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Full stack Senior Developer Spain Jobs

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Full Stack Developer Senior
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Join our Product Team as a Senior Full Stack Developer in Valencia or Madrid. Architect scalable microservices with Node.js, Next.js, and Kafka, while building modern frontends with React/Vue. Leverage AWS, DDD, and CI/CD best practices in a role offering performance bonuses, medical insurance, a...
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Spain , Valencia; Madrid
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35000.00 - 51750.00 EUR / Year
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Shakers
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Until further notice
Freelance Senior Full Stack Developer
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Join our Barcelona team as a Freelance Senior Full Stack Developer. Build a modern web platform using React, Next.js, and Node.js in an agile, cross-functional environment. This 3-month contract offers a competitive daily rate for an expert in scalable, full-stack JavaScript/TypeScript development.
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Spain , Barcelona
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Not provided
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Blu Selection
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Until further notice
Embark on a rewarding career path by exploring Full Stack Senior Developer jobs, a pivotal role at the heart of modern software engineering. A Full Stack Senior Developer is a highly experienced professional responsible for building and maintaining the complete technology stack of web applications, from the user-facing front end to the server-side back end and the database. These experts are the technical linchpins within development teams, blending deep coding expertise with strategic oversight and mentorship. Their work is critical in transforming complex business requirements into robust, scalable, and efficient digital solutions. Professionals in these roles typically shoulder a wide array of responsibilities that span the entire software development lifecycle. On a daily basis, they design system architecture, write high-quality code for both client-side and server-side logic, and develop and consume RESTful APIs and microservices. A key part of their role involves leading application development efforts, making crucial technical decisions, and mentoring mid-level and junior developers. They are tasked with ensuring code quality through rigorous testing, debugging, and the implementation of best practices. Furthermore, Senior Full Stack Developers often collaborate closely with business analysts, project managers, and other stakeholders to define project roadmaps, integrate new features, and ensure the final product aligns with business goals. They are also instrumental in driving the adoption of modern DevOps practices, including Continuous Integration and Continuous Deployment (CI/CD) pipelines, and managing deployments on cloud platforms. To succeed in Full Stack Senior Developer jobs, a candidate must possess a comprehensive and deep skill set. On the front end, proficiency in HTML, CSS, and JavaScript is fundamental, coupled with extensive experience in a modern framework like Angular or React. The back end requires expert-level knowledge of a server-side language such as Java or Python, often with a deep understanding of frameworks like Spring Boot. Database management skills, covering both relational (e.g., Oracle, PostgreSQL) and NoSQL (e.g., MongoDB) systems, are essential. Beyond pure coding, these roles demand expertise in containerization with Docker and Kubernetes, version control with Git, and a solid grasp of Agile methodologies. Crucially, as a senior position, soft skills are paramount. Employers look for excellent problem-solving abilities, clear and concise communication for both technical and non-technical audiences, proven leadership and project management capabilities, and a proactive, growth-oriented mindset. A typical requirement for these jobs is a substantial amount of industry experience, often 8-15 years, demonstrating a proven track record in application development and system design. If you are a seasoned technologist with a passion for end-to-end development and leadership, pursuing Full Stack Senior Developer jobs offers a challenging and impactful career building the digital platforms that power businesses today.

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