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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full-stack Developer - **Company:** PUBLICIS GROUPE - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Clean Code Principles, JavaScript (Programming Language), Amazon Web Services, Amazon Cloudfront, Amazon S3, HTML5, Cascading Style Sheets (CSS), Cloud Computing, Cloud Computing Security, Software Quality, Code Review, Continuous Integration, Software Debugging, Web Development, Identity and Access Management, Node.Js, TypeScript, Web Applications, Web Application Frameworks, Pulumi, ReactJS, Code Comments, Caching, AWS Lambda, Backend, Git, Cloudformation, Vue.js, AngularJS, Infrastructure Automation Frameworks, Information Technology, Front End Software Development, Api Gateway, Restful APIs, Terraform, Code Restructuring - **Published:** July 15, 2026 - **Apply:** https://es.indeed.com/viewjob?jk=69362acf2fc7bae6 ## About the Role * Bachelor's degree in Computer Science, Telecommunications Engineering, or a related technical field. * Additional certifications in web development or cloud technologies (AWS) are a plus., * 3-5 years of experience developing fullstack web applications. * Experience working in digital agencies or large-scale client projects is highly valued. * Strong frontend background with solid backend fundamentals., * Strong proficiency in HTML5, CSS3, JavaScript, and/or TypeScript. * Experience with modern frontend frameworks: + Preferred: Vue.js / Nuxt.js + Alternatively: React or Angular * Backend development experience using Node.js and RESTful architecture. * Version control using Git., * Hands-on experience with AWS services such as: + Amplify (or similar CI/CD tools) + S3 & CloudFront + AWS Lambda & API Gateway + RDS + Basic knowledge of IAM and cloud security * Experience with Infrastructure as Code tools (Pulumi, Terraform, or CloudFormation) is a strong plus. Development Best Practices * Experience with testing (unit and integration) and debugging across frontend and backend. * Strong focus on code quality, refactoring, and maintainability. * Proven experience optimizing applications for performance and scalability., * Spanish and English (able to read documentation, write code comments, and participate in technical discussions). Soft Skills * Excellent communication and teamwork skills. * Proactive and solution-oriented mindset. * Strong ability to understand business needs and translate them into technical solutions. * Comfortable working in agile environments and adapting to existing processes. * Collaborative attitude when working directly with clients as a strategic partner. ## Description We are looking for a Fullstack Web Developer with a strong frontend focus to join our team and collaborate closely with a major client as part of their digital ecosystem. You will work as an integrated partner, helping translate business needs into scalable and high-quality technical solutions. * Develop and maintain modern fullstack web applications, with a strong emphasis on frontend development. * Build responsive, high-performance user interfaces using modern JavaScript frameworks. * Design and implement RESTful APIs and backend services using Node.js. * Collaborate with cross-functional teams (design, product, backend) to deliver end-to-end solutions. * Ensure code quality through testing (unit and integration), debugging, and code reviews. * Optimize applications for performance and user experience (lazy loading, caching, minimization, etc.). * Work with AWS cloud services to deploy and maintain scalable applications. * Participate in CI/CD processes and infrastructure management. * Maintain clear and concise technical documentation. * Actively contribute to an agile development environment, adapting to established processes. ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Unleashing Potential Across Teams: The Power of Infrastructure as Code](https://www.wearedevelopers.com/videos/930-unleashing-potential-across-teams-the-power-of-infrastructure-as-code) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Terraform for Developers](https://www.wearedevelopers.com/videos/3-terraform-for-developers) - [Can SVG be fast? 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