Senior Software Engineer
Company:Appfire Technologies, LLC.
Location:Spain
Languages:English
Seniority level:Senior, 5+ years
Experience:5+ years
Skills:
Software DevelopmentAgileFrontend DevelopmentFull Stack DevelopmentReact.jsTypeScriptREST APICI/CDProblem SolvingMentoring
Requirements:
5+ years of professional experience as a frontend or full-stack engineer Strong proficiency in TypeScript, React, modern JavaScript patterns, state management, and component architecture Experience building or maintaining cloud or serverless apps (Forge, AWS Lambda, or similar) Experience with REST APIs, asynchronous flows, and frontend performance optimization Solid understanding of CSS/SCSS and frontend build tooling (Webpack, Vite, or similar) Familiarity with Git, code review processes, and Agile/Scrum environments Strong problem-solving skills, ownership mindset, and ability to work independently
Responsibilities:
Design and implement high-quality features in React + TypeScript using Atlassian Forge Own complex product areas end-to-end Collaborate with product managers and designers Write clean, maintainable, well-tested code and participate in code reviews Troubleshoot and optimise frontend performance Improve reliability and scalability of existing Forge apps Mentor engineers, share best practices, and shape frontend standards Contribute to automation, CI/CD improvements, and internal tooling
