and QA teams to ensure quality assurance and smooth release cycles. Participate in code reviews, provide constructive feedback, and mentor junior engineers to foster a culture of continuous learning and improvement. Contribute to the full software development lifecycle, including requirements gathering, design, implementation, testing, deployment, and maintenance. Stay up-to-date with emerging technologies and industry trends to recommend and implement improvements that enhance product performance and scalability. Utilize DevOps tools and cloud services to support deployment, monitoring, and infrastructure management as needed. Requirements
Must-Have Skills
Strong experience with features, asynchronous programming, and modern development patterns. Ability to write clean, maintainable, and efficient code is essential for both front-end and back-end development. React : Strong experience with React, including component-based architecture, state management, and lifecycle methods. Ability to solve complex UI challenges and optimize rendering performance is critical. Node.js : Proficient in Node.js for server-side development, with a deep understanding of event-driven architecture, asynchronous I/O, and RESTful API design. Express : Experience building scalable and secure APIs using Express.js, including middleware integration, routing, and error handling. Jest : Skilled in writing unit and integration tests using Jest to ensure code reliability and maintainability. Familiarity with mocking, snapshot testing, and test coverage analysis. React Testing Library : Proficient in using React Testing Library to write tests that simulate user interactions and verify component behavior, ensuring a robust front-end codebase. Nice-to-Have Skills
CSS : Solid understanding of CSS, including Flexbox, Grid, and responsive design principles, to create visually appealing and accessible user interfaces. GraphQL : Experience with GraphQL APIs, including schema design, queries, mutations, and integration with React using Apollo Client. Cypress : Familiarity with Cypress for end-to-end testing to automate user flows and ensure application stability across releases. Jenkins : Knowledge of Jenkins for continuous integration and continuous deployment (CI/CD) pipelines, enabling automated build, test, and deployment processes. Jira : Experience using Jira for agile project management, including sprint planning, issue tracking, and collaboration with cross-functional teams. React Hooks : Deep understanding of React Hooks for managing state and side effects in functional components, improving code readability and reusability. Apollo GraphQL : Experience with Apollo GraphQL client for managing data fetching and caching in React applications, enhancing performance and developer experience.
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