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# Senior Fullstack Developer (Java & React)

- **Company:** Sngular
- **Location:** Álava, Spain
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), Artificial Intelligence, Amazon Web Services, Application Integration Architecture, Microsoft Azure, Continuous Integration, Integrated Development Environments, Systems Integration, Strategies of Testing, Google Cloud, ReactJS, Large Language Models, Spring-boot, Backend, Front End Software Development, React Redux, Api Design, Restful APIs, Microservices
- **Published:** September 25, 2026
- **Apply:** https://www.buscojobs.com.es/senior-fullstack-developer-java-react-en-alava-ID-373147400

## About the Role

A strong focus on collaboration, agility, and impact within a diverse team will shape the product and its user experience.Compensaciones / BeneficiosBudget for trainingWelcome packWellbeing pack2 days for technical eventsBirthday day offUdemy accessResponsabilidadesAI and agent integration: research and implement modern AI frameworks and connect LLMs with the systemAdvanced architecture and AI: develop microservices-based, hexagonal architectures with vector databasesSpec-driven API design: build and consume REST APIs with Spec-Driven Development and automatable contractsModern frontend ecosystem: manage complex client-side state with React-related tools and TypeScriptQuality, security, and clean code: apply SOLID, testing strategies, and secure AI integration patternsCloud deployment and infrastructure: deploy and optimize solutions across AWS, Azure, GCP or similarRequisitos principales3+ years of experience in Java (Spring Boot) and Reactfluent communication skills and agile
mindsetexperience with AI tools/frameworks and integrating AI into workflowsability to design and implement REST APIs and microservicesfamiliarity with CI/CD practicesexperience with frontend state management libraries (React Redux, Pinia, Zustand) and TypeScriptcommunicationagile mindsetteam collaborationJava (Spring Boot)ReactReact Redux

## Description

OverviewIn this role you will build robust, scalable software end-to-end, from backend services to rich frontend interfaces.You will work within an AI-driven, Spec-Driven Development environment and collaborate with a cross-functional team to accelerate delivery.You will explore and apply generative AI tools to optimize workflows and integrate AI contexts with microservices architectures.This position emphasizes high-quality code, secure and maintainable design, and cloud deployment across major platforms.A strong focus on collaboration, agility, and impact within a diverse team will shape the product and its user experience.Compensaciones / BeneficiosBudget for trainingWelcome packWellbeing pack2 days for technical eventsBirthday day offUdemy accessResponsabilidadesAI and agent integration: research and implement modern AI frameworks and connect LLMs with the systemAdvanced architecture and AI: develop microservices-based, hexagonal architectures with vector databasesSpec-driven API design: build and consume REST APIs with Spec-Driven Development and automatable contractsModern frontend ecosystem: manage complex client-side state with React-related tools and TypeScriptQuality, security, and clean code: apply SOLID, testing strategies, and secure AI integration patternsCloud deployment and infrastructure: deploy and optimize solutions across AWS, Azure, GCP or similarRequisitos principales3+ years of experience in Java (Spring Boot) and Reactfluent communication skills and agile mindsetexperience with AI tools/frameworks and integrating AI into workflowsability to design and implement REST APIs and microservicesfamiliarity with CI/CD practicesexperience with frontend state management libraries (React Redux, Pinia, Zustand) and TypeScriptcommunicationagile mindsetteam collaborationJava (Spring Boot)ReactReact Redux


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