**Description:** ---------------- **About Us** At Fuxiona Energía, we bet on technology as a key driver to lead the energy sector. We are a national company in full expansion, specialized in energy solutions for residential and business customers. Our goal is clear: to build a solid technical team that develops innovative products with real impact in the Spanish market. **What We're Looking For** We are seeking a Senior Fullstack Developer with proven software development experience and a global vision of projects. A problem-solver who can turn ideas into functional and scalable technological solutions, and who can take on technical and organizational responsibilities within a growing team. We're looking for someone who not only codes but also understands the product, participates in architectural decisions, and has the ability to lead development from start to finish. **Responsibilities** * Participate in the design and implementation of scalable web architectures. * Develop and maintain product-oriented backend and frontend applications. * Coordinate the complete development lifecycle: from conception to deployment. * Evaluate new tools and technologies that improve team efficiency. * Collaborate with other departments to align developments with business objectives. * Contribute to technical team organization, work processes, and standards definition. **What We Offer** * Permanent contract and growth plan within an expanding technical team. * Opportunity to participate in key product and technology decisions. * Hybrid work from our offices in Fuengirola with remote days. * Full-time schedule from Monday to Friday. * Competitive salary according to your profile and experience. * Dynamic, collaborative work environment with a long-term vision. **Who Fits This Role?** Someone with a broad perspective, initiative, responsibility, and a desire to build. A person who wants to grow with us, take on real challenges, and be part of a team aspiring to become a technological reference within the national energy sector. Are you interested in the challenge? We'd love to meet you. **Requirements:** --------------- **Technical Requirements** * 4 to 5 years of experience as a software developer in web or multi-platform environments. * Solid backend development knowledge using at least one of these languages: Node.js, Python, or PHP. * Frontend experience with frameworks such as React or Angular. * Proficiency in HTML, CSS/SASS, and JavaScript (ES6+). * Experience with relational databases (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). * Experience with version control tools like Git and workflows such as GitFlow. * Knowledge in designing and consuming RESTful APIs (experience with GraphQL will be valued). * Familiarity with Docker, local development environments using containers, and cloud deployments (preferably AWS or GCP). * Good practices in testing (unit, integration) and software quality control. * Basic experience or interest in CI/CD tools (GitHub Actions, GitLab CI, etc.). **Also Valued (not mandatory)** * Knowledge of tools such as Jira, Notion, Figma, Postman, Insomnia, among others. * Previous experience leading teams or coordinating technical projects. * Interest in agile development, Lean methodologies, or Scrum