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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Developer - **Company:** Amaris - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Application Programming Interfaces (APIs), Agile Methodology, Automation of Tests, Continuous Integration, Data Integrity, Distributed Systems, Fault Tolerance, Github, Node.Js, NoSQL, Open Source Technology, OpenShift, Software Engineering, SQL Databases, Systems Architecture, Scripting, Curam Application Development, Backend, Containerization, Git Flow, Kubernetes, Information Technology, Front End Software Development, Api Design, Docker, Microservices - **Published:** August 5, 2026 - **Apply:** https://www.buscojobs.com.es/full-stack-developer-en-madrid-ID-365538568 ## About the Role Minimum 5 years of experience in software engineering developing complex and distributed applications. Bachelor's degree in Computer Science, IT, or related field. Technical Skills Proficiency in backend development with Node.js + Fastify . Experience with SQL and NoSQL databases. Strong understanding of software/system architecture, scalability, fault tolerance, and error recovery. Knowledge of CI/CD , automated testing, Docker, and Kubernetes ( OpenShift is a plus ). Expertise in API development and microservices architecture. Strong knowledge of GitHub , workflow automation (GitHub Actions, GitOps, scripting), certifications are a plus. Commitment to best engineering practices: clean code, documentation, maintainability Behavioral Skills Excellent communication skills in English (French and Spanish are a plus). Ability to coordinate with multiple stakeholders in large international environments. Proactive and strategic mindset focused on innovation and continuous improvement. ## Description Ready to take your career to the next level?JoinAmaris Consultingand work on projects that impact thousands of users worldwide.Be part of an international team, thrive in an agile environment, and grow with a global group that values innovation and talent.As aBackend Developer (Node.js) , you will play a key role in designing and developing robust, scalable backend systems that drive global digital solutions.Your work will directly influence high?impact products used by top?tier international clientsWhat You'll DoBackend development: Design, build, and maintain scalable backend systems usingNode.js with Fastify .API development: Act as an expert in designing and implementing secure and efficient APIs.Database management: Work withSQL and NoSQLdatabases to ensure data integrity and performance.System architecture: Contribute to architecture decisions focusing on scalability, fault tolerance, and error recovery.Support microservices design and implementation.CI/CD & testing: Implement and maintain CI/CD pipelines and strong automated testing practices.Containerization & orchestration: UseDockerandKubernetes(OpenShift is a plus) for deployment and system operations.InnerSource/Open Source: Contribute to InnerSource/Open Source initiatives to drive innovation and collaboration.Learning mindset: Quickly learn and apply new technologies to optimize development workflows.Collaboration: Participate in Agile projects, collaborating across backend and frontend initiatives.QualificationsExperience & EducationMinimum5 years of experiencein software engineering developing complex and distributed applications.Bachelor's degree in Computer Science, IT, or related field.Technical SkillsProficiency in backend development withNode.js + Fastify .Experience withSQL and NoSQLdatabases.Strong understanding of software/system architecture, scalability, fault tolerance, and error recovery.Knowledge ofCI/CD , automated testing, Docker, and Kubernetes ( OpenShift is a plus ).Expertise in API development and microservices architecture.Strong knowledge ofGitHub , workflow automation (GitHub Actions, GitOps, scripting), certifications are a plus.Commitment to best engineering practices: clean code, documentation, maintainabilityBehavioral SkillsExcellent communication skills inEnglish(French and Spanish are a plus).Ability to coordinate with multiple stakeholders in large international environments.Proactive and strategic mindset focused on innovation and continuous improvement.Career Growth:70% of senior leaders began their careers in entry roles.Continuous Learning:Access to the Technology Academy, Udemy courses, webinars, and paid certifications.Flexibility:Remote options, flexible policies, and benefits (meal vouchers, transport, childcare, health insurance).Well?being:Support through our WeCare program during critical situations.Personal Development:Annual training budget to develop your skills.We believe in a transparent and candidate?friendly process:Initial Call with our recruitment team.First Interview: Review your experience and align project opportunities.Second Interview: Technical ? meet with an expertSecond Interview: Non-technical ? meet with a project managerClient Meeting: Get to know the project context and expectations.Final Conversation: Q&A + mutual fit confirmationAverage timeline: 1-2 weeksReady to Make an Impact?Apply now and join a team that drives innovation and global growth!At Amaris Consulting, we celebrate diversity and are committed to creating an inclusive environment.All qualified candidates are welcome, regardless of gender, sexual orientation, race, ethnicity, age, or any other characteristic.#J-*****-Ljbffr ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [Tomorrow's cloud data platforms - fully managed database-as-a-service (DBaaS)](https://www.wearedevelopers.com/videos/254-tomorrow-s-cloud-data-platforms-fully-managed-database-as-a-service-dbaas) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Mastering Remote Work: Tips for Developers](https://www.wearedevelopers.com/magazine/558-mastering-remote-work-tips-for-developers) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)