<p> <strong>Headquarters:</strong> Sweden <br /><strong>URL:</strong> <a href="http://career.proxify.io">http://career.proxify.io</a> </p> <h3><strong>The Role:</strong></h3> <p> </p> <p>We are looking for a Senior Backend (Node.js / Nest.js) Developer to join our fast-growing network. You’ll be responsible for building modern and scalable web applications, working closely with backend developers and designers to create intuitive user experiences.</p> <p>This is a long-term, full-time remote role with opportunities to work on innovative projects that make a difference.</p> <p> </p> <h4><strong>What we’re looking for:</strong></h4> <ul> <li>5+ years with Node.js and 3+ past years with Nest.js</li> <li>Strong expertise in Node.js and Nest.js frameworks.</li> <li>Proven experience building REST and/or GraphQL APIs.</li> <li>Strong knowledge of JavaScript (ES6+) and TypeScript.</li> <li>Solid experience with relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB).</li> <li>Familiarity with authentication/authorization mechanisms (JWT, OAuth2).</li> <li>Experience with unit/integration testing (e.g., Jest, Mocha).</li> <li>Proficiency with Git and version control workflows.</li> <li>Located in CET timezone (+/- 3 hours), we are unable to consider applications from candidates in other time zones.</li> </ul> <p> </p> <h4><strong>Nice to Have:</strong></h4> <ul> <li>Experience with cloud platforms (AWS, Azure, GCP).</li> <li>Familiarity with CI/CD pipelines and DevOps practices.</li> <li>Understanding of event-driven architecture and message brokers (e.g., RabbitMQ, Kafka).</li> <li>Experience with Docker and containerized applications.</li> <li>Knowledge of microservices and serverless architectures.</li> </ul> <p> </p> <h4><strong>Responsibilities:</strong></h4> <ul> <li>Design and develop robust, scalable, and secure backend applications using Node.js and Nest.js.</li> <li>Implement RESTful APIs, GraphQL endpoints, and microservices architectures.</li> <li>O