Senior Node.js/TypeScript Developer (Remote)

Czym będziesz się zajmować? YOU WILL Design, develop, and maintain backend applications and REST APIs using Node.js, Express, JavaScript, and TypeScript. Build and maintain middleware layers and service integrations. Write clean, maintainable, and well-tested code following modern software development practices. Develop and maintain unit and integration tests using Jest, Vitest, or similar frameworks, applying TDD principles. Analyze and troubleshoot runtime errors, performance issues, and appl…