Senior Full Stack Developer

Why join this project?People first- diverse and inclusive culture in aninternational environment.Work onhigh-impact Data & Insights initiativesacrossbusiness performance,operations,finance, andcommercial domains.Help shape howdata supports strategic decision-makingacross alarge international organisation.Explore the evolution ofAI-driven analytics,productivity tools, anddata discoverability.?? Contribute toself-service analytics,data products, andscalable reporting practices.Work closely withbusinessandsenior stakeholders, turningcomplex dataintomeaningful insights.High team stabilityandcollaborative culture.€** per yeartraining budgetandcontinuous learning opportunities.Flexible compensation model.Private health insuranceandbenefits package.?Flexible working hoursandhybrid model.?Wellhub: fitness, wellness, and mental health support.? Football and paddle tennis teams sponsored byCapitole.Team buildings,global events, andstrong tech communities.Want to know more about us?Click here and discover all the details.Curious about our culture?Check out what people are saying about us on Glassdoor .We know that not every candidate will meet 100% of the requirements.If your profile doesn’t match perfectly but you believe you can add value, we’d still love to hear from you.Ready for the challenge?Apply now!Empowering People, Unlocking Innovation.Information Security NoticeThe employee will have access to confidential information related to Capitole and the assigned project.Compliance with internal security and information protection policies is mandatory.NDA signature required.Full Stack DeveloperAbout the roleWe are looking for aFull Stack Developerto join a global technology team and contribute to building scalable, secure and high-performing digital solutions that deliver real business value.In this role, you will design, develop and maintain modern web applications, collaborating with multiple engineering teams across shared codebases and digital platforms.You will work on solutions focused on performance, scalability, security, maintainability and cost optimisation in a collaborative international Agile environment.If you enjoy building end-to-end applications, solving complex technical challenges and working across the full software development lifecycle, this could be a great opportunity for you.What youll doDevelop and maintain scalable backend services.Build modern, responsive frontend applications.Design, develop and integrate REST APIs.Collaborate with multiple engineering teams working on shared codebases.Deploy and maintain applications on AWS.Contribute to CI/CD pipelines, automated testing and software quality best practices.Participate in architecture discussions and continuously improve application performance, scalability and maintainability.Work throughout the entire software development lifecycle in an Agile environment.Must Have5+ years of experience as aFull Stack Developer.Strong experience developing backend applications.Strong frontend experience.Experience building and consumingREST APIs.Experience withGitHub, CI/CD pipelines and automated testing (unit, integration and UI testing).Experience working in Agile development environments.FluentEnglish and Spanishare mandatory.? Nice to HaveExperience withNext.js.Experience with Docker and Kubernetes.Experience with microservices architecture.Knowledge of GraphQL.Experience integrating AI services or LLM APIs.Experience with monitoring and observability tools (Datadog, Grafana, CloudWatch, etc.).Experience working in large-scale international engineering organisations.? Nice to HaveExperience with SAP Commerce Cloud and Java applications.Experience integrating LLM models, Agentic AI or data pipelines into web applications.Experience with AI-assisted development tools such as Cursor or Claude.Hybrid model - 3 days on site per week in Barcelona

5+ years of experience as aFull Stack Developer. Strong experience developing backend applications. Strong frontend experience. Experience building and consumingREST APIs. Experience withGitHub, CI/CD pipelines and automated testing (unit, integration and UI testing). Experience working in Agile development environments. FluentEnglish and Spanishare mandatory. ? Nice to Have Experience withNext.js. Experience with Docker and Kubernetes. Experience with microservices architecture. Knowledge of GraphQL. Experience integrating AI services or LLM APIs. Experience with monitoring and observability tools (Datadog, Grafana, CloudWatch, etc.). Experience working in large-scale international engineering organisations. ? Nice to Have Experience with SAP Commerce Cloud and Java applications. Experience integrating LLM models, Agentic AI or data pipelines into web applications. Experience with AI-assisted development tools such as Cursor or Claude. Hybrid model - 3 days on site per week in Barcelona