Sigma Software is seeking a Middle/Senior Front-End Engineer with strong React and TypeScript expertise to build scalable, customer-facing features for onboarding, pricing, subscriptions, and payment experiences. You will develop and enhance front-end applications using React and TypeScript and work in a cross-functional team with Product Managers, Designers, QA Engineers, and Backend Engineers to deliver impactful features that support business growth. The role emphasizes high-quality code, automated tests, and involvement in architecture decisions, while also contributing to engineering processes and developer experience. You may assist with backend-related tasks when needed. Ideal candidates have 4+ years of commercial software development experience and deep knowledge of React, TypeScript, JavaScript, and RxJS, along with experience in automated testing frameworks, modern development tooling, and CI/CD practices. English should be upper-intermediate or higher. This is a remote-friendly position based in Lisbon, Portugal.

Sigma Software is seeking a Middle/Senior Front-End Engineer with strong React and TypeScript expertise to build scalable, customer-facing features for onboarding, pricing, subscriptions, and payment experiences. You will develop and enhance front-end applications using React and TypeScript and work in a cross-functional team with Product Managers, Designers, QA Engineers, and Backend Engineers to deliver impactful features that support business growth. The role emphasizes high-quality code, automated tests, and involvement in architecture decisions, while also contributing to engineering processes and developer experience. You may assist with backend-related tasks when needed. Ideal candidates have 4+ years of commercial software development experience and deep knowledge of React, TypeScript, JavaScript, and RxJS, along with experience in automated testing frameworks, modern development tooling, and CI/CD practices. English should be upper-intermediate or higher. This is a remote-friendly position based in Lisbon, Portugal.