About the role
Job Description
We're looking for a detail-oriented and analytical Back End Node.js Developer to join our growing engineering team in Barcelona, Spain. In this role, you will design, develop, and maintain robust server-side applications using Node.js, working collaboratively with cross-functional teams to deliver scalable and efficient solutions. The ideal candidate will demonstrate strong problem-solving abilities and a commitment to writing clean, well-organized code that meets our high standards for quality and performance.
* Develop and maintain back-end services and APIs using Node.js and JavaScript, ensuring optimal performance and reliability * Design and implement efficient database solutions, including schema design and query optimization * Write clean, maintainable code following established coding standards and best practices * Collaborate with front-end developers, product managers, and other stakeholders to understand requirements and deliver integrated solutions * Conduct code reviews and provide constructive feedback to team members to maintain code quality * Troubleshoot, debug, and resolve technical issues in a systematic and organized manner * Implement and maintain automated testing frameworks to ensure application stability and reduce bugs * Participate in system architecture discussions and contribute to technical decision-making * Monitor application performance and implement optimizations to enhance efficiency * Document code, APIs, and technical processes for team knowledge sharing and future reference
Qualifications
**Required Skills and Experience:**
* Proficiency in Node.js and JavaScript with demonstrated experience building production-level applications * Strong understanding of RESTful API design and implementation * Experience with relational and/or NoSQL databases (e.g., PostgreSQL, MongoDB, MySQL) * Solid knowledge of version control systems, particularly Git * Experience with asynchronous programming and event-driven architecture * Familiarity with server-side frameworks and libraries (e.g., Express.js, Fastify) * Understanding of software development best practices and design patterns * Proven ability to write organized, efficient, and well-documented code
**Preferred Skills and Experience:**
* Experience with TypeScript for type-safe development * Knowledge of microservices architecture and distributed systems * Familiarity with containerization tools such as Docker * Experience with testing frameworks and test-driven development (TDD) * Understanding of CI/CD pipelines and deployment processes * Experience with cloud platforms (e.g., AWS, Google Cloud, Azure) * Knowledge of message queues and event streaming (e.g., RabbitMQ, Kafka) * Experience with performance monitoring and logging tools
Additional Information
At Fusion, we unite entrepreneurial minds from around the globe to develop and implement game-changing solutions that build lasting relationships with our clients.
We value employees who challenge the status quo through innovation, adapt to diverse client needs in ever-changing environments, and commit to continuous learning—for themselves and their colleagues.
Why Fusion?
We provide a competitive salary and benefits package, along with an outstanding work environment that fosters long-term career development opportunities.
Our Benefits:
* Workflex: Enjoy 25 working days off annually, giving you the flexibility to work from your preferred global location. * Flexible Time Off: Take time off as needed to recharge and maintain a healthy work-life balance. Let’s shape the future together—how far will you take yourself with Fusion Consulting? * Annual Training Budget: You will receive 1,500 CHF to support your professional development. * Unity Scheme: Benefit from loyalty rewards starting after 3 years of service.
At Fusion Consulting, your growth has no limits. How far will you go?