Summa Linguae Technologies is seeking a talented Full-Stack JavaScript Developer to join our team and contribute to building high-performing, user-friendly applications. This role focuses on leveraging modern JavaScript frameworks and tools, including React, Node.js, and related libraries, to create seamless front-end and back-end solutions. The ideal candidate is well-versed in asynchronous programming, state management, API integrations, and responsive design. If you are passionate about delivering exceptional digital experiences and thrive in a collaborative environment, we want to hear from you!Please apply only if you are based in Europe: Work location and timezone: Europe - CETCore Technical SkillsProficiency in JavaScriptUnderstanding of asynchronous programming and event-driven architecture.Knowledge of RESTful APIs and (GraphQL).Proficiency in Node Package Manager (npm)Understanding of file systems, streams, and buffers.Strong understanding of React hooks (useState, useEffect, useReducer).Knowledge of Context API, or other state management tools.Familiarity with React Router for navigation and routing.Experience with component libraries.Proficiency in building and styling components with CSS modules, SASS, or Styled Components.Knowledge of server-side rendering (SSR)Experience with React Testing Library, Enzyme...General Frontend SkillsSolid grasp of HTML5, CSS3, and responsive design principles.Knowledge of modern CSS frameworks (e.g. Bootstrap).Experience with cross-browser compatibility issues and solutions.Database SkillsExperience with SQL databases (e.g., MySQL, SQLite).Nice to have skillsExperience with real-time frameworks like Socket.IO or WebSockets.Familiarity with security best practices (e.g., OAuth).Experience with performance optimization and scalability in backend applications.Familiarity with tools like Webpack, Babel, and ESLint.Understanding of progressive web applications (PWAs).Experience with CI/CD pipelines (e.g. GitHub Actions).Familiarity with containerization (Docker) and orchestration (Kubernetes).Knowledge of cloud platforms (Digital Ocean, AWS, Azure, Google Cloud) for deployment.Understanding of database performance optimization.Knowledge of microservices architecture.Understanding of AI/ML integration in applications.Soft SkillsAbility to collaborate in cross-functional teams using tools like JIRA, Microsoft Teams, Slack…Strong problem-solving skills and attention to detail.Excellent communication skills to explain technical concepts.Ability to write clean, maintainable, and well-documented code.Experience working in Agile/Scrum development environments.Goes without sayingGood communicator (listening & speaking)Fluent in English – any other language is a win!Flexible: sometimes we will need work to be done early in the morning, late at night or in the weekend.Smart & open minded, responsive on feedbackSelf-employed: we work with contractors. You can work from home but you may be asked to travel if needed.An entrepreneurial mindset, see work, see opportunity
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