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Senior Front-End Developer (React,TypeScript) at FusionHit. We are looking for a highly skilled . Senior Front-End Developer (React/TypeScript) or Full Stack Developer . with strong front-end experience and some exposure to .NET on the backend.. You will be joining a fast-paced, dynamic environment within FusionHit, working with our client in the financial sector. This long-term position offers the opportunity to shape and develop internal tools using cutting-edge front-end technologies, with occasional contributions to backend services.. Our client is a leader in the financial services industry, specializing in innovative equipment financing solutions. Their mission is to modernize the way businesses secure funding for essential assets by providing customized leasing options that meet diverse company needs.. his project focuses on building a new internal application to streamline operations and enhance user experiences.. Location:. Must reside and have work authorization in Latin America. . The ideal candidate has:. . Bachelor's in Computer Science, Software Engineering, or a related field.. . 5+ years of experience in front-end development with . React. and . TypeScript. .. . Strong understanding of . modular frontend architecture. and best practices.. . Experience working with . design systems. and . shared UI kits. .. . Proficiency in styling with . CSS Modules. , . SCSS. , or . CSS-in-JS. .. . Strong knowledge of . React Router. for routing.. . Experience working in . monorepo. environments.. . Proficiency in . unit testing. with . Jest. or similar frameworks.. . Solid grasp of . state management. patterns such as useState, useContext, and . Redux. .. . Track record of improving performance and following modern frontend . best practices. .. . Familiarity with . linting. , . code formatting. , and . pre-commit hooks. using tools like . ESLint. , . Prettier. , and . Husky. .. . Some experience integrating front-end apps with backend services, ideally using . .NET / C#. .. . . Nice to have:. . Experience working with . Azure DevOps. and deployment pipelines.. . Understanding of backend integration and API patterns, especially C# services.. . Experience handling . authentication context. and . token sharing. across applications.. . Familiarity with . design tokens. , . style dictionary. , and . Figma token workflows. .. . Experience configuring or extending . Webpack. and using . Module Federation. .. . Key Responsibilities:. . Develop modern, responsive front-end applications using . React and TypeScript.. . . Collaborate with designers and backend developers to build seamless, performant user interfaces.. . Help implement and maintain scalable front-end architecture and shared UI components.. . Occasionally support backend integration and communicate effectively with .NET services.. . Ensure high-quality, maintainable code by applying best practices and performing code reviews.. . Contribute to CI/CD processes and ensure smooth deployments through DevOps collaboration.. . Stay up to date with React ecosystem trends and contribute ideas to improve the developer experience.. . Perks of working at FusionHit:. . Work From Home position. . Private Medical Insurance. . Corporate Access to FusionHit Udemy Account. . Personal and Professional Development Courses & Certifications. . Flexible Schedule. . 3 Sick Days per year. . Birthday Off. . Extra Days for Special Occasions. . Team Building Meal Reimbursement. . Equipment Granted. . Monthly Recognitions. . High Impact Committees. . Are you curious already?. . View our Reviews on . Glassdoor. . . Take a look at our company . Facebook page. . . Check out our . company culture video. . . Company Location: Costa Rica.